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-rw-r--r--policy-management/src/main/java/org/onap/policy/drools/persistence/FileSystemPersistence.java300
-rw-r--r--policy-management/src/main/java/org/onap/policy/drools/persistence/SystemPersistence.java323
-rw-r--r--policy-management/src/main/java/org/onap/policy/drools/server/restful/RestManager.java4298
-rw-r--r--policy-management/src/main/java/org/onap/policy/drools/system/Main.java227
-rw-r--r--policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngine.java2725
5 files changed, 3866 insertions, 4007 deletions
diff --git a/policy-management/src/main/java/org/onap/policy/drools/persistence/FileSystemPersistence.java b/policy-management/src/main/java/org/onap/policy/drools/persistence/FileSystemPersistence.java
new file mode 100644
index 00000000..5ac17253
--- /dev/null
+++ b/policy-management/src/main/java/org/onap/policy/drools/persistence/FileSystemPersistence.java
@@ -0,0 +1,300 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * policy-management
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.policy.drools.persistence;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.StandardCopyOption;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Properties;
+
+import org.onap.policy.drools.properties.PolicyProperties;
+import org.onap.policy.drools.utils.PropertyUtil;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Properties based Persistence
+ */
+public class FileSystemPersistence implements SystemPersistence {
+ /**
+ * policy controllers suffix
+ */
+ public final static String CONTROLLER_SUFFIX_IDENTIFIER = "-controller";
+
+ /**
+ * policy controller properties file suffix
+ */
+ public final static String PROPERTIES_FILE_CONTROLLER_SUFFIX =
+ CONTROLLER_SUFFIX_IDENTIFIER + ".properties";
+
+ /**
+ * policy controller properties file suffix
+ */
+ public final static String PROPERTIES_FILE_CONTROLLER_BACKUP_SUFFIX =
+ CONTROLLER_SUFFIX_IDENTIFIER + ".properties.bak";
+
+ /**
+ * policy engine properties file name
+ */
+ public final static String PROPERTIES_FILE_ENGINE = "policy-engine.properties";
+
+ /**
+ * Installation environment suffix for files
+ */
+ public final static String ENV_SUFFIX = ".environment";
+
+ /**
+ * configuration directory
+ */
+ protected Path configurationDirectory = Paths.get(DEFAULT_CONFIGURATION_DIR);
+
+ /**
+ * logger
+ */
+ private static final Logger logger = LoggerFactory.getLogger(FileSystemPersistence.class);
+
+
+ @Override
+ public void setConfigurationDir(String configDir) {
+ if (configDir == null) {
+ configDir = DEFAULT_CONFIGURATION_DIR;
+ this.configurationDirectory = Paths.get(DEFAULT_CONFIGURATION_DIR);
+ }
+
+ if (!configDir.equals(DEFAULT_CONFIGURATION_DIR))
+ this.configurationDirectory = Paths.get(configDir);
+
+ if (Files.notExists(this.configurationDirectory)) {
+ try {
+ Files.createDirectories(this.configurationDirectory);
+ } catch (final IOException e) {
+ throw new IllegalStateException("cannot create " + this.configurationDirectory, e);
+ }
+ }
+
+ if (!Files.isDirectory(this.configurationDirectory))
+ throw new IllegalStateException(
+ "config directory: " + this.configurationDirectory + " is not a directory");
+ }
+
+ @Override
+ public Path getConfigurationPath() {
+ return this.configurationDirectory;
+ }
+
+ @Override
+ public Properties getEngineProperties() {
+ final Path policyEnginePath =
+ Paths.get(this.configurationDirectory.toString(), PROPERTIES_FILE_ENGINE);
+ try {
+ if (Files.exists(policyEnginePath))
+ return PropertyUtil.getProperties(policyEnginePath.toFile());
+ } catch (final Exception e) {
+ logger.warn("{}: could not find {}", this, policyEnginePath, e);
+ }
+
+ return null;
+ }
+
+ @Override
+ public boolean backupController(String controllerName) {
+ final Path controllerPropertiesPath = Paths.get(this.configurationDirectory.toString(),
+ controllerName + PROPERTIES_FILE_CONTROLLER_SUFFIX);
+
+ if (Files.exists(controllerPropertiesPath)) {
+ try {
+ logger.info("{}: there is an existing configuration file @ {} ", this,
+ controllerPropertiesPath);
+ final Path controllerPropertiesBakPath = Paths.get(this.configurationDirectory.toString(),
+ controllerName + PROPERTIES_FILE_CONTROLLER_BACKUP_SUFFIX);
+ Files.copy(controllerPropertiesPath, controllerPropertiesBakPath,
+ StandardCopyOption.REPLACE_EXISTING);
+ } catch (final Exception e) {
+ logger.warn("{}: {} cannot be backed up", this, controllerName, e);
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ @Override
+ public boolean storeController(String controllerName, Object configuration) {
+ if (!(configuration instanceof Properties))
+ throw new IllegalArgumentException(
+ "configuration must be of type properties to be handled by this manager");
+
+ final Properties properties = (Properties) configuration;
+
+ final Path controllerPropertiesPath = Paths.get(this.configurationDirectory.toString(),
+ controllerName + PROPERTIES_FILE_CONTROLLER_SUFFIX);
+ if (Files.exists(controllerPropertiesPath)) {
+ try {
+ final Properties oldProperties =
+ PropertyUtil.getProperties(controllerPropertiesPath.toFile());
+ if (oldProperties.equals(properties)) {
+ logger.info(
+ "{}: noop: a properties file with the same contents exists for controller {}.", this,
+ controllerName);
+ return true;
+ } else {
+ this.backupController(controllerName);
+ }
+ } catch (final Exception e) {
+ logger.info("{}: no existing {} properties", this, controllerName);
+ // continue
+ }
+ }
+
+ final File controllerPropertiesFile = controllerPropertiesPath.toFile();
+ try (FileWriter writer = new FileWriter(controllerPropertiesFile)) {
+ properties.store(writer, "Machine created Policy Controller Configuration");
+ } catch (final Exception e) {
+ logger.warn("{}: {} cannot be saved", this, controllerName, e);
+ return false;
+ }
+
+ return true;
+ }
+
+ @Override
+ public boolean deleteController(String controllerName) {
+ final Path controllerPropertiesPath = Paths.get(this.configurationDirectory.toString(),
+ controllerName + PROPERTIES_FILE_CONTROLLER_SUFFIX);
+
+ if (Files.exists(controllerPropertiesPath)) {
+ try {
+ final Path controllerPropertiesBakPath = Paths.get(this.configurationDirectory.toString(),
+ controllerName + PROPERTIES_FILE_CONTROLLER_BACKUP_SUFFIX);
+ Files.move(controllerPropertiesPath, controllerPropertiesBakPath,
+ StandardCopyOption.REPLACE_EXISTING);
+ } catch (final Exception e) {
+ logger.warn("{}: {} cannot be deleted", this, controllerName, e);
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ @Override
+ public Properties getControllerProperties(String controllerName) {
+ return this.getProperties(controllerName + CONTROLLER_SUFFIX_IDENTIFIER);
+ }
+
+ @Override
+ public List<Properties> getControllerProperties() {
+ final List<Properties> controllers = new ArrayList<>();
+ final File[] controllerFiles = this.configurationDirectory.toFile().listFiles();
+ for (final File controllerFile : controllerFiles) {
+ if (controllerFile.getName().endsWith(PROPERTIES_FILE_CONTROLLER_SUFFIX)) {
+ final int idxSuffix = controllerFile.getName().indexOf(PROPERTIES_FILE_CONTROLLER_SUFFIX);
+ final int lastIdxSuffix =
+ controllerFile.getName().lastIndexOf(PROPERTIES_FILE_CONTROLLER_SUFFIX);
+ if (idxSuffix != lastIdxSuffix)
+ throw new IllegalArgumentException(
+ "Improper naming of controller properties file: " + "Expected <controller-name>"
+ + FileSystemPersistence.PROPERTIES_FILE_CONTROLLER_SUFFIX);
+
+ final String name = controllerFile.getName().substring(0, lastIdxSuffix);
+ try {
+ final Properties controllerProperties = this.getControllerProperties(name);
+ final String controllerName =
+ controllerProperties.getProperty(PolicyProperties.PROPERTY_CONTROLLER_NAME);
+ if (controllerName == null) {
+ controllerProperties.setProperty(PolicyProperties.PROPERTY_CONTROLLER_NAME, name);
+ } else if (!controllerName.equals(name)) {
+ logger.error("{}: mismatch controller named {} with file name {}", this, controllerName,
+ controllerFile.getName());
+ continue;
+ }
+ controllers.add(this.getControllerProperties(name));
+ } catch (final Exception e) {
+ logger.error("{}: cannot obtain properties for controller {} because of {}", name,
+ e.getMessage(), e);
+ }
+ }
+ }
+ return controllers;
+ }
+
+ @Override
+ public Properties getProperties(String name) {
+ final Path propertiesPath =
+ Paths.get(this.configurationDirectory.toString(), name + ".properties");
+
+ if (!Files.exists(propertiesPath)) {
+ throw new IllegalArgumentException("properties for " + name + " are not persisted.");
+ }
+
+ try {
+ return PropertyUtil.getProperties(propertiesPath.toFile());
+ } catch (final Exception e) {
+ logger.warn("{}: can't read properties @ {}", name, propertiesPath);
+ throw new IllegalArgumentException(
+ "can't read properties for " + name + " @ " + propertiesPath, e);
+ }
+ }
+
+ @Override
+ public List<Properties> getEnvironmentProperties() {
+ final List<Properties> envs = new ArrayList<>();
+ final File[] envFiles = this.configurationDirectory.toFile().listFiles();
+ for (final File envFile : envFiles) {
+ if (envFile.getName().endsWith(ENV_SUFFIX)) {
+ final String name = envFile.getName().substring(0, envFile.getName().indexOf(ENV_SUFFIX));
+ try {
+ envs.add(this.getEnvironmentProperties(name));
+ } catch (final Exception e) {
+ logger.error("{}: cannot get environment {} because of {}", name, e.getMessage(), e);
+ }
+ }
+ }
+ return envs;
+ }
+
+ @Override
+ public Properties getEnvironmentProperties(String name) {
+ final Path envPath = Paths.get(this.configurationDirectory.toString(), name + ENV_SUFFIX);
+ if (!Files.exists(envPath)) {
+ throw new IllegalArgumentException("{} environment" + name + " cannot be retrieved");
+ }
+
+ try {
+ return PropertyUtil.getProperties(envPath.toFile());
+ } catch (final Exception e) {
+ throw new IllegalArgumentException("cannot read environment " + name, e);
+ }
+ }
+
+ @Override
+ public String toString() {
+ final StringBuilder builder = new StringBuilder();
+ builder.append("FileSystemPersistence [configurationDirectory=")
+ .append(this.configurationDirectory).append("]");
+ return builder.toString();
+ }
+}
diff --git a/policy-management/src/main/java/org/onap/policy/drools/persistence/SystemPersistence.java b/policy-management/src/main/java/org/onap/policy/drools/persistence/SystemPersistence.java
index 2390fc89..eb1521ba 100644
--- a/policy-management/src/main/java/org/onap/policy/drools/persistence/SystemPersistence.java
+++ b/policy-management/src/main/java/org/onap/policy/drools/persistence/SystemPersistence.java
@@ -7,9 +7,9 @@
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
- *
+ *
* http://www.apache.org/licenses/LICENSE-2.0
- *
+ *
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -20,230 +20,113 @@
package org.onap.policy.drools.persistence;
-import java.io.File;
-import java.io.FileWriter;
-import java.nio.file.Files;
import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.nio.file.StandardCopyOption;
+import java.util.List;
import java.util.Properties;
-import org.onap.policy.drools.utils.PropertyUtil;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
+/**
+ * System Configuration
+ */
public interface SystemPersistence {
-
- /**
- * configuration directory
- */
- public static String CONFIG_DIR_NAME = "config";
-
- /**
- * policy controllers suffix
- */
- public final static String CONTROLLER_SUFFIX_IDENTIFIER = "-controller";
-
- /**
- * policy controller properties file suffix
- */
- public final static String PROPERTIES_FILE_CONTROLLER_SUFFIX =
- CONTROLLER_SUFFIX_IDENTIFIER + ".properties";
-
- /**
- * policy engine properties file name
- */
- public final static String PROPERTIES_FILE_ENGINE = "policy-engine.properties";
-
-
- /**
- * backs up a controller configuration.
- *
- * @param controllerName the controller name
- * @return true if the configuration is backed up
- */
- public boolean backupController(String controllerName);
-
- /**
- * persists controller configuration
- *
- * @param controllerName the controller name
- * @param configuration object containing the configuration
- *
- * @return true if storage is succesful, false otherwise
- * @throws IllegalArgumentException if the configuration cannot be handled by the persistence manager
- */
- public boolean storeController(String controllerName, Object configuration);
-
- /**
- * delete controller configuration
- *
- * @param controllerName the controller name
- * @return true if storage is succesful, false otherwise
- */
- public boolean deleteController(String controllerName);
-
- /**
- * get controller properties
- *
- * @param controllerName controller name
- * @return properties for this controller
- *
- * @throws IllegalArgumentException if the controller name does not lead to a properties configuration
- */
- public Properties getControllerProperties(String controllerName);
-
- /**
- * get properties by name
- *
- * @param name
- * @return properties
- *
- * @throws IllegalArgumentException if the name does not lead to a properties configuration
- */
- public Properties getProperties(String name);
-
- /**
- * Persistence Manager. For now it is a file-based properties management,
- * In the future, it will probably be DB based, so manager implementation
- * will change.
- */
- public static final SystemPersistence manager = new SystemPropertiesPersistence();
-}
+ /**
+ * configuration directory
+ */
+ public static final String DEFAULT_CONFIGURATION_DIR = "config";
-/**
- * Properties based Persistence
- */
-class SystemPropertiesPersistence implements SystemPersistence {
-
- /**
- * logger
- */
- private static Logger logger = LoggerFactory.getLogger(SystemPropertiesPersistence.class);
-
- /**
- * backs up the properties-based controller configuration
- * @param controllerName the controller name
- * @return true if the configuration is backed up in disk or back up does not apply, false otherwise.
- */
- @Override
- public boolean backupController(String controllerName) {
- Path controllerPropertiesPath =
- Paths.get(CONFIG_DIR_NAME, controllerName + PROPERTIES_FILE_CONTROLLER_SUFFIX);
-
- if (Files.exists(controllerPropertiesPath)) {
- try {
- logger.warn("There is an existing configuration file at " +
- controllerPropertiesPath.toString() +
- " with contents: " + Files.readAllBytes(controllerPropertiesPath));
- Path controllerPropertiesBakPath =
- Paths.get(CONFIG_DIR_NAME, controllerName +
- PROPERTIES_FILE_CONTROLLER_SUFFIX + ".bak");
- Files.copy(controllerPropertiesPath,
- controllerPropertiesBakPath, StandardCopyOption.REPLACE_EXISTING);
- } catch (Exception e) {
- logger.warn("{}: cannot be backed up", controllerName, e);
- return false;
- }
- }
-
- return true;
- }
-
- /**
- * persists properties-based controller configuration and makes a backup if necessary
- * @param controllerName the controller name
- * @return true if the properties has been stored in disk, false otherwise
- */
- @Override
- public boolean storeController(String controllerName, Object configuration) {
- if (!(configuration instanceof Properties)) {
- throw new IllegalArgumentException("configuration must be of type properties to be handled by this manager");
- }
-
- Properties properties = (Properties) configuration;
-
- Path controllerPropertiesPath =
- Paths.get(CONFIG_DIR_NAME, controllerName + PROPERTIES_FILE_CONTROLLER_SUFFIX);
- if (Files.exists(controllerPropertiesPath)) {
- try {
- Properties oldProperties = PropertyUtil.getProperties(controllerPropertiesPath.toFile());
- if (oldProperties.equals(properties)) {
- logger.info("A properties file with the same contents already exists for controller " +
- controllerName +
- ". No action is taken");
- return true;
- } else {
- this.backupController(controllerName);
- }
- } catch (Exception e) {
- logger.info("{}: no existing Properties", controllerName);
- // continue
- }
- }
-
- File controllerPropertiesFile = controllerPropertiesPath.toFile();
- try (FileWriter writer = new FileWriter(controllerPropertiesFile)) {
- properties.store(writer, "Machine created Policy Controller Configuration");
- } catch (Exception e) {
- logger.warn("{}: cannot be STORED", controllerName, e);
- return false;
- }
-
- return true;
- }
-
- /**
- * deletes properties-based controller configuration
- * @param controllerName the controller name
- *
- * @return true if the properties has been deleted from disk, false otherwise
- */
- @Override
- public boolean deleteController(String controllerName) {
-
- Path controllerPropertiesPath =
- Paths.get(CONFIG_DIR_NAME,
- controllerName + PROPERTIES_FILE_CONTROLLER_SUFFIX);
+ /**
+ * sets a configuration directory and ensures it exists
+ *
+ * @param configDir configuration directory or null to use the default one
+ */
+ public void setConfigurationDir(String configDir);
+
+ /**
+ * get configuration directory path
+ *
+ * @return configuration directory path
+ */
+ public Path getConfigurationPath();
+
+ /**
+ * backs up a controller configuration.
+ *
+ * @param controllerName the controller name
+ * @return true if the configuration is backed up
+ */
+ public boolean backupController(String controllerName);
+
+ /**
+ * persists controller configuration
+ *
+ * @param controllerName the controller name
+ * @param configuration object containing the configuration
+ *
+ * @return true if storage is succesful, false otherwise
+ * @throws IllegalArgumentException if the configuration cannot be handled by the persistence
+ * manager
+ */
+ public boolean storeController(String controllerName, Object configuration);
+
+ /**
+ * delete controller configuration
+ *
+ * @param controllerName the controller name
+ * @return true if storage is succesful, false otherwise
+ */
+ public boolean deleteController(String controllerName);
+
+ /**
+ * get controller properties
+ *
+ * @param controllerName controller name
+ * @return properties for this controller
+ *
+ * @throws IllegalArgumentException if the controller name does not lead to a properties
+ * configuration
+ */
+ public Properties getControllerProperties(String controllerName);
+
+ /**
+ * get controllers configuration
+ *
+ * @return list of controllers properties
+ */
+ public List<Properties> getControllerProperties();
+
+ /**
+ * get environments
+ *
+ * @param environment name
+ */
+ public List<Properties> getEnvironmentProperties();
+
+ /**
+ * get environment properties
+ *
+ * @param environment name
+ */
+ public Properties getEnvironmentProperties(String environmentName);
- if (Files.exists(controllerPropertiesPath)) {
- try {
- Path controllerPropertiesBakPath =
- Paths.get(CONFIG_DIR_NAME, controllerName +
- PROPERTIES_FILE_CONTROLLER_SUFFIX + ".bak");
- Files.move(controllerPropertiesPath,
- controllerPropertiesBakPath,
- StandardCopyOption.REPLACE_EXISTING);
- } catch (Exception e) {
- logger.warn("{}: cannot be DELETED", controllerName, e);
- return false;
- }
- }
-
- return true;
- }
+ /**
+ * get the engine properties
+ *
+ * @return the engine properties
+ */
+ public Properties getEngineProperties();
- @Override
- public Properties getControllerProperties(String controllerName) {
- return this.getProperties(controllerName + CONTROLLER_SUFFIX_IDENTIFIER);
- }
-
- @Override
- public Properties getProperties(String name) {
- Path propertiesPath =
- Paths.get(CONFIG_DIR_NAME, name + ".properties");
-
- if (!Files.exists(propertiesPath)) {
- throw new IllegalArgumentException("properties for " + name + " are not persisted.");
- }
+ /**
+ * get properties by name
+ *
+ * @param name
+ * @return properties
+ *
+ * @throws IllegalArgumentException if the name does not lead to a properties configuration
+ */
+ public Properties getProperties(String name);
- try {
- return PropertyUtil.getProperties(propertiesPath.toFile());
- } catch (Exception e) {
- logger.warn("{}: can't read properties @ {}", name, propertiesPath);
- throw new IllegalArgumentException("can't read properties for " +
- name + " @ " +
- propertiesPath, e);
- }
- }
+ /**
+ * Persistence Manager. For now it is a file-based properties management, In the future, it will
+ * probably be DB based, so manager implementation will change.
+ */
+ public static final SystemPersistence manager = new FileSystemPersistence();
}
diff --git a/policy-management/src/main/java/org/onap/policy/drools/server/restful/RestManager.java b/policy-management/src/main/java/org/onap/policy/drools/server/restful/RestManager.java
index 379ca6a2..ffcb35cd 100644
--- a/policy-management/src/main/java/org/onap/policy/drools/server/restful/RestManager.java
+++ b/policy-management/src/main/java/org/onap/policy/drools/server/restful/RestManager.java
@@ -7,9 +7,9 @@
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
- *
+ *
* http://www.apache.org/licenses/LICENSE-2.0
- *
+ *
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -63,6 +63,7 @@ import org.onap.policy.drools.protocol.configuration.ControllerConfiguration;
import org.onap.policy.drools.protocol.configuration.PdpdConfiguration;
import org.onap.policy.drools.system.PolicyController;
import org.onap.policy.drools.system.PolicyEngine;
+import org.onap.policy.drools.utils.LoggerUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -86,2351 +87,2004 @@ import io.swagger.annotations.Tag;
@Consumes(MediaType.APPLICATION_JSON)
@Api
@SwaggerDefinition(
- info = @Info(
- description = "PDP-D Telemetry Services",
- version = "v1.0",
- title = "PDP-D Telemetry"
- ),
+ info = @Info(description = "PDP-D Telemetry Services", version = "v1.0",
+ title = "PDP-D Telemetry"),
consumes = {MediaType.APPLICATION_JSON, MediaType.TEXT_PLAIN},
- produces = {MediaType.APPLICATION_JSON},
- schemes = {SwaggerDefinition.Scheme.HTTP},
- tags = {
- @Tag(name = "pdp-d-telemetry", description = "Drools PDP Telemetry Operations")
- }
-)
+ produces = {MediaType.APPLICATION_JSON}, schemes = {SwaggerDefinition.Scheme.HTTP},
+ tags = {@Tag(name = "pdp-d-telemetry", description = "Drools PDP Telemetry Operations")})
public class RestManager {
- /**
- * Logger
- */
- private static Logger logger = LoggerFactory.getLogger(RestManager.class);
-
- @GET
- @Path("engine")
- @ApiOperation(
- value="Retrieves the Engine Operational Status",
- notes="Top-level abstraction. Provides a global view of resources",
- response=PolicyEngine.class
- )
- public Response engine() {
- return Response.status(Response.Status.OK).entity(PolicyEngine.manager).build();
- }
-
- @DELETE
- @Path("engine")
- @ApiOperation(
- value="Shuts down the Engine",
- notes="Deleting the engine, the top-level abstraction, equivalenty shuts it down",
- response=PolicyEngine.class
- )
- public Response engineShutdown() {
- try {
- PolicyEngine.manager.shutdown();
- } catch (IllegalStateException e) {
- logger.error("{}: cannot shutdown {} because of {}", this, PolicyEngine.manager, e.getMessage(), e);
- return Response.status(Response.Status.BAD_REQUEST).
- entity(PolicyEngine.manager).
- build();
- }
-
- return Response.status(Response.Status.OK).
- entity(PolicyEngine.manager).
- build();
- }
-
- @GET
- @Path("engine/features")
- @ApiOperation(
- value="Engine Features",
- notes="Provides the list of loaded features using the PolicyEngineFeatureAPI",
- responseContainer="List"
- )
- public Response engineFeatures() {
- return Response.status(Response.Status.OK).entity(PolicyEngine.manager.getFeatures()).build();
- }
-
- @GET
- @Path("engine/features/inventory")
- @ApiOperation(
- value="Engine Detailed Feature Inventory",
- notes="Provides detailed list of loaded features using the PolicyEngineFeatureAPI",
- responseContainer="List",
- response=PolicyEngineFeatureAPI.class
- )
- public Response engineFeaturesInventory() {
- return Response.status(Response.Status.OK).entity(PolicyEngine.manager.getFeatureProviders()).build();
- }
-
- @GET
- @Path("engine/features/{featureName}")
- @ApiOperation(
- value="Engine Feature",
- notes="Provides Details for a given feature Engine Provider",
- response=PolicyEngineFeatureAPI.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=404, message = "The feature cannot be found")
- })
- public Response engineFeature(@ApiParam(value="Feature Name", required=true)
- @PathParam("featureName") String featureName) {
- try {
- return Response.status(Response.Status.OK).
- entity(PolicyEngine.manager.getFeatureProvider(featureName)).build();
- } catch(IllegalArgumentException iae) {
- logger.debug("feature unavailable: {}", featureName, iae);
- return Response.status(Response.Status.NOT_FOUND).
- entity(new Error(iae.getMessage())).build();
- }
- }
-
- @GET
- @Path("engine/inputs")
- @ApiOperation(
- value="Engine Input Ports",
- notes="List of input ports",
- responseContainer="List"
- )
- public Response engineInputs() {
- return Response.status(Response.Status.OK).
- entity(Arrays.asList(Inputs.values())).
- build();
- }
-
- @POST
- @Path("engine/inputs/configuration")
- @ApiOperation(
- value="Engine Input Configuration Requests",
- notes="Feeds a configuration request input into the Engine"
- )
- @ApiResponses(value={
- @ApiResponse(code=406, message = "The configuration request cannot be honored")
- })
- public Response engineUpdate(
- @ApiParam(value="Configuration to apply", required=true) PdpdConfiguration configuration) {
- PolicyController controller = null;
- boolean success = true;
- try {
- success = PolicyEngine.manager.configure(configuration);
- } catch (Exception e) {
- success = false;
- logger.info("{}: cannot configure {} because of {}", this, PolicyEngine.manager, e.getMessage(), e);
- }
-
- if (!success)
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error("cannot perform operation")).build();
- else
- return Response.status(Response.Status.OK).entity(controller).build();
- }
-
- @GET
- @Path("engine/properties")
- @ApiOperation(
- value="Engine Configuration Properties",
- notes="Used for booststrapping the engine",
- response=Properties.class
- )
- public Response engineProperties() {
- return Response.status(Response.Status.OK).entity(PolicyEngine.manager.getProperties()).build();
- }
-
- @GET
- @Path("engine/switches")
- @ApiOperation(
- value="Engine Control Switches",
- notes="List of the Engine Control Switches",
- responseContainer="List"
- )
- public Response engineSwitches() {
- return Response.status(Response.Status.OK).
- entity(Arrays.asList(Switches.values())).
- build();
- }
-
- @PUT
- @Path("engine/switches/activation")
- @ApiOperation(
- value="Switches on the Engine Activation Switch",
- notes="Turns on Activation Switch on the Engine. This order entails that the engine " +
- "and controllers are unlocked and started",
- response=PolicyEngine.class
- )
- public Response engineActivation() {
- boolean success = true;
- try {
- PolicyEngine.manager.activate();
- } catch (Exception e) {
- success = false;
- logger.info("{}: cannot activate {} because of {}", this, PolicyEngine.manager, e.getMessage(), e);
- }
-
- if (!success)
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error("cannot perform operation")).build();
- else
- return Response.status(Response.Status.OK).entity(PolicyEngine.manager).build();
- }
-
- @DELETE
- @Path("engine/switches/activation")
- @ApiOperation(
- value="Switches off Engine Activation Switch",
- notes="Turns off the Activation Switch on the Engine. This order entails that the engine " +
- "and controllers are locked (with the exception of those resources defined as unmanaged)",
- response=PolicyEngine.class
- )
- public Response engineDeactivation() {
- boolean success = true;
- try {
- PolicyEngine.manager.deactivate();
- } catch (Exception e) {
- success = false;
- logger.info("{}: cannot deactivate {} because of {}", this, PolicyEngine.manager, e.getMessage(), e);
- }
-
- if (!success)
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error("cannot perform operation")).build();
- else
- return Response.status(Response.Status.OK).entity(PolicyEngine.manager).build();
- }
-
- @PUT
- @Path("engine/switches/lock")
- @ApiOperation(
- value="Switches on the Engine Lock Control",
- notes="This switch locks all the engine resources as a whole, except those that are defined unmanaged",
- response=PolicyEngine.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response engineLock() {
- boolean success = PolicyEngine.manager.lock();
- if (success)
- return Response.status(Status.OK).
- entity(PolicyEngine.manager).
- build();
- else
- return Response.status(Status.NOT_ACCEPTABLE).
- entity(new Error("cannot perform operation")).
- build();
- }
-
- @DELETE
- @Path("engine/switches/lock")
- @ApiOperation(
- value="Switches off the Lock control",
- notes="This switch locks all the engine resources as a whole, except those that are defined unmanaged",
- response=PolicyEngine.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response engineUnlock() {
- boolean success = PolicyEngine.manager.unlock();
- if (success)
- return Response.status(Status.OK).
- entity(PolicyEngine.manager).
- build();
- else
- return Response.status(Status.NOT_ACCEPTABLE).
- entity(new Error("cannot perform operation")).
- build();
- }
-
- @GET
- @Path("engine/controllers")
- @ApiOperation(
- value="Lists the Policy Controllers Names",
- notes="Unique Policy Controller Identifiers",
- responseContainer="List"
- )
- public Response controllers() {
- return Response.status(Response.Status.OK).entity(PolicyEngine.manager.getPolicyControllerIds()).build();
- }
-
- @GET
- @Path("engine/controllers/inventory")
- @ApiOperation(
- value="Lists the Policy Controllers",
- notes="Detailed list of Policy Controllers",
- responseContainer="List",
- response=PolicyController.class
- )
- public Response controllerInventory() {
- return Response.status(Response.Status.OK).entity(PolicyEngine.manager.getPolicyControllers()).build();
- }
-
- @POST
- @Path("engine/controllers")
- @ApiOperation(
- value="Creates and starts a new Policy Controller",
- notes="Controller creation based on properties",
- response=PolicyController.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=400, message = "Invalid configuration information has been provided"),
- @ApiResponse(code=304, message = "The controller already exists"),
- @ApiResponse(code=406, message = "The administrative state of the system prevents it " +
- "from processing this request"),
- @ApiResponse(code=206, message = "The controller has been created " +
- "but cannot be started"),
- @ApiResponse(code=201, message = "The controller has been succesfully created and started")
- })
- public Response controllerAdd(@ApiParam(value="Configuration Properties to apply", required = true)
- Properties config) {
- if (config == null)
- return Response.status(Response.Status.BAD_REQUEST).
- entity(new Error("A configuration must be provided")).
- build();
-
- String controllerName = config.getProperty(PolicyProperties.PROPERTY_CONTROLLER_NAME);
- if (controllerName == null || controllerName.isEmpty())
- return Response.status(Response.Status.BAD_REQUEST).
- entity(new Error
- ("Configuration must have an entry for " +
- PolicyProperties.PROPERTY_CONTROLLER_NAME)).
- build();
-
- PolicyController controller;
- try {
- controller = PolicyController.factory.get(controllerName);
- if (controller != null)
- return Response.status(Response.Status.NOT_MODIFIED).
- entity(controller).
- build();
- } catch (IllegalArgumentException e) {
- // This is OK
- } catch (IllegalStateException e) {
- logger.info("{}: cannot get policy-controller because of {}", this, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(controllerName + " not found")).build();
- }
-
- try {
- controller = PolicyEngine.manager.createPolicyController
- (config.getProperty(PolicyProperties.PROPERTY_CONTROLLER_NAME), config);
- } catch (IllegalArgumentException | IllegalStateException e) {
- logger.warn("{}: cannot create policy-controller because of {}", this, e.getMessage(), e);
- return Response.status(Response.Status.BAD_REQUEST).
- entity(new Error(e.getMessage())).
- build();
- }
-
- try {
- boolean success = controller.start();
- if (!success) {
- logger.info("{}: cannot start {}", this, controller);
- return Response.status(Response.Status.PARTIAL_CONTENT).
- entity(new Error(controllerName + " can't be started")).build();
- }
- } catch (IllegalStateException e) {
- logger.info("{}: cannot start {} because of {}", this, controller, e.getMessage(), e);;
- return Response.status(Response.Status.PARTIAL_CONTENT).
- entity(controller).build();
- }
-
- return Response.status(Response.Status.CREATED).
- entity(controller).
- build();
- }
-
- @GET
- @Path("engine/controllers/features")
- @ApiOperation(
- value="Lists of Feature Providers Identifiers",
- notes="Unique Policy Controller Identifiers",
- responseContainer="List"
- )
- public Response controllerFeatures() {
- return Response.status(Response.Status.OK).entity(PolicyEngine.manager.getFeatures()).build();
- }
-
- @GET
- @Path("engine/controllers/features/inventory")
- @ApiOperation(
- value="Detailed Controllers Feature Inventory",
- notes="Provides detailed list of loaded features using the PolicyControllerFeatureAPI",
- responseContainer="List",
- response=PolicyControllerFeatureAPI.class
- )
- public Response controllerFeaturesInventory() {
- return Response.status(Response.Status.OK).
- entity(PolicyController.factory.getFeatureProviders()).
- build();
- }
-
- @GET
- @Path("engine/controllers/features/{featureName}")
- @ApiOperation(
- value="Controller Feature",
- notes="Provides Details for a given Policy Controller feature provider",
- response=PolicyControllerFeatureAPI.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=404, message = "The feature cannot be found")
- })
- public Response controllerFeature(@ApiParam(value="Feature Name", required=true)
- @PathParam("featureName") String featureName) {
- try {
- return Response.status(Response.Status.OK).
- entity(PolicyController.factory.getFeatureProvider(featureName)).
- build();
- } catch(IllegalArgumentException iae) {
- logger.debug("{}: cannot feature {} because of {}", this, featureName, iae.getMessage(), iae);
- return Response.status(Response.Status.NOT_FOUND).
- entity(new Error(iae.getMessage())).build();
- }
- }
+ /**
+ * Logger
+ */
+ private static Logger logger = LoggerFactory.getLogger(RestManager.class);
- @GET
- @Path("engine/controllers/{controller}")
- @ApiOperation(
- value="Retrieves a Policy Controller",
- notes="A Policy Controller is a concrete drools application abstraction. " +
- "It aggregates networking, drools, and other resources," +
- "as provides operational controls over drools applications",
- response=PolicyController.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=404, message="The controller cannot be found"),
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response controller(@ApiParam(value="Policy Controller Name", required=true)
- @PathParam("controller") String controllerName) {
- try {
- return Response.status(Response.Status.OK).
- entity(PolicyController.factory.get(controllerName)).
- build();
- } catch (IllegalArgumentException e) {
- logger.debug("{}: cannot get policy-controller {} because of {}", this, controllerName, e.getMessage(), e);
- return Response.status(Response.Status.NOT_FOUND).
- entity(new Error(controllerName + " not found")).
- build();
- } catch (IllegalStateException e) {
- logger.debug("{}: cannot get policy-controller {} because of {}", this, controllerName, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(controllerName + " not acceptable")).
- build();
- }
- }
-
- @DELETE
- @Path("engine/controllers/{controller}")
- @ApiOperation(
- value="Deletes a Policy Controller",
- notes="A Policy Controller is a concrete drools application abstraction. " +
- "It aggregates networking, drools, and other resources," +
- "as provides operational controls over drools applications",
- response=PolicyController.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=404, message="The controller cannot be found"),
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled"),
- @ApiResponse(code=500, message="A problem has occurred while deleting the Policy Controller")
- })
- public Response controllerDelete(@ApiParam(value="Policy Controller Name", required=true)
- @PathParam("controller") String controllerName) {
-
- PolicyController controller;
- try {
- controller =
- PolicyController.factory.get(controllerName);
- if (controller == null)
- return Response.status(Response.Status.BAD_REQUEST).
- entity(new Error(controllerName + " does not exist")).
- build();
- } catch (IllegalArgumentException e) {
- logger.debug("{}: cannot get policy-controller {} because of {}", this, controllerName, e.getMessage(), e);
- return Response.status(Response.Status.BAD_REQUEST).
- entity(new Error(controllerName + " not found: " + e.getMessage())).
- build();
- } catch (IllegalStateException e) {
- logger.debug("{}: cannot get policy-controller {} because of {}", this, controllerName, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(controllerName + " not acceptable")).build();
- }
-
- try {
- PolicyEngine.manager.removePolicyController(controllerName);
- } catch (IllegalArgumentException | IllegalStateException e) {
- logger.debug("{}: cannot remove policy-controller {} because of {}", this, controllerName, e.getMessage(), e);
- return Response.status(Response.Status.INTERNAL_SERVER_ERROR).
- entity(new Error(e.getMessage())).
- build();
- }
-
- return Response.status(Response.Status.OK).
- entity(controller).
- build();
- }
-
- @GET
- @Path("engine/controllers/{controller}/properties")
- @ApiOperation(
- value="Retrieves the configuration properties of a Policy Controller",
- notes="Configuration resources used by the controller if Properties format",
- response=PolicyController.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=404, message="The controller cannot be found"),
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response controllerProperties(@ApiParam(value="Policy Controller Name", required=true)
- @PathParam("controller") String controllerName) {
- try {
- PolicyController controller = PolicyController.factory.get(controllerName);
- return Response.status(Response.Status.OK).
- entity(controller.getProperties()).
- build();
- } catch (IllegalArgumentException e) {
- logger.debug("{}: cannot get policy-controller {} because of {}", this, controllerName, e.getMessage(), e);
- return Response.status(Response.Status.NOT_FOUND).
- entity(new Error(controllerName + " not found")).
- build();
- } catch (IllegalStateException e) {
- logger.debug("{}: cannot get policy-controller {} because of {}", this, controllerName, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(controllerName + " not acceptable")).
- build();
- }
- }
-
- @GET
- @Path("engine/controllers/{controller}/inputs")
- @ApiOperation(
- value="Policy Controller Input Ports",
- notes="List of input ports",
- responseContainer="List"
- )
- public Response controllerInputs() {
- return Response.status(Response.Status.OK).
- entity(Arrays.asList(Inputs.values())).
- build();
- }
-
- @POST
- @Path("engine/controllers/{controller}/inputs/configuration")
- @ApiOperation(
- value="Policy Controller Input Configuration Requests",
- notes="Feeds a configuration request input into the given Policy Controller"
- )
- @ApiResponses(value={
- @ApiResponse(code=400, message = "The configuration request is invalid"),
- @ApiResponse(code=406, message = "The configuration request cannot be honored")
- })
- public Response controllerUpdate(@ApiParam(value="Policy Controller Name", required=true)
- @PathParam("controller") String controllerName,
- @ApiParam(value="Configuration to apply", required=true)
- ControllerConfiguration controllerConfiguration) {
-
- if (controllerName == null || controllerName.isEmpty() ||
- controllerConfiguration == null ||
- controllerConfiguration.getName().intern() != controllerName)
- return Response.status(Response.Status.BAD_REQUEST).
- entity("A valid or matching controller names must be provided").
- build();
-
- PolicyController controller;
- try {
- controller = PolicyEngine.manager.updatePolicyController(controllerConfiguration);
- if (controller == null)
- return Response.status(Response.Status.BAD_REQUEST).
- entity(new Error(controllerName + " does not exist")).
- build();
- } catch (IllegalArgumentException e) {
- logger.info("{}: cannot update policy-controller {} because of {}", this, controllerName, e.getMessage(), e);
- return Response.status(Response.Status.BAD_REQUEST).
- entity(new Error(controllerName + " not found: " + e.getMessage())).
- build();
- } catch (Exception e) {
- logger.info("{}: cannot update policy-controller {} because of {}", this, controllerName, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(controllerName + " not acceptable")).build();
- }
-
- return Response.status(Response.Status.OK).
- entity(controller).
- build();
- }
-
- @GET
- @Path("engine/controllers/{controller}/switches")
- @ApiOperation(
- value="Policy Controller Switches",
- notes="List of the Policy Controller Switches",
- responseContainer="List"
- )
- public Response controllerSwitches() {
- return Response.status(Response.Status.OK).
- entity(Arrays.asList(Switches.values())).
- build();
- }
-
- @PUT
- @Path("engine/controllers/{controller}/switches/lock")
- @ApiOperation(
- value="Switches on the Policy Controller Lock Control",
- notes="This action on the switch locks the Policy Controller",
- response=PolicyController.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response controllerLock(@ApiParam(value="Policy Controller Name", required=true)
- @PathParam("controller") String controllerName) {
- PolicyController policyController = PolicyController.factory.get(controllerName);
- boolean success = policyController.lock();
- if (success)
- return Response.status(Status.OK).
- entity(policyController).
- build();
- else
- return Response.status(Status.NOT_ACCEPTABLE).
- entity(new Error("Controller " + controllerName + " cannot be locked")).
- build();
- }
-
- @DELETE
- @Path("engine/controllers/{controller}/switches/lock")
- @ApiOperation(
- value="Switches off the Policy Controller Lock Control",
- notes="This action on the switch unlocks the Policy Controller",
- response=PolicyController.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response controllerUnlock(@ApiParam(value="Policy Controller Name", required=true)
- @PathParam("controller") String controllerName) {
- PolicyController policyController = PolicyController.factory.get(controllerName);
- boolean success = policyController.unlock();
- if (success)
- return Response.status(Status.OK).
- entity(policyController).
- build();
- else
- return Response.status(Status.NOT_ACCEPTABLE).
- entity(new Error("Controller " + controllerName + " cannot be unlocked")).
- build();
- }
-
- @GET
- @Path("engine/controllers/{controller}/drools")
- @ApiOperation(
- value="Retrieves the Drools Controller subcomponent of the Policy Controller",
- notes="The Drools Controller provides an abstraction over the Drools subsystem",
- response=DroolsController.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=404, message="The controller cannot be found"),
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response drools(@ApiParam(value="Policy Controller Name", required=true)
- @PathParam("controller") String controllerName) {
- try {
- DroolsController drools = getDroolsController(controllerName);
- return Response.status(Response.Status.OK).
- entity(drools).
- build();
- } catch (IllegalArgumentException e) {
- logger.debug("{}: cannot get drools-controller {} because of {}", this, controllerName, e.getMessage(), e);
- return Response.status(Response.Status.NOT_FOUND).
- entity(new Error(controllerName + " not found")).
- build();
- } catch (IllegalStateException e) {
- logger.debug("{}: cannot get drools-controller {} because of {}", this, controllerName, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(controllerName + " not acceptable")).
- build();
- }
- }
-
- @GET
- @Path("engine/controllers/{controller}/drools/facts")
- @ApiOperation(
- value="Retrieves Facts Summary information for a given controller",
- notes="Provides the session names, and a count of fact object in the drools working memory",
- responseContainer="Map"
- )
- @ApiResponses(value = {
- @ApiResponse(code=404, message="The controller cannot be found"),
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response droolsFacts(@ApiParam(value="Policy Controller Name", required=true)
- @PathParam("controller") String controllerName) {
- try {
- Map<String,Long> sessionCounts = new HashMap<>();
- DroolsController drools = getDroolsController(controllerName);
- for (String session : drools.getSessionNames()) {
- sessionCounts.put(session, drools.factCount(session));
- }
- return Response.status(Response.Status.OK).
- entity(sessionCounts).
- build();
- } catch (IllegalArgumentException e) {
- logger.debug("{}: cannot get policy-controller {} because of {}", this, controllerName, e.getMessage(), e);
- return Response.status(Response.Status.NOT_FOUND).
- entity(new Error(controllerName + " not found")).
- build();
- } catch (IllegalStateException e) {
- logger.debug("{}: cannot get policy-controller {} because of {}", this, controllerName, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(controllerName + " not acceptable")).
- build();
- }
- }
-
- @GET
- @Path("engine/controllers/{controller}/drools/facts/{session}")
- @ApiOperation(
- value="Retrieves Fact Types (classnames) for a given controller and its count",
- notes="The fact types are the classnames of the objects inserted in the drools working memory",
- responseContainer="Map"
- )
- @ApiResponses(value = {
- @ApiResponse(code=404, message="The controller or session cannot be found"),
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response droolsFacts(@ApiParam(value="Policy Controller Name", required=true)
- @PathParam("controller") String controllerName,
- @ApiParam(value="Drools Session Name", required=true)
- @PathParam("session") String sessionName) {
- try {
- DroolsController drools = getDroolsController(controllerName);
- return Response.status(Response.Status.OK).
- entity(drools.factClassNames(sessionName)).
- build();
- } catch (IllegalArgumentException e) {
- logger.debug("{}: cannot get drools-controller {} because of {}", this, controllerName, e.getMessage(), e);
- return Response.status(Response.Status.NOT_FOUND).
- entity(new Error("entity not found")).
- build();
- } catch (IllegalStateException e) {
- logger.debug("{}: cannot get drools-controller {} because of {}", this, controllerName, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(controllerName + ":" + sessionName + " not acceptable")).
- build();
- }
- }
-
- @GET
- @Path("engine/controllers/{controller}/drools/facts/{session}/{factType}")
- @ApiOperation(
- value="Retrieves fact objects of a given type in the drools working memory" +
- "for a given controller and session",
- notes="The fact types are the classnames of the objects inserted in the drools working memory",
- responseContainer="List"
- )
- @ApiResponses(value = {
- @ApiResponse(code=404, message="The controller, session, or fact type cannot be found"),
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response droolsFacts(@ApiParam(value="Fact count", required=false)
- @DefaultValue("false") @QueryParam("count") boolean count,
- @ApiParam(value="Policy Controller Name", required=true)
- @PathParam("controller") String controllerName,
- @ApiParam(value="Drools Session Name", required=true)
- @PathParam("session") String sessionName,
- @ApiParam(value="Drools Fact Type", required=true)
- @PathParam("factType") String factType) {
- try {
- DroolsController drools = getDroolsController(controllerName);
- List<Object> facts = drools.facts(sessionName, factType, false);
- if (!count)
- return Response.status(Response.Status.OK).entity(facts).build();
- else
- return Response.status(Response.Status.OK).entity(facts.size()).build();
- } catch (IllegalArgumentException e) {
- logger.debug("{}: cannot get policy-controller {} because of {}", this, controllerName, e.getMessage(), e);
- return Response.status(Response.Status.NOT_FOUND).
- entity(new Error(controllerName + ":" + sessionName + ":" + factType +
- " not found")).
- build();
- } catch (IllegalStateException e) {
- logger.debug("{}: cannot get policy-controller {} because of {}", this, controllerName, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(controllerName + ":" + sessionName + ":" + factType +
- " not acceptable")).
- build();
- }
- }
-
- @DELETE
- @Path("engine/controllers/{controller}/drools/facts/{session}/{factType}")
- @ApiOperation(
- value="Deletes all the fact objects of a given type from the drools working memory" +
- "for a given controller and session. The objects retracted from the working " +
- "memory are provided in the response.",
- notes="The fact types are the classnames of the objects inserted in the drools working memory",
- responseContainer="List"
- )
- @ApiResponses(value = {
- @ApiResponse(code=404, message="The controller, session, or fact type, cannot be found"),
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled"),
- @ApiResponse(code=500, message="A server error has occurred processing this request")
- })
- public Response droolsFactsDelete(@ApiParam(value="Policy Controller Name", required=true)
- @PathParam("controller") String controllerName,
- @ApiParam(value="Drools Session Name", required=true)
- @PathParam("session") String sessionName,
- @ApiParam(value="Drools Fact Type", required=true)
- @PathParam("factType") String factType) {
- try {
- DroolsController drools = getDroolsController(controllerName);
- List<Object> facts = drools.facts(sessionName, factType, true);
- return Response.status(Response.Status.OK).entity(facts).build();
- } catch (IllegalArgumentException e) {
- logger.debug("{}: cannot get: drools-controller {}, session {}, factType {}, because of {}",
- this, controllerName, sessionName, factType, e.getMessage(), e);
- return Response.status(Response.Status.NOT_FOUND).
- entity(new Error(controllerName + ":" + sessionName + ":" + factType +
- " not found")).
- build();
- } catch (IllegalStateException e) {
- logger.debug("{}: cannot get: drools-controller {}, session {}, factType {}, because of {}",
- this, controllerName, sessionName, factType, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(controllerName + ":" + sessionName + ":" + factType +
- " not acceptable")).
- build();
- } catch (Exception e) {
- logger.debug("{}: cannot get: drools-controller {}, session {}, factType {}, because of {}",
- this, controllerName, sessionName, factType, e.getMessage(), e);
- return Response.status(Response.Status.INTERNAL_SERVER_ERROR).
- entity(new Error(e.getMessage())).
- build();
- }
- }
-
- @GET
- @Path("engine/controllers/{controller}/drools/facts/{session}/{query}/{queriedEntity}")
- @ApiOperation(
- value="Gets all the fact objects returned by a DRL query with no parameters from the drools working memory" +
- "for a given controller and session",
- notes="The DRL query must be defined in the DRL file",
- responseContainer="List"
- )
- @ApiResponses(value = {
- @ApiResponse(code=404, message="The controller, session, or query information, cannot be found"),
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled"),
- @ApiResponse(code=500, message="A server error has occurred processing this request")
- })
- public Response droolsFacts(@ApiParam(value="Fact count", required=false)
- @DefaultValue("false") @QueryParam("count") boolean count,
- @ApiParam(value="Policy Controller Name", required=true)
- @PathParam("controller") String controllerName,
- @ApiParam(value="Drools Session Name", required=true)
- @PathParam("session") String sessionName,
- @ApiParam(value="Query Name Present in DRL", required=true)
- @PathParam("query") String queryName,
- @ApiParam(value="Query Identifier Present in the DRL Query", required=true)
- @PathParam("queriedEntity") String queriedEntity) {
- try {
- DroolsController drools = getDroolsController(controllerName);
- List<Object> facts = drools.factQuery(sessionName, queryName, queriedEntity, false);
- if (!count)
- return Response.status(Response.Status.OK).entity(facts).build();
- else
- return Response.status(Response.Status.OK).entity(facts.size()).build();
- } catch (IllegalArgumentException e) {
- logger.debug("{}: cannot get: drools-controller {}, session {}, query {}, entity {} because of {}",
- this, controllerName, sessionName, queryName, queriedEntity, e.getMessage(), e);
- return Response.status(Response.Status.NOT_FOUND).
- entity(new Error(controllerName + ":" + sessionName + ":" + queryName +
- queriedEntity + " not found")).
- build();
- } catch (IllegalStateException e) {
- logger.debug("{}: cannot get: drools-controller {}, session {}, query {}, entity {} because of {}",
- this, controllerName, sessionName, queryName, queriedEntity, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(controllerName + ":" + sessionName + ":" + queryName +
- queriedEntity + " not acceptable")).
- build();
- } catch (Exception e) {
- logger.debug("{}: cannot get: drools-controller {}, session {}, query {}, entity {} because of {}",
- this, controllerName, sessionName, queryName, queriedEntity, e.getMessage(), e);
- return Response.status(Response.Status.INTERNAL_SERVER_ERROR).
- entity(new Error(e.getMessage())).
- build();
- }
- }
-
- @POST
- @Path("engine/controllers/{controller}/drools/facts/{session}/{query}/{queriedEntity}")
- @ApiOperation(
- value="Gets all the fact objects returned by a DRL query with parameters from the drools working memory" +
- "for a given controller and session",
- notes="The DRL query with parameters must be defined in the DRL file",
- responseContainer="List"
- )
- @ApiResponses(value = {
- @ApiResponse(code=404, message="The controller, session, or query information, cannot be found"),
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled"),
- @ApiResponse(code=500, message="A server error has occurred processing this request")
- })
- public Response droolsFacts(@ApiParam(value="Policy Controller Name", required=true)
- @PathParam("controller") String controllerName,
- @ApiParam(value="Drools Session Name", required=true)
- @PathParam("session") String sessionName,
- @ApiParam(value="Query Name Present in DRL", required=true)
- @PathParam("query") String queryName,
- @ApiParam(value="Query Identifier Present in the DRL Query", required=true)
- @PathParam("queriedEntity") String queriedEntity,
- @ApiParam(value="Query Parameter Values to pass in the DRL Query", required=false)
- List<Object> queryParameters) {
- try {
- DroolsController drools = getDroolsController(controllerName);
- List<Object> facts;
- if (queryParameters == null || queryParameters.isEmpty())
- facts = drools.factQuery(sessionName, queryName, queriedEntity, false);
- else
- facts = drools.factQuery(sessionName, queryName, queriedEntity, false, queryParameters.toArray());
- return Response.status(Response.Status.OK).entity(facts).build();
- } catch (IllegalArgumentException e) {
- logger.debug("{}: cannot get: drools-controller {}, session {}, query {}, entity {}, params {} because of {}",
- this, controllerName, sessionName, queryName, queriedEntity, queryParameters, e.getMessage(), e);
- return Response.status(Response.Status.NOT_FOUND).
- entity(new Error(controllerName + ":" + sessionName + ":" + queryName +
- queriedEntity + " not found")).
- build();
- } catch (IllegalStateException e) {
- logger.debug("{}: cannot get: drools-controller {}, session {}, query {}, entity {}, params {} because of {}",
- this, controllerName, sessionName, queryName, queriedEntity, queryParameters, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(controllerName + ":" + sessionName + ":" + queryName +
- queriedEntity + " not acceptable")).
- build();
- } catch (Exception e) {
- logger.debug("{}: cannot get: drools-controller {}, session {}, query {}, entity {}, params {} because of {}",
- this, controllerName, sessionName, queryName, queriedEntity, queryParameters, e.getMessage(), e);
- return Response.status(Response.Status.INTERNAL_SERVER_ERROR).
- entity(new Error(e.getMessage())).
- build();
- }
- }
-
- @DELETE
- @Path("engine/controllers/{controller}/drools/facts/{session}/{query}/{queriedEntity}")
- @ApiOperation(
- value="Deletes all the fact objects returned by a DRL query with parameters from the drools working memory" +
- "for a given controller and session",
- notes="The DRL query with parameters must be defined in the DRL file",
- responseContainer="List"
- )
- @ApiResponses(value = {
- @ApiResponse(code=404, message="The controller, session, or query information, cannot be found"),
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled"),
- @ApiResponse(code=500, message="A server error has occurred processing this request")
- })
- public Response droolsFactsDelete(@ApiParam(value="Policy Controller Name", required=true)
- @PathParam("controller") String controllerName,
- @ApiParam(value="Drools Session Name", required=true)
- @PathParam("session") String sessionName,
- @ApiParam(value="Query Name Present in DRL", required=true)
- @PathParam("query") String queryName,
- @ApiParam(value="Query Identifier Present in the DRL Query", required=true)
- @PathParam("queriedEntity") String queriedEntity,
- @ApiParam(value="Query Parameter Values to pass in the DRL Query", required=false)
- List<Object> queryParameters) {
- try {
- DroolsController drools = getDroolsController(controllerName);
- List<Object> facts;
- if (queryParameters == null || queryParameters.isEmpty())
- facts = drools.factQuery(sessionName, queryName, queriedEntity, true);
- else
- facts = drools.factQuery(sessionName, queryName, queriedEntity, true, queryParameters.toArray());
- return Response.status(Response.Status.OK).entity(facts).build();
- } catch (IllegalArgumentException e) {
- logger.debug("{}: cannot get: drools-controller {}, session {}, query {}, entity {}, params {} because of {}",
- this, controllerName, sessionName, queryName, queriedEntity, queryParameters, e.getMessage(), e);
- return Response.status(Response.Status.NOT_FOUND).
- entity(new Error(controllerName + ":" + sessionName + ":" + queryName +
- queriedEntity + " not found")).
- build();
- } catch (IllegalStateException e) {
- logger.debug("{}: cannot get: drools-controller {}, session {}, query {}, entity {}, params {} because of {}",
- this, controllerName, sessionName, queryName, queriedEntity, queryParameters, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(controllerName + ":" + sessionName + ":" + queryName +
- queriedEntity + " not acceptable")).
- build();
- } catch (Exception e) {
- logger.debug("{}: cannot get: drools-controller {}, session {}, query {}, entity {}, params {} because of {}",
- this, controllerName, sessionName, queryName, queriedEntity, queryParameters, e.getMessage(), e);
- return Response.status(Response.Status.INTERNAL_SERVER_ERROR).
- entity(new Error(e.getMessage())).
- build();
- }
- }
-
- @POST
- @Path("engine/controllers/tools/coders/decoders/filters/rules/{ruleName}")
- @ApiOperation(
- value="Produces a Decoder Rule Filter in a format that the Policy Controller can understand",
- notes="The result can be used with other APIs to attach a filter to a decoder"
- )
- public Response rules(@ApiParam(value="Negate regex?", required=true)
- @DefaultValue("false") @QueryParam("negate") boolean negate,
- @ApiParam(value="Rule Name", required=true)
- @PathParam("ruleName") String name,
- @ApiParam(value="Regex expression", required=true)
- String regex) {
- String literalRegex = Pattern.quote(regex);
- if (negate)
- literalRegex = "^(?!" + literalRegex + "$).*";
-
- return Response.status(Status.OK).
- entity(new JsonProtocolFilter.FilterRule(name,literalRegex)).
- build();
- }
-
- @GET
- @Path("engine/controllers/{controller}/decoders")
- @ApiOperation(
- value="Gets all the decoders used by a controller",
- notes="A Policy Controller uses decoders to deserialize incoming network messages from " +
- "subscribed network topics into specific (fact) objects. " +
- "The deserialized (fact) object will typically be inserted in the drools working " +
- " memory of the controlled drools application.",
- responseContainer="List",
- response=ProtocolCoderToolset.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=404, message="The controller cannot be found"),
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response decoders(@ApiParam(value="Policy Controller Name", required=true)
- @PathParam("controller") String controllerName) {
- try {
- DroolsController drools = getDroolsController(controllerName);
- List<ProtocolCoderToolset> decoders = EventProtocolCoder.manager.getDecoders
- (drools.getGroupId(), drools.getArtifactId());
- return Response.status(Response.Status.OK).
- entity(decoders).
- build();
- } catch (IllegalArgumentException e) {
- logger.debug("{}: cannot get decoders for policy-controller {} because of {}", this, controllerName, e.getMessage(), e);
- return Response.status(Response.Status.NOT_FOUND).
- entity(new Error(controllerName + " not found")).
- build();
- } catch (IllegalStateException e) {
- logger.debug("{}: cannot get decoders for policy-controller {} because of {}", this, controllerName, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(controllerName + " not acceptable")).
- build();
- }
- }
-
- @GET
- @Path("engine/controllers/{controller}/decoders/filters")
- @ApiOperation(
- value="Gets all the filters used by a controller",
- notes="A Policy Controller uses decoders to deserialize incoming network messages from " +
- "subscribed network topics into specific (fact) objects. " +
- "The deserialized (fact) object will typically be inserted in the drools working " +
- " memory of the controlled drools application." +
- "Acceptance filters are used to filter out undesired network messages for the given controller",
- responseContainer="List",
- response=CoderFilters.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=404, message="The controller cannot be found"),
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response decoderFilters(@ApiParam(value="Policy Controller Name", required=true)
- @PathParam("controller") String controllerName) {
- try {
- DroolsController drools = getDroolsController(controllerName);
- List<CoderFilters> filters = EventProtocolCoder.manager.getDecoderFilters
- (drools.getGroupId(), drools.getArtifactId());
- return Response.status(Response.Status.OK).
- entity(filters).
- build();
- } catch (IllegalArgumentException e) {
- logger.debug("{}: cannot get decoders for policy-controller {} because of {}", this, controllerName, e.getMessage(), e);
- return Response.status(Response.Status.NOT_FOUND).
- entity(new Error(controllerName + " not found")).
- build();
- } catch (IllegalStateException e) {
- logger.debug("{}: cannot get decoders for policy-controller {} because of {}", this, controllerName, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(controllerName + " not acceptable")).
- build();
- }
- }
-
- @GET
- @Path("engine/controllers/{controller}/decoders/{topic}")
- @ApiOperation(
- value="Gets all the decoders in use by a controller for a networked topic",
- notes="A Policy Controller uses decoders to deserialize incoming network messages from " +
- "subscribed network topics into specific (fact) objects. " +
- "The deserialized (fact) object will typically be inserted in the drools working " +
- " memory of the controlled drools application.",
- responseContainer="List",
- response=ProtocolCoderToolset.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=404, message="The controller or topic cannot be found"),
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response decoder(@ApiParam(value="Policy Controller Name", required=true)
- @PathParam("controller") String controllerName,
- @ApiParam(value="Networked Topic Name", required=true)
- @PathParam("topic") String topic) {
- try {
- DroolsController drools = getDroolsController(controllerName);
- ProtocolCoderToolset decoder = EventProtocolCoder.manager.getDecoders
- (drools.getGroupId(), drools.getArtifactId(), topic);
- return Response.status(Response.Status.OK).
- entity(decoder).
- build();
- } catch (IllegalArgumentException e) {
- logger.debug("{}: cannot get decoders for policy-controller {} topic {} because of {}",
- this, controllerName, topic, e.getMessage(), e);
- return Response.status(Response.Status.NOT_FOUND).
- entity(new Error(controllerName + ":" + topic + " not found")).
- build();
- } catch (IllegalStateException e) {
- logger.debug("{}: cannot get decoders for policy-controller {} topic {} because of {}",
- this, controllerName, topic, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(controllerName + ":" + topic + " not acceptable")).
- build();
- }
- }
-
- @GET
- @Path("engine/controllers/{controller}/decoders/{topic}/filters")
- @ApiOperation(
- value="Gets all filters attached to decoders for a given networked topic in use by a controller",
- notes="A Policy Controller uses decoders to deserialize incoming network messages from " +
- "subscribed network topics into specific (fact) objects. " +
- "The deserialized (fact) object will typically be inserted in the drools working " +
- " memory of the controlled drools application." +
- "Acceptance filters are used to filter out undesired network messages for the given controller",
- responseContainer="List",
- response=CoderFilters.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=404, message="The controller or topic cannot be found"),
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response decoderFilter(@ApiParam(value="Policy Controller Name", required=true)
- @PathParam("controller") String controllerName,
- @ApiParam(value="Networked Topic Name", required=true)
- @PathParam("topic") String topic) {
- try {
- DroolsController drools = getDroolsController(controllerName);
- ProtocolCoderToolset decoder = EventProtocolCoder.manager.getDecoders
- (drools.getGroupId(), drools.getArtifactId(), topic);
- if (decoder == null)
- return Response.status(Response.Status.BAD_REQUEST).
- entity(new Error(topic + " does not exist")).
- build();
- else
- return Response.status(Response.Status.OK).
- entity(decoder.getCoders()).
- build();
- } catch (IllegalArgumentException e) {
- logger.debug("{}: cannot get decoders for policy-controller {} topic {} because of {}",
- this, controllerName, topic, e.getMessage(), e);
- return Response.status(Response.Status.NOT_FOUND).
- entity(new Error(controllerName + ":" + topic + " not found")).
- build();
- } catch (IllegalStateException e) {
- logger.debug("{}: cannot get decoders for policy-controller {} topic {} because of {}",
- this, controllerName, topic, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(controllerName + ":" + topic + " not acceptable")).
- build();
- }
- }
-
- @GET
- @Path("engine/controllers/{controller}/decoders/{topic}/filters/{factType}")
- @ApiOperation(
- value="Gets all filters attached to decoders for a given subscribed networked topic " +
- "and fact type",
- notes="Decoders are associated with networked topics. A Policy Controller manages " +
- "multiple topics and therefore its attached decoders. " +
- "A Policy Controller uses filters to further specify the fact mapping. " +
- "Filters are applied on a per fact type (classname).",
- responseContainer="List",
- response=CoderFilters.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=404, message="The controller, topic, or fact type cannot be found"),
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response decoderFilter(@ApiParam(value="Policy Controller Name", required=true)
- @PathParam("controller") String controllerName,
- @ApiParam(value="Networked Topic Name", required=true)
- @PathParam("topic") String topic,
- @ApiParam(value="Fact Type", required=true)
- @PathParam("factType") String factClass) {
- try {
- DroolsController drools = getDroolsController(controllerName);
- ProtocolCoderToolset decoder = EventProtocolCoder.manager.getDecoders
- (drools.getGroupId(), drools.getArtifactId(), topic);
- CoderFilters filters = decoder.getCoder(factClass);
- if (filters == null)
- return Response.status(Response.Status.BAD_REQUEST).
- entity(new Error(topic + ":" + factClass + " does not exist")).
- build();
- else
- return Response.status(Response.Status.OK).
- entity(filters).
- build();
- } catch (IllegalArgumentException e) {
- logger.debug("{}: cannot get decoder filters for policy-controller {} topic {} type {} because of {}",
- this, controllerName, topic, factClass, e.getMessage(), e);
- return Response.status(Response.Status.NOT_FOUND).
- entity(new Error(controllerName + ":" + topic + ":" +
- factClass + " not found")).
- build();
- } catch (IllegalStateException e) {
- logger.debug("{}: cannot get decoder filters for policy-controller {} topic {} type {} because of {}",
- this, controllerName, topic, factClass, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(controllerName + ":" + topic + ":" +
- factClass + " not acceptable")).
- build();
- }
- }
-
- @PUT
- @Path("engine/controllers/{controller}/decoders/{topic}/filters/{factType}")
- @ApiOperation(
- value="Attaches filters to the decoder for a given networked topic " +
- "and fact type",
- notes="Decoders are associated with networked topics. A Policy Controller manages " +
- "multiple topics and therefore its attached decoders. " +
- "A Policy Controller uses filters to further specify the fact mapping. " +
- "Filters are applied on a per fact type (classname).",
- responseContainer="List",
- response=CoderFilters.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=404, message="The controller, topic, fact type, cannot be found, " +
- "or a filter has not been provided"),
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response decoderFilter(@ApiParam(value="Policy Controller Name", required=true)
- @PathParam("controller") String controllerName,
- @ApiParam(value="Topic Name", required=true)
- @PathParam("topic") String topic,
- @ApiParam(value="Fact Type", required=true)
- @PathParam("factType") String factClass,
- @ApiParam(value="Configuration Filter", required=true)
- JsonProtocolFilter configFilters) {
-
- if (configFilters == null) {
- return Response.status(Response.Status.BAD_REQUEST).
- entity(new Error("Configuration Filters not provided")).
- build();
- }
-
- try {
- DroolsController drools = getDroolsController(controllerName);
- ProtocolCoderToolset decoder = EventProtocolCoder.manager.getDecoders
- (drools.getGroupId(), drools.getArtifactId(), topic);
- CoderFilters filters = decoder.getCoder(factClass);
- if (filters == null)
- return Response.status(Response.Status.BAD_REQUEST).
- entity(new Error(topic + ":" + factClass + " does not exist")).
- build();
- filters.setFilter(configFilters);
- return Response.status(Response.Status.OK).
- entity(filters).
- build();
- } catch (IllegalArgumentException e) {
- logger.debug("{}: cannot get decoder filters for policy-controller {} topic {} type {} filters {} because of {}",
- this, controllerName, topic, factClass, configFilters, e.getMessage(), e);
- return Response.status(Response.Status.NOT_FOUND).
- entity(new Error(controllerName + ":" + topic + ":" +
- factClass + " not found")).
- build();
- } catch (IllegalStateException e) {
- logger.debug("{}: cannot get decoder filters for policy-controller {} topic {} type {} filters {} because of {}",
- this, controllerName, topic, factClass, configFilters, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(controllerName + ":" + topic + ":" +
- factClass + " not acceptable")).
- build();
- }
- }
-
- @GET
- @Path("engine/controllers/{controller}/decoders/{topic}/filters/{factType}/rules")
- @ApiOperation(
- value="Gets the filter rules attached to a topic decoder of a controller",
- notes="Decoders are associated with networked topics. A Policy Controller manages " +
- "multiple topics and therefore its attached decoders. " +
- "A Policy Controller uses filters to further specify the fact mapping. " +
- "Filters are applied on a per fact type and are composed of field matching rules. ",
- responseContainer="List",
- response=FilterRule.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=404, message="The controller, topic, or fact type cannot be found"),
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response decoderFilterRules(@ApiParam(value="Policy Controller Name", required=true)
- @PathParam("controller") String controllerName,
- @ApiParam(value="Topic Name", required=true)
- @PathParam("topic") String topic,
- @ApiParam(value="Fact Type", required=true)
- @PathParam("factType") String factClass) {
- try {
- DroolsController drools = getDroolsController(controllerName);
- ProtocolCoderToolset decoder = EventProtocolCoder.manager.getDecoders
- (drools.getGroupId(), drools.getArtifactId(), topic);
-
- CoderFilters filters = decoder.getCoder(factClass);
- if (filters == null)
- return Response.status(Response.Status.BAD_REQUEST).
- entity(new Error(controllerName + ":" + topic + ":" + factClass + " does not exist")).
- build();
-
- JsonProtocolFilter filter = filters.getFilter();
- if (filter == null)
- return Response.status(Response.Status.BAD_REQUEST).
- entity(new Error(controllerName + ":" + topic + ":" + factClass + " no filters")).
- build();
-
- return Response.status(Response.Status.OK).
- entity(filter.getRules()).
- build();
- } catch (IllegalArgumentException e) {
- logger.debug("{}: cannot get decoder filters for policy-controller {} topic {} type {} because of {}",
- this, controllerName, topic, factClass, e.getMessage(), e);
- return Response.status(Response.Status.NOT_FOUND).
- entity(new Error(controllerName + ":" + topic + ":" +
- factClass + " not found")).
- build();
- } catch (IllegalStateException e) {
- logger.debug("{}: cannot get decoder filters for policy-controller {} topic {} type {} because of {}",
- this, controllerName, topic, factClass, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(controllerName + ":" + topic + ":" +
- factClass + " not acceptable")).
- build();
- }
- }
-
- @GET
- @Path("engine/controllers/{controller}/decoders/{topic}/filters/{factType}/rules/{ruleName}")
- @ApiOperation(
- value="Gets a filter rule by name attached to a topic decoder of a controller",
- notes="Decoders are associated with networked topics. A Policy Controller manages " +
- "multiple topics and therefore its attached decoders. " +
- "A Policy Controller uses filters to further specify the fact mapping. " +
- "Filters are applied on a per fact type and are composed of field matching rules. ",
- responseContainer="List",
- response=FilterRule.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=404, message="The controller, topic, fact type, or rule name cannot be found"),
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response decoderFilterRules(@ApiParam(value="Policy Controller Name", required=true)
- @PathParam("controller") String controllerName,
- @ApiParam(value="Topic Name", required=true)
- @PathParam("topic") String topic,
- @ApiParam(value="Fact Type", required=true)
- @PathParam("factType") String factClass,
- @ApiParam(value="Rule Name", required=true)
- @PathParam("ruleName") String ruleName) {
- try {
- DroolsController drools = getDroolsController(controllerName);
- ProtocolCoderToolset decoder = EventProtocolCoder.manager.getDecoders
- (drools.getGroupId(), drools.getArtifactId(), topic);
-
- CoderFilters filters = decoder.getCoder(factClass);
- if (filters == null)
- return Response.status(Response.Status.BAD_REQUEST).
- entity(new Error(controllerName + ":" + topic + ":" + factClass + " does not exist")).
- build();
-
- JsonProtocolFilter filter = filters.getFilter();
- if (filter == null)
- return Response.status(Response.Status.BAD_REQUEST).
- entity(new Error(controllerName + ":" + topic + ":" + factClass + " no filters")).
- build();
-
- return Response.status(Response.Status.OK).
- entity(filter.getRules(ruleName)).
- build();
- } catch (IllegalArgumentException e) {
- logger.debug("{}: cannot get decoder filters for policy-controller {} topic {} type {} rule {} because of {}",
- this, controllerName, topic, factClass, ruleName, e.getMessage(), e);
- return Response.status(Response.Status.NOT_FOUND).
- entity(new Error(controllerName + ":" + topic + ":" +
- factClass + ": " + ruleName + " not found")).
- build();
- } catch (IllegalStateException e) {
- logger.debug("{}: cannot get decoder filters for policy-controller {} topic {} type {} rule {} because of {}",
- this, controllerName, topic, factClass, ruleName, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(controllerName + ":" + topic + ":" +
- factClass + ":" + ruleName + " not acceptable")).
- build();
- }
- }
-
- @DELETE
- @Path("engine/controllers/{controller}/decoders/{topic}/filters/{factType}/rules/{ruleName}")
- @ApiOperation(
- value="Deletes a filter rule by name attached to a topic decoder of a controller",
- notes="Decoders are associated with networked topics. A Policy Controller manages " +
- "multiple topics and therefore its attached decoders. " +
- "A Policy Controller uses filters to further specify the fact mapping. " +
- "Filters are applied on a per fact type and are composed of field matching rules. ",
- responseContainer="List",
- response=FilterRule.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=404, message="The controller, topic, fact type, or rule name cannot be found"),
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response decoderFilterRuleDelete(@ApiParam(value="Policy Controller Name", required=true)
- @PathParam("controller") String controllerName,
- @ApiParam(value="Topic Name", required=true)
- @PathParam("topic") String topic,
- @ApiParam(value="Fact Type", required=true)
- @PathParam("factType") String factClass,
- @ApiParam(value="Rule Name", required=true)
- @PathParam("ruleName") String ruleName,
- @ApiParam(value="Filter Rule", required=true)
- FilterRule rule) {
-
- try {
- DroolsController drools = getDroolsController(controllerName);
- ProtocolCoderToolset decoder = EventProtocolCoder.manager.getDecoders
- (drools.getGroupId(), drools.getArtifactId(), topic);
-
- CoderFilters filters = decoder.getCoder(factClass);
- if (filters == null)
- return Response.status(Response.Status.BAD_REQUEST).
- entity(new Error(controllerName + ":" + topic + ":" + factClass + " does not exist")).
- build();
-
- JsonProtocolFilter filter = filters.getFilter();
- if (filter == null)
- return Response.status(Response.Status.BAD_REQUEST).
- entity(new Error(controllerName + ":" + topic + ":" + factClass + " no filters")).
- build();
-
- if (rule == null) {
- filter.deleteRules(ruleName);
- return Response.status(Response.Status.OK).
- entity(filter.getRules()).
- build();
- }
-
- if (rule.getName() == null || !rule.getName().equals(ruleName))
- return Response.status(Response.Status.BAD_REQUEST).
- entity(new Error(controllerName + ":" + topic + ":" + factClass + ":" + ruleName +
- " rule name request inconsistencies (" + rule.getName() + ")")).
- build();
-
- filter.deleteRule(ruleName, rule.getRegex());
- return Response.status(Response.Status.OK).
- entity(filter.getRules()).
- build();
- } catch (IllegalArgumentException e) {
- logger.debug("{}: cannot get decoder filters for policy-controller {} topic {} type {} rule {} because of {}",
- this, controllerName, topic, factClass, ruleName, e.getMessage(), e);
- return Response.status(Response.Status.NOT_FOUND).
- entity(new Error(controllerName + ":" + topic + ":" +
- factClass + ": " + ruleName + " not found")).
- build();
- } catch (IllegalStateException e) {
- logger.debug("{}: cannot get decoder filters for policy-controller {} topic {} type {} rule {} because of {}",
- this, controllerName, topic, factClass, ruleName, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(controllerName + ":" + topic + ":" +
- factClass + ":" + ruleName + " not acceptable")).
- build();
- }
- }
-
- @PUT
- @Path("engine/controllers/{controller}/decoders/{topic}/filters/{factType}/rules")
- @ApiOperation(
- value="Places a new filter rule in a topic decoder",
- notes="Decoders are associated with networked topics. A Policy Controller manages " +
- "multiple topics and therefore its attached decoders. " +
- "A Policy Controller uses filters to further specify the fact mapping. " +
- "Filters are applied on a per fact type and are composed of field matching rules. ",
- responseContainer="List",
- response=FilterRule.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=404, message="The controller, topic, or fact type cannot be found"),
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response decoderFilterRule(@ApiParam(value="Policy Controller Name", required=true)
- @PathParam("controller") String controllerName,
- @ApiParam(value="Topic Name", required=true)
- @PathParam("topic") String topic,
- @ApiParam(value="Fact Type", required=true)
- @PathParam("factType") String factClass,
- @ApiParam(value="Rule Name", required=true)
- @PathParam("ruleName") String ruleName,
- @ApiParam(value="Filter Rule", required=true)
- FilterRule rule) {
-
- try {
- DroolsController drools = getDroolsController(controllerName);
- ProtocolCoderToolset decoder = EventProtocolCoder.manager.getDecoders
- (drools.getGroupId(), drools.getArtifactId(), topic);
-
- CoderFilters filters = decoder.getCoder(factClass);
- if (filters == null)
- return Response.status(Response.Status.BAD_REQUEST).
- entity(new Error(controllerName + ":" + topic + ":" + factClass + " does not exist")).
- build();
-
- JsonProtocolFilter filter = filters.getFilter();
- if (filter == null)
- return Response.status(Response.Status.BAD_REQUEST).
- entity(new Error(controllerName + ":" + topic + ":" + factClass + " no filters")).
- build();
-
- if (rule.getName() == null)
- return Response.status(Response.Status.BAD_REQUEST).
- entity(new Error(controllerName + ":" + topic + ":" + factClass +
- " rule name request inconsistencies (" + rule.getName() + ")")).
- build();
-
- filter.addRule(rule.getName(), rule.getRegex());
- return Response.status(Response.Status.OK).
- entity(filter.getRules()).
- build();
- } catch (IllegalArgumentException e) {
- logger.debug("{}: cannot access decoder filter rules for policy-controller {} topic {} type {} rule {} because of {}",
- this, controllerName, topic, factClass, ruleName, e.getMessage(), e);
- return Response.status(Response.Status.NOT_FOUND).
- entity(new Error(controllerName + ":" + topic + ":" +
- factClass + " not found")).
- build();
- } catch (IllegalStateException e) {
- logger.debug("{}: cannot access decoder filter rules for policy-controller {} topic {} type {} rule {} because of {}",
- this, controllerName, topic, factClass, ruleName, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(controllerName + ":" + topic + ":" +
- factClass + " not acceptable")).
- build();
- }
- }
-
- @POST
- @Path("engine/controllers/{controller}/decoders/{topic}")
- @Consumes(MediaType.TEXT_PLAIN)
- @ApiOperation(
- value="Decodes a string into a fact object, and encodes it back into a string",
- notes="Tests the decode/encode functions of a controller",
- response=CodingResult.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=400, message="Bad input has been provided"),
- @ApiResponse(code=404, message="The controller cannot be found"),
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response decode(@ApiParam(value="Policy Controller Name", required=true)
- @PathParam("controller") String controllerName,
- @ApiParam(value="Topic Name", required=true)
- @PathParam("topic") String topic,
- @ApiParam(value="JSON String to decode", required=true)
- String json) {
-
- PolicyController policyController;
- try {
- policyController = PolicyController.factory.get(controllerName);
- } catch (IllegalArgumentException e) {
- logger.debug("{}: cannot get decoders for policy-controller {} topic {} because of {}",
- this, controllerName, topic, e.getMessage(), e);
- return Response.status(Response.Status.NOT_FOUND).
- entity(new Error(controllerName + ":" + topic + ":" +
- " not found")).
- build();
- } catch (IllegalStateException e) {
- logger.debug("{}: cannot get decoders for policy-controller {} topic {} because of {}",
- this, controllerName, topic, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(controllerName + ":" + topic + ":" +
- " not acceptable")).
- build();
- }
-
- CodingResult result = new CodingResult();
- result.decoding = false;
- result.encoding = false;
- result.jsonEncoding = null;
-
- Object event;
- try {
- event = EventProtocolCoder.manager.decode
- (policyController.getDrools().getGroupId(),
- policyController.getDrools().getArtifactId(),
- topic,
- json);
- result.decoding = true;
- } catch (Exception e) {
- logger.debug("{}: cannot get policy-controller {} topic {} because of {}",
- this, controllerName, topic, e.getMessage(), e);
- return Response.status(Response.Status.BAD_REQUEST).
- entity(new Error(e.getMessage())).
- build();
- }
-
- try {
- result.jsonEncoding = EventProtocolCoder.manager.encode(topic, event);
- result.encoding = true;
- } catch (Exception e) {
- // continue so to propagate decoding results ..
- logger.debug("{}: cannot encode for policy-controller {} topic {} because of {}",
- this, controllerName, topic, e.getMessage(), e);
- }
-
- return Response.status(Response.Status.OK).
- entity(result).
- build();
- }
-
- @GET
- @Path("engine/controllers/{controller}/encoders")
- @ApiOperation(
- value="Retrieves the encoder filters of a controller",
- notes="The encoders serializes a fact object, typically for network transmission",
- responseContainer="List",
- response=CoderFilters.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=400, message="Bad input has been provided"),
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response encoderFilters(@ApiParam(value="Policy Controller Name", required=true)
- @PathParam("controller") String controllerName) {
- List<CoderFilters> encoders;
- try {
- PolicyController controller = PolicyController.factory.get(controllerName);
- DroolsController drools = controller.getDrools();
- encoders = EventProtocolCoder.manager.getEncoderFilters
- (drools.getGroupId(), drools.getArtifactId());
- } catch (IllegalArgumentException e) {
- logger.debug("{}: cannot get encoder filters for policy-controller {} because of {}",
- this, controllerName, e.getMessage(), e);
- return Response.status(Response.Status.BAD_REQUEST).
- entity(new Error(controllerName + " not found: " + e.getMessage())).
- build();
- } catch (IllegalStateException e) {
- logger.debug("{}: cannot get encoder filters for policy-controller {} because of {}",
- this, controllerName, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(controllerName + " is not accepting the request")).build();
- }
-
- return Response.status(Response.Status.OK).
- entity(encoders).
- build();
- }
-
- @GET
- @Path("engine/topics")
- @ApiOperation(
- value="Retrieves the managed topics",
- notes="Network Topics Aggregation",
- response=TopicEndpoint.class
- )
- public Response topics() {
- return Response.status(Response.Status.OK).
- entity(TopicEndpoint.manager).
- build();
- }
-
- @GET
- @Path("engine/topics/switches")
- @ApiOperation(
- value="Topics Control Switches",
- notes="List of the Topic Control Switches",
- responseContainer="List"
- )
- public Response topicSwitches() {
- return Response.status(Response.Status.OK).
- entity(Arrays.asList(Switches.values())).
- build();
- }
-
- @PUT
- @Path("engine/topics/switches/lock")
- @ApiOperation(
- value="Locks all the managed topics",
- notes="The operation affects all managed sources and sinks",
- response=TopicEndpoint.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response topicsLock() {
- boolean success = TopicEndpoint.manager.lock();
- if (success)
- return Response.status(Status.OK).
- entity(TopicEndpoint.manager).
- build();
- else
- return Response.status(Status.NOT_ACCEPTABLE).
- entity(new Error("cannot perform operation")).
- build();
- }
-
- @DELETE
- @Path("engine/topics/switches/lock")
- @ApiOperation(
- value="Unlocks all the managed topics",
- notes="The operation affects all managed sources and sinks",
- response=TopicEndpoint.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response topicsUnlock() {
- boolean success = TopicEndpoint.manager.unlock();
- if (success)
- return Response.status(Status.OK).
- entity(TopicEndpoint.manager).
- build();
- else
- return Response.status(Status.NOT_ACCEPTABLE).
- entity(new Error("cannot perform operation")).
- build();
- }
-
- @GET
- @Path("engine/topics/sources")
- @ApiOperation(
- value="Retrieves the managed topic sources",
- notes="Network Topic Sources Agregation",
- responseContainer="List",
- response=TopicSource.class
- )
- public Response sources() {
- return Response.status(Response.Status.OK).
- entity(TopicEndpoint.manager.getTopicSources()).
- build();
- }
-
- @GET
- @Path("engine/topics/sinks")
- @ApiOperation(
- value="Retrieves the managed topic sinks",
- notes="Network Topic Sinks Agregation",
- responseContainer="List",
- response=TopicSink.class
- )
- public Response sinks() {
- return Response.status(Response.Status.OK).
- entity(TopicEndpoint.manager.getTopicSinks()).
- build();
- }
-
- @GET
- @Path("engine/topics/sources/ueb")
- @ApiOperation(
- value="Retrieves the UEB managed topic sources",
- notes="UEB Topic Sources Agregation",
- responseContainer="List",
- response=UebTopicSource.class
- )
- public Response uebSources() {
- return Response.status(Response.Status.OK).
- entity(TopicEndpoint.manager.getUebTopicSources()).
- build();
- }
-
- @GET
- @Path("engine/topics/sinks/ueb")
- @ApiOperation(
- value="Retrieves the UEB managed topic sinks",
- notes="UEB Topic Sinks Agregation",
- responseContainer="List",
- response=UebTopicSource.class
- )
- public Response uebSinks() {
- return Response.status(Response.Status.OK).
- entity(TopicEndpoint.manager.getUebTopicSinks()).
- build();
- }
-
- @GET
- @Path("engine/topics/sources/dmaap")
- @ApiOperation(
- value="Retrieves the DMaaP managed topic sources",
- notes="DMaaP Topic Sources Agregation",
- responseContainer="List",
- response=DmaapTopicSource.class
- )
- public Response dmaapSources() {
- return Response.status(Response.Status.OK).
- entity(TopicEndpoint.manager.getDmaapTopicSources()).
- build();
- }
-
- @GET
- @Path("engine/topics/sinks/dmaap")
- @ApiOperation(
- value="Retrieves the DMaaP managed topic sinks",
- notes="DMaaP Topic Sinks Agregation",
- responseContainer="List",
- response=DmaapTopicSink.class
- )
- public Response dmaapSinks() {
- return Response.status(Response.Status.OK).
- entity(TopicEndpoint.manager.getDmaapTopicSinks()).
- build();
- }
-
- @GET
- @Path("engine/topics/sources/ueb/{topic}")
- @ApiOperation(
- value="Retrieves an UEB managed topic source",
- notes="This is an UEB Network Communicaton Endpoint source of messages for the Engine",
- response=UebTopicSource.class
- )
- public Response uebSourceTopic(@ApiParam(value="Topic Name", required=true)
- @PathParam("topic") String topic) {
- return Response.status(Response.Status.OK).
- entity(TopicEndpoint.manager.getUebTopicSource(topic)).
- build();
+ @GET
+ @Path("engine")
+ @ApiOperation(value = "Retrieves the Engine Operational Status",
+ notes = "Top-level abstraction. Provides a global view of resources",
+ response = PolicyEngine.class)
+ public Response engine() {
+ return Response.status(Response.Status.OK).entity(PolicyEngine.manager).build();
+ }
+
+ @DELETE
+ @Path("engine")
+ @ApiOperation(value = "Shuts down the Engine",
+ notes = "Deleting the engine, the top-level abstraction, equivalenty shuts it down",
+ response = PolicyEngine.class)
+ public Response engineShutdown() {
+ try {
+ PolicyEngine.manager.shutdown();
+ } catch (final IllegalStateException e) {
+ logger.error("{}: cannot shutdown {} because of {}", this, PolicyEngine.manager,
+ e.getMessage(), e);
+ return Response.status(Response.Status.BAD_REQUEST).entity(PolicyEngine.manager).build();
}
-
- @GET
- @Path("engine/topics/sinks/ueb/{topic}")
- @ApiOperation(
- value="Retrieves an UEB managed topic sink",
- notes="This is an UEB Network Communicaton Endpoint destination of messages from the Engine",
- response=UebTopicSink.class
- )
- public Response uebSinkTopic(@ApiParam(value="Topic Name", required=true)
- @PathParam("topic") String topic) {
- return Response.status(Response.Status.OK).
- entity(TopicEndpoint.manager.getUebTopicSink(topic)).
- build();
+
+ return Response.status(Response.Status.OK).entity(PolicyEngine.manager).build();
+ }
+
+ @GET
+ @Path("engine/features")
+ @ApiOperation(value = "Engine Features",
+ notes = "Provides the list of loaded features using the PolicyEngineFeatureAPI",
+ responseContainer = "List")
+ public Response engineFeatures() {
+ return Response.status(Response.Status.OK).entity(PolicyEngine.manager.getFeatures()).build();
+ }
+
+ @GET
+ @Path("engine/features/inventory")
+ @ApiOperation(value = "Engine Detailed Feature Inventory",
+ notes = "Provides detailed list of loaded features using the PolicyEngineFeatureAPI",
+ responseContainer = "List", response = PolicyEngineFeatureAPI.class)
+ public Response engineFeaturesInventory() {
+ return Response.status(Response.Status.OK).entity(PolicyEngine.manager.getFeatureProviders())
+ .build();
+ }
+
+ @GET
+ @Path("engine/features/{featureName}")
+ @ApiOperation(value = "Engine Feature",
+ notes = "Provides Details for a given feature Engine Provider",
+ response = PolicyEngineFeatureAPI.class)
+ @ApiResponses(value = {@ApiResponse(code = 404, message = "The feature cannot be found")})
+ public Response engineFeature(@ApiParam(value = "Feature Name",
+ required = true) @PathParam("featureName") String featureName) {
+ try {
+ return Response.status(Response.Status.OK)
+ .entity(PolicyEngine.manager.getFeatureProvider(featureName)).build();
+ } catch (final IllegalArgumentException iae) {
+ logger.debug("feature unavailable: {}", featureName, iae);
+ return Response.status(Response.Status.NOT_FOUND).entity(new Error(iae.getMessage())).build();
+ }
+ }
+
+ @GET
+ @Path("engine/inputs")
+ @ApiOperation(value = "Engine Input Ports", notes = "List of input ports",
+ responseContainer = "List")
+ public Response engineInputs() {
+ return Response.status(Response.Status.OK).entity(Arrays.asList(Inputs.values())).build();
+ }
+
+ @POST
+ @Path("engine/inputs/configuration")
+ @ApiOperation(value = "Engine Input Configuration Requests",
+ notes = "Feeds a configuration request input into the Engine")
+ @ApiResponses(
+ value = {@ApiResponse(code = 406, message = "The configuration request cannot be honored")})
+ public Response engineUpdate(@ApiParam(value = "Configuration to apply",
+ required = true) PdpdConfiguration configuration) {
+ final PolicyController controller = null;
+ boolean success = true;
+ try {
+ success = PolicyEngine.manager.configure(configuration);
+ } catch (final Exception e) {
+ success = false;
+ logger.info("{}: cannot configure {} because of {}", this, PolicyEngine.manager,
+ e.getMessage(), e);
}
-
- @GET
- @Path("engine/topics/sources/dmaap/{topic}")
- @ApiOperation(
- value="Retrieves a DMaaP managed topic source",
- notes="This is a DMaaP Network Communicaton Endpoint source of messages for the Engine",
- response=DmaapTopicSource.class
- )
- public Response dmaapSourceTopic(@ApiParam(value="Topic Name", required=true)
- @PathParam("topic") String topic) {
- return Response.status(Response.Status.OK).
- entity(TopicEndpoint.manager.getDmaapTopicSource(topic)).
- build();
+
+ if (!success)
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(new Error("cannot perform operation")).build();
+ else
+ return Response.status(Response.Status.OK).entity(controller).build();
+ }
+
+ @GET
+ @Path("engine/properties")
+ @ApiOperation(value = "Engine Configuration Properties",
+ notes = "Used for booststrapping the engine", response = Properties.class)
+ public Response engineProperties() {
+ return Response.status(Response.Status.OK).entity(PolicyEngine.manager.getProperties()).build();
+ }
+
+ @GET
+ @Path("engine/environment")
+ @ApiOperation(value = "Engine Environment Properties",
+ notes = "Installation and OS environment properties used by the engine",
+ response = Properties.class)
+ public Response engineEnvironment() {
+ return Response.status(Response.Status.OK).entity(PolicyEngine.manager.getEnvironment())
+ .build();
+ }
+
+ @GET
+ @Path("engine/environment/{envProperty}")
+ @Consumes(MediaType.TEXT_PLAIN)
+ @ApiOperation(value = "Gets an environment variable", response = String.class)
+ public Response engineEnvironment(@ApiParam(value = "Environment Property",
+ required = true) @PathParam("envProperty") String envProperty) {
+ return Response.status(Response.Status.OK)
+ .entity(PolicyEngine.manager.getEnvironmentProperty(envProperty)).build();
+ }
+
+ @PUT
+ @Path("engine/environment/{envProperty}")
+ @Consumes(MediaType.TEXT_PLAIN)
+ @Produces(MediaType.TEXT_PLAIN)
+ @ApiOperation(value = "Adds a new environment value to the engine", response = String.class)
+ public Response engineEnvironmentAdd(
+ @ApiParam(value = "Environment Property",
+ required = true) @PathParam("envProperty") String envProperty,
+ @ApiParam(value = "Environment Value", required = true) String envValue) {
+ final String previousValue = PolicyEngine.manager.setEnvironmentProperty(envProperty, envValue);
+ return Response.status(Response.Status.OK).entity(previousValue).build();
+ }
+
+ @GET
+ @Path("engine/switches")
+ @ApiOperation(value = "Engine Control Switches", notes = "List of the Engine Control Switches",
+ responseContainer = "List")
+ public Response engineSwitches() {
+ return Response.status(Response.Status.OK).entity(Arrays.asList(Switches.values())).build();
+ }
+
+ @PUT
+ @Path("engine/switches/activation")
+ @ApiOperation(value = "Switches on the Engine Activation Switch",
+ notes = "Turns on Activation Switch on the Engine. This order entails that the engine "
+ + "and controllers are unlocked and started",
+ response = PolicyEngine.class)
+ public Response engineActivation() {
+ boolean success = true;
+ try {
+ PolicyEngine.manager.activate();
+ } catch (final Exception e) {
+ success = false;
+ logger.info("{}: cannot activate {} because of {}", this, PolicyEngine.manager,
+ e.getMessage(), e);
}
-
- @GET
- @Path("engine/topics/sinks/dmaap/{topic}")
- @ApiOperation(
- value="Retrieves a DMaaP managed topic sink",
- notes="This is a DMaaP Network Communicaton Endpoint destination of messages from the Engine",
- response=DmaapTopicSink.class
- )
- public Response dmaapSinkTopic(@ApiParam(value="Topic Name", required=true)
- @PathParam("topic") String topic) {
- return Response.status(Response.Status.OK).
- entity(TopicEndpoint.manager.getDmaapTopicSink(topic)).
- build();
+
+ if (!success)
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(new Error("cannot perform operation")).build();
+ else
+ return Response.status(Response.Status.OK).entity(PolicyEngine.manager).build();
+ }
+
+ @DELETE
+ @Path("engine/switches/activation")
+ @ApiOperation(value = "Switches off Engine Activation Switch",
+ notes = "Turns off the Activation Switch on the Engine. This order entails that the engine "
+ + "and controllers are locked (with the exception of those resources defined as unmanaged)",
+ response = PolicyEngine.class)
+ public Response engineDeactivation() {
+ boolean success = true;
+ try {
+ PolicyEngine.manager.deactivate();
+ } catch (final Exception e) {
+ success = false;
+ logger.info("{}: cannot deactivate {} because of {}", this, PolicyEngine.manager,
+ e.getMessage(), e);
}
-
- @GET
- @Path("engine/topics/sources/ueb/{topic}/events")
- @ApiOperation(
- value="Retrieves the latest events received by an UEB topic",
- notes="This is a UEB Network Communicaton Endpoint source of messages for the Engine",
- responseContainer="List"
- )
- public Response uebSourceEvents(@ApiParam(value="Topic Name", required=true)
- @PathParam("topic") String topic) {
- return Response.status(Status.OK).
- entity(Arrays.asList(TopicEndpoint.manager.getUebTopicSource(topic).getRecentEvents())).
- build();
+
+ if (!success)
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(new Error("cannot perform operation")).build();
+ else
+ return Response.status(Response.Status.OK).entity(PolicyEngine.manager).build();
+ }
+
+ @PUT
+ @Path("engine/switches/lock")
+ @ApiOperation(value = "Switches on the Engine Lock Control",
+ notes = "This switch locks all the engine resources as a whole, except those that are defined unmanaged",
+ response = PolicyEngine.class)
+ @ApiResponses(value = {
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response engineLock() {
+ final boolean success = PolicyEngine.manager.lock();
+ if (success)
+ return Response.status(Status.OK).entity(PolicyEngine.manager).build();
+ else
+ return Response.status(Status.NOT_ACCEPTABLE).entity(new Error("cannot perform operation"))
+ .build();
+ }
+
+ @DELETE
+ @Path("engine/switches/lock")
+ @ApiOperation(value = "Switches off the Lock control",
+ notes = "This switch locks all the engine resources as a whole, except those that are defined unmanaged",
+ response = PolicyEngine.class)
+ @ApiResponses(value = {
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response engineUnlock() {
+ final boolean success = PolicyEngine.manager.unlock();
+ if (success)
+ return Response.status(Status.OK).entity(PolicyEngine.manager).build();
+ else
+ return Response.status(Status.NOT_ACCEPTABLE).entity(new Error("cannot perform operation"))
+ .build();
+ }
+
+ @GET
+ @Path("engine/controllers")
+ @ApiOperation(value = "Lists the Policy Controllers Names",
+ notes = "Unique Policy Controller Identifiers", responseContainer = "List")
+ public Response controllers() {
+ return Response.status(Response.Status.OK).entity(PolicyEngine.manager.getPolicyControllerIds())
+ .build();
+ }
+
+ @GET
+ @Path("engine/controllers/inventory")
+ @ApiOperation(value = "Lists the Policy Controllers",
+ notes = "Detailed list of Policy Controllers", responseContainer = "List",
+ response = PolicyController.class)
+ public Response controllerInventory() {
+ return Response.status(Response.Status.OK).entity(PolicyEngine.manager.getPolicyControllers())
+ .build();
+ }
+
+ @POST
+ @Path("engine/controllers")
+ @ApiOperation(value = "Creates and starts a new Policy Controller",
+ notes = "Controller creation based on properties", response = PolicyController.class)
+ @ApiResponses(value = {
+ @ApiResponse(code = 400, message = "Invalid configuration information has been provided"),
+ @ApiResponse(code = 304, message = "The controller already exists"),
+ @ApiResponse(code = 406,
+ message = "The administrative state of the system prevents it "
+ + "from processing this request"),
+ @ApiResponse(code = 206,
+ message = "The controller has been created " + "but cannot be started"),
+ @ApiResponse(code = 201,
+ message = "The controller has been succesfully created and started")})
+ public Response controllerAdd(
+ @ApiParam(value = "Configuration Properties to apply", required = true) Properties config) {
+ if (config == null)
+ return Response.status(Response.Status.BAD_REQUEST)
+ .entity(new Error("A configuration must be provided")).build();
+
+ final String controllerName = config.getProperty(PolicyProperties.PROPERTY_CONTROLLER_NAME);
+ if (controllerName == null || controllerName.isEmpty())
+ return Response.status(Response.Status.BAD_REQUEST)
+ .entity(new Error(
+ "Configuration must have an entry for " + PolicyProperties.PROPERTY_CONTROLLER_NAME))
+ .build();
+
+ PolicyController controller;
+ try {
+ controller = PolicyController.factory.get(controllerName);
+ if (controller != null)
+ return Response.status(Response.Status.NOT_MODIFIED).entity(controller).build();
+ } catch (final IllegalArgumentException e) {
+ // This is OK
+ } catch (final IllegalStateException e) {
+ logger.info("{}: cannot get policy-controller because of {}", this, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(new Error(controllerName + " not found")).build();
}
-
- @GET
- @Path("engine/topics/sinks/ueb/{topic}/events")
- @ApiOperation(
- value="Retrieves the latest events sent from a topic",
- notes="This is a UEB Network Communicaton Endpoint sink of messages from the Engine",
- responseContainer="List"
- )
- public Response uebSinkEvents(@ApiParam(value="Topic Name", required=true)
- @PathParam("topic") String topic) {
- return Response.status(Status.OK).
- entity(Arrays.asList(TopicEndpoint.manager.getUebTopicSink(topic).getRecentEvents())).
- build();
+
+ try {
+ controller = PolicyEngine.manager.createPolicyController(
+ config.getProperty(PolicyProperties.PROPERTY_CONTROLLER_NAME), config);
+ } catch (IllegalArgumentException | IllegalStateException e) {
+ logger.warn("{}: cannot create policy-controller because of {}", this, e.getMessage(), e);
+ return Response.status(Response.Status.BAD_REQUEST).entity(new Error(e.getMessage())).build();
}
-
- @GET
- @Path("engine/topics/sources/dmaap/{topic}/events")
- @ApiOperation(
- value="Retrieves the latest events received by a DMaaP topic",
- notes="This is a DMaaP Network Communicaton Endpoint source of messages for the Engine",
- responseContainer="List"
- )
- public Response dmaapSourceEvents(@ApiParam(value="Topic Name", required=true)
- @PathParam("topic") String topic) {
- return Response.status(Status.OK).
- entity(Arrays.asList(TopicEndpoint.manager.getDmaapTopicSource(topic).getRecentEvents())).
- build();
+
+ try {
+ final boolean success = controller.start();
+ if (!success) {
+ logger.info("{}: cannot start {}", this, controller);
+ return Response.status(Response.Status.PARTIAL_CONTENT)
+ .entity(new Error(controllerName + " can't be started")).build();
+ }
+ } catch (final IllegalStateException e) {
+ logger.info("{}: cannot start {} because of {}", this, controller, e.getMessage(), e);;
+ return Response.status(Response.Status.PARTIAL_CONTENT).entity(controller).build();
}
-
- @GET
- @Path("engine/topics/sinks/dmaap/{topic}/events")
- @ApiOperation(
- value="Retrieves the latest events send through a DMaaP topic",
- notes="This is a DMaaP Network Communicaton Endpoint destination of messages from the Engine",
- responseContainer="List"
- )
- public Response dmaapSinkEvents(
- @PathParam("topic") String topic) {
- return Response.status(Status.OK).
- entity(Arrays.asList(TopicEndpoint.manager.getDmaapTopicSink(topic).getRecentEvents())).
- build();
+
+ return Response.status(Response.Status.CREATED).entity(controller).build();
+ }
+
+ @GET
+ @Path("engine/controllers/features")
+ @ApiOperation(value = "Lists of Feature Providers Identifiers",
+ notes = "Unique Policy Controller Identifiers", responseContainer = "List")
+ public Response controllerFeatures() {
+ return Response.status(Response.Status.OK).entity(PolicyEngine.manager.getFeatures()).build();
+ }
+
+ @GET
+ @Path("engine/controllers/features/inventory")
+ @ApiOperation(value = "Detailed Controllers Feature Inventory",
+ notes = "Provides detailed list of loaded features using the PolicyControllerFeatureAPI",
+ responseContainer = "List", response = PolicyControllerFeatureAPI.class)
+ public Response controllerFeaturesInventory() {
+ return Response.status(Response.Status.OK)
+ .entity(PolicyController.factory.getFeatureProviders()).build();
+ }
+
+ @GET
+ @Path("engine/controllers/features/{featureName}")
+ @ApiOperation(value = "Controller Feature",
+ notes = "Provides Details for a given Policy Controller feature provider",
+ response = PolicyControllerFeatureAPI.class)
+ @ApiResponses(value = {@ApiResponse(code = 404, message = "The feature cannot be found")})
+ public Response controllerFeature(@ApiParam(value = "Feature Name",
+ required = true) @PathParam("featureName") String featureName) {
+ try {
+ return Response.status(Response.Status.OK)
+ .entity(PolicyController.factory.getFeatureProvider(featureName)).build();
+ } catch (final IllegalArgumentException iae) {
+ logger.debug("{}: cannot feature {} because of {}", this, featureName, iae.getMessage(), iae);
+ return Response.status(Response.Status.NOT_FOUND).entity(new Error(iae.getMessage())).build();
+ }
+ }
+
+ @GET
+ @Path("engine/controllers/{controller}")
+ @ApiOperation(value = "Retrieves a Policy Controller",
+ notes = "A Policy Controller is a concrete drools application abstraction. "
+ + "It aggregates networking, drools, and other resources,"
+ + "as provides operational controls over drools applications",
+ response = PolicyController.class)
+ @ApiResponses(value = {@ApiResponse(code = 404, message = "The controller cannot be found"),
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response controller(@ApiParam(value = "Policy Controller Name",
+ required = true) @PathParam("controller") String controllerName) {
+ try {
+ return Response.status(Response.Status.OK)
+ .entity(PolicyController.factory.get(controllerName)).build();
+ } catch (final IllegalArgumentException e) {
+ logger.debug("{}: cannot get policy-controller {} because of {}", this, controllerName,
+ e.getMessage(), e);
+ return Response.status(Response.Status.NOT_FOUND)
+ .entity(new Error(controllerName + " not found")).build();
+ } catch (final IllegalStateException e) {
+ logger.debug("{}: cannot get policy-controller {} because of {}", this, controllerName,
+ e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(new Error(controllerName + " not acceptable")).build();
+ }
+ }
+
+ @DELETE
+ @Path("engine/controllers/{controller}")
+ @ApiOperation(value = "Deletes a Policy Controller",
+ notes = "A Policy Controller is a concrete drools application abstraction. "
+ + "It aggregates networking, drools, and other resources,"
+ + "as provides operational controls over drools applications",
+ response = PolicyController.class)
+ @ApiResponses(value = {@ApiResponse(code = 404, message = "The controller cannot be found"),
+ @ApiResponse(code = 406,
+ message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled"),
+ @ApiResponse(code = 500,
+ message = "A problem has occurred while deleting the Policy Controller")})
+ public Response controllerDelete(@ApiParam(value = "Policy Controller Name",
+ required = true) @PathParam("controller") String controllerName) {
+
+ PolicyController controller;
+ try {
+ controller = PolicyController.factory.get(controllerName);
+ if (controller == null)
+ return Response.status(Response.Status.BAD_REQUEST)
+ .entity(new Error(controllerName + " does not exist")).build();
+ } catch (final IllegalArgumentException e) {
+ logger.debug("{}: cannot get policy-controller {} because of {}", this, controllerName,
+ e.getMessage(), e);
+ return Response.status(Response.Status.BAD_REQUEST)
+ .entity(new Error(controllerName + " not found: " + e.getMessage())).build();
+ } catch (final IllegalStateException e) {
+ logger.debug("{}: cannot get policy-controller {} because of {}", this, controllerName,
+ e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(new Error(controllerName + " not acceptable")).build();
}
-
- @GET
- @Path("engine/topics/sources/ueb/{topic}/switches")
- @ApiOperation(
- value="UEB Topic Control Switches",
- notes="List of the UEB Topic Control Switches",
- responseContainer="List"
- )
- public Response uebTopicSwitches() {
- return Response.status(Response.Status.OK).
- entity(Arrays.asList(Switches.values())).
- build();
+
+ try {
+ PolicyEngine.manager.removePolicyController(controllerName);
+ } catch (IllegalArgumentException | IllegalStateException e) {
+ logger.debug("{}: cannot remove policy-controller {} because of {}", this, controllerName,
+ e.getMessage(), e);
+ return Response.status(Response.Status.INTERNAL_SERVER_ERROR)
+ .entity(new Error(e.getMessage())).build();
}
-
- @PUT
- @Path("engine/topics/sources/ueb/{topic}/switches/lock")
- @ApiOperation(
- value="Locks an UEB Source topic",
- response=UebTopicSource.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response uebTopicLock(@ApiParam(value="Topic Name", required=true)
- @PathParam("topic") String topic) {
- UebTopicSource source = TopicEndpoint.manager.getUebTopicSource(topic);
- boolean success = source.lock();
- if (success)
- return Response.status(Status.OK).
- entity(source).
- build();
- else
- return Response.status(Status.NOT_ACCEPTABLE).
- entity(new Error("cannot perform operation on " + topic)).
- build();
+
+ return Response.status(Response.Status.OK).entity(controller).build();
+ }
+
+ @GET
+ @Path("engine/controllers/{controller}/properties")
+ @ApiOperation(value = "Retrieves the configuration properties of a Policy Controller",
+ notes = "Configuration resources used by the controller if Properties format",
+ response = PolicyController.class)
+ @ApiResponses(value = {@ApiResponse(code = 404, message = "The controller cannot be found"),
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response controllerProperties(@ApiParam(value = "Policy Controller Name",
+ required = true) @PathParam("controller") String controllerName) {
+ try {
+ final PolicyController controller = PolicyController.factory.get(controllerName);
+ return Response.status(Response.Status.OK).entity(controller.getProperties()).build();
+ } catch (final IllegalArgumentException e) {
+ logger.debug("{}: cannot get policy-controller {} because of {}", this, controllerName,
+ e.getMessage(), e);
+ return Response.status(Response.Status.NOT_FOUND)
+ .entity(new Error(controllerName + " not found")).build();
+ } catch (final IllegalStateException e) {
+ logger.debug("{}: cannot get policy-controller {} because of {}", this, controllerName,
+ e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(new Error(controllerName + " not acceptable")).build();
+ }
+ }
+
+ @GET
+ @Path("engine/controllers/{controller}/inputs")
+ @ApiOperation(value = "Policy Controller Input Ports", notes = "List of input ports",
+ responseContainer = "List")
+ public Response controllerInputs() {
+ return Response.status(Response.Status.OK).entity(Arrays.asList(Inputs.values())).build();
+ }
+
+ @POST
+ @Path("engine/controllers/{controller}/inputs/configuration")
+ @ApiOperation(value = "Policy Controller Input Configuration Requests",
+ notes = "Feeds a configuration request input into the given Policy Controller")
+ @ApiResponses(value = {@ApiResponse(code = 400, message = "The configuration request is invalid"),
+ @ApiResponse(code = 406, message = "The configuration request cannot be honored")})
+ public Response controllerUpdate(
+ @ApiParam(value = "Policy Controller Name",
+ required = true) @PathParam("controller") String controllerName,
+ @ApiParam(value = "Configuration to apply",
+ required = true) ControllerConfiguration controllerConfiguration) {
+
+ if (controllerName == null || controllerName.isEmpty() || controllerConfiguration == null
+ || controllerConfiguration.getName().intern() != controllerName)
+ return Response.status(Response.Status.BAD_REQUEST)
+ .entity("A valid or matching controller names must be provided").build();
+
+ PolicyController controller;
+ try {
+ controller = PolicyEngine.manager.updatePolicyController(controllerConfiguration);
+ if (controller == null)
+ return Response.status(Response.Status.BAD_REQUEST)
+ .entity(new Error(controllerName + " does not exist")).build();
+ } catch (final IllegalArgumentException e) {
+ logger.info("{}: cannot update policy-controller {} because of {}", this, controllerName,
+ e.getMessage(), e);
+ return Response.status(Response.Status.BAD_REQUEST)
+ .entity(new Error(controllerName + " not found: " + e.getMessage())).build();
+ } catch (final Exception e) {
+ logger.info("{}: cannot update policy-controller {} because of {}", this, controllerName,
+ e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(new Error(controllerName + " not acceptable")).build();
}
-
- @DELETE
- @Path("engine/topics/sources/ueb/{topic}/switches/lock")
- @ApiOperation(
- value="Unlocks an UEB Source topic",
- response=UebTopicSource.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response uebTopicUnlock(@ApiParam(value="Topic Name", required=true)
- @PathParam("topic") String topic) {
- UebTopicSource source = TopicEndpoint.manager.getUebTopicSource(topic);
- boolean success = source.unlock();
- if (success)
- return Response.status(Status.OK).
- entity(source).
- build();
- else
- return Response.status(Status.NOT_ACCEPTABLE).
- entity(new Error("cannot perform operation on " + topic)).
- build();
+
+ return Response.status(Response.Status.OK).entity(controller).build();
+ }
+
+ @GET
+ @Path("engine/controllers/{controller}/switches")
+ @ApiOperation(value = "Policy Controller Switches",
+ notes = "List of the Policy Controller Switches", responseContainer = "List")
+ public Response controllerSwitches() {
+ return Response.status(Response.Status.OK).entity(Arrays.asList(Switches.values())).build();
+ }
+
+ @PUT
+ @Path("engine/controllers/{controller}/switches/lock")
+ @ApiOperation(value = "Switches on the Policy Controller Lock Control",
+ notes = "This action on the switch locks the Policy Controller",
+ response = PolicyController.class)
+ @ApiResponses(value = {
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response controllerLock(@ApiParam(value = "Policy Controller Name",
+ required = true) @PathParam("controller") String controllerName) {
+ final PolicyController policyController = PolicyController.factory.get(controllerName);
+ final boolean success = policyController.lock();
+ if (success)
+ return Response.status(Status.OK).entity(policyController).build();
+ else
+ return Response.status(Status.NOT_ACCEPTABLE)
+ .entity(new Error("Controller " + controllerName + " cannot be locked")).build();
+ }
+
+ @DELETE
+ @Path("engine/controllers/{controller}/switches/lock")
+ @ApiOperation(value = "Switches off the Policy Controller Lock Control",
+ notes = "This action on the switch unlocks the Policy Controller",
+ response = PolicyController.class)
+ @ApiResponses(value = {
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response controllerUnlock(@ApiParam(value = "Policy Controller Name",
+ required = true) @PathParam("controller") String controllerName) {
+ final PolicyController policyController = PolicyController.factory.get(controllerName);
+ final boolean success = policyController.unlock();
+ if (success)
+ return Response.status(Status.OK).entity(policyController).build();
+ else
+ return Response.status(Status.NOT_ACCEPTABLE)
+ .entity(new Error("Controller " + controllerName + " cannot be unlocked")).build();
+ }
+
+ @GET
+ @Path("engine/controllers/{controller}/drools")
+ @ApiOperation(value = "Retrieves the Drools Controller subcomponent of the Policy Controller",
+ notes = "The Drools Controller provides an abstraction over the Drools subsystem",
+ response = DroolsController.class)
+ @ApiResponses(value = {@ApiResponse(code = 404, message = "The controller cannot be found"),
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response drools(@ApiParam(value = "Policy Controller Name",
+ required = true) @PathParam("controller") String controllerName) {
+ try {
+ final DroolsController drools = this.getDroolsController(controllerName);
+ return Response.status(Response.Status.OK).entity(drools).build();
+ } catch (final IllegalArgumentException e) {
+ logger.debug("{}: cannot get drools-controller {} because of {}", this, controllerName,
+ e.getMessage(), e);
+ return Response.status(Response.Status.NOT_FOUND)
+ .entity(new Error(controllerName + " not found")).build();
+ } catch (final IllegalStateException e) {
+ logger.debug("{}: cannot get drools-controller {} because of {}", this, controllerName,
+ e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(new Error(controllerName + " not acceptable")).build();
+ }
+ }
+
+ @GET
+ @Path("engine/controllers/{controller}/drools/facts")
+ @ApiOperation(value = "Retrieves Facts Summary information for a given controller",
+ notes = "Provides the session names, and a count of fact object in the drools working memory",
+ responseContainer = "Map")
+ @ApiResponses(value = {@ApiResponse(code = 404, message = "The controller cannot be found"),
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response droolsFacts(@ApiParam(value = "Policy Controller Name",
+ required = true) @PathParam("controller") String controllerName) {
+ try {
+ final Map<String, Long> sessionCounts = new HashMap<>();
+ final DroolsController drools = this.getDroolsController(controllerName);
+ for (final String session : drools.getSessionNames()) {
+ sessionCounts.put(session, drools.factCount(session));
+ }
+ return Response.status(Response.Status.OK).entity(sessionCounts).build();
+ } catch (final IllegalArgumentException e) {
+ logger.debug("{}: cannot get policy-controller {} because of {}", this, controllerName,
+ e.getMessage(), e);
+ return Response.status(Response.Status.NOT_FOUND)
+ .entity(new Error(controllerName + " not found")).build();
+ } catch (final IllegalStateException e) {
+ logger.debug("{}: cannot get policy-controller {} because of {}", this, controllerName,
+ e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(new Error(controllerName + " not acceptable")).build();
+ }
+ }
+
+ @GET
+ @Path("engine/controllers/{controller}/drools/facts/{session}")
+ @ApiOperation(value = "Retrieves Fact Types (classnames) for a given controller and its count",
+ notes = "The fact types are the classnames of the objects inserted in the drools working memory",
+ responseContainer = "Map")
+ @ApiResponses(
+ value = {@ApiResponse(code = 404, message = "The controller or session cannot be found"),
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response droolsFacts(
+ @ApiParam(value = "Policy Controller Name",
+ required = true) @PathParam("controller") String controllerName,
+ @ApiParam(value = "Drools Session Name",
+ required = true) @PathParam("session") String sessionName) {
+ try {
+ final DroolsController drools = this.getDroolsController(controllerName);
+ return Response.status(Response.Status.OK).entity(drools.factClassNames(sessionName)).build();
+ } catch (final IllegalArgumentException e) {
+ logger.debug("{}: cannot get drools-controller {} because of {}", this, controllerName,
+ e.getMessage(), e);
+ return Response.status(Response.Status.NOT_FOUND).entity(new Error("entity not found"))
+ .build();
+ } catch (final IllegalStateException e) {
+ logger.debug("{}: cannot get drools-controller {} because of {}", this, controllerName,
+ e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(new Error(controllerName + ":" + sessionName + " not acceptable")).build();
+ }
+ }
+
+ @GET
+ @Path("engine/controllers/{controller}/drools/facts/{session}/{factType}")
+ @ApiOperation(
+ value = "Retrieves fact objects of a given type in the drools working memory"
+ + "for a given controller and session",
+ notes = "The fact types are the classnames of the objects inserted in the drools working memory",
+ responseContainer = "List")
+ @ApiResponses(value = {
+ @ApiResponse(code = 404, message = "The controller, session, or fact type cannot be found"),
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response droolsFacts(
+ @ApiParam(value = "Fact count",
+ required = false) @DefaultValue("false") @QueryParam("count") boolean count,
+ @ApiParam(value = "Policy Controller Name",
+ required = true) @PathParam("controller") String controllerName,
+ @ApiParam(value = "Drools Session Name",
+ required = true) @PathParam("session") String sessionName,
+ @ApiParam(value = "Drools Fact Type",
+ required = true) @PathParam("factType") String factType) {
+ try {
+ final DroolsController drools = this.getDroolsController(controllerName);
+ final List<Object> facts = drools.facts(sessionName, factType, false);
+ if (!count)
+ return Response.status(Response.Status.OK).entity(facts).build();
+ else
+ return Response.status(Response.Status.OK).entity(facts.size()).build();
+ } catch (final IllegalArgumentException e) {
+ logger.debug("{}: cannot get policy-controller {} because of {}", this, controllerName,
+ e.getMessage(), e);
+ return Response.status(Response.Status.NOT_FOUND)
+ .entity(new Error(controllerName + ":" + sessionName + ":" + factType + " not found"))
+ .build();
+ } catch (final IllegalStateException e) {
+ logger.debug("{}: cannot get policy-controller {} because of {}", this, controllerName,
+ e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(
+ new Error(controllerName + ":" + sessionName + ":" + factType + " not acceptable"))
+ .build();
+ }
+ }
+
+ @DELETE
+ @Path("engine/controllers/{controller}/drools/facts/{session}/{factType}")
+ @ApiOperation(
+ value = "Deletes all the fact objects of a given type from the drools working memory"
+ + "for a given controller and session. The objects retracted from the working "
+ + "memory are provided in the response.",
+ notes = "The fact types are the classnames of the objects inserted in the drools working memory",
+ responseContainer = "List")
+ @ApiResponses(value = {
+ @ApiResponse(code = 404, message = "The controller, session, or fact type, cannot be found"),
+ @ApiResponse(code = 406,
+ message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled"),
+ @ApiResponse(code = 500, message = "A server error has occurred processing this request")})
+ public Response droolsFactsDelete(
+ @ApiParam(value = "Policy Controller Name",
+ required = true) @PathParam("controller") String controllerName,
+ @ApiParam(value = "Drools Session Name",
+ required = true) @PathParam("session") String sessionName,
+ @ApiParam(value = "Drools Fact Type",
+ required = true) @PathParam("factType") String factType) {
+ try {
+ final DroolsController drools = this.getDroolsController(controllerName);
+ final List<Object> facts = drools.facts(sessionName, factType, true);
+ return Response.status(Response.Status.OK).entity(facts).build();
+ } catch (final IllegalArgumentException e) {
+ logger.debug("{}: cannot get: drools-controller {}, session {}, factType {}, because of {}",
+ this, controllerName, sessionName, factType, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_FOUND)
+ .entity(new Error(controllerName + ":" + sessionName + ":" + factType + " not found"))
+ .build();
+ } catch (final IllegalStateException e) {
+ logger.debug("{}: cannot get: drools-controller {}, session {}, factType {}, because of {}",
+ this, controllerName, sessionName, factType, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(
+ new Error(controllerName + ":" + sessionName + ":" + factType + " not acceptable"))
+ .build();
+ } catch (final Exception e) {
+ logger.debug("{}: cannot get: drools-controller {}, session {}, factType {}, because of {}",
+ this, controllerName, sessionName, factType, e.getMessage(), e);
+ return Response.status(Response.Status.INTERNAL_SERVER_ERROR)
+ .entity(new Error(e.getMessage())).build();
+ }
+ }
+
+ @GET
+ @Path("engine/controllers/{controller}/drools/facts/{session}/{query}/{queriedEntity}")
+ @ApiOperation(
+ value = "Gets all the fact objects returned by a DRL query with no parameters from the drools working memory"
+ + "for a given controller and session",
+ notes = "The DRL query must be defined in the DRL file", responseContainer = "List")
+ @ApiResponses(value = {
+ @ApiResponse(code = 404,
+ message = "The controller, session, or query information, cannot be found"),
+ @ApiResponse(code = 406,
+ message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled"),
+ @ApiResponse(code = 500, message = "A server error has occurred processing this request")})
+ public Response droolsFacts(
+ @ApiParam(value = "Fact count",
+ required = false) @DefaultValue("false") @QueryParam("count") boolean count,
+ @ApiParam(value = "Policy Controller Name",
+ required = true) @PathParam("controller") String controllerName,
+ @ApiParam(value = "Drools Session Name",
+ required = true) @PathParam("session") String sessionName,
+ @ApiParam(value = "Query Name Present in DRL",
+ required = true) @PathParam("query") String queryName,
+ @ApiParam(value = "Query Identifier Present in the DRL Query",
+ required = true) @PathParam("queriedEntity") String queriedEntity) {
+ try {
+ final DroolsController drools = this.getDroolsController(controllerName);
+ final List<Object> facts = drools.factQuery(sessionName, queryName, queriedEntity, false);
+ if (!count)
+ return Response.status(Response.Status.OK).entity(facts).build();
+ else
+ return Response.status(Response.Status.OK).entity(facts.size()).build();
+ } catch (final IllegalArgumentException e) {
+ logger.debug(
+ "{}: cannot get: drools-controller {}, session {}, query {}, entity {} because of {}",
+ this, controllerName, sessionName, queryName, queriedEntity, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_FOUND)
+ .entity(new Error(
+ controllerName + ":" + sessionName + ":" + queryName + queriedEntity + " not found"))
+ .build();
+ } catch (final IllegalStateException e) {
+ logger.debug(
+ "{}: cannot get: drools-controller {}, session {}, query {}, entity {} because of {}",
+ this, controllerName, sessionName, queryName, queriedEntity, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE).entity(new Error(
+ controllerName + ":" + sessionName + ":" + queryName + queriedEntity + " not acceptable"))
+ .build();
+ } catch (final Exception e) {
+ logger.debug(
+ "{}: cannot get: drools-controller {}, session {}, query {}, entity {} because of {}",
+ this, controllerName, sessionName, queryName, queriedEntity, e.getMessage(), e);
+ return Response.status(Response.Status.INTERNAL_SERVER_ERROR)
+ .entity(new Error(e.getMessage())).build();
+ }
+ }
+
+ @POST
+ @Path("engine/controllers/{controller}/drools/facts/{session}/{query}/{queriedEntity}")
+ @ApiOperation(
+ value = "Gets all the fact objects returned by a DRL query with parameters from the drools working memory"
+ + "for a given controller and session",
+ notes = "The DRL query with parameters must be defined in the DRL file",
+ responseContainer = "List")
+ @ApiResponses(value = {
+ @ApiResponse(code = 404,
+ message = "The controller, session, or query information, cannot be found"),
+ @ApiResponse(code = 406,
+ message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled"),
+ @ApiResponse(code = 500, message = "A server error has occurred processing this request")})
+ public Response droolsFacts(
+ @ApiParam(value = "Policy Controller Name",
+ required = true) @PathParam("controller") String controllerName,
+ @ApiParam(value = "Drools Session Name",
+ required = true) @PathParam("session") String sessionName,
+ @ApiParam(value = "Query Name Present in DRL",
+ required = true) @PathParam("query") String queryName,
+ @ApiParam(value = "Query Identifier Present in the DRL Query",
+ required = true) @PathParam("queriedEntity") String queriedEntity,
+ @ApiParam(value = "Query Parameter Values to pass in the DRL Query",
+ required = false) List<Object> queryParameters) {
+ try {
+ final DroolsController drools = this.getDroolsController(controllerName);
+ List<Object> facts;
+ if (queryParameters == null || queryParameters.isEmpty())
+ facts = drools.factQuery(sessionName, queryName, queriedEntity, false);
+ else
+ facts = drools.factQuery(sessionName, queryName, queriedEntity, false,
+ queryParameters.toArray());
+ return Response.status(Response.Status.OK).entity(facts).build();
+ } catch (final IllegalArgumentException e) {
+ logger.debug(
+ "{}: cannot get: drools-controller {}, session {}, query {}, entity {}, params {} because of {}",
+ this, controllerName, sessionName, queryName, queriedEntity, queryParameters,
+ e.getMessage(), e);
+ return Response.status(Response.Status.NOT_FOUND)
+ .entity(new Error(
+ controllerName + ":" + sessionName + ":" + queryName + queriedEntity + " not found"))
+ .build();
+ } catch (final IllegalStateException e) {
+ logger.debug(
+ "{}: cannot get: drools-controller {}, session {}, query {}, entity {}, params {} because of {}",
+ this, controllerName, sessionName, queryName, queriedEntity, queryParameters,
+ e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE).entity(new Error(
+ controllerName + ":" + sessionName + ":" + queryName + queriedEntity + " not acceptable"))
+ .build();
+ } catch (final Exception e) {
+ logger.debug(
+ "{}: cannot get: drools-controller {}, session {}, query {}, entity {}, params {} because of {}",
+ this, controllerName, sessionName, queryName, queriedEntity, queryParameters,
+ e.getMessage(), e);
+ return Response.status(Response.Status.INTERNAL_SERVER_ERROR)
+ .entity(new Error(e.getMessage())).build();
+ }
+ }
+
+ @DELETE
+ @Path("engine/controllers/{controller}/drools/facts/{session}/{query}/{queriedEntity}")
+ @ApiOperation(
+ value = "Deletes all the fact objects returned by a DRL query with parameters from the drools working memory"
+ + "for a given controller and session",
+ notes = "The DRL query with parameters must be defined in the DRL file",
+ responseContainer = "List")
+ @ApiResponses(value = {
+ @ApiResponse(code = 404,
+ message = "The controller, session, or query information, cannot be found"),
+ @ApiResponse(code = 406,
+ message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled"),
+ @ApiResponse(code = 500, message = "A server error has occurred processing this request")})
+ public Response droolsFactsDelete(
+ @ApiParam(value = "Policy Controller Name",
+ required = true) @PathParam("controller") String controllerName,
+ @ApiParam(value = "Drools Session Name",
+ required = true) @PathParam("session") String sessionName,
+ @ApiParam(value = "Query Name Present in DRL",
+ required = true) @PathParam("query") String queryName,
+ @ApiParam(value = "Query Identifier Present in the DRL Query",
+ required = true) @PathParam("queriedEntity") String queriedEntity,
+ @ApiParam(value = "Query Parameter Values to pass in the DRL Query",
+ required = false) List<Object> queryParameters) {
+ try {
+ final DroolsController drools = this.getDroolsController(controllerName);
+ List<Object> facts;
+ if (queryParameters == null || queryParameters.isEmpty())
+ facts = drools.factQuery(sessionName, queryName, queriedEntity, true);
+ else
+ facts = drools.factQuery(sessionName, queryName, queriedEntity, true,
+ queryParameters.toArray());
+ return Response.status(Response.Status.OK).entity(facts).build();
+ } catch (final IllegalArgumentException e) {
+ logger.debug(
+ "{}: cannot get: drools-controller {}, session {}, query {}, entity {}, params {} because of {}",
+ this, controllerName, sessionName, queryName, queriedEntity, queryParameters,
+ e.getMessage(), e);
+ return Response.status(Response.Status.NOT_FOUND)
+ .entity(new Error(
+ controllerName + ":" + sessionName + ":" + queryName + queriedEntity + " not found"))
+ .build();
+ } catch (final IllegalStateException e) {
+ logger.debug(
+ "{}: cannot get: drools-controller {}, session {}, query {}, entity {}, params {} because of {}",
+ this, controllerName, sessionName, queryName, queriedEntity, queryParameters,
+ e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE).entity(new Error(
+ controllerName + ":" + sessionName + ":" + queryName + queriedEntity + " not acceptable"))
+ .build();
+ } catch (final Exception e) {
+ logger.debug(
+ "{}: cannot get: drools-controller {}, session {}, query {}, entity {}, params {} because of {}",
+ this, controllerName, sessionName, queryName, queriedEntity, queryParameters,
+ e.getMessage(), e);
+ return Response.status(Response.Status.INTERNAL_SERVER_ERROR)
+ .entity(new Error(e.getMessage())).build();
+ }
+ }
+
+ @POST
+ @Path("engine/controllers/tools/coders/decoders/filters/rules/{ruleName}")
+ @ApiOperation(
+ value = "Produces a Decoder Rule Filter in a format that the Policy Controller can understand",
+ notes = "The result can be used with other APIs to attach a filter to a decoder")
+ public Response rules(
+ @ApiParam(value = "Negate regex?",
+ required = true) @DefaultValue("false") @QueryParam("negate") boolean negate,
+ @ApiParam(value = "Rule Name", required = true) @PathParam("ruleName") String name,
+ @ApiParam(value = "Regex expression", required = true) String regex) {
+ String literalRegex = Pattern.quote(regex);
+ if (negate)
+ literalRegex = "^(?!" + literalRegex + "$).*";
+
+ return Response.status(Status.OK).entity(new JsonProtocolFilter.FilterRule(name, literalRegex))
+ .build();
+ }
+
+ @GET
+ @Path("engine/controllers/{controller}/decoders")
+ @ApiOperation(value = "Gets all the decoders used by a controller",
+ notes = "A Policy Controller uses decoders to deserialize incoming network messages from "
+ + "subscribed network topics into specific (fact) objects. "
+ + "The deserialized (fact) object will typically be inserted in the drools working "
+ + " memory of the controlled drools application.",
+ responseContainer = "List", response = ProtocolCoderToolset.class)
+ @ApiResponses(value = {@ApiResponse(code = 404, message = "The controller cannot be found"),
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response decoders(@ApiParam(value = "Policy Controller Name",
+ required = true) @PathParam("controller") String controllerName) {
+ try {
+ final DroolsController drools = this.getDroolsController(controllerName);
+ final List<ProtocolCoderToolset> decoders =
+ EventProtocolCoder.manager.getDecoders(drools.getGroupId(), drools.getArtifactId());
+ return Response.status(Response.Status.OK).entity(decoders).build();
+ } catch (final IllegalArgumentException e) {
+ logger.debug("{}: cannot get decoders for policy-controller {} because of {}", this,
+ controllerName, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_FOUND)
+ .entity(new Error(controllerName + " not found")).build();
+ } catch (final IllegalStateException e) {
+ logger.debug("{}: cannot get decoders for policy-controller {} because of {}", this,
+ controllerName, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(new Error(controllerName + " not acceptable")).build();
+ }
+ }
+
+ @GET
+ @Path("engine/controllers/{controller}/decoders/filters")
+ @ApiOperation(value = "Gets all the filters used by a controller",
+ notes = "A Policy Controller uses decoders to deserialize incoming network messages from "
+ + "subscribed network topics into specific (fact) objects. "
+ + "The deserialized (fact) object will typically be inserted in the drools working "
+ + " memory of the controlled drools application."
+ + "Acceptance filters are used to filter out undesired network messages for the given controller",
+ responseContainer = "List", response = CoderFilters.class)
+ @ApiResponses(value = {@ApiResponse(code = 404, message = "The controller cannot be found"),
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response decoderFilters(@ApiParam(value = "Policy Controller Name",
+ required = true) @PathParam("controller") String controllerName) {
+ try {
+ final DroolsController drools = this.getDroolsController(controllerName);
+ final List<CoderFilters> filters =
+ EventProtocolCoder.manager.getDecoderFilters(drools.getGroupId(), drools.getArtifactId());
+ return Response.status(Response.Status.OK).entity(filters).build();
+ } catch (final IllegalArgumentException e) {
+ logger.debug("{}: cannot get decoders for policy-controller {} because of {}", this,
+ controllerName, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_FOUND)
+ .entity(new Error(controllerName + " not found")).build();
+ } catch (final IllegalStateException e) {
+ logger.debug("{}: cannot get decoders for policy-controller {} because of {}", this,
+ controllerName, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(new Error(controllerName + " not acceptable")).build();
+ }
+ }
+
+ @GET
+ @Path("engine/controllers/{controller}/decoders/{topic}")
+ @ApiOperation(value = "Gets all the decoders in use by a controller for a networked topic",
+ notes = "A Policy Controller uses decoders to deserialize incoming network messages from "
+ + "subscribed network topics into specific (fact) objects. "
+ + "The deserialized (fact) object will typically be inserted in the drools working "
+ + " memory of the controlled drools application.",
+ responseContainer = "List", response = ProtocolCoderToolset.class)
+ @ApiResponses(
+ value = {@ApiResponse(code = 404, message = "The controller or topic cannot be found"),
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response decoder(
+ @ApiParam(value = "Policy Controller Name",
+ required = true) @PathParam("controller") String controllerName,
+ @ApiParam(value = "Networked Topic Name", required = true) @PathParam("topic") String topic) {
+ try {
+ final DroolsController drools = this.getDroolsController(controllerName);
+ final ProtocolCoderToolset decoder = EventProtocolCoder.manager
+ .getDecoders(drools.getGroupId(), drools.getArtifactId(), topic);
+ return Response.status(Response.Status.OK).entity(decoder).build();
+ } catch (final IllegalArgumentException e) {
+ logger.debug("{}: cannot get decoders for policy-controller {} topic {} because of {}", this,
+ controllerName, topic, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_FOUND)
+ .entity(new Error(controllerName + ":" + topic + " not found")).build();
+ } catch (final IllegalStateException e) {
+ logger.debug("{}: cannot get decoders for policy-controller {} topic {} because of {}", this,
+ controllerName, topic, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(new Error(controllerName + ":" + topic + " not acceptable")).build();
+ }
+ }
+
+ @GET
+ @Path("engine/controllers/{controller}/decoders/{topic}/filters")
+ @ApiOperation(
+ value = "Gets all filters attached to decoders for a given networked topic in use by a controller",
+ notes = "A Policy Controller uses decoders to deserialize incoming network messages from "
+ + "subscribed network topics into specific (fact) objects. "
+ + "The deserialized (fact) object will typically be inserted in the drools working "
+ + " memory of the controlled drools application."
+ + "Acceptance filters are used to filter out undesired network messages for the given controller",
+ responseContainer = "List", response = CoderFilters.class)
+ @ApiResponses(
+ value = {@ApiResponse(code = 404, message = "The controller or topic cannot be found"),
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response decoderFilter(
+ @ApiParam(value = "Policy Controller Name",
+ required = true) @PathParam("controller") String controllerName,
+ @ApiParam(value = "Networked Topic Name", required = true) @PathParam("topic") String topic) {
+ try {
+ final DroolsController drools = this.getDroolsController(controllerName);
+ final ProtocolCoderToolset decoder = EventProtocolCoder.manager
+ .getDecoders(drools.getGroupId(), drools.getArtifactId(), topic);
+ if (decoder == null)
+ return Response.status(Response.Status.BAD_REQUEST)
+ .entity(new Error(topic + " does not exist")).build();
+ else
+ return Response.status(Response.Status.OK).entity(decoder.getCoders()).build();
+ } catch (final IllegalArgumentException e) {
+ logger.debug("{}: cannot get decoders for policy-controller {} topic {} because of {}", this,
+ controllerName, topic, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_FOUND)
+ .entity(new Error(controllerName + ":" + topic + " not found")).build();
+ } catch (final IllegalStateException e) {
+ logger.debug("{}: cannot get decoders for policy-controller {} topic {} because of {}", this,
+ controllerName, topic, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(new Error(controllerName + ":" + topic + " not acceptable")).build();
+ }
+ }
+
+ @GET
+ @Path("engine/controllers/{controller}/decoders/{topic}/filters/{factType}")
+ @ApiOperation(
+ value = "Gets all filters attached to decoders for a given subscribed networked topic "
+ + "and fact type",
+ notes = "Decoders are associated with networked topics. A Policy Controller manages "
+ + "multiple topics and therefore its attached decoders. "
+ + "A Policy Controller uses filters to further specify the fact mapping. "
+ + "Filters are applied on a per fact type (classname).",
+ responseContainer = "List", response = CoderFilters.class)
+ @ApiResponses(value = {
+ @ApiResponse(code = 404, message = "The controller, topic, or fact type cannot be found"),
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response decoderFilter(
+ @ApiParam(value = "Policy Controller Name",
+ required = true) @PathParam("controller") String controllerName,
+ @ApiParam(value = "Networked Topic Name", required = true) @PathParam("topic") String topic,
+ @ApiParam(value = "Fact Type", required = true) @PathParam("factType") String factClass) {
+ try {
+ final DroolsController drools = this.getDroolsController(controllerName);
+ final ProtocolCoderToolset decoder = EventProtocolCoder.manager
+ .getDecoders(drools.getGroupId(), drools.getArtifactId(), topic);
+ final CoderFilters filters = decoder.getCoder(factClass);
+ if (filters == null)
+ return Response.status(Response.Status.BAD_REQUEST)
+ .entity(new Error(topic + ":" + factClass + " does not exist")).build();
+ else
+ return Response.status(Response.Status.OK).entity(filters).build();
+ } catch (final IllegalArgumentException e) {
+ logger.debug(
+ "{}: cannot get decoder filters for policy-controller {} topic {} type {} because of {}",
+ this, controllerName, topic, factClass, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_FOUND)
+ .entity(new Error(controllerName + ":" + topic + ":" + factClass + " not found")).build();
+ } catch (final IllegalStateException e) {
+ logger.debug(
+ "{}: cannot get decoder filters for policy-controller {} topic {} type {} because of {}",
+ this, controllerName, topic, factClass, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(new Error(controllerName + ":" + topic + ":" + factClass + " not acceptable"))
+ .build();
+ }
+ }
+
+ @PUT
+ @Path("engine/controllers/{controller}/decoders/{topic}/filters/{factType}")
+ @ApiOperation(
+ value = "Attaches filters to the decoder for a given networked topic " + "and fact type",
+ notes = "Decoders are associated with networked topics. A Policy Controller manages "
+ + "multiple topics and therefore its attached decoders. "
+ + "A Policy Controller uses filters to further specify the fact mapping. "
+ + "Filters are applied on a per fact type (classname).",
+ responseContainer = "List", response = CoderFilters.class)
+ @ApiResponses(value = {
+ @ApiResponse(code = 404,
+ message = "The controller, topic, fact type, cannot be found, "
+ + "or a filter has not been provided"),
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response decoderFilter(
+ @ApiParam(value = "Policy Controller Name",
+ required = true) @PathParam("controller") String controllerName,
+ @ApiParam(value = "Topic Name", required = true) @PathParam("topic") String topic,
+ @ApiParam(value = "Fact Type", required = true) @PathParam("factType") String factClass,
+ @ApiParam(value = "Configuration Filter", required = true) JsonProtocolFilter configFilters) {
+
+ if (configFilters == null) {
+ return Response.status(Response.Status.BAD_REQUEST)
+ .entity(new Error("Configuration Filters not provided")).build();
}
-
- @GET
- @Path("engine/topics/sources/dmaap/{topic}/switches")
- @ApiOperation(
- value="DMaaP Topic Control Switches",
- notes="List of the DMaaP Topic Control Switches",
- responseContainer="List"
- )
- public Response dmaapTopicSwitches() {
- return Response.status(Response.Status.OK).
- entity(Arrays.asList(Switches.values())).
- build();
+
+ try {
+ final DroolsController drools = this.getDroolsController(controllerName);
+ final ProtocolCoderToolset decoder = EventProtocolCoder.manager
+ .getDecoders(drools.getGroupId(), drools.getArtifactId(), topic);
+ final CoderFilters filters = decoder.getCoder(factClass);
+ if (filters == null)
+ return Response.status(Response.Status.BAD_REQUEST)
+ .entity(new Error(topic + ":" + factClass + " does not exist")).build();
+ filters.setFilter(configFilters);
+ return Response.status(Response.Status.OK).entity(filters).build();
+ } catch (final IllegalArgumentException e) {
+ logger.debug(
+ "{}: cannot get decoder filters for policy-controller {} topic {} type {} filters {} because of {}",
+ this, controllerName, topic, factClass, configFilters, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_FOUND)
+ .entity(new Error(controllerName + ":" + topic + ":" + factClass + " not found")).build();
+ } catch (final IllegalStateException e) {
+ logger.debug(
+ "{}: cannot get decoder filters for policy-controller {} topic {} type {} filters {} because of {}",
+ this, controllerName, topic, factClass, configFilters, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(new Error(controllerName + ":" + topic + ":" + factClass + " not acceptable"))
+ .build();
+ }
+ }
+
+ @GET
+ @Path("engine/controllers/{controller}/decoders/{topic}/filters/{factType}/rules")
+ @ApiOperation(value = "Gets the filter rules attached to a topic decoder of a controller",
+ notes = "Decoders are associated with networked topics. A Policy Controller manages "
+ + "multiple topics and therefore its attached decoders. "
+ + "A Policy Controller uses filters to further specify the fact mapping. "
+ + "Filters are applied on a per fact type and are composed of field matching rules. ",
+ responseContainer = "List", response = FilterRule.class)
+ @ApiResponses(value = {
+ @ApiResponse(code = 404, message = "The controller, topic, or fact type cannot be found"),
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response decoderFilterRules(
+ @ApiParam(value = "Policy Controller Name",
+ required = true) @PathParam("controller") String controllerName,
+ @ApiParam(value = "Topic Name", required = true) @PathParam("topic") String topic,
+ @ApiParam(value = "Fact Type", required = true) @PathParam("factType") String factClass) {
+ try {
+ final DroolsController drools = this.getDroolsController(controllerName);
+ final ProtocolCoderToolset decoder = EventProtocolCoder.manager
+ .getDecoders(drools.getGroupId(), drools.getArtifactId(), topic);
+
+ final CoderFilters filters = decoder.getCoder(factClass);
+ if (filters == null)
+ return Response.status(Response.Status.BAD_REQUEST)
+ .entity(new Error(controllerName + ":" + topic + ":" + factClass + " does not exist"))
+ .build();
+
+ final JsonProtocolFilter filter = filters.getFilter();
+ if (filter == null)
+ return Response.status(Response.Status.BAD_REQUEST)
+ .entity(new Error(controllerName + ":" + topic + ":" + factClass + " no filters"))
+ .build();
+
+ return Response.status(Response.Status.OK).entity(filter.getRules()).build();
+ } catch (final IllegalArgumentException e) {
+ logger.debug(
+ "{}: cannot get decoder filters for policy-controller {} topic {} type {} because of {}",
+ this, controllerName, topic, factClass, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_FOUND)
+ .entity(new Error(controllerName + ":" + topic + ":" + factClass + " not found")).build();
+ } catch (final IllegalStateException e) {
+ logger.debug(
+ "{}: cannot get decoder filters for policy-controller {} topic {} type {} because of {}",
+ this, controllerName, topic, factClass, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(new Error(controllerName + ":" + topic + ":" + factClass + " not acceptable"))
+ .build();
+ }
+ }
+
+ @GET
+ @Path("engine/controllers/{controller}/decoders/{topic}/filters/{factType}/rules/{ruleName}")
+ @ApiOperation(value = "Gets a filter rule by name attached to a topic decoder of a controller",
+ notes = "Decoders are associated with networked topics. A Policy Controller manages "
+ + "multiple topics and therefore its attached decoders. "
+ + "A Policy Controller uses filters to further specify the fact mapping. "
+ + "Filters are applied on a per fact type and are composed of field matching rules. ",
+ responseContainer = "List", response = FilterRule.class)
+ @ApiResponses(value = {
+ @ApiResponse(code = 404,
+ message = "The controller, topic, fact type, or rule name cannot be found"),
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response decoderFilterRules(
+ @ApiParam(value = "Policy Controller Name",
+ required = true) @PathParam("controller") String controllerName,
+ @ApiParam(value = "Topic Name", required = true) @PathParam("topic") String topic,
+ @ApiParam(value = "Fact Type", required = true) @PathParam("factType") String factClass,
+ @ApiParam(value = "Rule Name", required = true) @PathParam("ruleName") String ruleName) {
+ try {
+ final DroolsController drools = this.getDroolsController(controllerName);
+ final ProtocolCoderToolset decoder = EventProtocolCoder.manager
+ .getDecoders(drools.getGroupId(), drools.getArtifactId(), topic);
+
+ final CoderFilters filters = decoder.getCoder(factClass);
+ if (filters == null)
+ return Response.status(Response.Status.BAD_REQUEST)
+ .entity(new Error(controllerName + ":" + topic + ":" + factClass + " does not exist"))
+ .build();
+
+ final JsonProtocolFilter filter = filters.getFilter();
+ if (filter == null)
+ return Response.status(Response.Status.BAD_REQUEST)
+ .entity(new Error(controllerName + ":" + topic + ":" + factClass + " no filters"))
+ .build();
+
+ return Response.status(Response.Status.OK).entity(filter.getRules(ruleName)).build();
+ } catch (final IllegalArgumentException e) {
+ logger.debug(
+ "{}: cannot get decoder filters for policy-controller {} topic {} type {} rule {} because of {}",
+ this, controllerName, topic, factClass, ruleName, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_FOUND)
+ .entity(new Error(
+ controllerName + ":" + topic + ":" + factClass + ": " + ruleName + " not found"))
+ .build();
+ } catch (final IllegalStateException e) {
+ logger.debug(
+ "{}: cannot get decoder filters for policy-controller {} topic {} type {} rule {} because of {}",
+ this, controllerName, topic, factClass, ruleName, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(new Error(
+ controllerName + ":" + topic + ":" + factClass + ":" + ruleName + " not acceptable"))
+ .build();
+ }
+ }
+
+ @DELETE
+ @Path("engine/controllers/{controller}/decoders/{topic}/filters/{factType}/rules/{ruleName}")
+ @ApiOperation(value = "Deletes a filter rule by name attached to a topic decoder of a controller",
+ notes = "Decoders are associated with networked topics. A Policy Controller manages "
+ + "multiple topics and therefore its attached decoders. "
+ + "A Policy Controller uses filters to further specify the fact mapping. "
+ + "Filters are applied on a per fact type and are composed of field matching rules. ",
+ responseContainer = "List", response = FilterRule.class)
+ @ApiResponses(value = {
+ @ApiResponse(code = 404,
+ message = "The controller, topic, fact type, or rule name cannot be found"),
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response decoderFilterRuleDelete(
+ @ApiParam(value = "Policy Controller Name",
+ required = true) @PathParam("controller") String controllerName,
+ @ApiParam(value = "Topic Name", required = true) @PathParam("topic") String topic,
+ @ApiParam(value = "Fact Type", required = true) @PathParam("factType") String factClass,
+ @ApiParam(value = "Rule Name", required = true) @PathParam("ruleName") String ruleName,
+ @ApiParam(value = "Filter Rule", required = true) FilterRule rule) {
+
+ try {
+ final DroolsController drools = this.getDroolsController(controllerName);
+ final ProtocolCoderToolset decoder = EventProtocolCoder.manager
+ .getDecoders(drools.getGroupId(), drools.getArtifactId(), topic);
+
+ final CoderFilters filters = decoder.getCoder(factClass);
+ if (filters == null)
+ return Response.status(Response.Status.BAD_REQUEST)
+ .entity(new Error(controllerName + ":" + topic + ":" + factClass + " does not exist"))
+ .build();
+
+ final JsonProtocolFilter filter = filters.getFilter();
+ if (filter == null)
+ return Response.status(Response.Status.BAD_REQUEST)
+ .entity(new Error(controllerName + ":" + topic + ":" + factClass + " no filters"))
+ .build();
+
+ if (rule == null) {
+ filter.deleteRules(ruleName);
+ return Response.status(Response.Status.OK).entity(filter.getRules()).build();
+ }
+
+ if (rule.getName() == null || !rule.getName().equals(ruleName))
+ return Response.status(Response.Status.BAD_REQUEST)
+ .entity(new Error(controllerName + ":" + topic + ":" + factClass + ":" + ruleName
+ + " rule name request inconsistencies (" + rule.getName() + ")"))
+ .build();
+
+ filter.deleteRule(ruleName, rule.getRegex());
+ return Response.status(Response.Status.OK).entity(filter.getRules()).build();
+ } catch (final IllegalArgumentException e) {
+ logger.debug(
+ "{}: cannot get decoder filters for policy-controller {} topic {} type {} rule {} because of {}",
+ this, controllerName, topic, factClass, ruleName, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_FOUND)
+ .entity(new Error(
+ controllerName + ":" + topic + ":" + factClass + ": " + ruleName + " not found"))
+ .build();
+ } catch (final IllegalStateException e) {
+ logger.debug(
+ "{}: cannot get decoder filters for policy-controller {} topic {} type {} rule {} because of {}",
+ this, controllerName, topic, factClass, ruleName, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(new Error(
+ controllerName + ":" + topic + ":" + factClass + ":" + ruleName + " not acceptable"))
+ .build();
+ }
+ }
+
+ @PUT
+ @Path("engine/controllers/{controller}/decoders/{topic}/filters/{factType}/rules")
+ @ApiOperation(value = "Places a new filter rule in a topic decoder",
+ notes = "Decoders are associated with networked topics. A Policy Controller manages "
+ + "multiple topics and therefore its attached decoders. "
+ + "A Policy Controller uses filters to further specify the fact mapping. "
+ + "Filters are applied on a per fact type and are composed of field matching rules. ",
+ responseContainer = "List", response = FilterRule.class)
+ @ApiResponses(value = {
+ @ApiResponse(code = 404, message = "The controller, topic, or fact type cannot be found"),
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response decoderFilterRule(
+ @ApiParam(value = "Policy Controller Name",
+ required = true) @PathParam("controller") String controllerName,
+ @ApiParam(value = "Topic Name", required = true) @PathParam("topic") String topic,
+ @ApiParam(value = "Fact Type", required = true) @PathParam("factType") String factClass,
+ @ApiParam(value = "Rule Name", required = true) @PathParam("ruleName") String ruleName,
+ @ApiParam(value = "Filter Rule", required = true) FilterRule rule) {
+
+ try {
+ final DroolsController drools = this.getDroolsController(controllerName);
+ final ProtocolCoderToolset decoder = EventProtocolCoder.manager
+ .getDecoders(drools.getGroupId(), drools.getArtifactId(), topic);
+
+ final CoderFilters filters = decoder.getCoder(factClass);
+ if (filters == null)
+ return Response.status(Response.Status.BAD_REQUEST)
+ .entity(new Error(controllerName + ":" + topic + ":" + factClass + " does not exist"))
+ .build();
+
+ final JsonProtocolFilter filter = filters.getFilter();
+ if (filter == null)
+ return Response.status(Response.Status.BAD_REQUEST)
+ .entity(new Error(controllerName + ":" + topic + ":" + factClass + " no filters"))
+ .build();
+
+ if (rule.getName() == null)
+ return Response
+ .status(Response.Status.BAD_REQUEST).entity(new Error(controllerName + ":" + topic + ":"
+ + factClass + " rule name request inconsistencies (" + rule.getName() + ")"))
+ .build();
+
+ filter.addRule(rule.getName(), rule.getRegex());
+ return Response.status(Response.Status.OK).entity(filter.getRules()).build();
+ } catch (final IllegalArgumentException e) {
+ logger.debug(
+ "{}: cannot access decoder filter rules for policy-controller {} topic {} type {} rule {} because of {}",
+ this, controllerName, topic, factClass, ruleName, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_FOUND)
+ .entity(new Error(controllerName + ":" + topic + ":" + factClass + " not found")).build();
+ } catch (final IllegalStateException e) {
+ logger.debug(
+ "{}: cannot access decoder filter rules for policy-controller {} topic {} type {} rule {} because of {}",
+ this, controllerName, topic, factClass, ruleName, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(new Error(controllerName + ":" + topic + ":" + factClass + " not acceptable"))
+ .build();
+ }
+ }
+
+ @POST
+ @Path("engine/controllers/{controller}/decoders/{topic}")
+ @Consumes(MediaType.TEXT_PLAIN)
+ @ApiOperation(value = "Decodes a string into a fact object, and encodes it back into a string",
+ notes = "Tests the decode/encode functions of a controller", response = CodingResult.class)
+ @ApiResponses(value = {@ApiResponse(code = 400, message = "Bad input has been provided"),
+ @ApiResponse(code = 404, message = "The controller cannot be found"),
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response decode(
+ @ApiParam(value = "Policy Controller Name",
+ required = true) @PathParam("controller") String controllerName,
+ @ApiParam(value = "Topic Name", required = true) @PathParam("topic") String topic,
+ @ApiParam(value = "JSON String to decode", required = true) String json) {
+
+ PolicyController policyController;
+ try {
+ policyController = PolicyController.factory.get(controllerName);
+ } catch (final IllegalArgumentException e) {
+ logger.debug("{}: cannot get decoders for policy-controller {} topic {} because of {}", this,
+ controllerName, topic, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_FOUND)
+ .entity(new Error(controllerName + ":" + topic + ":" + " not found")).build();
+ } catch (final IllegalStateException e) {
+ logger.debug("{}: cannot get decoders for policy-controller {} topic {} because of {}", this,
+ controllerName, topic, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(new Error(controllerName + ":" + topic + ":" + " not acceptable")).build();
}
-
- @PUT
- @Path("engine/topics/sources/dmaap/{topic}/switches/lock")
- @ApiOperation(
- value="Locks an DMaaP Source topic",
- response=DmaapTopicSource.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response dmmapTopicLock(@ApiParam(value="Topic Name", required=true)
- @PathParam("topic") String topic) {
- DmaapTopicSource source = TopicEndpoint.manager.getDmaapTopicSource(topic);
- boolean success = source.lock();
- if (success)
- return Response.status(Status.OK).
- entity(source).
- build();
- else
- return Response.status(Status.NOT_ACCEPTABLE).
- entity(new Error("cannot perform operation on " + topic)).
- build();
+
+ final CodingResult result = new CodingResult();
+ result.decoding = false;
+ result.encoding = false;
+ result.jsonEncoding = null;
+
+ Object event;
+ try {
+ event = EventProtocolCoder.manager.decode(policyController.getDrools().getGroupId(),
+ policyController.getDrools().getArtifactId(), topic, json);
+ result.decoding = true;
+ } catch (final Exception e) {
+ logger.debug("{}: cannot get policy-controller {} topic {} because of {}", this,
+ controllerName, topic, e.getMessage(), e);
+ return Response.status(Response.Status.BAD_REQUEST).entity(new Error(e.getMessage())).build();
}
-
- @DELETE
- @Path("engine/topics/sources/dmaap/{topic}/switches/lock")
- @ApiOperation(
- value="Unlocks an DMaaP Source topic",
- response=DmaapTopicSource.class
- )
- @ApiResponses(value = {
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled")
- })
- public Response dmaapTopicUnlock(@ApiParam(value="Topic Name", required=true)
- @PathParam("topic") String topic) {
- DmaapTopicSource source = TopicEndpoint.manager.getDmaapTopicSource(topic);
- boolean success = source.unlock();
- if (success)
- return Response.status(Status.OK).
- entity(source).
- build();
- else
- return Response.status(Status.SERVICE_UNAVAILABLE).
- entity(new Error("cannot perform operation on " + topic)).
- build();
+
+ try {
+ result.jsonEncoding = EventProtocolCoder.manager.encode(topic, event);
+ result.encoding = true;
+ } catch (final Exception e) {
+ // continue so to propagate decoding results ..
+ logger.debug("{}: cannot encode for policy-controller {} topic {} because of {}", this,
+ controllerName, topic, e.getMessage(), e);
}
-
- @PUT
- @Path("engine/topics/sources/ueb/{topic}/events")
- @Consumes(MediaType.TEXT_PLAIN)
- @ApiOperation(
- value="Offers an event to an UEB topic for internal processing by the engine",
- notes="The offered event is treated as it was incoming from the network",
- responseContainer="List"
- )
- @ApiResponses(value = {
- @ApiResponse(code=404, message="The topic information cannot be found"),
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled"),
- @ApiResponse(code=500, message="A server error has occurred processing this request")
- })
- public Response uebOffer(@ApiParam(value="Topic Name", required=true)
- @PathParam("topic") String topic,
- @ApiParam(value="Network Message", required=true)
- String json) {
- try {
- UebTopicSource uebReader = TopicEndpoint.manager.getUebTopicSource(topic);
- boolean success = uebReader.offer(json);
- if (success)
- return Response.status(Status.OK).
- entity(Arrays.asList(TopicEndpoint.manager.getUebTopicSource(topic).getRecentEvents())).
- build();
- else
- return Response.status(Status.NOT_ACCEPTABLE).
- entity(new Error("Failure to inject event over " + topic)).
- build();
- } catch (IllegalArgumentException e) {
- logger.debug("{}: cannot offer for encoder ueb topic for {} because of {}",
- this, topic, e.getMessage(), e);
- return Response.status(Response.Status.NOT_FOUND).
- entity(new Error(topic + " not found")).
- build();
- } catch (IllegalStateException e) {
- logger.debug("{}: cannot offer for encoder ueb topic for {} because of {}",
- this, topic, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(topic + " not acceptable due to current state")).
- build();
- } catch (Exception e) {
- logger.debug("{}: cannot offer for encoder ueb topic for {} because of {}",
- this, topic, e.getMessage(), e);
- return Response.status(Response.Status.INTERNAL_SERVER_ERROR).
- entity(new Error(e.getMessage())).
- build();
- }
+
+ return Response.status(Response.Status.OK).entity(result).build();
+ }
+
+ @GET
+ @Path("engine/controllers/{controller}/encoders")
+ @ApiOperation(value = "Retrieves the encoder filters of a controller",
+ notes = "The encoders serializes a fact object, typically for network transmission",
+ responseContainer = "List", response = CoderFilters.class)
+ @ApiResponses(value = {@ApiResponse(code = 400, message = "Bad input has been provided"),
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response encoderFilters(@ApiParam(value = "Policy Controller Name",
+ required = true) @PathParam("controller") String controllerName) {
+ List<CoderFilters> encoders;
+ try {
+ final PolicyController controller = PolicyController.factory.get(controllerName);
+ final DroolsController drools = controller.getDrools();
+ encoders =
+ EventProtocolCoder.manager.getEncoderFilters(drools.getGroupId(), drools.getArtifactId());
+ } catch (final IllegalArgumentException e) {
+ logger.debug("{}: cannot get encoder filters for policy-controller {} because of {}", this,
+ controllerName, e.getMessage(), e);
+ return Response.status(Response.Status.BAD_REQUEST)
+ .entity(new Error(controllerName + " not found: " + e.getMessage())).build();
+ } catch (final IllegalStateException e) {
+ logger.debug("{}: cannot get encoder filters for policy-controller {} because of {}", this,
+ controllerName, e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(new Error(controllerName + " is not accepting the request")).build();
}
-
- @PUT
- @Path("engine/topics/sources/dmaap/{topic}/events")
- @Consumes(MediaType.TEXT_PLAIN)
- @ApiOperation(
- value="Offers an event to a DMaaP topic for internal processing by the engine",
- notes="The offered event is treated as it was incoming from the network",
- responseContainer="List"
- )
- @ApiResponses(value = {
- @ApiResponse(code=404, message="The topic information cannot be found"),
- @ApiResponse(code=406, message="The system is an administrative state that prevents " +
- "this request to be fulfilled"),
- @ApiResponse(code=500, message="A server error has occurred processing this request")
- })
- public Response dmaapOffer(@ApiParam(value="Topic Name", required=true)
- @PathParam("topic") String topic,
- @ApiParam(value="Network Message", required=true)
- String json) {
- try {
- DmaapTopicSource dmaapReader = TopicEndpoint.manager.getDmaapTopicSource(topic);
- boolean success = dmaapReader.offer(json);
- if (success)
- return Response.status(Status.OK).
- entity(Arrays.asList(TopicEndpoint.manager.getDmaapTopicSource(topic).getRecentEvents())).
- build();
- else
- return Response.status(Status.NOT_ACCEPTABLE).
- entity(new Error("Failure to inject event over " + topic)).
- build();
- } catch (IllegalArgumentException e) {
- logger.debug("{}: cannot offer for encoder dmaap topic for {} because of {}",
- this, topic, e.getMessage(), e);
- return Response.status(Response.Status.NOT_FOUND).
- entity(new Error(topic + " not found")).
- build();
- } catch (IllegalStateException e) {
- logger.debug("{}: cannot offer for encoder dmaap topic for {} because of {}",
- this, topic, e.getMessage(), e);
- return Response.status(Response.Status.NOT_ACCEPTABLE).
- entity(new Error(topic + " not acceptable due to current state")).
- build();
- } catch (Exception e) {
- logger.debug("{}: cannot offer for encoder dmaap topic for {} because of {}",
- this, topic, e.getMessage(), e);
- return Response.status(Response.Status.INTERNAL_SERVER_ERROR).
- entity(new Error(e.getMessage())).
- build();
- }
+
+ return Response.status(Response.Status.OK).entity(encoders).build();
+ }
+
+ @GET
+ @Path("engine/topics")
+ @ApiOperation(value = "Retrieves the managed topics", notes = "Network Topics Aggregation",
+ response = TopicEndpoint.class)
+ public Response topics() {
+ return Response.status(Response.Status.OK).entity(TopicEndpoint.manager).build();
+ }
+
+ @GET
+ @Path("engine/topics/switches")
+ @ApiOperation(value = "Topics Control Switches", notes = "List of the Topic Control Switches",
+ responseContainer = "List")
+ public Response topicSwitches() {
+ return Response.status(Response.Status.OK).entity(Arrays.asList(Switches.values())).build();
+ }
+
+ @PUT
+ @Path("engine/topics/switches/lock")
+ @ApiOperation(value = "Locks all the managed topics",
+ notes = "The operation affects all managed sources and sinks", response = TopicEndpoint.class)
+ @ApiResponses(value = {
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response topicsLock() {
+ final boolean success = TopicEndpoint.manager.lock();
+ if (success)
+ return Response.status(Status.OK).entity(TopicEndpoint.manager).build();
+ else
+ return Response.status(Status.NOT_ACCEPTABLE).entity(new Error("cannot perform operation"))
+ .build();
+ }
+
+ @DELETE
+ @Path("engine/topics/switches/lock")
+ @ApiOperation(value = "Unlocks all the managed topics",
+ notes = "The operation affects all managed sources and sinks", response = TopicEndpoint.class)
+ @ApiResponses(value = {
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response topicsUnlock() {
+ final boolean success = TopicEndpoint.manager.unlock();
+ if (success)
+ return Response.status(Status.OK).entity(TopicEndpoint.manager).build();
+ else
+ return Response.status(Status.NOT_ACCEPTABLE).entity(new Error("cannot perform operation"))
+ .build();
+ }
+
+ @GET
+ @Path("engine/topics/sources")
+ @ApiOperation(value = "Retrieves the managed topic sources",
+ notes = "Network Topic Sources Agregation", responseContainer = "List",
+ response = TopicSource.class)
+ public Response sources() {
+ return Response.status(Response.Status.OK).entity(TopicEndpoint.manager.getTopicSources())
+ .build();
+ }
+
+ @GET
+ @Path("engine/topics/sinks")
+ @ApiOperation(value = "Retrieves the managed topic sinks",
+ notes = "Network Topic Sinks Agregation", responseContainer = "List",
+ response = TopicSink.class)
+ public Response sinks() {
+ return Response.status(Response.Status.OK).entity(TopicEndpoint.manager.getTopicSinks())
+ .build();
+ }
+
+ @GET
+ @Path("engine/topics/sources/ueb")
+ @ApiOperation(value = "Retrieves the UEB managed topic sources",
+ notes = "UEB Topic Sources Agregation", responseContainer = "List",
+ response = UebTopicSource.class)
+ public Response uebSources() {
+ return Response.status(Response.Status.OK).entity(TopicEndpoint.manager.getUebTopicSources())
+ .build();
+ }
+
+ @GET
+ @Path("engine/topics/sinks/ueb")
+ @ApiOperation(value = "Retrieves the UEB managed topic sinks",
+ notes = "UEB Topic Sinks Agregation", responseContainer = "List",
+ response = UebTopicSource.class)
+ public Response uebSinks() {
+ return Response.status(Response.Status.OK).entity(TopicEndpoint.manager.getUebTopicSinks())
+ .build();
+ }
+
+ @GET
+ @Path("engine/topics/sources/dmaap")
+ @ApiOperation(value = "Retrieves the DMaaP managed topic sources",
+ notes = "DMaaP Topic Sources Agregation", responseContainer = "List",
+ response = DmaapTopicSource.class)
+ public Response dmaapSources() {
+ return Response.status(Response.Status.OK).entity(TopicEndpoint.manager.getDmaapTopicSources())
+ .build();
+ }
+
+ @GET
+ @Path("engine/topics/sinks/dmaap")
+ @ApiOperation(value = "Retrieves the DMaaP managed topic sinks",
+ notes = "DMaaP Topic Sinks Agregation", responseContainer = "List",
+ response = DmaapTopicSink.class)
+ public Response dmaapSinks() {
+ return Response.status(Response.Status.OK).entity(TopicEndpoint.manager.getDmaapTopicSinks())
+ .build();
+ }
+
+ @GET
+ @Path("engine/topics/sources/ueb/{topic}")
+ @ApiOperation(value = "Retrieves an UEB managed topic source",
+ notes = "This is an UEB Network Communicaton Endpoint source of messages for the Engine",
+ response = UebTopicSource.class)
+ public Response uebSourceTopic(
+ @ApiParam(value = "Topic Name", required = true) @PathParam("topic") String topic) {
+ return Response.status(Response.Status.OK)
+ .entity(TopicEndpoint.manager.getUebTopicSource(topic)).build();
+ }
+
+ @GET
+ @Path("engine/topics/sinks/ueb/{topic}")
+ @ApiOperation(value = "Retrieves an UEB managed topic sink",
+ notes = "This is an UEB Network Communicaton Endpoint destination of messages from the Engine",
+ response = UebTopicSink.class)
+ public Response uebSinkTopic(
+ @ApiParam(value = "Topic Name", required = true) @PathParam("topic") String topic) {
+ return Response.status(Response.Status.OK).entity(TopicEndpoint.manager.getUebTopicSink(topic))
+ .build();
+ }
+
+ @GET
+ @Path("engine/topics/sources/dmaap/{topic}")
+ @ApiOperation(value = "Retrieves a DMaaP managed topic source",
+ notes = "This is a DMaaP Network Communicaton Endpoint source of messages for the Engine",
+ response = DmaapTopicSource.class)
+ public Response dmaapSourceTopic(
+ @ApiParam(value = "Topic Name", required = true) @PathParam("topic") String topic) {
+ return Response.status(Response.Status.OK)
+ .entity(TopicEndpoint.manager.getDmaapTopicSource(topic)).build();
+ }
+
+ @GET
+ @Path("engine/topics/sinks/dmaap/{topic}")
+ @ApiOperation(value = "Retrieves a DMaaP managed topic sink",
+ notes = "This is a DMaaP Network Communicaton Endpoint destination of messages from the Engine",
+ response = DmaapTopicSink.class)
+ public Response dmaapSinkTopic(
+ @ApiParam(value = "Topic Name", required = true) @PathParam("topic") String topic) {
+ return Response.status(Response.Status.OK)
+ .entity(TopicEndpoint.manager.getDmaapTopicSink(topic)).build();
+ }
+
+ @GET
+ @Path("engine/topics/sources/ueb/{topic}/events")
+ @ApiOperation(value = "Retrieves the latest events received by an UEB topic",
+ notes = "This is a UEB Network Communicaton Endpoint source of messages for the Engine",
+ responseContainer = "List")
+ public Response uebSourceEvents(
+ @ApiParam(value = "Topic Name", required = true) @PathParam("topic") String topic) {
+ return Response.status(Status.OK)
+ .entity(Arrays.asList(TopicEndpoint.manager.getUebTopicSource(topic).getRecentEvents()))
+ .build();
+ }
+
+ @GET
+ @Path("engine/topics/sinks/ueb/{topic}/events")
+ @ApiOperation(value = "Retrieves the latest events sent from a topic",
+ notes = "This is a UEB Network Communicaton Endpoint sink of messages from the Engine",
+ responseContainer = "List")
+ public Response uebSinkEvents(
+ @ApiParam(value = "Topic Name", required = true) @PathParam("topic") String topic) {
+ return Response.status(Status.OK)
+ .entity(Arrays.asList(TopicEndpoint.manager.getUebTopicSink(topic).getRecentEvents()))
+ .build();
+ }
+
+ @GET
+ @Path("engine/topics/sources/dmaap/{topic}/events")
+ @ApiOperation(value = "Retrieves the latest events received by a DMaaP topic",
+ notes = "This is a DMaaP Network Communicaton Endpoint source of messages for the Engine",
+ responseContainer = "List")
+ public Response dmaapSourceEvents(
+ @ApiParam(value = "Topic Name", required = true) @PathParam("topic") String topic) {
+ return Response.status(Status.OK)
+ .entity(Arrays.asList(TopicEndpoint.manager.getDmaapTopicSource(topic).getRecentEvents()))
+ .build();
+ }
+
+ @GET
+ @Path("engine/topics/sinks/dmaap/{topic}/events")
+ @ApiOperation(value = "Retrieves the latest events send through a DMaaP topic",
+ notes = "This is a DMaaP Network Communicaton Endpoint destination of messages from the Engine",
+ responseContainer = "List")
+ public Response dmaapSinkEvents(@PathParam("topic") String topic) {
+ return Response.status(Status.OK)
+ .entity(Arrays.asList(TopicEndpoint.manager.getDmaapTopicSink(topic).getRecentEvents()))
+ .build();
+ }
+
+ @GET
+ @Path("engine/topics/sources/ueb/{topic}/switches")
+ @ApiOperation(value = "UEB Topic Control Switches",
+ notes = "List of the UEB Topic Control Switches", responseContainer = "List")
+ public Response uebTopicSwitches() {
+ return Response.status(Response.Status.OK).entity(Arrays.asList(Switches.values())).build();
+ }
+
+ @PUT
+ @Path("engine/topics/sources/ueb/{topic}/switches/lock")
+ @ApiOperation(value = "Locks an UEB Source topic", response = UebTopicSource.class)
+ @ApiResponses(value = {
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response uebTopicLock(
+ @ApiParam(value = "Topic Name", required = true) @PathParam("topic") String topic) {
+ final UebTopicSource source = TopicEndpoint.manager.getUebTopicSource(topic);
+ final boolean success = source.lock();
+ if (success)
+ return Response.status(Status.OK).entity(source).build();
+ else
+ return Response.status(Status.NOT_ACCEPTABLE)
+ .entity(new Error("cannot perform operation on " + topic)).build();
+ }
+
+ @DELETE
+ @Path("engine/topics/sources/ueb/{topic}/switches/lock")
+ @ApiOperation(value = "Unlocks an UEB Source topic", response = UebTopicSource.class)
+ @ApiResponses(value = {
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response uebTopicUnlock(
+ @ApiParam(value = "Topic Name", required = true) @PathParam("topic") String topic) {
+ final UebTopicSource source = TopicEndpoint.manager.getUebTopicSource(topic);
+ final boolean success = source.unlock();
+ if (success)
+ return Response.status(Status.OK).entity(source).build();
+ else
+ return Response.status(Status.NOT_ACCEPTABLE)
+ .entity(new Error("cannot perform operation on " + topic)).build();
+ }
+
+ @GET
+ @Path("engine/topics/sources/dmaap/{topic}/switches")
+ @ApiOperation(value = "DMaaP Topic Control Switches",
+ notes = "List of the DMaaP Topic Control Switches", responseContainer = "List")
+ public Response dmaapTopicSwitches() {
+ return Response.status(Response.Status.OK).entity(Arrays.asList(Switches.values())).build();
+ }
+
+ @PUT
+ @Path("engine/topics/sources/dmaap/{topic}/switches/lock")
+ @ApiOperation(value = "Locks an DMaaP Source topic", response = DmaapTopicSource.class)
+ @ApiResponses(value = {
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response dmmapTopicLock(
+ @ApiParam(value = "Topic Name", required = true) @PathParam("topic") String topic) {
+ final DmaapTopicSource source = TopicEndpoint.manager.getDmaapTopicSource(topic);
+ final boolean success = source.lock();
+ if (success)
+ return Response.status(Status.OK).entity(source).build();
+ else
+ return Response.status(Status.NOT_ACCEPTABLE)
+ .entity(new Error("cannot perform operation on " + topic)).build();
+ }
+
+ @DELETE
+ @Path("engine/topics/sources/dmaap/{topic}/switches/lock")
+ @ApiOperation(value = "Unlocks an DMaaP Source topic", response = DmaapTopicSource.class)
+ @ApiResponses(value = {
+ @ApiResponse(code = 406, message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled")})
+ public Response dmaapTopicUnlock(
+ @ApiParam(value = "Topic Name", required = true) @PathParam("topic") String topic) {
+ final DmaapTopicSource source = TopicEndpoint.manager.getDmaapTopicSource(topic);
+ final boolean success = source.unlock();
+ if (success)
+ return Response.status(Status.OK).entity(source).build();
+ else
+ return Response.status(Status.SERVICE_UNAVAILABLE)
+ .entity(new Error("cannot perform operation on " + topic)).build();
+ }
+
+ @PUT
+ @Path("engine/topics/sources/ueb/{topic}/events")
+ @Consumes(MediaType.TEXT_PLAIN)
+ @ApiOperation(value = "Offers an event to an UEB topic for internal processing by the engine",
+ notes = "The offered event is treated as it was incoming from the network",
+ responseContainer = "List")
+ @ApiResponses(value = {
+ @ApiResponse(code = 404, message = "The topic information cannot be found"),
+ @ApiResponse(code = 406,
+ message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled"),
+ @ApiResponse(code = 500, message = "A server error has occurred processing this request")})
+ public Response uebOffer(
+ @ApiParam(value = "Topic Name", required = true) @PathParam("topic") String topic,
+ @ApiParam(value = "Network Message", required = true) String json) {
+ try {
+ final UebTopicSource uebReader = TopicEndpoint.manager.getUebTopicSource(topic);
+ final boolean success = uebReader.offer(json);
+ if (success)
+ return Response.status(Status.OK)
+ .entity(Arrays.asList(TopicEndpoint.manager.getUebTopicSource(topic).getRecentEvents()))
+ .build();
+ else
+ return Response.status(Status.NOT_ACCEPTABLE)
+ .entity(new Error("Failure to inject event over " + topic)).build();
+ } catch (final IllegalArgumentException e) {
+ logger.debug("{}: cannot offer for encoder ueb topic for {} because of {}", this, topic,
+ e.getMessage(), e);
+ return Response.status(Response.Status.NOT_FOUND).entity(new Error(topic + " not found"))
+ .build();
+ } catch (final IllegalStateException e) {
+ logger.debug("{}: cannot offer for encoder ueb topic for {} because of {}", this, topic,
+ e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(new Error(topic + " not acceptable due to current state")).build();
+ } catch (final Exception e) {
+ logger.debug("{}: cannot offer for encoder ueb topic for {} because of {}", this, topic,
+ e.getMessage(), e);
+ return Response.status(Response.Status.INTERNAL_SERVER_ERROR)
+ .entity(new Error(e.getMessage())).build();
+ }
+ }
+
+ @PUT
+ @Path("engine/topics/sources/dmaap/{topic}/events")
+ @Consumes(MediaType.TEXT_PLAIN)
+ @ApiOperation(value = "Offers an event to a DMaaP topic for internal processing by the engine",
+ notes = "The offered event is treated as it was incoming from the network",
+ responseContainer = "List")
+ @ApiResponses(value = {
+ @ApiResponse(code = 404, message = "The topic information cannot be found"),
+ @ApiResponse(code = 406,
+ message = "The system is an administrative state that prevents "
+ + "this request to be fulfilled"),
+ @ApiResponse(code = 500, message = "A server error has occurred processing this request")})
+ public Response dmaapOffer(
+ @ApiParam(value = "Topic Name", required = true) @PathParam("topic") String topic,
+ @ApiParam(value = "Network Message", required = true) String json) {
+ try {
+ final DmaapTopicSource dmaapReader = TopicEndpoint.manager.getDmaapTopicSource(topic);
+ final boolean success = dmaapReader.offer(json);
+ if (success)
+ return Response.status(Status.OK)
+ .entity(
+ Arrays.asList(TopicEndpoint.manager.getDmaapTopicSource(topic).getRecentEvents()))
+ .build();
+ else
+ return Response.status(Status.NOT_ACCEPTABLE)
+ .entity(new Error("Failure to inject event over " + topic)).build();
+ } catch (final IllegalArgumentException e) {
+ logger.debug("{}: cannot offer for encoder dmaap topic for {} because of {}", this, topic,
+ e.getMessage(), e);
+ return Response.status(Response.Status.NOT_FOUND).entity(new Error(topic + " not found"))
+ .build();
+ } catch (final IllegalStateException e) {
+ logger.debug("{}: cannot offer for encoder dmaap topic for {} because of {}", this, topic,
+ e.getMessage(), e);
+ return Response.status(Response.Status.NOT_ACCEPTABLE)
+ .entity(new Error(topic + " not acceptable due to current state")).build();
+ } catch (final Exception e) {
+ logger.debug("{}: cannot offer for encoder dmaap topic for {} because of {}", this, topic,
+ e.getMessage(), e);
+ return Response.status(Response.Status.INTERNAL_SERVER_ERROR)
+ .entity(new Error(e.getMessage())).build();
+ }
+ }
+
+ @GET
+ @Path("engine/tools/uuid")
+ @ApiOperation(value = "Produces an UUID", notes = "UUID generation utility")
+ @Produces(MediaType.TEXT_PLAIN)
+ public Response uuid() {
+ return Response.status(Status.OK).entity(UUID.randomUUID().toString()).build();
+ }
+
+ @GET
+ @Path("engine/tools/loggers")
+ @ApiOperation(value = "all active loggers", responseContainer = "List")
+ @ApiResponses(value = {@ApiResponse(code = 500, message = "logging misconfiguration")})
+ public Response loggers() {
+ final List<String> names = new ArrayList<String>();
+ if (!(LoggerFactory.getILoggerFactory() instanceof LoggerContext)) {
+ logger.warn("The SLF4J logger factory is not configured for logback");
+ return Response.status(Status.INTERNAL_SERVER_ERROR).entity(names).build();
}
-
- @GET
- @Path("engine/tools/uuid")
- @ApiOperation(
- value="Produces an UUID",
- notes="UUID generation utility"
- )
- @Produces(MediaType.TEXT_PLAIN)
- public Response uuid() {
- return Response.status(Status.OK).
- entity(UUID.randomUUID().toString()).
- build();
+
+ final LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory();
+ for (final Logger logger : context.getLoggerList()) {
+ names.add(logger.getName());
}
-
- @GET
- @Path("engine/tools/loggers")
- @ApiOperation(
- value="all active loggers",
- responseContainer="List"
- )
- @ApiResponses(value = {
- @ApiResponse(code=500, message="logging misconfiguration")
- })
- public Response loggers() {
- List<String> names = new ArrayList<String>();
- if (!(LoggerFactory.getILoggerFactory() instanceof LoggerContext)) {
- logger.warn("The SLF4J logger factory is not configured for logback");
- return Response.status(Status.INTERNAL_SERVER_ERROR).
- entity(names).build();
- }
-
- LoggerContext context =
- (LoggerContext) LoggerFactory.getILoggerFactory();
- for (Logger logger: context.getLoggerList()) {
- names.add(logger.getName());
- }
-
- return Response.status(Status.OK).
- entity(names).
- build();
+
+ return Response.status(Status.OK).entity(names).build();
+ }
+
+ @GET
+ @Path("engine/tools/loggers/{logger}")
+ @Produces(MediaType.TEXT_PLAIN)
+ @ApiOperation(value = "logging level of a logger")
+ @ApiResponses(value = {@ApiResponse(code = 500, message = "logging misconfiguration"),
+ @ApiResponse(code = 404, message = "logger not found")})
+ public Response loggerName(
+ @ApiParam(value = "Logger Name", required = true) @PathParam("logger") String loggerName) {
+ if (!(LoggerFactory.getILoggerFactory() instanceof LoggerContext)) {
+ logger.warn("The SLF4J logger factory is not configured for logback");
+ return Response.status(Status.INTERNAL_SERVER_ERROR).build();
}
-
- @GET
- @Path("engine/tools/loggers/{logger}")
- @Produces(MediaType.TEXT_PLAIN)
- @ApiOperation(
- value="logging level of a logger"
- )
- @ApiResponses(value = {
- @ApiResponse(code=500, message="logging misconfiguration"),
- @ApiResponse(code=404, message="logger not found")
- })
- public Response loggerName(@ApiParam(value="Logger Name", required=true)
- @PathParam("logger") String loggerName) {
- if (!(LoggerFactory.getILoggerFactory() instanceof LoggerContext)) {
- logger.warn("The SLF4J logger factory is not configured for logback");
- return Response.status(Status.INTERNAL_SERVER_ERROR).build();
- }
-
- LoggerContext context =
- (LoggerContext) LoggerFactory.getILoggerFactory();
- ch.qos.logback.classic.Logger logger = context.getLogger(loggerName);
- if (logger == null) {
- return Response.status(Status.NOT_FOUND).build();
- }
-
- String loggerLevel = (logger.getLevel() != null) ? logger.getLevel().toString() : "";
- return Response.status(Status.OK).entity(loggerLevel).build();
+
+ final LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory();
+ final ch.qos.logback.classic.Logger logger = context.getLogger(loggerName);
+ if (logger == null) {
+ return Response.status(Status.NOT_FOUND).build();
}
-
- @PUT
- @Path("engine/tools/loggers/{logger}/{level}")
- @Produces(MediaType.TEXT_PLAIN)
- @Consumes(MediaType.TEXT_PLAIN)
- @ApiOperation(
- value="sets the logger level",
- notes="Please use the SLF4J logger levels"
- )
- @ApiResponses(value = {
- @ApiResponse(code=500, message="logging misconfiguration"),
- @ApiResponse(code=404, message="logger not found")
- })
- public Response loggerName(@ApiParam(value="Logger Name", required=true)
- @PathParam("logger") String loggerName,
- @ApiParam(value="Logger Level", required=true)
- @PathParam("level") String loggerLevel) {
- if (!(LoggerFactory.getILoggerFactory() instanceof LoggerContext)) {
- logger.warn("The SLF4J logger factory is not configured for logback");
- return Response.status(Status.INTERNAL_SERVER_ERROR).build();
- }
-
- LoggerContext context =
- (LoggerContext) LoggerFactory.getILoggerFactory();
- ch.qos.logback.classic.Logger logger = context.getLogger(loggerName);
- if (logger == null) {
- return Response.status(Status.NOT_FOUND).build();
- }
-
- logger.setLevel(ch.qos.logback.classic.Level.toLevel(loggerLevel));
- return Response.status(Status.OK).entity(logger.getLevel().toString()).build();
+
+ final String loggerLevel = (logger.getLevel() != null) ? logger.getLevel().toString() : "";
+ return Response.status(Status.OK).entity(loggerLevel).build();
+ }
+
+ @PUT
+ @Path("engine/tools/loggers/{logger}/{level}")
+ @Produces(MediaType.TEXT_PLAIN)
+ @Consumes(MediaType.TEXT_PLAIN)
+ @ApiOperation(value = "sets the logger level", notes = "Please use the SLF4J logger levels")
+ @ApiResponses(value = {@ApiResponse(code = 500, message = "logging misconfiguration"),
+ @ApiResponse(code = 404, message = "logger not found")})
+ public Response loggerName(
+ @ApiParam(value = "Logger Name", required = true) @PathParam("logger") String loggerName,
+ @ApiParam(value = "Logger Level", required = true) @PathParam("level") String loggerLevel) {
+
+ String newLevel;
+ try {
+ newLevel = LoggerUtil.setLevel(loggerName, loggerLevel);
+ } catch (final IllegalArgumentException e) {
+ logger.warn("{}: no logger {}", this, loggerName, loggerLevel, e);
+ return Response.status(Status.NOT_FOUND).build();
+ } catch (final IllegalStateException e) {
+ logger.warn("{}: logging framework unavailable for {} / {}", this, loggerName, loggerLevel,
+ e);
+ return Response.status(Status.INTERNAL_SERVER_ERROR).build();
}
-
+
+ return Response.status(Status.OK).entity(newLevel
+
+ ).build();
+ }
+
+ /**
+ * gets the underlying drools controller from the named policy controller
+ *
+ * @param controllerName the policy controller name
+ * @return the underlying drools controller
+ * @throws IllegalArgumentException if an invalid controller name has been passed in
+ */
+ protected DroolsController getDroolsController(String controllerName) {
+ final PolicyController controller = PolicyController.factory.get(controllerName);
+ if (controller == null)
+ throw new IllegalArgumentException(controllerName + " does not exist");
+
+ final DroolsController drools = controller.getDrools();
+ if (drools == null)
+ throw new IllegalArgumentException(controllerName + " has no drools configuration");
+
+ return drools;
+ }
+
+ /*
+ * Helper classes for aggregation of results
+ */
+
+ @Override
+ public String toString() {
+ final StringBuilder builder = new StringBuilder();
+ builder.append("rest-telemetry-api []");
+ return builder.toString();
+ }
+
+ /**
+ * Coding/Encoding Results Aggregation Helper class
+ */
+ public static class CodingResult {
/**
- * gets the underlying drools controller from the named policy controller
- * @param controllerName the policy controller name
- * @return the underlying drools controller
- * @throws IllegalArgumentException if an invalid controller name has been passed in
+ * serialized output
*/
- protected DroolsController getDroolsController(String controllerName) {
- PolicyController controller = PolicyController.factory.get(controllerName);
- if (controller == null)
- throw new IllegalArgumentException(controllerName + " does not exist");
-
- DroolsController drools = controller.getDrools();
- if (drools == null)
- throw new IllegalArgumentException(controllerName + " has no drools configuration");
-
- return drools;
- }
-
- /*
- * Helper classes for aggregation of results
+
+ public String jsonEncoding;
+ /**
+ * encoding result
+ */
+
+ public Boolean encoding;
+
+ /**
+ * decoding result
*/
-
- @Override
- public String toString() {
- StringBuilder builder = new StringBuilder();
- builder.append("rest-telemetry-api []");
- return builder.toString();
- }
-
- /**
- * Coding/Encoding Results Aggregation Helper class
- */
- public static class CodingResult {
- /**
- * serialized output
- */
-
- public String jsonEncoding;
- /**
- * encoding result
- */
-
- public Boolean encoding;
-
- /**
- * decoding result
- */
- public Boolean decoding;
- }
-
- /**
- * Generic Error Reporting class
- */
- public static class Error {
- public String error;
-
- public Error(String error) {
- this.error = error;
- }
- }
-
- /**
- * Feed Ports into Resources
- */
- public enum Inputs {
- configuration,
- }
-
- /**
- * Resource Toggles
- */
- public enum Switches {
- activation,
- lock,
- }
+ public Boolean decoding;
+ }
+
+ /**
+ * Generic Error Reporting class
+ */
+ public static class Error {
+ public String error;
+
+ public Error(String error) {
+ this.error = error;
+ }
+ }
+
+ /**
+ * Feed Ports into Resources
+ */
+ public enum Inputs {
+ configuration,
+ }
+
+ /**
+ * Resource Toggles
+ */
+ public enum Switches {
+ activation, lock,
+ }
}
diff --git a/policy-management/src/main/java/org/onap/policy/drools/system/Main.java b/policy-management/src/main/java/org/onap/policy/drools/system/Main.java
index 49dfafca..bcc59c71 100644
--- a/policy-management/src/main/java/org/onap/policy/drools/system/Main.java
+++ b/policy-management/src/main/java/org/onap/policy/drools/system/Main.java
@@ -7,9 +7,9 @@
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
- *
+ *
* http://www.apache.org/licenses/LICENSE-2.0
- *
+ *
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -20,15 +20,14 @@
package org.onap.policy.drools.system;
-import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
-import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Properties;
import org.onap.policy.drools.persistence.SystemPersistence;
-import org.onap.policy.drools.utils.PropertyUtil;
+import org.onap.policy.drools.properties.PolicyProperties;
+import org.onap.policy.drools.utils.LoggerUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -37,116 +36,110 @@ import org.slf4j.LoggerFactory;
*/
public class Main {
- /**
- * logback configuration file system property
- */
- public static final String LOGBACK_CONFIGURATION_FILE_SYSTEM_PROPERTY = "logback.configurationFile";
-
- /**
- * logback configuration file system property
- */
- public static final String LOGBACK_CONFIGURATION_FILE_DEFAULT = "config/logback.xml";
-
- /**
- * constructor (hides public default one)
- */
- private Main() {}
-
- /**
- * main
- *
- * @param args program arguments
- * @throws IOException
- */
- public static void main(String args[]) {
-
- /* make sure the configuration directory exists */
-
- Path configDir = Paths.get(SystemPersistence.CONFIG_DIR_NAME);
- if (Files.notExists(configDir)) {
- try {
- Files.createDirectories(configDir);
- } catch (IOException e) {
- throw new IllegalStateException("cannot create " + SystemPersistence.CONFIG_DIR_NAME, e);
- }
- }
-
- if (!Files.isDirectory(configDir))
- throw new IllegalStateException
- ("config directory: " + configDir + " is not a directory");
-
- /* logging defaults */
-
- if (System.getProperty(LOGBACK_CONFIGURATION_FILE_SYSTEM_PROPERTY) == null)
- System.setProperty(LOGBACK_CONFIGURATION_FILE_SYSTEM_PROPERTY, LOGBACK_CONFIGURATION_FILE_DEFAULT);
-
- /* 0. boot */
-
- PolicyEngine.manager.boot(args);
-
- /* start logger */
-
- Logger logger = LoggerFactory.getLogger(Main.class);
-
- /* 1. Configure the Engine */
-
- Path policyEnginePath = Paths.get(configDir.toString(), SystemPersistence.PROPERTIES_FILE_ENGINE);
- try {
- if (Files.exists(policyEnginePath))
- PolicyEngine.manager.configure(PropertyUtil.getProperties(policyEnginePath.toFile()));
- else
- PolicyEngine.manager.configure(PolicyEngine.manager.defaultTelemetryConfig());
- } catch (Exception e) {
- logger.warn("Main: {} could not find custom configuration in {}.",
- PolicyEngine.manager, SystemPersistence.PROPERTIES_FILE_ENGINE, e);
-
- /* continue without telemetry or other custom components - this is OK */
- }
-
- /* 2. Start the Engine with the basic services only (no Policy Controllers) */
-
- try {
- boolean success = PolicyEngine.manager.start();
- if (!success) {
- logger.warn("Main: {} has been partially started", PolicyEngine.manager);
- }
- } catch (IllegalStateException e) {
- logger.warn("Main: cannot start {} (bad state) because of {}", PolicyEngine.manager, e.getMessage(), e);
- } catch (Exception e) {
- logger.warn("Main: cannot start {} because of {}", PolicyEngine.manager, e.getMessage(), e);
- System.exit(1);
- }
-
- /* 3. Create and start the controllers */
-
- File[] controllerFiles = configDir.toFile().listFiles();
- for (File config : controllerFiles) {
-
- if (config.getName().endsWith(SystemPersistence.PROPERTIES_FILE_CONTROLLER_SUFFIX)) {
- int idxSuffix =
- config.getName().indexOf(SystemPersistence.PROPERTIES_FILE_CONTROLLER_SUFFIX);
- int lastIdxSuffix =
- config.getName().lastIndexOf(SystemPersistence.PROPERTIES_FILE_CONTROLLER_SUFFIX);
- if (idxSuffix != lastIdxSuffix) {
- throw new IllegalArgumentException
- ("Improper naming of controller properties file: " +
- "Expected <controller-name>" +
- SystemPersistence.PROPERTIES_FILE_CONTROLLER_SUFFIX);
- }
-
- String name =
- config.getName().substring(0, lastIdxSuffix);
- try {
- Properties properties = PropertyUtil.getProperties(config);
- PolicyController controller = PolicyEngine.manager.createPolicyController(name, properties);
- controller.start();
- } catch (Exception e) {
- logger.error("Main: cannot instantiate policy-controller {} because of {}", name, e.getMessage(), e);
- } catch (LinkageError e) {
- logger.warn("Main: cannot instantiate policy-controller {} (linkage) because of {}",
- name, e.getMessage(), e);
- }
- }
- }
- }
+ /**
+ * logback configuration file system property
+ */
+ public static final String LOGBACK_CONFIGURATION_FILE_SYSTEM_PROPERTY =
+ "logback.configurationFile";
+
+ /**
+ * logback configuration file system property
+ */
+ public static final String LOGBACK_CONFIGURATION_FILE_DEFAULT = "config/logback.xml";
+
+ /**
+ * constructor (hides public default one)
+ */
+ private Main() {}
+
+ /**
+ * main
+ *
+ * @param args program arguments
+ * @throws IOException
+ */
+ public static void main(String args[]) {
+
+ /* logging defaults */
+
+ if (System.getProperty(LOGBACK_CONFIGURATION_FILE_SYSTEM_PROPERTY) == null) {
+ if (Files.exists(Paths.get(LOGBACK_CONFIGURATION_FILE_DEFAULT))) {
+ System.setProperty(LOGBACK_CONFIGURATION_FILE_SYSTEM_PROPERTY,
+ LOGBACK_CONFIGURATION_FILE_DEFAULT);
+ } else {
+ LoggerUtil.setLevel(LoggerUtil.ROOT_LOGGER, ch.qos.logback.classic.Level.INFO.toString());
+ }
+ }
+
+ /* make sure the default configuration directory is properly set up */
+
+ SystemPersistence.manager.setConfigurationDir(null);
+
+ /* logging defaults */
+
+ if (System.getProperty(LOGBACK_CONFIGURATION_FILE_SYSTEM_PROPERTY) == null) {
+ if (Files.exists(Paths.get(LOGBACK_CONFIGURATION_FILE_DEFAULT))) {
+ System.setProperty(LOGBACK_CONFIGURATION_FILE_SYSTEM_PROPERTY,
+ LOGBACK_CONFIGURATION_FILE_DEFAULT);
+ } else {
+ LoggerUtil.setLevel(LoggerUtil.ROOT_LOGGER, ch.qos.logback.classic.Level.INFO.toString());
+ }
+ }
+
+ /* 0. boot */
+
+ PolicyEngine.manager.boot(args);
+
+ /* start logger */
+
+ final Logger logger = LoggerFactory.getLogger(Main.class);
+
+ /* 1.a. Configure the Engine */
+
+ Properties engineProperties = SystemPersistence.manager.getEngineProperties();
+ if (engineProperties == null)
+ engineProperties = PolicyEngine.manager.defaultTelemetryConfig();
+
+ PolicyEngine.manager.configure(PolicyEngine.manager.defaultTelemetryConfig());
+
+ /* 1.b. Load Installation Environment(s) */
+
+ for (final Properties env : SystemPersistence.manager.getEnvironmentProperties()) {
+ PolicyEngine.manager.setEnvironment(env);
+ }
+
+ /* 2. Start the Engine with the basic services only (no Policy Controllers) */
+
+ try {
+ final boolean success = PolicyEngine.manager.start();
+ if (!success) {
+ logger.warn("Main: {} has been partially started", PolicyEngine.manager);
+ }
+ } catch (final IllegalStateException e) {
+ logger.warn("Main: cannot start {} (bad state) because of {}", PolicyEngine.manager,
+ e.getMessage(), e);
+ } catch (final Exception e) {
+ logger.warn("Main: cannot start {} because of {}", PolicyEngine.manager, e.getMessage(), e);
+ System.exit(1);
+ }
+
+ /* 3. Create and start the controllers */
+
+ for (final Properties controllerProperties : SystemPersistence.manager
+ .getControllerProperties()) {
+ final String controllerName =
+ controllerProperties.getProperty(PolicyProperties.PROPERTY_CONTROLLER_NAME);
+ try {
+ final PolicyController controller =
+ PolicyEngine.manager.createPolicyController(controllerName, controllerProperties);
+ controller.start();
+ } catch (final Exception e) {
+ logger.error("Main: cannot instantiate policy-controller {} because of {}", controllerName,
+ e.getMessage(), e);
+ } catch (final LinkageError e) {
+ logger.warn("Main: cannot instantiate policy-controller {} (linkage) because of {}",
+ controllerName, e.getMessage(), e);
+ }
+ }
+ }
}
diff --git a/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngine.java b/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngine.java
index bfda2450..a262352b 100644
--- a/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngine.java
+++ b/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngine.java
@@ -7,9 +7,9 @@
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
- *
+ *
* http://www.apache.org/licenses/LICENSE-2.0
- *
+ *
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -24,8 +24,6 @@ import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
import org.onap.policy.drools.controller.DroolsController;
import org.onap.policy.drools.core.PolicyContainer;
import org.onap.policy.drools.core.jmx.PdpJmxListener;
@@ -46,6 +44,8 @@ import org.onap.policy.drools.protocol.coders.EventProtocolCoder;
import org.onap.policy.drools.protocol.configuration.ControllerConfiguration;
import org.onap.policy.drools.protocol.configuration.PdpdConfiguration;
import org.onap.policy.drools.server.restful.RestManager;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonProperty;
@@ -53,1358 +53,1387 @@ import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
/**
- * Policy Engine, the top abstraction for the Drools PDP Policy Engine.
- * It abstracts away a Drools PDP Engine from management purposes.
- * This is the best place to looking at the code from a top down approach.
- * Other managed entities can be obtained from the PolicyEngine, hierarchically.
- * <br>
- * PolicyEngine 1 --- * PolicyController 1 --- 1 DroolsController 1 --- 1 PolicyContainer 1 --- * PolicySession
- * <br>
- * PolicyEngine 1 --- 1 TopicEndpointManager 1 -- * TopicReader 1 --- 1 UebTopicReader
- * <br>
- * PolicyEngine 1 --- 1 TopicEndpointManager 1 -- * TopicReader 1 --- 1 DmaapTopicReader
- * <br>
- * PolicyEngine 1 --- 1 TopicEndpointManager 1 -- * TopicWriter 1 --- 1 DmaapTopicWriter
- * <br>
- * PolicyEngine 1 --- 1 TopicEndpointManager 1 -- * TopicReader 1 --- 1 RestTopicReader
- * <br>
- * PolicyEngine 1 --- 1 TopicEndpointManager 1 -- * TopicWriter 1 --- 1 RestTopicWriter
- * <br>
+ * Policy Engine, the top abstraction for the Drools PDP Policy Engine. It abstracts away a Drools
+ * PDP Engine from management purposes. This is the best place to looking at the code from a top
+ * down approach. Other managed entities can be obtained from the PolicyEngine, hierarchically. <br>
+ * PolicyEngine 1 --- * PolicyController 1 --- 1 DroolsController 1 --- 1 PolicyContainer 1 --- *
+ * PolicySession <br>
+ * PolicyEngine 1 --- 1 TopicEndpointManager 1 -- * TopicReader 1 --- 1 UebTopicReader <br>
+ * PolicyEngine 1 --- 1 TopicEndpointManager 1 -- * TopicReader 1 --- 1 DmaapTopicReader <br>
+ * PolicyEngine 1 --- 1 TopicEndpointManager 1 -- * TopicWriter 1 --- 1 DmaapTopicWriter <br>
+ * PolicyEngine 1 --- 1 TopicEndpointManager 1 -- * TopicReader 1 --- 1 RestTopicReader <br>
+ * PolicyEngine 1 --- 1 TopicEndpointManager 1 -- * TopicWriter 1 --- 1 RestTopicWriter <br>
* PolicyEngine 1 --- 1 ManagementServer
*/
-public interface PolicyEngine extends Startable, Lockable, TopicListener {
- /**
- * Default Telemetry Server Port
- */
- public static final int TELEMETRY_SERVER_DEFAULT_PORT = 9696;
-
- /**
- * Default Telemetry Server Hostname
- */
- public static final String TELEMETRY_SERVER_DEFAULT_HOST = "localhost";
-
- /**
- * Default Telemetry Server Name
- */
- public static final String TELEMETRY_SERVER_DEFAULT_NAME = "TELEMETRY";
-
- /**
- * Boot the engine
- *
- * @param cliArgs command line arguments
- */
- public void boot(String cliArgs[]);
-
- /**
- * configure the policy engine according to the given properties
- *
- * @param properties Policy Engine properties
- * @throws IllegalArgumentException when invalid or insufficient
- * properties are provided
- */
- public void configure(Properties properties);
-
- /**
- * registers a new Policy Controller with the Policy Engine
- * initialized per properties.
- *
- * @param controller name
- * @param properties properties to initialize the Policy Controller
- * @throws IllegalArgumentException when invalid or insufficient
- * properties are provided
- * @throws IllegalStateException when the engine is in a state where
- * this operation is not permitted.
- * @return the newly instantiated Policy Controller
- */
- public PolicyController createPolicyController(String name, Properties properties);
-
- /**
- * updates the Policy Engine with the given configuration
- *
- * @param configuration the configuration
- * @return success or failure
- * @throws IllegalArgumentException if invalid argument provided
- * @throws IllegalStateException if the system is in an invalid state
- */
- public boolean configure(PdpdConfiguration configuration);
-
- /**
- * updates a set of Policy Controllers with configuration information
- *
- * @param configuration
- * @return
- * @throws IllegalArgumentException
- * @throws IllegalStateException
- */
- public List<PolicyController> updatePolicyControllers(List<ControllerConfiguration> configuration);
-
- /**
- * updates an already existing Policy Controller with configuration information
- *
- * @param configuration configuration
- *
- * @return the updated Policy Controller
- * @throws IllegalArgumentException in the configuration is invalid
- * @throws IllegalStateException if the controller is in a bad state
- * @throws Exception any other reason
- */
- public PolicyController updatePolicyController(ControllerConfiguration configuration);
-
- /**
- * removes the Policy Controller identified by its name from the Policy Engine
- *
- * @param name name of the Policy Controller
- * @return the removed Policy Controller
- */
- public void removePolicyController(String name);
-
- /**
- * removes a Policy Controller from the Policy Engine
- * @param controller the Policy Controller to remove from the Policy Engine
- */
- public void removePolicyController(PolicyController controller);
-
- /**
- * returns a list of the available Policy Controllers
- *
- * @return list of Policy Controllers
- */
- public List<PolicyController> getPolicyControllers();
-
-
- /**
- * get policy controller names
- *
- * @return list of controller names
- */
- public List<String> getPolicyControllerIds();
-
- /**
- * get unmanaged sources
- *
- * @return unmanaged sources
- */
- public List<TopicSource> getSources();
-
- /**
- * get unmanaged sinks
- *
- * @return unmanaged sinks
- */
- public List<TopicSink> getSinks();
-
- /**
- * get unmmanaged http servers list
- * @return http servers
- */
- public List<HttpServletServer> getHttpServers();
-
- /**
- * get properties configuration
- *
- * @return properties objects
- */
- public Properties getProperties();
-
- /**
- * get features attached to the Policy Engine
- * @return list of features
- */
- public List<PolicyEngineFeatureAPI> getFeatureProviders();
-
- /**
- * get named feature attached to the Policy Engine
- * @return the feature
- */
- public PolicyEngineFeatureAPI getFeatureProvider(String featureName)
- throws IllegalArgumentException;
-
- /**
- * get features attached to the Policy Engine
- * @return list of features
- */
- public List<String> getFeatures();
-
- /**
- * Attempts the dispatching of an "event" object
- *
- * @param topic topic
- * @param event the event object to send
- *
- * @return true if successful, false if a failure has occurred.
- * @throws IllegalArgumentException when invalid or insufficient
- * properties are provided
- * @throws IllegalStateException when the engine is in a state where
- * this operation is not permitted (ie. locked or stopped).
- */
- public boolean deliver(String topic, Object event)
- throws IllegalArgumentException, IllegalStateException;
-
- /**
- * Attempts the dispatching of an "event" object over communication
- * infrastructure "busType"
- *
- * @param eventBus Communication infrastructure identifier
- * @param topic topic
- * @param event the event object to send
- *
- * @return true if successful, false if a failure has occurred.
- * @throws IllegalArgumentException when invalid or insufficient
- * properties are provided
- * @throws IllegalStateException when the engine is in a state where
- * this operation is not permitted (ie. locked or stopped).
- * @throws UnsupportedOperationException when the engine cannot deliver due
- * to the functionality missing (ie. communication infrastructure
- * not supported.
- */
- public boolean deliver(String busType, String topic, Object event)
- throws IllegalArgumentException, IllegalStateException,
- UnsupportedOperationException;
-
- /**
- * Attempts the dispatching of an "event" object over communication
- * infrastructure "busType"
- *
- * @param eventBus Communication infrastructure enum
- * @param topic topic
- * @param event the event object to send
- *
- * @return true if successful, false if a failure has occurred.
- * @throws IllegalArgumentException when invalid or insufficient
- * properties are provided
- * @throws IllegalStateException when the engine is in a state where
- * this operation is not permitted (ie. locked or stopped).
- * @throws UnsupportedOperationException when the engine cannot deliver due
- * to the functionality missing (ie. communication infrastructure
- * not supported.
- */
- public boolean deliver(CommInfrastructure busType, String topic, Object event)
- throws IllegalArgumentException, IllegalStateException,
- UnsupportedOperationException;
-
- /**
- * Attempts delivering of an String over communication
- * infrastructure "busType"
- *
- * @param eventBus Communication infrastructure identifier
- * @param topic topic
- * @param event the event object to send
- *
- * @return true if successful, false if a failure has occurred.
- * @throws IllegalArgumentException when invalid or insufficient
- * properties are provided
- * @throws IllegalStateException when the engine is in a state where
- * this operation is not permitted (ie. locked or stopped).
- * @throws UnsupportedOperationException when the engine cannot deliver due
- * to the functionality missing (ie. communication infrastructure
- * not supported.
- */
- public boolean deliver(CommInfrastructure busType, String topic,
- String event)
- throws IllegalArgumentException, IllegalStateException,
- UnsupportedOperationException;
-
- /**
- * Invoked when the host goes into the active state.
- */
- public void activate();
-
- /**
- * Invoked when the host goes into the standby state.
- */
- public void deactivate();
-
- /**
- * produces a default telemetry configuration
- *
- * @return policy engine configuration
- */
- public Properties defaultTelemetryConfig();
-
- /**
- * Policy Engine Manager
- */
- public final static PolicyEngine manager = new PolicyEngineManager();
+public interface PolicyEngine extends Startable, Lockable, TopicListener {
+ /**
+ * Default Telemetry Server Port
+ */
+ public static final int TELEMETRY_SERVER_DEFAULT_PORT = 9696;
+
+ /**
+ * Default Telemetry Server Hostname
+ */
+ public static final String TELEMETRY_SERVER_DEFAULT_HOST = "localhost";
+
+ /**
+ * Default Telemetry Server Name
+ */
+ public static final String TELEMETRY_SERVER_DEFAULT_NAME = "TELEMETRY";
+
+ /**
+ * Boot the engine
+ *
+ * @param cliArgs command line arguments
+ */
+ public void boot(String cliArgs[]);
+
+ /**
+ * configure the policy engine according to the given properties
+ *
+ * @param properties Policy Engine properties
+ * @throws IllegalArgumentException when invalid or insufficient properties are provided
+ */
+ public void configure(Properties properties);
+
+ /**
+ * configure the engine's environment. General lab installation configuration is made available to
+ * the Engine. Typically, custom lab installation that may be needed by arbitrary drools
+ * applications are made available, for example network component and database host addresses.
+ * Multiple environments can be passed in and tracked by the engine.
+ *
+ * @param properties an environment properties
+ */
+ public void setEnvironment(Properties properties);
+
+ /**
+ * gets the engine's environment
+ *
+ * @return
+ */
+ public Properties getEnvironment();
+
+ /**
+ * gets an environment's value, by 1) first from the engine's environment, and 2) from the OS
+ * environment
+ *
+ * @param key environment key
+ * @return environment value or null if absent
+ */
+ public String getEnvironmentProperty(String key);
+
+ /**
+ * sets an engine's environment property
+ *
+ * @param key
+ * @param value
+ * @return
+ */
+ public String setEnvironmentProperty(String key, String value);
+
+ /**
+ * registers a new Policy Controller with the Policy Engine initialized per properties.
+ *
+ * @param controller name
+ * @param properties properties to initialize the Policy Controller
+ * @throws IllegalArgumentException when invalid or insufficient properties are provided
+ * @throws IllegalStateException when the engine is in a state where this operation is not
+ * permitted.
+ * @return the newly instantiated Policy Controller
+ */
+ public PolicyController createPolicyController(String name, Properties properties);
+
+ /**
+ * updates the Policy Engine with the given configuration
+ *
+ * @param configuration the configuration
+ * @return success or failure
+ * @throws IllegalArgumentException if invalid argument provided
+ * @throws IllegalStateException if the system is in an invalid state
+ */
+ public boolean configure(PdpdConfiguration configuration);
+
+ /**
+ * updates a set of Policy Controllers with configuration information
+ *
+ * @param configuration
+ * @return
+ * @throws IllegalArgumentException
+ * @throws IllegalStateException
+ */
+ public List<PolicyController> updatePolicyControllers(
+ List<ControllerConfiguration> configuration);
+
+ /**
+ * updates an already existing Policy Controller with configuration information
+ *
+ * @param configuration configuration
+ *
+ * @return the updated Policy Controller
+ * @throws IllegalArgumentException in the configuration is invalid
+ * @throws IllegalStateException if the controller is in a bad state
+ * @throws Exception any other reason
+ */
+ public PolicyController updatePolicyController(ControllerConfiguration configuration);
+
+ /**
+ * removes the Policy Controller identified by its name from the Policy Engine
+ *
+ * @param name name of the Policy Controller
+ * @return the removed Policy Controller
+ */
+ public void removePolicyController(String name);
+
+ /**
+ * removes a Policy Controller from the Policy Engine
+ *
+ * @param controller the Policy Controller to remove from the Policy Engine
+ */
+ public void removePolicyController(PolicyController controller);
+
+ /**
+ * returns a list of the available Policy Controllers
+ *
+ * @return list of Policy Controllers
+ */
+ public List<PolicyController> getPolicyControllers();
+
+
+ /**
+ * get policy controller names
+ *
+ * @return list of controller names
+ */
+ public List<String> getPolicyControllerIds();
+
+ /**
+ * get unmanaged sources
+ *
+ * @return unmanaged sources
+ */
+ public List<TopicSource> getSources();
+
+ /**
+ * get unmanaged sinks
+ *
+ * @return unmanaged sinks
+ */
+ public List<TopicSink> getSinks();
+
+ /**
+ * get unmmanaged http servers list
+ *
+ * @return http servers
+ */
+ public List<HttpServletServer> getHttpServers();
+
+ /**
+ * get properties configuration
+ *
+ * @return properties objects
+ */
+ public Properties getProperties();
+
+ /**
+ * get features attached to the Policy Engine
+ *
+ * @return list of features
+ */
+ public List<PolicyEngineFeatureAPI> getFeatureProviders();
+
+ /**
+ * get named feature attached to the Policy Engine
+ *
+ * @return the feature
+ */
+ public PolicyEngineFeatureAPI getFeatureProvider(String featureName)
+ throws IllegalArgumentException;
+
+ /**
+ * get features attached to the Policy Engine
+ *
+ * @return list of features
+ */
+ public List<String> getFeatures();
+
+ /**
+ * Attempts the dispatching of an "event" object
+ *
+ * @param topic topic
+ * @param event the event object to send
+ *
+ * @return true if successful, false if a failure has occurred.
+ * @throws IllegalArgumentException when invalid or insufficient properties are provided
+ * @throws IllegalStateException when the engine is in a state where this operation is not
+ * permitted (ie. locked or stopped).
+ */
+ public boolean deliver(String topic, Object event)
+ throws IllegalArgumentException, IllegalStateException;
+
+ /**
+ * Attempts the dispatching of an "event" object over communication infrastructure "busType"
+ *
+ * @param eventBus Communication infrastructure identifier
+ * @param topic topic
+ * @param event the event object to send
+ *
+ * @return true if successful, false if a failure has occurred.
+ * @throws IllegalArgumentException when invalid or insufficient properties are provided
+ * @throws IllegalStateException when the engine is in a state where this operation is not
+ * permitted (ie. locked or stopped).
+ * @throws UnsupportedOperationException when the engine cannot deliver due to the functionality
+ * missing (ie. communication infrastructure not supported.
+ */
+ public boolean deliver(String busType, String topic, Object event)
+ throws IllegalArgumentException, IllegalStateException, UnsupportedOperationException;
+
+ /**
+ * Attempts the dispatching of an "event" object over communication infrastructure "busType"
+ *
+ * @param eventBus Communication infrastructure enum
+ * @param topic topic
+ * @param event the event object to send
+ *
+ * @return true if successful, false if a failure has occurred.
+ * @throws IllegalArgumentException when invalid or insufficient properties are provided
+ * @throws IllegalStateException when the engine is in a state where this operation is not
+ * permitted (ie. locked or stopped).
+ * @throws UnsupportedOperationException when the engine cannot deliver due to the functionality
+ * missing (ie. communication infrastructure not supported.
+ */
+ public boolean deliver(CommInfrastructure busType, String topic, Object event)
+ throws IllegalArgumentException, IllegalStateException, UnsupportedOperationException;
+
+ /**
+ * Attempts delivering of an String over communication infrastructure "busType"
+ *
+ * @param eventBus Communication infrastructure identifier
+ * @param topic topic
+ * @param event the event object to send
+ *
+ * @return true if successful, false if a failure has occurred.
+ * @throws IllegalArgumentException when invalid or insufficient properties are provided
+ * @throws IllegalStateException when the engine is in a state where this operation is not
+ * permitted (ie. locked or stopped).
+ * @throws UnsupportedOperationException when the engine cannot deliver due to the functionality
+ * missing (ie. communication infrastructure not supported.
+ */
+ public boolean deliver(CommInfrastructure busType, String topic, String event)
+ throws IllegalArgumentException, IllegalStateException, UnsupportedOperationException;
+
+ /**
+ * Invoked when the host goes into the active state.
+ */
+ public void activate();
+
+ /**
+ * Invoked when the host goes into the standby state.
+ */
+ public void deactivate();
+
+ /**
+ * produces a default telemetry configuration
+ *
+ * @return policy engine configuration
+ */
+ public Properties defaultTelemetryConfig();
+
+ /**
+ * Policy Engine Manager
+ */
+ public final static PolicyEngine manager = new PolicyEngineManager();
}
+
/**
* Policy Engine Manager Implementation
*/
class PolicyEngineManager implements PolicyEngine {
-
- /**
- * logger
- */
- private static Logger logger = LoggerFactory.getLogger(PolicyEngineManager.class);
-
- /**
- * Is the Policy Engine running?
- */
- protected boolean alive = false;
-
- /**
- * Is the engine locked?
- */
- protected boolean locked = false;
-
- /**
- * Properties used to initialize the engine
- */
- protected Properties properties;
-
- /**
- * Policy Engine Sources
- */
- protected List<? extends TopicSource> sources = new ArrayList<>();
-
- /**
- * Policy Engine Sinks
- */
- protected List<? extends TopicSink> sinks = new ArrayList<>();
-
- /**
- * Policy Engine HTTP Servers
- */
- protected List<HttpServletServer> httpServers = new ArrayList<HttpServletServer>();
-
- /**
- * gson parser to decode configuration requests
- */
- protected Gson decoder = new GsonBuilder().disableHtmlEscaping().create();
-
-
- @Override
- public synchronized void boot(String cliArgs[]) {
-
- for (PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
- try {
- if (feature.beforeBoot(this, cliArgs))
- return;
- } catch (Exception e) {
- logger.error("{}: feature {} before-boot failure because of {}",
- this, feature.getClass().getName(), e.getMessage(), e);
- }
- }
-
- try {
- PolicyContainer.globalInit(cliArgs);
- } catch (Exception e) {
- logger.error("{}: cannot init policy-container because of {}", this, e.getMessage(), e);
- }
-
- for (PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
- try {
- if (feature.afterBoot(this))
- return;
- } catch (Exception e) {
- logger.error("{}: feature {} after-boot failure because of {}",
- this, feature.getClass().getName(), e.getMessage(), e);
- }
- }
- }
-
-
- /**
- * produces a minimum configuration with the telemetry service enabled
- *
- * @return policy engine configuration
- */
- @Override
- public final Properties defaultTelemetryConfig() {
- Properties defaultConfig = new Properties();
-
- defaultConfig.put(PolicyProperties.PROPERTY_HTTP_SERVER_SERVICES, "TELEMETRY");
- defaultConfig.put(PolicyProperties.PROPERTY_HTTP_SERVER_SERVICES + "." +
- TELEMETRY_SERVER_DEFAULT_NAME +
- PolicyProperties.PROPERTY_HTTP_HOST_SUFFIX,
- TELEMETRY_SERVER_DEFAULT_HOST);
- defaultConfig.put(PolicyProperties.PROPERTY_HTTP_SERVER_SERVICES + "." +
- TELEMETRY_SERVER_DEFAULT_NAME +
- PolicyProperties.PROPERTY_HTTP_PORT_SUFFIX,
- "" + TELEMETRY_SERVER_DEFAULT_PORT);
- defaultConfig.put(PolicyProperties.PROPERTY_HTTP_SERVER_SERVICES + "." +
- TELEMETRY_SERVER_DEFAULT_NAME +
- PolicyProperties.PROPERTY_HTTP_REST_PACKAGES_SUFFIX,
- RestManager.class.getPackage().getName());
- defaultConfig.put(PolicyProperties.PROPERTY_HTTP_SERVER_SERVICES + "." +
- TELEMETRY_SERVER_DEFAULT_NAME +
- PolicyProperties.PROPERTY_HTTP_SWAGGER_SUFFIX,
- "" + Boolean.TRUE);
- defaultConfig.put(PolicyProperties.PROPERTY_HTTP_SERVER_SERVICES + "." +
- TELEMETRY_SERVER_DEFAULT_NAME +
- PolicyProperties.PROPERTY_MANAGED_SUFFIX,
- "" + Boolean.FALSE);
-
- return defaultConfig;
- }
-
- @Override
- public synchronized void configure(Properties properties) {
-
- if (properties == null) {
- logger.warn("No properties provided");
- throw new IllegalArgumentException("No properties provided");
- }
-
- /* policy-engine dispatch pre configure hook */
- for (PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
- try {
- if (feature.beforeConfigure(this, properties))
- return;
- } catch (Exception e) {
- logger.error("{}: feature {} before-configure failure because of {}",
- this, feature.getClass().getName(), e.getMessage(), e);
- }
- }
-
- this.properties = properties;
-
- try {
- this.sources = TopicEndpoint.manager.addTopicSources(properties);
- for (TopicSource source: this.sources) {
- source.register(this);
- }
- } catch (Exception e) {
- logger.error("{}: add-sources failed", this, e);
- }
-
- try {
- this.sinks = TopicEndpoint.manager.addTopicSinks(properties);
- } catch (IllegalArgumentException e) {
- logger.error("{}: add-sinks failed", this, e);
- }
-
- try {
- this.httpServers = HttpServletServer.factory.build(properties);
- } catch (IllegalArgumentException e) {
- logger.error("{}: add-http-servers failed", this, e);
- }
-
- /* policy-engine dispatch post configure hook */
- for (PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
- try {
- if (feature.afterConfigure(this))
- return;
- } catch (Exception e) {
- logger.error("{}: feature {} after-configure failure because of {}",
- this, feature.getClass().getName(), e.getMessage(), e);
- }
- }
-
- return;
- }
-
- @Override
- public synchronized PolicyController createPolicyController(String name, Properties properties)
- throws IllegalArgumentException, IllegalStateException {
-
- // check if a PROPERTY_CONTROLLER_NAME property is present
- // if so, override the given name
-
- String propertyControllerName = properties.getProperty(PolicyProperties.PROPERTY_CONTROLLER_NAME);
- if (propertyControllerName != null && !propertyControllerName.isEmpty()) {
- if (!propertyControllerName.equals(name)) {
- throw new IllegalStateException("Proposed name (" + name +
- ") and properties name (" + propertyControllerName +
- ") don't match");
- }
- name = propertyControllerName;
- }
-
- PolicyController controller;
- for (PolicyControllerFeatureAPI controllerFeature : PolicyControllerFeatureAPI.providers.getList()) {
- try {
- controller = controllerFeature.beforeCreate(name, properties);
- if (controller != null)
- return controller;
- } catch (Exception e) {
- logger.error("{}: feature {} before-controller-create failure because of {}",
- this, controllerFeature.getClass().getName(), e.getMessage(), e);
- }
- }
-
- controller = PolicyController.factory.build(name, properties);
- if (this.isLocked())
- controller.lock();
-
- // feature hook
- for (PolicyControllerFeatureAPI controllerFeature : PolicyControllerFeatureAPI.providers.getList()) {
- try {
- if (controllerFeature.afterCreate(controller))
- return controller;
- } catch (Exception e) {
- logger.error("{}: feature {} after-controller-create failure because of {}",
- this, controllerFeature.getClass().getName(), e.getMessage(), e);
- }
- }
-
- return controller;
- }
-
-
- @Override
- public boolean configure(PdpdConfiguration config) {
-
- if (config == null)
- throw new IllegalArgumentException("No configuration provided");
-
- String entity = config.getEntity();
-
- switch (entity) {
- case PdpdConfiguration.CONFIG_ENTITY_CONTROLLER:
- /* only this one supported for now */
- List<ControllerConfiguration> configControllers = config.getControllers();
- if (configControllers == null || configControllers.isEmpty()) {
- if (logger.isInfoEnabled())
- logger.info("No controller configuration provided: " + config);
- return false;
- }
- List<PolicyController> policyControllers = this.updatePolicyControllers(config.getControllers());
- if (policyControllers == null || policyControllers.isEmpty())
- return false;
- else if (policyControllers.size() == configControllers.size())
- return true;
-
- return false;
- default:
- String msg = "Configuration Entity is not supported: " + entity;
- logger.warn(msg);
- throw new IllegalArgumentException(msg);
- }
- }
-
- @Override
- public List<PolicyController> updatePolicyControllers(List<ControllerConfiguration> configControllers)
- throws IllegalArgumentException, IllegalStateException {
-
- List<PolicyController> policyControllers = new ArrayList<PolicyController>();
- if (configControllers == null || configControllers.isEmpty()) {
- if (logger.isInfoEnabled())
- logger.info("No controller configuration provided: " + configControllers);
- return policyControllers;
- }
-
- for (ControllerConfiguration configController: configControllers) {
- try {
- PolicyController policyController = this.updatePolicyController(configController);
- policyControllers.add(policyController);
- } catch (Exception e) {
- logger.error("{}: cannot update-policy-controllers because of {}", this, e.getMessage(), e);
- }
- }
-
- return policyControllers;
- }
-
- @Override
- public PolicyController updatePolicyController(ControllerConfiguration configController) {
-
- if (configController == null)
- throw new IllegalArgumentException("No controller configuration has been provided");
-
- String controllerName = configController.getName();
- if (controllerName == null || controllerName.isEmpty()) {
- logger.warn("controller-name must be provided");
- throw new IllegalArgumentException("No controller configuration has been provided");
- }
-
- PolicyController policyController = null;
- try {
- String operation = configController.getOperation();
- if (operation == null || operation.isEmpty()) {
- logger.warn("operation must be provided");
- throw new IllegalArgumentException("operation must be provided");
- }
-
- try {
- policyController = PolicyController.factory.get(controllerName);
- } catch (IllegalArgumentException e) {
- // not found
- logger.warn("Policy Controller " + controllerName + " not found", e);
- }
-
- if (policyController == null) {
-
- if (operation.equalsIgnoreCase(ControllerConfiguration.CONFIG_CONTROLLER_OPERATION_LOCK) ||
- operation.equalsIgnoreCase(ControllerConfiguration.CONFIG_CONTROLLER_OPERATION_UNLOCK)) {
- throw new IllegalArgumentException(controllerName + " is not available for operation " + operation);
- }
-
- /* Recovery case */
-
- logger.warn("controller " + controllerName + " does not exist. " +
- "Attempting recovery from disk");
-
- Properties properties =
- SystemPersistence.manager.getControllerProperties(controllerName);
-
- /*
- * returned properties cannot be null (per implementation)
- * assert (properties != null)
- */
-
- if (properties == null) {
- throw new IllegalArgumentException(controllerName + " is invalid");
- }
-
- logger.warn("controller " + controllerName + " being recovered. " +
- "Reset controller's bad maven coordinates to brainless");
-
- /*
- * try to bring up bad controller in brainless mode,
- * after having it working, apply the new create/update operation.
- */
- properties.setProperty(PolicyProperties.RULES_GROUPID, DroolsController.NO_GROUP_ID);
- properties.setProperty(PolicyProperties.RULES_ARTIFACTID, DroolsController.NO_ARTIFACT_ID);
- properties.setProperty(PolicyProperties.RULES_VERSION, DroolsController.NO_VERSION);
-
- policyController = PolicyEngine.manager.createPolicyController(controllerName, properties);
-
- /* fall through to do brain update operation*/
- }
-
- switch (operation) {
- case ControllerConfiguration.CONFIG_CONTROLLER_OPERATION_CREATE:
- PolicyController.factory.patch(policyController, configController.getDrools());
- break;
- case ControllerConfiguration.CONFIG_CONTROLLER_OPERATION_UPDATE:
- policyController.unlock();
- PolicyController.factory.patch(policyController, configController.getDrools());
- break;
- case ControllerConfiguration.CONFIG_CONTROLLER_OPERATION_LOCK:
- policyController.lock();
- break;
- case ControllerConfiguration.CONFIG_CONTROLLER_OPERATION_UNLOCK:
- policyController.unlock();
- break;
- default:
- String msg = "Controller Operation Configuration is not supported: " +
- operation + " for " + controllerName;
- logger.warn(msg);
- throw new IllegalArgumentException(msg);
- }
-
- return policyController;
- } catch (Exception e) {
- logger.error("{}: cannot update-policy-controller because of {}", this, e.getMessage(), e);
- throw e;
- } catch (LinkageError e) {
- logger.error("{}: cannot update-policy-controllers (rules) because of {}", this, e.getMessage(), e);
- throw new IllegalStateException(e);
- }
- }
-
- @Override
- public synchronized boolean start() {
-
- /* policy-engine dispatch pre start hook */
- for (PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
- try {
- if (feature.beforeStart(this))
- return true;
- } catch (Exception e) {
- logger.error("{}: feature {} before-start failure because of {}",
- this, feature.getClass().getName(), e.getMessage(), e);
- }
- }
-
- boolean success = true;
- if (this.locked)
- throw new IllegalStateException("Engine is locked");
-
- this.alive = true;
-
- /* Start Policy Engine exclusively-owned (unmanaged) http servers */
-
- for (HttpServletServer httpServer: this.httpServers) {
- try {
- if (!httpServer.waitedStart(5 * 1000L))
- success = false;
- } catch (Exception e) {
- logger.error("{}: cannot start http-server {} because of {}", this,
- httpServer, e.getMessage(), e);
- }
- }
-
- /* Start Policy Engine exclusively-owned (unmanaged) sources */
-
- for (TopicSource source: this.sources) {
- try {
- if (!source.start())
- success = false;
- } catch (Exception e) {
- logger.error("{}: cannot start topic-source {} because of {}", this,
- source, e.getMessage(), e);
- }
- }
-
- /* Start Policy Engine owned (unmanaged) sinks */
-
- for (TopicSink sink: this.sinks) {
- try {
- if (!sink.start())
- success = false;
- } catch (Exception e) {
- logger.error("{}: cannot start topic-sink {} because of {}", this,
- sink, e.getMessage(), e);
- }
- }
-
- /* Start Policy Controllers */
-
- List<PolicyController> controllers = PolicyController.factory.inventory();
- for (PolicyController controller : controllers) {
- try {
- if (!controller.start())
- success = false;
- } catch (Exception e) {
- logger.error("{}: cannot start policy-controller {} because of {}", this,
- controller, e.getMessage(), e);
- success = false;
- }
- }
-
- /* Start managed Topic Endpoints */
-
- try {
- if (!TopicEndpoint.manager.start())
- success = false;
- } catch (IllegalStateException e) {
- logger.warn("{}: Topic Endpoint Manager is in an invalid state because of {}", this, e.getMessage(), e);
- }
-
-
- // Start the JMX listener
-
- PdpJmxListener.start();
-
- /* policy-engine dispatch after start hook */
- for (PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
- try {
- if (feature.afterStart(this))
- return success;
- } catch (Exception e) {
- logger.error("{}: feature {} after-start failure because of {}",
- this, feature.getClass().getName(), e.getMessage(), e);
- }
- }
-
- return success;
- }
-
- @Override
- public synchronized boolean stop() {
-
- /* policy-engine dispatch pre stop hook */
- for (PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
- try {
- if (feature.beforeStop(this))
- return true;
- } catch (Exception e) {
- logger.error("{}: feature {} before-stop failure because of {}",
- this, feature.getClass().getName(), e.getMessage(), e);
- }
- }
-
- /* stop regardless of the lock state */
-
- boolean success = true;
- if (!this.alive)
- return true;
-
- this.alive = false;
-
- List<PolicyController> controllers = PolicyController.factory.inventory();
- for (PolicyController controller : controllers) {
- try {
- if (!controller.stop())
- success = false;
- } catch (Exception e) {
- logger.error("{}: cannot stop policy-controller {} because of {}", this,
- controller, e.getMessage(), e);
- success = false;
- }
- }
-
- /* Stop Policy Engine owned (unmanaged) sources */
- for (TopicSource source: this.sources) {
- try {
- if (!source.stop())
- success = false;
- } catch (Exception e) {
- logger.error("{}: cannot start topic-source {} because of {}", this,
- source, e.getMessage(), e);
- }
- }
-
- /* Stop Policy Engine owned (unmanaged) sinks */
- for (TopicSink sink: this.sinks) {
- try {
- if (!sink.stop())
- success = false;
- } catch (Exception e) {
- logger.error("{}: cannot start topic-sink {} because of {}", this,
- sink, e.getMessage(), e);
- }
- }
-
- /* stop all managed topics sources and sinks */
- if (!TopicEndpoint.manager.stop())
- success = false;
-
- /* stop all unmanaged http servers */
- for (HttpServletServer httpServer: this.httpServers) {
- try {
- if (!httpServer.stop())
- success = false;
- } catch (Exception e) {
- logger.error("{}: cannot start http-server {} because of {}", this,
- httpServer, e.getMessage(), e);
- }
- }
-
- /* policy-engine dispatch pre stop hook */
- for (PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
- try {
- if (feature.afterStop(this))
- return success;
- } catch (Exception e) {
- logger.error("{}: feature {} after-stop failure because of {}",
- this, feature.getClass().getName(), e.getMessage(), e);
- }
- }
-
- return success;
- }
-
- @Override
- public synchronized void shutdown() {
-
- /* policy-engine dispatch pre shutdown hook */
- for (PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
- try {
- if (feature.beforeShutdown(this))
- return;
- } catch (Exception e) {
- logger.error("{}: feature {} before-shutdown failure because of {}",
- this, feature.getClass().getName(), e.getMessage(), e);
- }
- }
-
- this.alive = false;
-
- /* Shutdown Policy Engine owned (unmanaged) sources */
- for (TopicSource source: this.sources) {
- try {
- source.shutdown();
- } catch (Exception e) {
- logger.error("{}: cannot shutdown topic-source {} because of {}", this,
- source, e.getMessage(), e);
- }
- }
-
- /* Shutdown Policy Engine owned (unmanaged) sinks */
- for (TopicSink sink: this.sinks) {
- try {
- sink.shutdown();
- } catch (Exception e) {
- logger.error("{}: cannot shutdown topic-sink {} because of {}", this,
- sink, e.getMessage(), e);
- }
- }
-
- /* Shutdown managed resources */
- PolicyController.factory.shutdown();
- TopicEndpoint.manager.shutdown();
- HttpServletServer.factory.destroy();
-
- // Stop the JMX listener
-
- PdpJmxListener.stop();
-
- /* policy-engine dispatch post shutdown hook */
- for (PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
- try {
- if (feature.afterShutdown(this))
- return;
- } catch (Exception e) {
- logger.error("{}: feature {} after-shutdown failure because of {}",
- this, feature.getClass().getName(), e.getMessage(), e);
- }
- }
-
-
- new Thread(new Runnable() {
- @Override
- public void run() {
- try {
- Thread.sleep(5000L);
- } catch (InterruptedException e) {
- logger.warn("{}: interrupted-exception while shutting down management server: ", this);
- }
-
- /* shutdown all unmanaged http servers */
- for (HttpServletServer httpServer: getHttpServers()) {
- try {
- httpServer.shutdown();
- } catch (Exception e) {
- logger.error("{}: cannot shutdown http-server {} because of {}", this,
- httpServer, e.getMessage(), e);
- }
- }
-
- try {
- Thread.sleep(5000L);
- } catch (InterruptedException e) {
- logger.warn("{}: interrupted-exception while shutting down management server: ", this);
- }
-
- System.exit(0);
- }
- }).start();
- }
-
- @Override
- public synchronized boolean isAlive() {
- return this.alive;
- }
-
- @Override
- public synchronized boolean lock() {
-
- /* policy-engine dispatch pre lock hook */
- for (PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
- try {
- if (feature.beforeLock(this))
- return true;
- } catch (Exception e) {
- logger.error("{}: feature {} before-lock failure because of {}",
- this, feature.getClass().getName(), e.getMessage(), e);
- }
- }
-
- if (this.locked)
- return true;
-
- this.locked = true;
-
- boolean success = true;
- List<PolicyController> controllers = PolicyController.factory.inventory();
- for (PolicyController controller : controllers) {
- try {
- success = controller.lock() && success;
- } catch (Exception e) {
- logger.error("{}: cannot lock policy-controller {} because of {}", this,
- controller, e.getMessage(), e);
- success = false;
- }
- }
-
- success = TopicEndpoint.manager.lock() && success;
-
- /* policy-engine dispatch post lock hook */
- for (PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
- try {
- if (feature.afterLock(this))
- return success;
- } catch (Exception e) {
- logger.error("{}: feature {} after-lock failure because of {}",
- this, feature.getClass().getName(), e.getMessage(), e);
- }
- }
-
- return success;
- }
-
- @Override
- public synchronized boolean unlock() {
-
- /* policy-engine dispatch pre unlock hook */
- for (PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
- try {
- if (feature.beforeUnlock(this))
- return true;
- } catch (Exception e) {
- logger.error("{}: feature {} before-unlock failure because of {}",
- this, feature.getClass().getName(), e.getMessage(), e);
- }
- }
-
- if (!this.locked)
- return true;
-
- this.locked = false;
-
- boolean success = true;
- List<PolicyController> controllers = PolicyController.factory.inventory();
- for (PolicyController controller : controllers) {
- try {
- success = controller.unlock() && success;
- } catch (Exception e) {
- logger.error("{}: cannot unlock policy-controller {} because of {}", this,
- controller, e.getMessage(), e);
- success = false;
- }
- }
-
- success = TopicEndpoint.manager.unlock() && success;
-
- /* policy-engine dispatch after unlock hook */
- for (PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
- try {
- if (feature.afterUnlock(this))
- return success;
- } catch (Exception e) {
- logger.error("{}: feature {} after-unlock failure because of {}",
- this, feature.getClass().getName(), e.getMessage(), e);
- }
- }
-
- return success;
- }
-
- @Override
- public synchronized boolean isLocked() {
- return this.locked;
- }
-
- @Override
- public void removePolicyController(String name) {
- PolicyController.factory.destroy(name);
- }
-
- @Override
- public void removePolicyController(PolicyController controller) {
- PolicyController.factory.destroy(controller);
- }
-
- @JsonIgnore
- @Override
- public List<PolicyController> getPolicyControllers() {
- return PolicyController.factory.inventory();
- }
-
- @JsonProperty("controllers")
- @Override
- public List<String> getPolicyControllerIds() {
- List<String> controllerNames = new ArrayList<String>();
- for (PolicyController controller: PolicyController.factory.inventory()) {
- controllerNames.add(controller.getName());
- }
- return controllerNames;
- }
-
- @Override
- @JsonIgnore
- public Properties getProperties() {
- return this.properties;
- }
-
-
- @SuppressWarnings("unchecked")
- @Override
- public List<TopicSource> getSources() {
- return (List<TopicSource>) this.sources;
- }
-
- @SuppressWarnings("unchecked")
- @Override
- public List<TopicSink> getSinks() {
- return (List<TopicSink>) this.sinks;
- }
-
- @Override
- public List<HttpServletServer> getHttpServers() {
- return this.httpServers;
- }
-
- @Override
- public List<String> getFeatures() {
- List<String> features = new ArrayList<String>();
- for (PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
- features.add(feature.getName());
- }
- return features;
- }
-
- @JsonIgnore
- @Override
- public List<PolicyEngineFeatureAPI> getFeatureProviders() {
- return PolicyEngineFeatureAPI.providers.getList();
- }
-
- @Override
- public PolicyEngineFeatureAPI getFeatureProvider(String featureName) {
- if (featureName == null || featureName.isEmpty())
- throw new IllegalArgumentException("A feature name must be provided");
-
- for (PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
- if (feature.getName().equals(featureName))
- return feature;
- }
-
- throw new IllegalArgumentException("Invalid Feature Name: " + featureName);
- }
-
- @Override
- public void onTopicEvent(CommInfrastructure commType, String topic, String event) {
- /* configuration request */
- try {
- PdpdConfiguration configuration = this.decoder.fromJson(event, PdpdConfiguration.class);
- this.configure(configuration);
- } catch (Exception e) {
- logger.error("{}: configuration-error due to {} because of {}",
- this, event, e.getMessage(), e);
- }
- }
-
- @Override
- public boolean deliver(String topic, Object event)
- throws IllegalArgumentException, IllegalStateException {
-
- /*
- * Note this entry point is usually from the DRL
- */
-
- if (topic == null || topic.isEmpty())
- throw new IllegalArgumentException("Invalid Topic");
-
- if (event == null)
- throw new IllegalArgumentException("Invalid Event");
-
- if (!this.isAlive())
- throw new IllegalStateException("Policy Engine is stopped");
-
- if (this.isLocked())
- throw new IllegalStateException("Policy Engine is locked");
-
- List<? extends TopicSink> sinks =
- TopicEndpoint.manager.getTopicSinks(topic);
- if (sinks == null || sinks.isEmpty() || sinks.size() > 1)
- throw new IllegalStateException
- ("Cannot ensure correct delivery on topic " + topic + ": " + sinks);
-
- return this.deliver(sinks.get(0).getTopicCommInfrastructure(),
- topic, event);
- }
-
- @Override
- public boolean deliver(String busType, String topic, Object event)
- throws IllegalArgumentException, IllegalStateException,
- UnsupportedOperationException {
-
- /*
- * Note this entry point is usually from the DRL (one of the reasons
- * busType is String.
- */
-
- if (busType == null || busType.isEmpty())
- throw new IllegalArgumentException
- ("Invalid Communication Infrastructure");
-
- if (topic == null || topic.isEmpty())
- throw new IllegalArgumentException("Invalid Topic");
-
- if (event == null)
- throw new IllegalArgumentException("Invalid Event");
-
- boolean valid = false;
- for (Topic.CommInfrastructure comm: Topic.CommInfrastructure.values()) {
- if (comm.name().equals(busType)) {
- valid = true;
- }
- }
-
- if (!valid)
- throw new IllegalArgumentException
- ("Invalid Communication Infrastructure: " + busType);
-
-
- if (!this.isAlive())
- throw new IllegalStateException("Policy Engine is stopped");
-
- if (this.isLocked())
- throw new IllegalStateException("Policy Engine is locked");
-
-
- return this.deliver(Topic.CommInfrastructure.valueOf(busType),
- topic, event);
- }
-
- @Override
- public boolean deliver(Topic.CommInfrastructure busType,
- String topic, Object event)
- throws IllegalArgumentException, IllegalStateException,
- UnsupportedOperationException {
-
- if (topic == null || topic.isEmpty())
- throw new IllegalArgumentException("Invalid Topic");
-
- if (event == null)
- throw new IllegalArgumentException("Invalid Event");
-
- if (!this.isAlive())
- throw new IllegalStateException("Policy Engine is stopped");
-
- if (this.isLocked())
- throw new IllegalStateException("Policy Engine is locked");
-
- /* Try to send through the controller, this is the
- * preferred way, since it may want to apply additional
- * processing
- */
- try {
- DroolsController droolsController =
- EventProtocolCoder.manager.getDroolsController(topic, event);
- PolicyController controller = PolicyController.factory.get(droolsController);
- if (controller != null)
- return controller.deliver(busType, topic, event);
- } catch (Exception e) {
- logger.warn("{}: cannot find policy-controller to deliver {} over {}:{} because of {}",
- this, event, busType, topic, e.getMessage(), e);
-
- /* continue (try without routing through the controller) */
- }
-
- /*
- * cannot route through the controller, send directly through
- * the topic sink
- */
- try {
- String json = EventProtocolCoder.manager.encode(topic, event);
- return this.deliver(busType, topic, json);
-
- } catch (Exception e) {
- logger.warn("{}: cannot deliver {} over {}:{} because of {}",
- this, event, busType, topic, e.getMessage(), e);
- throw e;
- }
- }
-
- @Override
- public boolean deliver(Topic.CommInfrastructure busType,
- String topic, String event)
- throws IllegalArgumentException, IllegalStateException,
- UnsupportedOperationException {
-
- if (topic == null || topic.isEmpty())
- throw new IllegalArgumentException("Invalid Topic");
-
- if (event == null || event.isEmpty())
- throw new IllegalArgumentException("Invalid Event");
-
- if (!this.isAlive())
- throw new IllegalStateException("Policy Engine is stopped");
-
- if (this.isLocked())
- throw new IllegalStateException("Policy Engine is locked");
-
- try {
- TopicSink sink =
- TopicEndpoint.manager.getTopicSink
- (busType, topic);
-
- if (sink == null)
- throw new IllegalStateException("Inconsistent State: " + this);
-
- return sink.send(event);
-
- } catch (Exception e) {
- logger.warn("{}: cannot deliver {} over {}:{} because of {}",
- this, event, busType, topic, e.getMessage(), e);
- throw e;
- }
- }
-
- @Override
- public synchronized void activate() {
-
- /* policy-engine dispatch pre activate hook */
- for (PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
- try {
- if (feature.beforeActivate(this))
- return;
- } catch (Exception e) {
- logger.error("{}: feature {} before-activate failure because of {}",
- this, feature.getClass().getName(), e.getMessage(), e);
- }
- }
-
- // activate 'policy-management'
- for (PolicyController policyController : getPolicyControllers()) {
- try {
- policyController.unlock();
- policyController.start();
- } catch (Exception e) {
- logger.error("{}: cannot activate of policy-controller {} because of {}",
- this, policyController,e.getMessage(), e);
- } catch (LinkageError e) {
- logger.error("{}: cannot activate (rules compilation) of policy-controller {} because of {}",
- this, policyController,e.getMessage(), e);
- }
- }
-
- this.unlock();
-
- /* policy-engine dispatch post activate hook */
- for (PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
- try {
- if (feature.afterActivate(this))
- return;
- } catch (Exception e) {
- logger.error("{}: feature {} after-activate failure because of {}",
- this, feature.getClass().getName(), e.getMessage(), e);
- }
- }
- }
-
- @Override
- public synchronized void deactivate() {
-
- /* policy-engine dispatch pre deactivate hook */
- for (PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
- try {
- if (feature.beforeDeactivate(this))
- return;
- } catch (Exception e) {
- logger.error("{}: feature {} before-deactivate failure because of {}",
- this, feature.getClass().getName(), e.getMessage(), e);
- }
- }
-
- this.lock();
-
- for (PolicyController policyController : getPolicyControllers()) {
- try {
- policyController.stop();
- } catch (Exception e) {
- logger.error("{}: cannot deactivate (stop) policy-controller {} because of {}",
- this, policyController, e.getMessage(), e);
- } catch (LinkageError e) {
- logger.error("{}: cannot deactivate (stop) policy-controller {} because of {}",
- this, policyController, e.getMessage(), e);
- }
- }
-
- /* policy-engine dispatch post deactivate hook */
- for (PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
- try {
- if (feature.afterDeactivate(this))
- return;
- } catch (Exception e) {
- logger.error("{}: feature {} after-deactivate failure because of {}",
- this, feature.getClass().getName(), e.getMessage(), e);
- }
- }
- }
-
- @Override
- public String toString() {
- StringBuilder builder = new StringBuilder();
- builder.append("PolicyEngineManager [alive=").append(alive).append(", locked=").append(locked).append("]");
- return builder.toString();
- }
-
+ /**
+ * logger
+ */
+ private static final Logger logger = LoggerFactory.getLogger(PolicyEngineManager.class);
+
+ /**
+ * Is the Policy Engine running?
+ */
+ protected boolean alive = false;
+
+ /**
+ * Is the engine locked?
+ */
+ protected boolean locked = false;
+
+ /**
+ * Properties used to initialize the engine
+ */
+ protected Properties properties;
+
+ /**
+ * Environment Properties
+ */
+ protected final Properties environment = new Properties();
+
+ /**
+ * Policy Engine Sources
+ */
+ protected List<? extends TopicSource> sources = new ArrayList<>();
+
+ /**
+ * Policy Engine Sinks
+ */
+ protected List<? extends TopicSink> sinks = new ArrayList<>();
+
+ /**
+ * Policy Engine HTTP Servers
+ */
+ protected List<HttpServletServer> httpServers = new ArrayList<HttpServletServer>();
+
+ /**
+ * gson parser to decode configuration requests
+ */
+ protected final Gson decoder = new GsonBuilder().disableHtmlEscaping().create();
+
+
+ @Override
+ public synchronized void boot(String cliArgs[]) {
+
+ for (final PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
+ try {
+ if (feature.beforeBoot(this, cliArgs))
+ return;
+ } catch (final Exception e) {
+ logger.error("{}: feature {} before-boot failure because of {}", this,
+ feature.getClass().getName(), e.getMessage(), e);
+ }
+ }
+
+ try {
+ PolicyContainer.globalInit(cliArgs);
+ } catch (final Exception e) {
+ logger.error("{}: cannot init policy-container because of {}", this, e.getMessage(), e);
+ }
+
+ for (final PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
+ try {
+ if (feature.afterBoot(this))
+ return;
+ } catch (final Exception e) {
+ logger.error("{}: feature {} after-boot failure because of {}", this,
+ feature.getClass().getName(), e.getMessage(), e);
+ }
+ }
+ }
+
+ @Override
+ public synchronized void setEnvironment(Properties properties) {
+ this.environment.putAll(properties);
+ }
+
+ @JsonIgnore
+ @Override
+ public synchronized Properties getEnvironment() {
+ return this.environment;
+ }
+
+ @Override
+ public synchronized String getEnvironmentProperty(String envKey) {
+ String value = this.environment.getProperty(envKey);
+ if (value == null)
+ value = System.getenv(envKey);
+ return value;
+ }
+
+ @Override
+ public synchronized String setEnvironmentProperty(String envKey, String envValue) {
+ return (String) this.environment.setProperty(envKey, envValue);
+ }
+
+ @Override
+ public final Properties defaultTelemetryConfig() {
+ final Properties defaultConfig = new Properties();
+
+ defaultConfig.put(PolicyProperties.PROPERTY_HTTP_SERVER_SERVICES, "TELEMETRY");
+ defaultConfig.put(PolicyProperties.PROPERTY_HTTP_SERVER_SERVICES + "."
+ + TELEMETRY_SERVER_DEFAULT_NAME + PolicyProperties.PROPERTY_HTTP_HOST_SUFFIX,
+ TELEMETRY_SERVER_DEFAULT_HOST);
+ defaultConfig.put(PolicyProperties.PROPERTY_HTTP_SERVER_SERVICES + "."
+ + TELEMETRY_SERVER_DEFAULT_NAME + PolicyProperties.PROPERTY_HTTP_PORT_SUFFIX,
+ "" + TELEMETRY_SERVER_DEFAULT_PORT);
+ defaultConfig.put(
+ PolicyProperties.PROPERTY_HTTP_SERVER_SERVICES + "." + TELEMETRY_SERVER_DEFAULT_NAME
+ + PolicyProperties.PROPERTY_HTTP_REST_PACKAGES_SUFFIX,
+ RestManager.class.getPackage().getName());
+ defaultConfig.put(PolicyProperties.PROPERTY_HTTP_SERVER_SERVICES + "."
+ + TELEMETRY_SERVER_DEFAULT_NAME + PolicyProperties.PROPERTY_HTTP_SWAGGER_SUFFIX,
+ "" + Boolean.TRUE);
+ defaultConfig.put(PolicyProperties.PROPERTY_HTTP_SERVER_SERVICES + "."
+ + TELEMETRY_SERVER_DEFAULT_NAME + PolicyProperties.PROPERTY_MANAGED_SUFFIX,
+ "" + Boolean.FALSE);
+
+ return defaultConfig;
+ }
+
+ @Override
+ public synchronized void configure(Properties properties) {
+
+ if (properties == null) {
+ logger.warn("No properties provided");
+ throw new IllegalArgumentException("No properties provided");
+ }
+
+ /* policy-engine dispatch pre configure hook */
+ for (final PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
+ try {
+ if (feature.beforeConfigure(this, properties))
+ return;
+ } catch (final Exception e) {
+ logger.error("{}: feature {} before-configure failure because of {}", this,
+ feature.getClass().getName(), e.getMessage(), e);
+ }
+ }
+
+ this.properties = properties;
+
+ try {
+ this.sources = TopicEndpoint.manager.addTopicSources(properties);
+ for (final TopicSource source : this.sources) {
+ source.register(this);
+ }
+ } catch (final Exception e) {
+ logger.error("{}: add-sources failed", this, e);
+ }
+
+ try {
+ this.sinks = TopicEndpoint.manager.addTopicSinks(properties);
+ } catch (final IllegalArgumentException e) {
+ logger.error("{}: add-sinks failed", this, e);
+ }
+
+ try {
+ this.httpServers = HttpServletServer.factory.build(properties);
+ } catch (final IllegalArgumentException e) {
+ logger.error("{}: add-http-servers failed", this, e);
+ }
+
+ /* policy-engine dispatch post configure hook */
+ for (final PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
+ try {
+ if (feature.afterConfigure(this))
+ return;
+ } catch (final Exception e) {
+ logger.error("{}: feature {} after-configure failure because of {}", this,
+ feature.getClass().getName(), e.getMessage(), e);
+ }
+ }
+
+ return;
+ }
+
+ @Override
+ public synchronized PolicyController createPolicyController(String name, Properties properties)
+ throws IllegalArgumentException, IllegalStateException {
+
+ // check if a PROPERTY_CONTROLLER_NAME property is present
+ // if so, override the given name
+
+ final String propertyControllerName =
+ properties.getProperty(PolicyProperties.PROPERTY_CONTROLLER_NAME);
+ if (propertyControllerName != null && !propertyControllerName.isEmpty()) {
+ if (!propertyControllerName.equals(name)) {
+ throw new IllegalStateException("Proposed name (" + name + ") and properties name ("
+ + propertyControllerName + ") don't match");
+ }
+ name = propertyControllerName;
+ }
+
+ PolicyController controller;
+ for (final PolicyControllerFeatureAPI controllerFeature : PolicyControllerFeatureAPI.providers
+ .getList()) {
+ try {
+ controller = controllerFeature.beforeCreate(name, properties);
+ if (controller != null)
+ return controller;
+ } catch (final Exception e) {
+ logger.error("{}: feature {} before-controller-create failure because of {}", this,
+ controllerFeature.getClass().getName(), e.getMessage(), e);
+ }
+ }
+
+ controller = PolicyController.factory.build(name, properties);
+ if (this.isLocked())
+ controller.lock();
+
+ // feature hook
+ for (final PolicyControllerFeatureAPI controllerFeature : PolicyControllerFeatureAPI.providers
+ .getList()) {
+ try {
+ if (controllerFeature.afterCreate(controller))
+ return controller;
+ } catch (final Exception e) {
+ logger.error("{}: feature {} after-controller-create failure because of {}", this,
+ controllerFeature.getClass().getName(), e.getMessage(), e);
+ }
+ }
+
+ return controller;
+ }
+
+
+ @Override
+ public boolean configure(PdpdConfiguration config) {
+
+ if (config == null)
+ throw new IllegalArgumentException("No configuration provided");
+
+ final String entity = config.getEntity();
+
+ switch (entity) {
+ case PdpdConfiguration.CONFIG_ENTITY_CONTROLLER:
+ /* only this one supported for now */
+ final List<ControllerConfiguration> configControllers = config.getControllers();
+ if (configControllers == null || configControllers.isEmpty()) {
+ if (logger.isInfoEnabled())
+ logger.info("No controller configuration provided: " + config);
+ return false;
+ }
+ final List<PolicyController> policyControllers =
+ this.updatePolicyControllers(config.getControllers());
+ if (policyControllers == null || policyControllers.isEmpty())
+ return false;
+ else if (policyControllers.size() == configControllers.size())
+ return true;
+
+ return false;
+ default:
+ final String msg = "Configuration Entity is not supported: " + entity;
+ logger.warn(msg);
+ throw new IllegalArgumentException(msg);
+ }
+ }
+
+ @Override
+ public List<PolicyController> updatePolicyControllers(
+ List<ControllerConfiguration> configControllers)
+ throws IllegalArgumentException, IllegalStateException {
+
+ final List<PolicyController> policyControllers = new ArrayList<PolicyController>();
+ if (configControllers == null || configControllers.isEmpty()) {
+ if (logger.isInfoEnabled())
+ logger.info("No controller configuration provided: " + configControllers);
+ return policyControllers;
+ }
+
+ for (final ControllerConfiguration configController : configControllers) {
+ try {
+ final PolicyController policyController = this.updatePolicyController(configController);
+ policyControllers.add(policyController);
+ } catch (final Exception e) {
+ logger.error("{}: cannot update-policy-controllers because of {}", this, e.getMessage(), e);
+ }
+ }
+
+ return policyControllers;
+ }
+
+ @Override
+ public PolicyController updatePolicyController(ControllerConfiguration configController) {
+
+ if (configController == null)
+ throw new IllegalArgumentException("No controller configuration has been provided");
+
+ final String controllerName = configController.getName();
+ if (controllerName == null || controllerName.isEmpty()) {
+ logger.warn("controller-name must be provided");
+ throw new IllegalArgumentException("No controller configuration has been provided");
+ }
+
+ PolicyController policyController = null;
+ try {
+ final String operation = configController.getOperation();
+ if (operation == null || operation.isEmpty()) {
+ logger.warn("operation must be provided");
+ throw new IllegalArgumentException("operation must be provided");
+ }
+
+ try {
+ policyController = PolicyController.factory.get(controllerName);
+ } catch (final IllegalArgumentException e) {
+ // not found
+ logger.warn("Policy Controller " + controllerName + " not found", e);
+ }
+
+ if (policyController == null) {
+
+ if (operation.equalsIgnoreCase(ControllerConfiguration.CONFIG_CONTROLLER_OPERATION_LOCK)
+ || operation
+ .equalsIgnoreCase(ControllerConfiguration.CONFIG_CONTROLLER_OPERATION_UNLOCK)) {
+ throw new IllegalArgumentException(
+ controllerName + " is not available for operation " + operation);
+ }
+
+ /* Recovery case */
+
+ logger.warn("controller " + controllerName + " does not exist. "
+ + "Attempting recovery from disk");
+
+ final Properties properties =
+ SystemPersistence.manager.getControllerProperties(controllerName);
+
+ /*
+ * returned properties cannot be null (per implementation) assert (properties != null)
+ */
+
+ if (properties == null) {
+ throw new IllegalArgumentException(controllerName + " is invalid");
+ }
+
+ logger.warn("controller " + controllerName + " being recovered. "
+ + "Reset controller's bad maven coordinates to brainless");
+
+ /*
+ * try to bring up bad controller in brainless mode, after having it working, apply the new
+ * create/update operation.
+ */
+ properties.setProperty(PolicyProperties.RULES_GROUPID, DroolsController.NO_GROUP_ID);
+ properties.setProperty(PolicyProperties.RULES_ARTIFACTID, DroolsController.NO_ARTIFACT_ID);
+ properties.setProperty(PolicyProperties.RULES_VERSION, DroolsController.NO_VERSION);
+
+ policyController = PolicyEngine.manager.createPolicyController(controllerName, properties);
+
+ /* fall through to do brain update operation */
+ }
+
+ switch (operation) {
+ case ControllerConfiguration.CONFIG_CONTROLLER_OPERATION_CREATE:
+ PolicyController.factory.patch(policyController, configController.getDrools());
+ break;
+ case ControllerConfiguration.CONFIG_CONTROLLER_OPERATION_UPDATE:
+ policyController.unlock();
+ PolicyController.factory.patch(policyController, configController.getDrools());
+ break;
+ case ControllerConfiguration.CONFIG_CONTROLLER_OPERATION_LOCK:
+ policyController.lock();
+ break;
+ case ControllerConfiguration.CONFIG_CONTROLLER_OPERATION_UNLOCK:
+ policyController.unlock();
+ break;
+ default:
+ final String msg = "Controller Operation Configuration is not supported: " + operation
+ + " for " + controllerName;
+ logger.warn(msg);
+ throw new IllegalArgumentException(msg);
+ }
+
+ return policyController;
+ } catch (final Exception e) {
+ logger.error("{}: cannot update-policy-controller because of {}", this, e.getMessage(), e);
+ throw e;
+ } catch (final LinkageError e) {
+ logger.error("{}: cannot update-policy-controllers (rules) because of {}", this,
+ e.getMessage(), e);
+ throw new IllegalStateException(e);
+ }
+ }
+
+ @Override
+ public synchronized boolean start() {
+
+ /* policy-engine dispatch pre start hook */
+ for (final PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
+ try {
+ if (feature.beforeStart(this))
+ return true;
+ } catch (final Exception e) {
+ logger.error("{}: feature {} before-start failure because of {}", this,
+ feature.getClass().getName(), e.getMessage(), e);
+ }
+ }
+
+ boolean success = true;
+ if (this.locked)
+ throw new IllegalStateException("Engine is locked");
+
+ this.alive = true;
+
+ /* Start Policy Engine exclusively-owned (unmanaged) http servers */
+
+ for (final HttpServletServer httpServer : this.httpServers) {
+ try {
+ if (!httpServer.waitedStart(5 * 1000L))
+ success = false;
+ } catch (final Exception e) {
+ logger.error("{}: cannot start http-server {} because of {}", this, httpServer,
+ e.getMessage(), e);
+ }
+ }
+
+ /* Start Policy Engine exclusively-owned (unmanaged) sources */
+
+ for (final TopicSource source : this.sources) {
+ try {
+ if (!source.start())
+ success = false;
+ } catch (final Exception e) {
+ logger.error("{}: cannot start topic-source {} because of {}", this, source, e.getMessage(),
+ e);
+ }
+ }
+
+ /* Start Policy Engine owned (unmanaged) sinks */
+
+ for (final TopicSink sink : this.sinks) {
+ try {
+ if (!sink.start())
+ success = false;
+ } catch (final Exception e) {
+ logger.error("{}: cannot start topic-sink {} because of {}", this, sink, e.getMessage(), e);
+ }
+ }
+
+ /* Start Policy Controllers */
+
+ final List<PolicyController> controllers = PolicyController.factory.inventory();
+ for (final PolicyController controller : controllers) {
+ try {
+ if (!controller.start())
+ success = false;
+ } catch (final Exception e) {
+ logger.error("{}: cannot start policy-controller {} because of {}", this, controller,
+ e.getMessage(), e);
+ success = false;
+ }
+ }
+
+ /* Start managed Topic Endpoints */
+
+ try {
+ if (!TopicEndpoint.manager.start())
+ success = false;
+ } catch (final IllegalStateException e) {
+ logger.warn("{}: Topic Endpoint Manager is in an invalid state because of {}", this,
+ e.getMessage(), e);
+ }
+
+
+ // Start the JMX listener
+
+ PdpJmxListener.start();
+
+ /* policy-engine dispatch after start hook */
+ for (final PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
+ try {
+ if (feature.afterStart(this))
+ return success;
+ } catch (final Exception e) {
+ logger.error("{}: feature {} after-start failure because of {}", this,
+ feature.getClass().getName(), e.getMessage(), e);
+ }
+ }
+
+ return success;
+ }
+
+ @Override
+ public synchronized boolean stop() {
+
+ /* policy-engine dispatch pre stop hook */
+ for (final PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
+ try {
+ if (feature.beforeStop(this))
+ return true;
+ } catch (final Exception e) {
+ logger.error("{}: feature {} before-stop failure because of {}", this,
+ feature.getClass().getName(), e.getMessage(), e);
+ }
+ }
+
+ /* stop regardless of the lock state */
+
+ boolean success = true;
+ if (!this.alive)
+ return true;
+
+ this.alive = false;
+
+ final List<PolicyController> controllers = PolicyController.factory.inventory();
+ for (final PolicyController controller : controllers) {
+ try {
+ if (!controller.stop())
+ success = false;
+ } catch (final Exception e) {
+ logger.error("{}: cannot stop policy-controller {} because of {}", this, controller,
+ e.getMessage(), e);
+ success = false;
+ }
+ }
+
+ /* Stop Policy Engine owned (unmanaged) sources */
+ for (final TopicSource source : this.sources) {
+ try {
+ if (!source.stop())
+ success = false;
+ } catch (final Exception e) {
+ logger.error("{}: cannot start topic-source {} because of {}", this, source, e.getMessage(),
+ e);
+ }
+ }
+
+ /* Stop Policy Engine owned (unmanaged) sinks */
+ for (final TopicSink sink : this.sinks) {
+ try {
+ if (!sink.stop())
+ success = false;
+ } catch (final Exception e) {
+ logger.error("{}: cannot start topic-sink {} because of {}", this, sink, e.getMessage(), e);
+ }
+ }
+
+ /* stop all managed topics sources and sinks */
+ if (!TopicEndpoint.manager.stop())
+ success = false;
+
+ /* stop all unmanaged http servers */
+ for (final HttpServletServer httpServer : this.httpServers) {
+ try {
+ if (!httpServer.stop())
+ success = false;
+ } catch (final Exception e) {
+ logger.error("{}: cannot start http-server {} because of {}", this, httpServer,
+ e.getMessage(), e);
+ }
+ }
+
+ /* policy-engine dispatch pre stop hook */
+ for (final PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
+ try {
+ if (feature.afterStop(this))
+ return success;
+ } catch (final Exception e) {
+ logger.error("{}: feature {} after-stop failure because of {}", this,
+ feature.getClass().getName(), e.getMessage(), e);
+ }
+ }
+
+ return success;
+ }
+
+ @Override
+ public synchronized void shutdown() {
+
+ /* policy-engine dispatch pre shutdown hook */
+ for (final PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
+ try {
+ if (feature.beforeShutdown(this))
+ return;
+ } catch (final Exception e) {
+ logger.error("{}: feature {} before-shutdown failure because of {}", this,
+ feature.getClass().getName(), e.getMessage(), e);
+ }
+ }
+
+ this.alive = false;
+
+ /* Shutdown Policy Engine owned (unmanaged) sources */
+ for (final TopicSource source : this.sources) {
+ try {
+ source.shutdown();
+ } catch (final Exception e) {
+ logger.error("{}: cannot shutdown topic-source {} because of {}", this, source,
+ e.getMessage(), e);
+ }
+ }
+
+ /* Shutdown Policy Engine owned (unmanaged) sinks */
+ for (final TopicSink sink : this.sinks) {
+ try {
+ sink.shutdown();
+ } catch (final Exception e) {
+ logger.error("{}: cannot shutdown topic-sink {} because of {}", this, sink, e.getMessage(),
+ e);
+ }
+ }
+
+ /* Shutdown managed resources */
+ PolicyController.factory.shutdown();
+ TopicEndpoint.manager.shutdown();
+ HttpServletServer.factory.destroy();
+
+ // Stop the JMX listener
+
+ PdpJmxListener.stop();
+
+ /* policy-engine dispatch post shutdown hook */
+ for (final PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
+ try {
+ if (feature.afterShutdown(this))
+ return;
+ } catch (final Exception e) {
+ logger.error("{}: feature {} after-shutdown failure because of {}", this,
+ feature.getClass().getName(), e.getMessage(), e);
+ }
+ }
+
+
+ new Thread(new Runnable() {
+ @Override
+ public void run() {
+ try {
+ Thread.sleep(5000L);
+ } catch (final InterruptedException e) {
+ logger.warn("{}: interrupted-exception while shutting down management server: ", this);
+ }
+
+ /* shutdown all unmanaged http servers */
+ for (final HttpServletServer httpServer : PolicyEngineManager.this.getHttpServers()) {
+ try {
+ httpServer.shutdown();
+ } catch (final Exception e) {
+ logger.error("{}: cannot shutdown http-server {} because of {}", this, httpServer,
+ e.getMessage(), e);
+ }
+ }
+
+ try {
+ Thread.sleep(5000L);
+ } catch (final InterruptedException e) {
+ logger.warn("{}: interrupted-exception while shutting down management server: ", this);
+ }
+
+ System.exit(0);
+ }
+ }).start();
+ }
+
+ @Override
+ public synchronized boolean isAlive() {
+ return this.alive;
+ }
+
+ @Override
+ public synchronized boolean lock() {
+
+ /* policy-engine dispatch pre lock hook */
+ for (final PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
+ try {
+ if (feature.beforeLock(this))
+ return true;
+ } catch (final Exception e) {
+ logger.error("{}: feature {} before-lock failure because of {}", this,
+ feature.getClass().getName(), e.getMessage(), e);
+ }
+ }
+
+ if (this.locked)
+ return true;
+
+ this.locked = true;
+
+ boolean success = true;
+ final List<PolicyController> controllers = PolicyController.factory.inventory();
+ for (final PolicyController controller : controllers) {
+ try {
+ success = controller.lock() && success;
+ } catch (final Exception e) {
+ logger.error("{}: cannot lock policy-controller {} because of {}", this, controller,
+ e.getMessage(), e);
+ success = false;
+ }
+ }
+
+ success = TopicEndpoint.manager.lock() && success;
+
+ /* policy-engine dispatch post lock hook */
+ for (final PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
+ try {
+ if (feature.afterLock(this))
+ return success;
+ } catch (final Exception e) {
+ logger.error("{}: feature {} after-lock failure because of {}", this,
+ feature.getClass().getName(), e.getMessage(), e);
+ }
+ }
+
+ return success;
+ }
+
+ @Override
+ public synchronized boolean unlock() {
+
+ /* policy-engine dispatch pre unlock hook */
+ for (final PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
+ try {
+ if (feature.beforeUnlock(this))
+ return true;
+ } catch (final Exception e) {
+ logger.error("{}: feature {} before-unlock failure because of {}", this,
+ feature.getClass().getName(), e.getMessage(), e);
+ }
+ }
+
+ if (!this.locked)
+ return true;
+
+ this.locked = false;
+
+ boolean success = true;
+ final List<PolicyController> controllers = PolicyController.factory.inventory();
+ for (final PolicyController controller : controllers) {
+ try {
+ success = controller.unlock() && success;
+ } catch (final Exception e) {
+ logger.error("{}: cannot unlock policy-controller {} because of {}", this, controller,
+ e.getMessage(), e);
+ success = false;
+ }
+ }
+
+ success = TopicEndpoint.manager.unlock() && success;
+
+ /* policy-engine dispatch after unlock hook */
+ for (final PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
+ try {
+ if (feature.afterUnlock(this))
+ return success;
+ } catch (final Exception e) {
+ logger.error("{}: feature {} after-unlock failure because of {}", this,
+ feature.getClass().getName(), e.getMessage(), e);
+ }
+ }
+
+ return success;
+ }
+
+ @Override
+ public synchronized boolean isLocked() {
+ return this.locked;
+ }
+
+ @Override
+ public void removePolicyController(String name) {
+ PolicyController.factory.destroy(name);
+ }
+
+ @Override
+ public void removePolicyController(PolicyController controller) {
+ PolicyController.factory.destroy(controller);
+ }
+
+ @JsonIgnore
+ @Override
+ public List<PolicyController> getPolicyControllers() {
+ return PolicyController.factory.inventory();
+ }
+
+ @JsonProperty("controllers")
+ @Override
+ public List<String> getPolicyControllerIds() {
+ final List<String> controllerNames = new ArrayList<String>();
+ for (final PolicyController controller : PolicyController.factory.inventory()) {
+ controllerNames.add(controller.getName());
+ }
+ return controllerNames;
+ }
+
+ @Override
+ @JsonIgnore
+ public Properties getProperties() {
+ return this.properties;
+ }
+
+
+ @SuppressWarnings("unchecked")
+ @Override
+ public List<TopicSource> getSources() {
+ return (List<TopicSource>) this.sources;
+ }
+
+ @SuppressWarnings("unchecked")
+ @Override
+ public List<TopicSink> getSinks() {
+ return (List<TopicSink>) this.sinks;
+ }
+
+ @Override
+ public List<HttpServletServer> getHttpServers() {
+ return this.httpServers;
+ }
+
+ @Override
+ public List<String> getFeatures() {
+ final List<String> features = new ArrayList<String>();
+ for (final PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
+ features.add(feature.getName());
+ }
+ return features;
+ }
+
+ @JsonIgnore
+ @Override
+ public List<PolicyEngineFeatureAPI> getFeatureProviders() {
+ return PolicyEngineFeatureAPI.providers.getList();
+ }
+
+ @Override
+ public PolicyEngineFeatureAPI getFeatureProvider(String featureName) {
+ if (featureName == null || featureName.isEmpty())
+ throw new IllegalArgumentException("A feature name must be provided");
+
+ for (final PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
+ if (feature.getName().equals(featureName))
+ return feature;
+ }
+
+ throw new IllegalArgumentException("Invalid Feature Name: " + featureName);
+ }
+
+ @Override
+ public void onTopicEvent(CommInfrastructure commType, String topic, String event) {
+ /* configuration request */
+ try {
+ final PdpdConfiguration configuration = this.decoder.fromJson(event, PdpdConfiguration.class);
+ this.configure(configuration);
+ } catch (final Exception e) {
+ logger.error("{}: configuration-error due to {} because of {}", this, event, e.getMessage(),
+ e);
+ }
+ }
+
+ @Override
+ public boolean deliver(String topic, Object event)
+ throws IllegalArgumentException, IllegalStateException {
+
+ /*
+ * Note this entry point is usually from the DRL
+ */
+
+ if (topic == null || topic.isEmpty())
+ throw new IllegalArgumentException("Invalid Topic");
+
+ if (event == null)
+ throw new IllegalArgumentException("Invalid Event");
+
+ if (!this.isAlive())
+ throw new IllegalStateException("Policy Engine is stopped");
+
+ if (this.isLocked())
+ throw new IllegalStateException("Policy Engine is locked");
+
+ final List<? extends TopicSink> sinks = TopicEndpoint.manager.getTopicSinks(topic);
+ if (sinks == null || sinks.isEmpty() || sinks.size() > 1)
+ throw new IllegalStateException(
+ "Cannot ensure correct delivery on topic " + topic + ": " + sinks);
+
+ return this.deliver(sinks.get(0).getTopicCommInfrastructure(), topic, event);
+ }
+
+ @Override
+ public boolean deliver(String busType, String topic, Object event)
+ throws IllegalArgumentException, IllegalStateException, UnsupportedOperationException {
+
+ /*
+ * Note this entry point is usually from the DRL (one of the reasons busType is String.
+ */
+
+ if (busType == null || busType.isEmpty())
+ throw new IllegalArgumentException("Invalid Communication Infrastructure");
+
+ if (topic == null || topic.isEmpty())
+ throw new IllegalArgumentException("Invalid Topic");
+
+ if (event == null)
+ throw new IllegalArgumentException("Invalid Event");
+
+ boolean valid = false;
+ for (final Topic.CommInfrastructure comm : Topic.CommInfrastructure.values()) {
+ if (comm.name().equals(busType)) {
+ valid = true;
+ }
+ }
+
+ if (!valid)
+ throw new IllegalArgumentException("Invalid Communication Infrastructure: " + busType);
+
+
+ if (!this.isAlive())
+ throw new IllegalStateException("Policy Engine is stopped");
+
+ if (this.isLocked())
+ throw new IllegalStateException("Policy Engine is locked");
+
+
+ return this.deliver(Topic.CommInfrastructure.valueOf(busType), topic, event);
+ }
+
+ @Override
+ public boolean deliver(Topic.CommInfrastructure busType, String topic, Object event)
+ throws IllegalArgumentException, IllegalStateException, UnsupportedOperationException {
+
+ if (topic == null || topic.isEmpty())
+ throw new IllegalArgumentException("Invalid Topic");
+
+ if (event == null)
+ throw new IllegalArgumentException("Invalid Event");
+
+ if (!this.isAlive())
+ throw new IllegalStateException("Policy Engine is stopped");
+
+ if (this.isLocked())
+ throw new IllegalStateException("Policy Engine is locked");
+
+ /*
+ * Try to send through the controller, this is the preferred way, since it may want to apply
+ * additional processing
+ */
+ try {
+ final DroolsController droolsController =
+ EventProtocolCoder.manager.getDroolsController(topic, event);
+ final PolicyController controller = PolicyController.factory.get(droolsController);
+ if (controller != null)
+ return controller.deliver(busType, topic, event);
+ } catch (final Exception e) {
+ logger.warn("{}: cannot find policy-controller to deliver {} over {}:{} because of {}", this,
+ event, busType, topic, e.getMessage(), e);
+
+ /* continue (try without routing through the controller) */
+ }
+
+ /*
+ * cannot route through the controller, send directly through the topic sink
+ */
+ try {
+ final String json = EventProtocolCoder.manager.encode(topic, event);
+ return this.deliver(busType, topic, json);
+
+ } catch (final Exception e) {
+ logger.warn("{}: cannot deliver {} over {}:{} because of {}", this, event, busType, topic,
+ e.getMessage(), e);
+ throw e;
+ }
+ }
+
+ @Override
+ public boolean deliver(Topic.CommInfrastructure busType, String topic, String event)
+ throws IllegalArgumentException, IllegalStateException, UnsupportedOperationException {
+
+ if (topic == null || topic.isEmpty())
+ throw new IllegalArgumentException("Invalid Topic");
+
+ if (event == null || event.isEmpty())
+ throw new IllegalArgumentException("Invalid Event");
+
+ if (!this.isAlive())
+ throw new IllegalStateException("Policy Engine is stopped");
+
+ if (this.isLocked())
+ throw new IllegalStateException("Policy Engine is locked");
+
+ try {
+ final TopicSink sink = TopicEndpoint.manager.getTopicSink(busType, topic);
+
+ if (sink == null)
+ throw new IllegalStateException("Inconsistent State: " + this);
+
+ return sink.send(event);
+
+ } catch (final Exception e) {
+ logger.warn("{}: cannot deliver {} over {}:{} because of {}", this, event, busType, topic,
+ e.getMessage(), e);
+ throw e;
+ }
+ }
+
+ @Override
+ public synchronized void activate() {
+
+ /* policy-engine dispatch pre activate hook */
+ for (final PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
+ try {
+ if (feature.beforeActivate(this))
+ return;
+ } catch (final Exception e) {
+ logger.error("{}: feature {} before-activate failure because of {}", this,
+ feature.getClass().getName(), e.getMessage(), e);
+ }
+ }
+
+ // activate 'policy-management'
+ for (final PolicyController policyController : this.getPolicyControllers()) {
+ try {
+ policyController.unlock();
+ policyController.start();
+ } catch (final Exception e) {
+ logger.error("{}: cannot activate of policy-controller {} because of {}", this,
+ policyController, e.getMessage(), e);
+ } catch (final LinkageError e) {
+ logger.error(
+ "{}: cannot activate (rules compilation) of policy-controller {} because of {}", this,
+ policyController, e.getMessage(), e);
+ }
+ }
+
+ this.unlock();
+
+ /* policy-engine dispatch post activate hook */
+ for (final PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
+ try {
+ if (feature.afterActivate(this))
+ return;
+ } catch (final Exception e) {
+ logger.error("{}: feature {} after-activate failure because of {}", this,
+ feature.getClass().getName(), e.getMessage(), e);
+ }
+ }
+ }
+
+ @Override
+ public synchronized void deactivate() {
+
+ /* policy-engine dispatch pre deactivate hook */
+ for (final PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
+ try {
+ if (feature.beforeDeactivate(this))
+ return;
+ } catch (final Exception e) {
+ logger.error("{}: feature {} before-deactivate failure because of {}", this,
+ feature.getClass().getName(), e.getMessage(), e);
+ }
+ }
+
+ this.lock();
+
+ for (final PolicyController policyController : this.getPolicyControllers()) {
+ try {
+ policyController.stop();
+ } catch (final Exception e) {
+ logger.error("{}: cannot deactivate (stop) policy-controller {} because of {}", this,
+ policyController, e.getMessage(), e);
+ } catch (final LinkageError e) {
+ logger.error("{}: cannot deactivate (stop) policy-controller {} because of {}", this,
+ policyController, e.getMessage(), e);
+ }
+ }
+
+ /* policy-engine dispatch post deactivate hook */
+ for (final PolicyEngineFeatureAPI feature : PolicyEngineFeatureAPI.providers.getList()) {
+ try {
+ if (feature.afterDeactivate(this))
+ return;
+ } catch (final Exception e) {
+ logger.error("{}: feature {} after-deactivate failure because of {}", this,
+ feature.getClass().getName(), e.getMessage(), e);
+ }
+ }
+ }
+
+ @Override
+ public String toString() {
+ final StringBuilder builder = new StringBuilder();
+ builder.append("PolicyEngineManager [alive=").append(this.alive).append(", locked=")
+ .append(this.locked).append("]");
+ return builder.toString();
+ }
+
}