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-rw-r--r--participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/handler/ControlLoopElementHandler.java159
-rw-r--r--participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/handler/PolicyHandler.java100
-rw-r--r--participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/handler/PolicyProvider.java57
-rw-r--r--participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/parameters/ParticipantPolicyParameterHandler.java79
-rw-r--r--participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/parameters/ParticipantPolicyParameters.java49
-rw-r--r--participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/startstop/Main.java141
-rw-r--r--participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/startstop/ParticipantPolicyActivator.java57
-rw-r--r--participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/startstop/ParticipantPolicyCommandLineArguments.java145
-rw-r--r--participant/participant-impl/participant-impl-policy/src/main/resources/META-INF/persistence.xml79
-rw-r--r--participant/participant-impl/participant-impl-policy/src/main/resources/config/PolicyParticipantConfig.json31
-rw-r--r--participant/participant-impl/participant-impl-policy/src/main/resources/version.txt4
11 files changed, 901 insertions, 0 deletions
diff --git a/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/handler/ControlLoopElementHandler.java b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/handler/ControlLoopElementHandler.java
new file mode 100644
index 000000000..932ebbece
--- /dev/null
+++ b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/handler/ControlLoopElementHandler.java
@@ -0,0 +1,159 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.clamp.controlloop.participant.policy.main.handler;
+
+import java.time.Instant;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.UUID;
+import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ClElementStatistics;
+import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopElement;
+import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopOrderedState;
+import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopState;
+import org.onap.policy.clamp.controlloop.participant.intermediary.api.ControlLoopElementListener;
+import org.onap.policy.models.base.PfModelException;
+import org.onap.policy.models.base.PfModelRuntimeException;
+import org.onap.policy.models.provider.PolicyModelsProvider;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyType;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * This class handles implementation of controlLoopElement updates.
+ */
+public class ControlLoopElementHandler implements ControlLoopElementListener {
+
+ private static final Logger LOGGER = LoggerFactory.getLogger(ControlLoopElementHandler.class);
+ private static final Map<String, String> policyTypeMap = new LinkedHashMap<>();
+ private static final Map<String, String> policyMap = new LinkedHashMap<>();
+
+ /**
+ * Callback method to handle a control loop element state change.
+ *
+ * @param controlLoopElementId the ID of the control loop element
+ * @param currentState the current state of the control loop element
+ * @param newState the state to which the control loop element is changing to
+ * @throws PfModelException in case of an exception
+ */
+ @Override
+ public void controlLoopElementStateChange(UUID controlLoopElementId,
+ ControlLoopState currentState,
+ ControlLoopOrderedState newState) throws PfModelException {
+ PolicyProvider policyProvider = PolicyHandler.getInstance().getPolicyProvider();
+ switch (newState) {
+ case UNINITIALISED:
+ try {
+ deletePolicyData(controlLoopElementId, newState);
+ } catch (PfModelRuntimeException e) {
+ LOGGER.debug("Delete policytpes failed", e);
+ }
+ break;
+ case PASSIVE:
+ policyProvider.getIntermediaryApi()
+ .updateControlLoopElementState(controlLoopElementId, newState,
+ ControlLoopState.PASSIVE);
+ break;
+ case RUNNING:
+ policyProvider.getIntermediaryApi()
+ .updateControlLoopElementState(controlLoopElementId, newState,
+ ControlLoopState.RUNNING);
+ break;
+ default:
+ LOGGER.debug("Unknown orderedstate {}", newState);
+ break;
+ }
+ }
+
+ private void deletePolicyData(UUID controlLoopElementId,
+ ControlLoopOrderedState newState) throws PfModelException {
+ PolicyModelsProvider dbProvider = PolicyHandler.getInstance().getDatabaseProvider();
+ PolicyProvider policyProvider = PolicyHandler.getInstance().getPolicyProvider();
+ if (policyMap != null) {
+ // Delete all policies of this controlLoop from policy framework
+ for (Entry<String, String> policy : policyMap.entrySet()) {
+ dbProvider.deletePolicy(policy.getKey(), policy.getValue());
+ }
+ }
+ if (policyTypeMap != null) {
+ // Delete all policy types of this control loop from policy framework
+ for (Entry<String, String> policy : policyTypeMap.entrySet()) {
+ dbProvider.deletePolicyType(policy.getKey(), policy.getValue());
+ }
+ }
+ policyProvider.getIntermediaryApi()
+ .updateControlLoopElementState(controlLoopElementId, newState,
+ ControlLoopState.UNINITIALISED);
+ }
+
+ /**
+ * Callback method to handle an update on a control loop element.
+ *
+ * @param element the information on the control loop element
+ * @param controlLoopDefinition toscaServiceTemplate
+ * @throws PfModelException in case of an exception
+ */
+ @Override
+ public void controlLoopElementUpdate(ControlLoopElement element,
+ ToscaServiceTemplate controlLoopDefinition) throws PfModelException {
+ PolicyModelsProvider dbProvider = PolicyHandler.getInstance().getDatabaseProvider();
+ PolicyProvider policyProvider = PolicyHandler.getInstance().getPolicyProvider();
+
+ policyProvider.getIntermediaryApi()
+ .updateControlLoopElementState(element.getId(), element.getOrderedState(), ControlLoopState.PASSIVE);
+ if (controlLoopDefinition.getPolicyTypes() != null) {
+ for (ToscaPolicyType policyType : controlLoopDefinition.getPolicyTypes().values()) {
+ policyTypeMap.put(policyType.getName(), policyType.getVersion());
+ }
+ dbProvider.createPolicyTypes(controlLoopDefinition);
+ }
+ if (controlLoopDefinition.getToscaTopologyTemplate().getPolicies() != null) {
+ for (Map<String, ToscaPolicy> foundPolicyMap : controlLoopDefinition
+ .getToscaTopologyTemplate().getPolicies()) {
+ for (ToscaPolicy policy : foundPolicyMap.values()) {
+ policyMap.put(policy.getName(), policy.getVersion());
+ }
+ }
+ dbProvider.createPolicies(controlLoopDefinition);
+ }
+ }
+
+ /**
+ * Handle controlLoopElement statistics.
+ *
+ * @param controlLoopElementId controlloop element id
+ */
+ @Override
+ public void handleStatistics(UUID controlLoopElementId) {
+ PolicyProvider policyProvider = PolicyHandler.getInstance().getPolicyProvider();
+ ControlLoopElement clElement = policyProvider.getIntermediaryApi()
+ .getControlLoopElement(controlLoopElementId);
+ if (clElement != null) {
+ ClElementStatistics clElementStatistics = new ClElementStatistics();
+ clElementStatistics.setControlLoopState(clElement.getState());
+ clElementStatistics.setTimeStamp(Instant.now());
+ policyProvider.getIntermediaryApi()
+ .updateControlLoopElementStatistics(controlLoopElementId, clElementStatistics);
+ }
+ }
+}
diff --git a/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/handler/PolicyHandler.java b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/handler/PolicyHandler.java
new file mode 100644
index 000000000..d62e5f9f3
--- /dev/null
+++ b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/handler/PolicyHandler.java
@@ -0,0 +1,100 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.clamp.controlloop.participant.policy.main.handler;
+
+import java.io.IOException;
+import java.util.List;
+import java.util.Set;
+import javax.ws.rs.core.Response;
+import lombok.Getter;
+import org.onap.policy.clamp.controlloop.common.handler.ControlLoopHandler;
+import org.onap.policy.clamp.controlloop.participant.intermediary.parameters.ParticipantIntermediaryParameters;
+import org.onap.policy.clamp.controlloop.participant.policy.main.parameters.ParticipantPolicyParameters;
+import org.onap.policy.common.endpoints.event.comm.TopicSink;
+import org.onap.policy.common.endpoints.listeners.MessageTypeDispatcher;
+import org.onap.policy.common.utils.services.Registry;
+import org.onap.policy.models.base.PfModelException;
+import org.onap.policy.models.base.PfModelRuntimeException;
+import org.onap.policy.models.provider.PolicyModelsProvider;
+import org.onap.policy.models.provider.PolicyModelsProviderFactory;
+
+/**
+ * This class handles policy participant and control loop elements.
+ *
+ * <p/>It is effectively a singleton that is started at system start.
+ */
+public class PolicyHandler extends ControlLoopHandler {
+
+ private final ParticipantIntermediaryParameters participantParameters;
+ private final ParticipantPolicyParameters policyParameters;
+
+ @Getter
+ private PolicyProvider policyProvider;
+ @Getter
+ private PolicyModelsProvider databaseProvider;
+
+ /**
+ * Create a handler.
+ *
+ * @param parameters the parameters for access to the database
+ * @throws PfModelException in case of an exception
+ */
+ public PolicyHandler(ParticipantPolicyParameters parameters) throws PfModelException {
+ super(parameters.getDatabaseProviderParameters());
+ participantParameters = parameters.getIntermediaryParameters();
+ policyParameters = parameters;
+ }
+
+ public static PolicyHandler getInstance() {
+ return Registry.get(PolicyHandler.class.getName());
+ }
+
+ @Override
+ public Set<Class<?>> getProviderClasses() {
+ return null;
+ }
+
+ @Override
+ public void startProviders() {
+ try {
+ policyProvider = new PolicyProvider(participantParameters);
+ databaseProvider = new PolicyModelsProviderFactory().createPolicyModelsProvider(
+ policyParameters.getDatabaseProviderParameters());
+ } catch (PfModelException e) {
+ throw new PfModelRuntimeException(Response.Status.INTERNAL_SERVER_ERROR, "Start providers failed ", e);
+ }
+ }
+
+ @Override
+ public void stopProviders() {
+ try {
+ policyProvider.close();
+ } catch (IOException e) {
+ throw new PfModelRuntimeException(Response.Status.INTERNAL_SERVER_ERROR, "Stop providers failed ", e);
+ }
+
+ try {
+ databaseProvider.close();
+ } catch (PfModelException e) {
+ throw new PfModelRuntimeException(Response.Status.INTERNAL_SERVER_ERROR, "Stop providers failed ", e);
+ }
+ }
+}
diff --git a/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/handler/PolicyProvider.java b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/handler/PolicyProvider.java
new file mode 100644
index 000000000..420c77ee3
--- /dev/null
+++ b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/handler/PolicyProvider.java
@@ -0,0 +1,57 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.clamp.controlloop.participant.policy.main.handler;
+
+import java.io.Closeable;
+import java.io.IOException;
+import lombok.Getter;
+import org.onap.policy.clamp.controlloop.common.exception.ControlLoopRuntimeException;
+import org.onap.policy.clamp.controlloop.participant.intermediary.api.ParticipantIntermediaryApi;
+import org.onap.policy.clamp.controlloop.participant.intermediary.api.ParticipantIntermediaryFactory;
+import org.onap.policy.clamp.controlloop.participant.intermediary.parameters.ParticipantIntermediaryParameters;
+
+/**
+ * Provider class for policy participant.
+ */
+public class PolicyProvider implements Closeable {
+ @Getter
+ private final ParticipantIntermediaryApi intermediaryApi;
+
+ private final ControlLoopElementHandler controlLoopElementHandler;
+
+ /**
+ * Create a policy participant provider.
+ *
+ * @throws ControlLoopRuntimeException on errors creating the provider
+ */
+ public PolicyProvider(ParticipantIntermediaryParameters participantParameters)
+ throws ControlLoopRuntimeException {
+ intermediaryApi = new ParticipantIntermediaryFactory().createApiImplementation();
+ intermediaryApi.init(participantParameters);
+ controlLoopElementHandler = new ControlLoopElementHandler();
+ intermediaryApi.registerControlLoopElementListener(controlLoopElementHandler);
+ }
+
+ @Override
+ public void close() throws IOException {
+ intermediaryApi.close();
+ }
+}
diff --git a/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/parameters/ParticipantPolicyParameterHandler.java b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/parameters/ParticipantPolicyParameterHandler.java
new file mode 100644
index 000000000..98cea821a
--- /dev/null
+++ b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/parameters/ParticipantPolicyParameterHandler.java
@@ -0,0 +1,79 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.clamp.controlloop.participant.policy.main.parameters;
+
+import java.io.File;
+import javax.ws.rs.core.Response;
+import org.onap.policy.clamp.controlloop.common.exception.ControlLoopException;
+import org.onap.policy.clamp.controlloop.participant.policy.main.startstop.ParticipantPolicyCommandLineArguments;
+import org.onap.policy.common.parameters.ValidationResult;
+import org.onap.policy.common.utils.coder.Coder;
+import org.onap.policy.common.utils.coder.CoderException;
+import org.onap.policy.common.utils.coder.StandardCoder;
+
+/**
+ * This class handles reading, parsing and validating of policy participant parameters from JSON files.
+ */
+public class ParticipantPolicyParameterHandler {
+
+ private static final Coder CODER = new StandardCoder();
+
+ /**
+ * Read the parameters from the parameter file.
+ *
+ * @param arguments the arguments passed to policy
+ * @return the parameters read from the configuration file
+ * @throws ControlLoopException on parameter exceptions
+ */
+ public ParticipantPolicyParameters getParameters(final ParticipantPolicyCommandLineArguments arguments)
+ throws ControlLoopException {
+ ParticipantPolicyParameters parameters = null;
+
+ // Read the parameters
+ try {
+ // Read the parameters from JSON
+ File file = new File(arguments.getFullConfigurationFilePath());
+ parameters = CODER.decode(file, ParticipantPolicyParameters.class);
+ } catch (final CoderException e) {
+ final String errorMessage = "error reading parameters from \"" + arguments.getConfigurationFilePath()
+ + "\"\n" + "(" + e.getClass().getSimpleName() + ")";
+ throw new ControlLoopException(Response.Status.NOT_ACCEPTABLE, errorMessage, e);
+ }
+
+ // The JSON processing returns null if there is an empty file
+ if (parameters == null) {
+ final String errorMessage = "no parameters found in \"" + arguments.getConfigurationFilePath() + "\"";
+ throw new ControlLoopException(Response.Status.NOT_ACCEPTABLE, errorMessage);
+ }
+
+ // validate the parameters
+ final ValidationResult validationResult = parameters.validate();
+ if (!validationResult.isValid()) {
+ String returnMessage =
+ "validation error(s) on parameters from \"" + arguments.getConfigurationFilePath() + "\"\n";
+ returnMessage += validationResult.getResult();
+
+ throw new ControlLoopException(Response.Status.NOT_ACCEPTABLE, returnMessage);
+ }
+
+ return parameters;
+ }
+}
diff --git a/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/parameters/ParticipantPolicyParameters.java b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/parameters/ParticipantPolicyParameters.java
new file mode 100644
index 000000000..13d89faba
--- /dev/null
+++ b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/parameters/ParticipantPolicyParameters.java
@@ -0,0 +1,49 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.clamp.controlloop.participant.policy.main.parameters;
+
+import javax.validation.constraints.NotBlank;
+import lombok.Getter;
+import org.onap.policy.clamp.controlloop.participant.intermediary.parameters.ParticipantIntermediaryParameters;
+import org.onap.policy.common.parameters.ParameterGroupImpl;
+import org.onap.policy.common.parameters.annotations.NotNull;
+import org.onap.policy.models.provider.PolicyModelsProviderParameters;
+
+/**
+ * Class to hold all parameters needed for the policy participant.
+ *
+ */
+@NotNull
+@NotBlank
+@Getter
+public class ParticipantPolicyParameters extends ParameterGroupImpl {
+ private ParticipantIntermediaryParameters intermediaryParameters;
+ private PolicyModelsProviderParameters databaseProviderParameters;
+
+ /**
+ * Create the policy participant parameter group.
+ *
+ * @param name the parameter group name
+ */
+ public ParticipantPolicyParameters(final String name) {
+ super(name);
+ }
+}
diff --git a/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/startstop/Main.java b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/startstop/Main.java
new file mode 100644
index 000000000..9a6bfdf7d
--- /dev/null
+++ b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/startstop/Main.java
@@ -0,0 +1,141 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.clamp.controlloop.participant.policy.main.startstop;
+
+import java.util.Arrays;
+import javax.ws.rs.core.Response;
+import lombok.Getter;
+import org.onap.policy.clamp.controlloop.common.exception.ControlLoopException;
+import org.onap.policy.clamp.controlloop.common.exception.ControlLoopRuntimeException;
+import org.onap.policy.clamp.controlloop.participant.policy.main.parameters.ParticipantPolicyParameterHandler;
+import org.onap.policy.clamp.controlloop.participant.policy.main.parameters.ParticipantPolicyParameters;
+import org.onap.policy.common.utils.resources.MessageConstants;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * This class initiates Policy Participant.
+ */
+public class Main {
+
+ private static final Logger LOGGER = LoggerFactory.getLogger(Main.class);
+
+ private ParticipantPolicyActivator activator;
+
+ @Getter
+ private ParticipantPolicyParameters parameterGroup;
+
+ /**
+ * Instantiates policy participant.
+ *
+ * @param args the command line arguments
+ */
+ public Main(final String[] args) {
+ final String argumentString = Arrays.toString(args);
+ LOGGER.info("Starting the control loop participant service with arguments - {}", argumentString);
+
+ // Check the arguments
+ final ParticipantPolicyCommandLineArguments arguments = new ParticipantPolicyCommandLineArguments();
+ try {
+ // The arguments return a string if there is a message to print and we should exit
+ final String argumentMessage = arguments.parse(args);
+ if (argumentMessage != null) {
+ LOGGER.info(argumentMessage);
+ return;
+ }
+ // Validate that the arguments are sane
+ arguments.validate();
+
+ // Read the parameters
+ parameterGroup = new ParticipantPolicyParameterHandler().getParameters(arguments);
+
+ // Now, create the activator for the service
+ activator = new ParticipantPolicyActivator(parameterGroup);
+
+ // Start the activator
+ activator.start();
+ } catch (Exception exp) {
+ throw new ControlLoopRuntimeException(Response.Status.BAD_REQUEST,
+ String.format(MessageConstants.START_FAILURE_MSG, MessageConstants.POLICY_CLAMP), exp);
+ }
+
+ // Add a shutdown hook to shut everything down in an orderly manner
+ Runtime.getRuntime().addShutdownHook(new ClRuntimeShutdownHookClass());
+ String successMsg = String.format(MessageConstants.START_SUCCESS_MSG, MessageConstants.POLICY_CLAMP);
+ LOGGER.info(successMsg);
+ }
+
+ /**
+ * Check if main is running.
+ */
+ public boolean isRunning() {
+ return activator != null && activator.isAlive();
+ }
+
+ /**
+ * Shut down Execution.
+ *
+ * @throws ControlLoopException on shutdown errors
+ */
+ public void shutdown() throws ControlLoopException {
+ // clear the parameterGroup variable
+ parameterGroup = null;
+
+ // clear the cl participant activator
+ if (activator != null) {
+ activator.stop();
+ }
+ }
+
+ /**
+ * The Class ClRuntimeShutdownHookClass terminates the policy participant
+ * when its run method is called.
+ */
+ private class ClRuntimeShutdownHookClass extends Thread {
+ /*
+ * (non-Javadoc)
+ *
+ * @see java.lang.Runnable#run()
+ */
+ @Override
+ public void run() {
+ try {
+ // Shutdown the control loop participant service and wait for everything to stop
+ shutdown();
+ } catch (final RuntimeException | ControlLoopException e) {
+ LOGGER.warn("error occured during shut down of the policy participant", e);
+ }
+ }
+ }
+
+ /**
+ * The main method.
+ *
+ * @param args the arguments
+ */
+ public static void main(final String[] args) { // NOSONAR
+ /*
+ * NOTE: arguments are validated by the constructor, thus sonar is disabled.
+ */
+
+ new Main(args);
+ }
+}
diff --git a/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/startstop/ParticipantPolicyActivator.java b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/startstop/ParticipantPolicyActivator.java
new file mode 100644
index 000000000..760f8267d
--- /dev/null
+++ b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/startstop/ParticipantPolicyActivator.java
@@ -0,0 +1,57 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.clamp.controlloop.participant.policy.main.startstop;
+
+import java.util.concurrent.atomic.AtomicReference;
+import lombok.Getter;
+import org.onap.policy.clamp.controlloop.participant.policy.main.handler.PolicyHandler;
+import org.onap.policy.clamp.controlloop.participant.policy.main.parameters.ParticipantPolicyParameters;
+import org.onap.policy.common.utils.services.ServiceManagerContainer;
+
+/**
+ * This class activates the policy participant.
+ *
+ */
+public class ParticipantPolicyActivator extends ServiceManagerContainer {
+ @Getter
+ private final ParticipantPolicyParameters parameters;
+
+ /**
+ * Instantiate the activator for the policy participant.
+ *
+ * @param parameters the parameters for the policy participant
+ */
+ public ParticipantPolicyActivator(final ParticipantPolicyParameters parameters) {
+ this.parameters = parameters;
+
+ final AtomicReference<PolicyHandler> policyHandler = new AtomicReference<>();
+
+ // @formatter:off
+ addAction("Policy Handler",
+ () -> policyHandler.set(new PolicyHandler(parameters)),
+ () -> policyHandler.get().close());
+
+ addAction("Policy Providers",
+ () -> policyHandler.get().startProviders(),
+ () -> policyHandler.get().stopProviders());
+ // @formatter:on
+ }
+}
diff --git a/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/startstop/ParticipantPolicyCommandLineArguments.java b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/startstop/ParticipantPolicyCommandLineArguments.java
new file mode 100644
index 000000000..af7a189f6
--- /dev/null
+++ b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/startstop/ParticipantPolicyCommandLineArguments.java
@@ -0,0 +1,145 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.clamp.controlloop.participant.policy.main.startstop;
+
+import java.util.Arrays;
+import javax.ws.rs.core.Response;
+import lombok.Getter;
+import lombok.Setter;
+import org.apache.commons.cli.CommandLine;
+import org.apache.commons.cli.DefaultParser;
+import org.apache.commons.cli.Options;
+import org.apache.commons.cli.ParseException;
+import org.apache.commons.lang3.StringUtils;
+import org.onap.policy.clamp.controlloop.common.exception.ControlLoopException;
+import org.onap.policy.clamp.controlloop.common.exception.ControlLoopRuntimeException;
+import org.onap.policy.clamp.controlloop.common.startstop.CommonCommandLineArguments;
+import org.onap.policy.common.utils.resources.ResourceUtils;
+
+/**
+ * This class reads and handles command line parameters for the policy participant.
+ *
+ */
+public class ParticipantPolicyCommandLineArguments {
+ private static final String FILE_MESSAGE_PREAMBLE = " file \"";
+ private static final int HELP_LINE_LENGTH = 120;
+
+ private final Options options;
+ private final CommonCommandLineArguments commonCommandLineArguments;
+
+ @Getter()
+ @Setter()
+ private String configurationFilePath = null;
+
+ /**
+ * Construct the options for the policy participant.
+ */
+ public ParticipantPolicyCommandLineArguments() {
+ options = new Options();
+ commonCommandLineArguments = new CommonCommandLineArguments(options);
+ }
+
+ /**
+ * Construct the options for the CLI editor and parse in the given arguments.
+ *
+ * @param args The command line arguments
+ */
+ public ParticipantPolicyCommandLineArguments(final String[] args) {
+ // Set up the options with the default constructor
+ this();
+
+ // Parse the arguments
+ try {
+ parse(args);
+ } catch (final ControlLoopException e) {
+ throw new ControlLoopRuntimeException(Response.Status.NOT_ACCEPTABLE,
+ "parse error on policy participant parameters", e);
+ }
+ }
+
+ /**
+ * Parse the command line options.
+ *
+ * @param args The command line arguments
+ * @return a string with a message for help and version, or null if there is no message
+ * @throws ControlLoopException on command argument errors
+ */
+ public String parse(final String[] args) throws ControlLoopException {
+ // Clear all our arguments
+ setConfigurationFilePath(null);
+ CommandLine commandLine = null;
+ try {
+ commandLine = new DefaultParser().parse(options, args);
+ } catch (final ParseException e) {
+ throw new ControlLoopException(Response.Status.NOT_ACCEPTABLE,
+ "invalid command line arguments specified : " + e.getMessage());
+ }
+
+ // Arguments left over after Commons CLI does its stuff
+ final String[] remainingArgs = commandLine.getArgs();
+
+ if (remainingArgs.length > 0) {
+ throw new ControlLoopException(Response.Status.NOT_ACCEPTABLE,
+ "too many command line arguments specified : " + Arrays.toString(args));
+ }
+
+ if (commandLine.hasOption('h')) {
+ return commonCommandLineArguments.help(Main.class.getName(), options);
+ }
+
+ if (commandLine.hasOption('v')) {
+ return commonCommandLineArguments.version();
+ }
+
+ if (commandLine.hasOption('c')) {
+ setConfigurationFilePath(commandLine.getOptionValue('c'));
+ }
+
+ return null;
+ }
+
+ /**
+ * Validate the command line options.
+ *
+ * @throws ControlLoopException on command argument validation errors
+ */
+ public void validate() throws ControlLoopException {
+ commonCommandLineArguments.validate(configurationFilePath);
+ }
+
+ /**
+ * Gets the full expanded configuration file path.
+ *
+ * @return the configuration file path
+ */
+ public String getFullConfigurationFilePath() {
+ return ResourceUtils.getFilePath4Resource(getConfigurationFilePath());
+ }
+
+ /**
+ * Check set configuration file path.
+ *
+ * @return true, if check set configuration file path
+ */
+ public boolean checkSetConfigurationFilePath() {
+ return !StringUtils.isEmpty(configurationFilePath);
+ }
+}
diff --git a/participant/participant-impl/participant-impl-policy/src/main/resources/META-INF/persistence.xml b/participant/participant-impl/participant-impl-policy/src/main/resources/META-INF/persistence.xml
new file mode 100644
index 000000000..46db712b6
--- /dev/null
+++ b/participant/participant-impl/participant-impl-policy/src/main/resources/META-INF/persistence.xml
@@ -0,0 +1,79 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ ============LICENSE_START=======================================================
+ Copyright (C) 2021 Nordix Foundation.
+ ================================================================================
+ 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.
+
+ SPDX-License-Identifier: Apache-2.0
+ ============LICENSE_END=========================================================
+-->
+<persistence xmlns="http://java.sun.com/xml/ns/persistence" version="2.0">
+ <persistence-unit name="ToscaConceptTest" transaction-type="RESOURCE_LOCAL">
+ <provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
+
+ <class>org.onap.policy.models.base.PfConceptKey</class>
+ <class>org.onap.policy.models.dao.converters.CDataConditioner</class>
+ <class>org.onap.policy.models.dao.converters.Uuid2String</class>
+ <class>org.onap.policy.models.pdp.persistence.concepts.JpaPdp</class>
+ <class>org.onap.policy.models.pdp.persistence.concepts.JpaPdpGroup</class>
+ <class>org.onap.policy.models.pdp.persistence.concepts.JpaPdpStatistics</class>
+ <class>org.onap.policy.models.pdp.persistence.concepts.JpaPdpSubGroup</class>
+ <class>org.onap.policy.models.tosca.simple.concepts.JpaToscaCapabilityAssignment</class>
+ <class>org.onap.policy.models.tosca.simple.concepts.JpaToscaCapabilityAssignments</class>
+ <class>org.onap.policy.models.tosca.simple.concepts.JpaToscaCapabilityType</class>
+ <class>org.onap.policy.models.tosca.simple.concepts.JpaToscaCapabilityTypes</class>
+ <class>org.onap.policy.models.tosca.simple.concepts.JpaToscaDataType</class>
+ <class>org.onap.policy.models.tosca.simple.concepts.JpaToscaDataTypes</class>
+ <class>org.onap.policy.models.tosca.simple.concepts.JpaToscaNodeTemplate</class>
+ <class>org.onap.policy.models.tosca.simple.concepts.JpaToscaNodeTemplates</class>
+ <class>org.onap.policy.models.tosca.simple.concepts.JpaToscaNodeType</class>
+ <class>org.onap.policy.models.tosca.simple.concepts.JpaToscaNodeTypes</class>
+ <class>org.onap.policy.models.tosca.simple.concepts.JpaToscaParameter</class>
+ <class>org.onap.policy.models.tosca.simple.concepts.JpaToscaPolicies</class>
+ <class>org.onap.policy.models.tosca.simple.concepts.JpaToscaPolicy</class>
+ <class>org.onap.policy.models.tosca.simple.concepts.JpaToscaPolicyType</class>
+ <class>org.onap.policy.models.tosca.simple.concepts.JpaToscaPolicyTypes</class>
+ <class>org.onap.policy.models.tosca.simple.concepts.JpaToscaProperty</class>
+ <class>org.onap.policy.models.tosca.simple.concepts.JpaToscaRelationshipType</class>
+ <class>org.onap.policy.models.tosca.simple.concepts.JpaToscaRelationshipTypes</class>
+ <class>org.onap.policy.models.tosca.simple.concepts.JpaToscaRequirement</class>
+ <class>org.onap.policy.models.tosca.simple.concepts.JpaToscaRequirements</class>
+ <class>org.onap.policy.models.tosca.simple.concepts.JpaToscaServiceTemplate</class>
+ <class>org.onap.policy.models.tosca.simple.concepts.JpaToscaTopologyTemplate</class>
+ <class>org.onap.policy.models.tosca.simple.concepts.JpaToscaTrigger</class>
+ <class>org.onap.policy.clamp.controlloop.models.controlloop.persistence.concepts.JpaControlLoop</class>
+ <class>org.onap.policy.clamp.controlloop.models.controlloop.persistence.concepts.JpaControlLoopElement</class>
+ <class>org.onap.policy.clamp.controlloop.models.controlloop.persistence.concepts.JpaParticipant</class>
+ <class>org.onap.policy.clamp.controlloop.models.controlloop.persistence.concepts.JpaParticipantStatistics</class>
+ <class>org.onap.policy.clamp.controlloop.models.controlloop.persistence.concepts.JpaClElementStatistics</class>
+ <properties>
+ <property name="eclipselink.ddl-generation" value="drop-and-create-tables" />
+ <property name="eclipselink.ddl-generation.output-mode" value="database" />
+ <property name="eclipselink.logging.level" value="INFO" />
+
+ <!-- property name="eclipselink.logging.level" value="ALL" />
+ <property name="eclipselink.logging.level.jpa" value="ALL" />
+ <property name="eclipselink.logging.level.ddl" value="ALL" />
+ <property name="eclipselink.logging.level.connection" value="ALL" />
+ <property name="eclipselink.logging.level.sql" value="ALL" />
+ <property name="eclipselink.logging.level.transaction" value="ALL" />
+ <property name="eclipselink.logging.level.sequencing" value="ALL" />
+ <property name="eclipselink.logging.level.server" value="ALL" />
+ <property name="eclipselink.logging.level.query" value="ALL" />
+ <property name="eclipselink.logging.level.properties" value="ALL" /-->
+ </properties>
+ <shared-cache-mode>NONE</shared-cache-mode>
+ </persistence-unit>
+</persistence>
+
diff --git a/participant/participant-impl/participant-impl-policy/src/main/resources/config/PolicyParticipantConfig.json b/participant/participant-impl/participant-impl-policy/src/main/resources/config/PolicyParticipantConfig.json
new file mode 100644
index 000000000..e6b3c8eb1
--- /dev/null
+++ b/participant/participant-impl/participant-impl-policy/src/main/resources/config/PolicyParticipantConfig.json
@@ -0,0 +1,31 @@
+{
+ "name":"ParticipantParameterGroup",
+ "participantStatusParameters":{
+ "timeIntervalMs":10000,
+ "description":"Participant Status",
+ "participantId":{
+ "name": "PolicyParticipant0",
+ "version":"1.0.0"
+ },
+ "participantType":{
+ "name": "org.onap.policy.controlloop.PolicyControlLoopParticipant",
+ "version":"2.3.1"
+ },
+ "participantDefinition":{
+ "name": "org.onap.policy.controlloop.PolicyControlLoopParticipant",
+ "version":"2.3.1"
+ }
+ },
+ "topicParameterGroup": {
+ "topicSources" : [{
+ "topic" : "POLICY-CLRUNTIME-PARTICIPANT",
+ "servers" : [ "127.0.0.1:3904" ],
+ "topicCommInfrastructure" : "dmaap"
+ }],
+ "topicSinks" : [{
+ "topic" : "POLICY-CLRUNTIME-PARTICIPANT",
+ "servers" : [ "127.0.0.1:3904" ],
+ "topicCommInfrastructure" : "dmaap"
+ }]
+ }
+}
diff --git a/participant/participant-impl/participant-impl-policy/src/main/resources/version.txt b/participant/participant-impl/participant-impl-policy/src/main/resources/version.txt
new file mode 100644
index 000000000..dbd67585f
--- /dev/null
+++ b/participant/participant-impl/participant-impl-policy/src/main/resources/version.txt
@@ -0,0 +1,4 @@
+ONAP Tosca defined control loop Participant
+Version: ${project.version}
+Built (UTC): ${maven.build.timestamp}
+ONAP https://wiki.onap.org