diff options
Diffstat (limited to 'policy-management/src/main/java/org')
4 files changed, 193 insertions, 96 deletions
diff --git a/policy-management/src/main/java/org/onap/policy/drools/controller/internal/MavenDroolsController.java b/policy-management/src/main/java/org/onap/policy/drools/controller/internal/MavenDroolsController.java index 6a4b8f22..eb401eba 100644 --- a/policy-management/src/main/java/org/onap/policy/drools/controller/internal/MavenDroolsController.java +++ b/policy-management/src/main/java/org/onap/policy/drools/controller/internal/MavenDroolsController.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. @@ -54,7 +54,7 @@ import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** - * Maven-based Drools Controller that interacts with the + * Maven-based Drools Controller that interacts with the * policy-core PolicyContainer and PolicySession to manage * Drools containers instantiated using Maven. */ @@ -73,7 +73,7 @@ public class MavenDroolsController implements DroolsController { protected final PolicyContainer policyContainer; /** - * alive status of this drools controller, + * alive status of this drools controller, * reflects invocation of start()/stop() only. */ protected volatile boolean alive = false; @@ -82,7 +82,7 @@ public class MavenDroolsController implements DroolsController { * locked status of this drools controller, * reflects if i/o drools related operations are permitted, * more specifically: offer() and deliver(). - * It does not affect the ability to start and stop + * It does not affect the ability to start and stop * underlying drools infrastructure */ protected volatile boolean locked = false; @@ -116,17 +116,17 @@ public class MavenDroolsController implements DroolsController { /** * Expanded version of the constructor. - * + * * @param groupId maven group id * @param artifactId maven artifact id * @param version maven version * @param decoderConfigurations list of topic -> decoders -> filters mapping * @param encoderConfigurations list of topic -> encoders -> filters mapping - * + * * @throws IllegalArgumentException invalid arguments passed in */ - public MavenDroolsController(String groupId, - String artifactId, + public MavenDroolsController(String groupId, + String artifactId, String version, List<TopicCoderFilterConfiguration> decoderConfigurations, List<TopicCoderFilterConfiguration> encoderConfigurations) { @@ -153,7 +153,7 @@ public class MavenDroolsController implements DroolsController { /** * init encoding/decoding configuration. - * + * * @param decoderConfigurations list of topic -> decoders -> filters mapping * @param encoderConfigurations list of topic -> encoders -> filters mapping */ @@ -172,7 +172,7 @@ public class MavenDroolsController implements DroolsController { @Override public void updateToVersion(String newGroupId, String newArtifactId, String newVersion, List<TopicCoderFilterConfiguration> decoderConfigurations, - List<TopicCoderFilterConfiguration> encoderConfigurations) + List<TopicCoderFilterConfiguration> encoderConfigurations) throws LinkageError { logger.info("updating version -> [{}:{}:{}]", newGroupId, newArtifactId, newVersion); @@ -189,27 +189,27 @@ public class MavenDroolsController implements DroolsController { throw new IllegalArgumentException("Missing maven version coordinate"); } - if (newGroupId.equalsIgnoreCase(DroolsController.NO_GROUP_ID) - || newArtifactId.equalsIgnoreCase(DroolsController.NO_ARTIFACT_ID) + if (newGroupId.equalsIgnoreCase(DroolsController.NO_GROUP_ID) + || newArtifactId.equalsIgnoreCase(DroolsController.NO_ARTIFACT_ID) || newVersion.equalsIgnoreCase(DroolsController.NO_VERSION)) { - throw new IllegalArgumentException("BRAINLESS maven coordinates provided: " - + newGroupId + ":" + newArtifactId + ":" + throw new IllegalArgumentException("BRAINLESS maven coordinates provided: " + + newGroupId + ":" + newArtifactId + ":" + newVersion); } if (newGroupId.equalsIgnoreCase(this.getGroupId()) && newArtifactId.equalsIgnoreCase(this.getArtifactId()) && newVersion.equalsIgnoreCase(this.getVersion())) { - logger.warn("Al in the right version: " + newGroupId + ":" + logger.warn("Al in the right version: " + newGroupId + ":" + newArtifactId + ":" + newVersion + " vs. " + this); return; } - if (!newGroupId.equalsIgnoreCase(this.getGroupId()) + if (!newGroupId.equalsIgnoreCase(this.getGroupId()) || !newArtifactId.equalsIgnoreCase(this.getArtifactId())) { throw new IllegalArgumentException( - "Group ID and Artifact ID maven coordinates must be identical for the upgrade: " - + newGroupId + ":" + newArtifactId + ":" + "Group ID and Artifact ID maven coordinates must be identical for the upgrade: " + + newGroupId + ":" + newArtifactId + ":" + newVersion + " vs. " + this); } @@ -238,10 +238,10 @@ public class MavenDroolsController implements DroolsController { * initialize decoders for all the topics supported by this controller * Note this is critical to be done after the Policy Container is * instantiated to be able to fetch the corresponding classes. - * + * * @param coderConfigurations list of topic -> decoders -> filters mapping */ - protected void initCoders(List<TopicCoderFilterConfiguration> coderConfigurations, + protected void initCoders(List<TopicCoderFilterConfiguration> coderConfigurations, boolean decoder) { if (logger.isInfoEnabled()) { @@ -257,7 +257,7 @@ public class MavenDroolsController implements DroolsController { String topic = coderConfig.getTopic(); CustomGsonCoder customGsonCoder = coderConfig.getCustomGsonCoder(); - if (coderConfig.getCustomGsonCoder() != null + if (coderConfig.getCustomGsonCoder() != null && coderConfig.getCustomGsonCoder().getClassContainer() != null && !coderConfig.getCustomGsonCoder().getClassContainer().isEmpty()) { @@ -281,7 +281,7 @@ public class MavenDroolsController implements DroolsController { String potentialCodedClass = coderFilter.getCodedClass(); JsonProtocolFilter protocolFilter = coderFilter.getFilter(); - if (!ReflectionUtil.isClass(this.policyContainer.getClassLoader(), + if (!ReflectionUtil.isClass(this.policyContainer.getClassLoader(), potentialCodedClass)) { throw makeRetrieveEx(potentialCodedClass); } else { @@ -378,7 +378,7 @@ public class MavenDroolsController implements DroolsController { if (modelHash == this.modelClassLoaderHash) { if (logger.isInfoEnabled()) { - logger.info(coderClass.getCanonicalName() + logger.info(coderClass.getCanonicalName() + this + " class loader matches original drools controller rules classloader " + coderClass.getClassLoader()); } @@ -386,7 +386,7 @@ public class MavenDroolsController implements DroolsController { } else { if (logger.isWarnEnabled()) { logger.warn(this + coderClass.getCanonicalName() + " class loaders don't match " - + coderClass.getClassLoader() + " vs " + + coderClass.getClassLoader() + " vs " + this.policyContainer.getClassLoader()); } return false; @@ -498,11 +498,11 @@ public class MavenDroolsController implements DroolsController { // 1. Now, check if this topic has a decoder: - if (!EventProtocolCoder.manager.isDecodingSupported(this.getGroupId(), - this.getArtifactId(), + if (!EventProtocolCoder.manager.isDecodingSupported(this.getGroupId(), + this.getArtifactId(), topic)) { - logger.warn("{}: DECODING-UNSUPPORTED {}:{}:{}", this, + logger.warn("{}: DECODING-UNSUPPORTED {}:{}:{}", this, topic, this.getGroupId(), this.getArtifactId()); return true; } @@ -511,16 +511,16 @@ public class MavenDroolsController implements DroolsController { Object anEvent; try { - anEvent = EventProtocolCoder.manager.decode(this.getGroupId(), - this.getArtifactId(), - topic, + anEvent = EventProtocolCoder.manager.decode(this.getGroupId(), + this.getArtifactId(), + topic, event); } catch (UnsupportedOperationException uoe) { - logger.debug("{}: DECODE FAILED: {} <- {} because of {}", this, topic, + logger.debug("{}: DECODE FAILED: {} <- {} because of {}", this, topic, event, uoe.getMessage(), uoe); return true; } catch (Exception e) { - logger.warn("{}: DECODE FAILED: {} <- {} because of {}", this, topic, + logger.warn("{}: DECODE FAILED: {} <- {} because of {}", this, topic, event, e.getMessage(), e); return true; } @@ -530,12 +530,12 @@ public class MavenDroolsController implements DroolsController { } // increment event count for Nagios monitoring - PdpJmx.getInstance().updateOccured(); + PdpJmx.getInstance().updateOccured(); // Broadcast if (logger.isInfoEnabled()) { - logger.info("{} BROADCAST-INJECT of {} FROM {} INTO {}", + logger.info("{} BROADCAST-INJECT of {} FROM {} INTO {}", this, event, topic, this.policyContainer.getName()); } @@ -575,7 +575,19 @@ public class MavenDroolsController implements DroolsController { if (logger.isInfoEnabled()) { logger.info("{}DELIVER: {} FROM {} TO {}", this, event, this, sink); } - + + for (DroolsControllerFeatureAPI feature : DroolsControllerFeatureAPI.providers.getList()) { + try { + if (feature.beforeDeliver(this, sink, event)) { + return true; + } + } + catch (Exception e) { + logger.error("{}: feature {} before-deliver failure because of {}", this, feature.getClass().getName(), + e.getMessage(), e); + } + } + if (sink == null) { throw new IllegalArgumentException(this + " invalid sink"); } @@ -583,7 +595,7 @@ public class MavenDroolsController implements DroolsController { if (event == null) { throw new IllegalArgumentException(this + " invalid event"); } - + if (this.locked) { throw new IllegalStateException(this + " is locked"); } @@ -599,7 +611,21 @@ public class MavenDroolsController implements DroolsController { this.recentSinkEvents.add(json); } - return sink.send(json); + boolean success = sink.send(json); + + for (DroolsControllerFeatureAPI feature : DroolsControllerFeatureAPI.providers.getList()) { + try { + if (feature.afterDeliver(this, sink, event, json, success)) { + return true; + } + } + catch (Exception e) { + logger.error("{}: feature {} after-deliver failure because of {}", this, feature.getClass().getName(), + e.getMessage(), e); + } + } + + return success; } @@ -620,7 +646,7 @@ public class MavenDroolsController implements DroolsController { /** * Get model class loader hash. - * + * * @return the modelClassLoaderHash */ public int getModelClassLoaderHash() { @@ -664,7 +690,7 @@ public class MavenDroolsController implements DroolsController { /** * get session names. - * + * * @param abbreviated true for the short form, otherwise the long form * @return session names */ @@ -699,7 +725,7 @@ public class MavenDroolsController implements DroolsController { /** * provides the underlying core layer container sessions. - * + * * @return the attached Policy Container */ protected List<PolicySession> getSessions() { @@ -710,7 +736,7 @@ public class MavenDroolsController implements DroolsController { /** * provides the underlying core layer container session with name sessionName. - * + * * @param sessionName session name * @return the attached Policy Container * @throws IllegalArgumentException when an invalid session name is provided @@ -783,7 +809,7 @@ public class MavenDroolsController implements DroolsController { throw new IllegalArgumentException("Invalid Class Name: " + className); } - Class<?> factClass = + Class<?> factClass = ReflectionUtil.fetchClass(this.policyContainer.getClassLoader(), className); if (factClass == null) { throw new IllegalArgumentException("Class cannot be fetched in model's classloader: " + className); @@ -810,7 +836,7 @@ public class MavenDroolsController implements DroolsController { } @Override - public List<Object> factQuery(String sessionName, String queryName, String queriedEntity, + public List<Object> factQuery(String sessionName, String queryName, String queriedEntity, boolean delete, Object... queryParams) { if (sessionName == null || sessionName.isEmpty()) { throw invalidSessNameEx(sessionName); @@ -864,7 +890,7 @@ public class MavenDroolsController implements DroolsController { /** * Get recent source events. - * + * * @return the recentSourceEvents */ @Override @@ -877,7 +903,7 @@ public class MavenDroolsController implements DroolsController { /** * Get recent sink events. - * + * * @return the recentSinkEvents */ @Override diff --git a/policy-management/src/main/java/org/onap/policy/drools/features/DroolsControllerFeatureAPI.java b/policy-management/src/main/java/org/onap/policy/drools/features/DroolsControllerFeatureAPI.java index 135e1c58..d8663f10 100644 --- a/policy-management/src/main/java/org/onap/policy/drools/features/DroolsControllerFeatureAPI.java +++ b/policy-management/src/main/java/org/onap/policy/drools/features/DroolsControllerFeatureAPI.java @@ -2,14 +2,14 @@ * ============LICENSE_START======================================================= * ONAP * ================================================================================ - * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved. + * Copyright (C) 2018-2019 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. @@ -20,6 +20,7 @@ package org.onap.policy.drools.features; +import org.onap.policy.common.endpoints.event.comm.TopicSink; import org.onap.policy.drools.controller.DroolsController; import org.onap.policy.drools.utils.OrderedService; import org.onap.policy.drools.utils.OrderedServiceImpl; @@ -53,6 +54,28 @@ public interface DroolsControllerFeatureAPI extends OrderedService { } /** + * Intercept before the Drools Controller delivers (posts) an event. + * + * @return True if this feature intercepts and takes ownership + * of the operation preventing the invocation of + * lower priority features. False, otherwise + */ + default boolean beforeDeliver(DroolsController controller, TopicSink sink, Object fact) { + return false; + } + + /** + * Called after the Drools Controller delivers (posts) an event. + * + * @return True if this feature intercepts and takes ownership of the operation + * preventing the invocation of lower priority features. False, otherwise + */ + default boolean afterDeliver(DroolsController controller, TopicSink sink, Object fact, String json, + boolean success) { + return false; + } + + /** * Feature providers implementing this interface. */ public static final OrderedServiceImpl<DroolsControllerFeatureAPI> providers = diff --git a/policy-management/src/main/java/org/onap/policy/drools/features/PolicyEngineFeatureAPI.java b/policy-management/src/main/java/org/onap/policy/drools/features/PolicyEngineFeatureAPI.java index c86f6e0d..a8772117 100644 --- a/policy-management/src/main/java/org/onap/policy/drools/features/PolicyEngineFeatureAPI.java +++ b/policy-management/src/main/java/org/onap/policy/drools/features/PolicyEngineFeatureAPI.java @@ -2,14 +2,14 @@ * ============LICENSE_START======================================================= * policy-engine * ================================================================================ - * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved. + * Copyright (C) 2017-2019 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. @@ -21,7 +21,8 @@ package org.onap.policy.drools.features; import java.util.Properties; - +import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure; +import org.onap.policy.drools.protocol.configuration.PdpdConfiguration; import org.onap.policy.drools.system.PolicyEngine; import org.onap.policy.drools.utils.OrderedService; import org.onap.policy.drools.utils.OrderedServiceImpl; @@ -34,14 +35,14 @@ public interface PolicyEngineFeatureAPI extends OrderedService { /** * Feature providers implementing this interface. */ - public static final OrderedServiceImpl<PolicyEngineFeatureAPI> providers = + public static final OrderedServiceImpl<PolicyEngineFeatureAPI> providers = new OrderedServiceImpl<>(PolicyEngineFeatureAPI.class); /** * intercept before the Policy Engine is commanded to boot. - * + * * @return true if this feature intercepts and takes ownership - * of the operation preventing the invocation of + * of the operation preventing the invocation of * lower priority features. False, otherwise. */ public default boolean beforeBoot(PolicyEngine engine, String[] cliArgs) { @@ -50,9 +51,9 @@ public interface PolicyEngineFeatureAPI extends OrderedService { /** * intercept after the Policy Engine is booted. - * + * * @return true if this feature intercepts and takes ownership - * of the operation preventing the invocation of + * of the operation preventing the invocation of * lower priority features. False, otherwise. */ public default boolean afterBoot(PolicyEngine engine) { @@ -61,9 +62,9 @@ public interface PolicyEngineFeatureAPI extends OrderedService { /** * intercept before the Policy Engine is configured. - * + * * @return true if this feature intercepts and takes ownership - * of the operation preventing the invocation of + * of the operation preventing the invocation of * lower priority features. False, otherwise. */ public default boolean beforeConfigure(PolicyEngine engine, Properties properties) { @@ -72,9 +73,9 @@ public interface PolicyEngineFeatureAPI extends OrderedService { /** * intercept after the Policy Engine is configured. - * + * * @return true if this feature intercepts and takes ownership - * of the operation preventing the invocation of + * of the operation preventing the invocation of * lower priority features. False, otherwise. */ public default boolean afterConfigure(PolicyEngine engine) { @@ -83,9 +84,9 @@ public interface PolicyEngineFeatureAPI extends OrderedService { /** * intercept before the Policy Engine goes active. - * + * * @return true if this feature intercepts and takes ownership - * of the operation preventing the invocation of + * of the operation preventing the invocation of * lower priority features. False, otherwise. */ public default boolean beforeActivate(PolicyEngine engine) { @@ -94,9 +95,9 @@ public interface PolicyEngineFeatureAPI extends OrderedService { /** * intercept after the Policy Engine goes active. - * + * * @return true if this feature intercepts and takes ownership - * of the operation preventing the invocation of + * of the operation preventing the invocation of * lower priority features. False, otherwise. */ public default boolean afterActivate(PolicyEngine engine) { @@ -105,9 +106,9 @@ public interface PolicyEngineFeatureAPI extends OrderedService { /** * intercept before the Policy Engine goes standby. - * + * * @return true if this feature intercepts and takes ownership - * of the operation preventing the invocation of + * of the operation preventing the invocation of * lower priority features. False, otherwise. */ public default boolean beforeDeactivate(PolicyEngine engine) { @@ -116,9 +117,9 @@ public interface PolicyEngineFeatureAPI extends OrderedService { /** * intercept after the Policy Engine goes standby. - * + * * @return true if this feature intercepts and takes ownership - * of the operation preventing the invocation of + * of the operation preventing the invocation of * lower priority features. False, otherwise. */ public default boolean afterDeactivate(PolicyEngine engine) { @@ -127,9 +128,9 @@ public interface PolicyEngineFeatureAPI extends OrderedService { /** * intercept before the Policy Engine is started. - * + * * @return true if this feature intercepts and takes ownership - * of the operation preventing the invocation of + * of the operation preventing the invocation of * lower priority features. False, otherwise. */ public default boolean beforeStart(PolicyEngine engine) { @@ -138,9 +139,9 @@ public interface PolicyEngineFeatureAPI extends OrderedService { /** * intercept after the Policy Engine is started. - * + * * @return true if this feature intercepts and takes ownership - * of the operation preventing the invocation of + * of the operation preventing the invocation of * lower priority features. False, otherwise. */ public default boolean afterStart(PolicyEngine engine) { @@ -149,9 +150,9 @@ public interface PolicyEngineFeatureAPI extends OrderedService { /** * intercept before the Policy Engine is stopped. - * + * * @return true if this feature intercepts and takes ownership - * of the operation preventing the invocation of + * of the operation preventing the invocation of * lower priority features. False, otherwise.. */ public default boolean beforeStop(PolicyEngine engine) { @@ -160,9 +161,9 @@ public interface PolicyEngineFeatureAPI extends OrderedService { /** * intercept after the Policy Engine is stopped. - * + * * @return true if this feature intercepts and takes ownership - * of the operation preventing the invocation of + * of the operation preventing the invocation of * lower priority features. False, otherwise.d. */ public default boolean afterStop(PolicyEngine engine) { @@ -171,9 +172,9 @@ public interface PolicyEngineFeatureAPI extends OrderedService { /** * intercept before the Policy Engine is locked. - * + * * @return true if this feature intercepts and takes ownership - * of the operation preventing the invocation of + * of the operation preventing the invocation of * lower priority features. False, otherwise. */ public default boolean beforeLock(PolicyEngine engine) { @@ -182,9 +183,9 @@ public interface PolicyEngineFeatureAPI extends OrderedService { /** * intercept after the Policy Engine is locked. - * + * * @return true if this feature intercepts and takes ownership - * of the operation preventing the invocation of + * of the operation preventing the invocation of * lower priority features. False, otherwise.. */ public default boolean afterLock(PolicyEngine engine) { @@ -193,9 +194,9 @@ public interface PolicyEngineFeatureAPI extends OrderedService { /** * intercept before the Policy Engine is locked. - * + * * @return true if this feature intercepts and takes ownership - * of the operation preventing the invocation of + * of the operation preventing the invocation of * lower priority features. False, otherwise. */ public default boolean beforeUnlock(PolicyEngine engine) { @@ -204,9 +205,9 @@ public interface PolicyEngineFeatureAPI extends OrderedService { /** * intercept after the Policy Engine is locked. - * + * * @return true if this feature intercepts and takes ownership - * of the operation preventing the invocation of + * of the operation preventing the invocation of * lower priority features. False, otherwise. */ public default boolean afterUnlock(PolicyEngine engine) { @@ -215,9 +216,9 @@ public interface PolicyEngineFeatureAPI extends OrderedService { /** * intercept the Policy Engine is shut down. - * + * * @return true if this feature intercepts and takes ownership - * of the operation preventing the invocation of + * of the operation preventing the invocation of * lower priority features. False, otherwise.. */ public default boolean beforeShutdown(PolicyEngine engine) { @@ -226,12 +227,34 @@ public interface PolicyEngineFeatureAPI extends OrderedService { /** * called after the Policy Engine is shut down. - * + * * @return true if this feature intercepts and takes ownership - * of the operation preventing the invocation of + * of the operation preventing the invocation of * lower priority features. False, otherwise. */ public default boolean afterShutdown(PolicyEngine engine) { return false; } + + /** + * Intercept an event from UEB/DMaaP before the PolicyEngine processes it. + * + * @return True if this feature intercepts and takes ownership of the operation + * preventing the invocation of lower priority features. False, otherwise. + */ + public default boolean beforeOnTopicEvent(PolicyEngine engine, CommInfrastructure commType, String topic, + String event) { + return false; + } + + /** + * Called after the PolicyEngine processes the events. + * + * @return True if this feature intercepts and takes ownership of the operation + * preventing the invocation of lower priority features. False, otherwise + */ + public default boolean afterOnTopicEvent(PolicyEngine engine, PdpdConfiguration configuration, + CommInfrastructure commType, String topic, String event) { + return false; + } } 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 bedd8d48..86655fff 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 @@ -699,7 +699,7 @@ class PolicyEngineManager implements PolicyEngine { throw new IllegalArgumentException(controllerName + " is invalid"); } - logger.warn("controller being recovered. {} Reset controller's bad maven coordinates to brainless", + logger.warn("controller being recovered. {} Reset controller's bad maven coordinates to brainless", controllerName); /* @@ -922,7 +922,7 @@ class PolicyEngineManager implements PolicyEngine { logger.error("{}: cannot start http-server {} because of {}", this, httpServer, e.getMessage(), e); } } - + // stop JMX? /* policy-engine dispatch pre stop hook */ @@ -1007,7 +1007,7 @@ class PolicyEngineManager implements PolicyEngine { exitThread.interrupt(); logger.info("{}: normal termination", this); } - + /** * Thread that shuts down http servers. */ @@ -1042,13 +1042,13 @@ class PolicyEngineManager implements PolicyEngine { doExit(0); } } - + // these may be overridden by junit tests protected void doSleep(long sleepMs) throws InterruptedException { Thread.sleep(sleepMs); } - + protected void doExit(int code) { System.exit(code); } @@ -1249,13 +1249,38 @@ class PolicyEngineManager implements PolicyEngine { @Override public void onTopicEvent(CommInfrastructure commType, String topic, String event) { + /* policy-engine pre topic event hook */ + for (final PolicyEngineFeatureAPI feature : getFeatureProviders()) { + try { + if (feature.beforeOnTopicEvent(this, commType, topic, event)) { + return; + } + } catch (final Exception e) { + logger.error("{}: feature {} beforeOnTopicEvent failure on event {} because of {}", this, + feature.getClass().getName(), event, e.getMessage(), e); + } + } + /* configuration request */ + PdpdConfiguration configuration = null; try { - final PdpdConfiguration configuration = this.decoder.fromJson(event, PdpdConfiguration.class); + 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); } + + /* policy-engine after topic event hook */ + for (final PolicyEngineFeatureAPI feature : getFeatureProviders()) { + try { + if (feature.afterOnTopicEvent(this, configuration, commType, topic, event)) { + return; + } + } catch (final Exception e) { + logger.error("{}: feature {} afterOnTopicEvent failure on event {} because of {}", this, + feature.getClass().getName(), event, e.getMessage(), e); + } + } } @Override |