diff options
Diffstat (limited to 'controlloop/common/eventmanager')
2 files changed, 66 insertions, 3 deletions
diff --git a/controlloop/common/eventmanager/src/main/java/org/onap/policy/drools/PolicyEngineListener.java b/controlloop/common/eventmanager/src/main/java/org/onap/policy/drools/PolicyEngineListener.java new file mode 100644 index 000000000..216f819ca --- /dev/null +++ b/controlloop/common/eventmanager/src/main/java/org/onap/policy/drools/PolicyEngineListener.java @@ -0,0 +1,35 @@ +/*- + * ============LICENSE_START======================================================= + * policy engine + * ================================================================================ + * 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; + +public interface PolicyEngineListener { + + /** + * Any class that implements this interface will + * be notified of a new event on the queue in the + * PolicyEngineJUnitImpl + * + * @param topic a key to the queue that contains + * the event + */ + public void newEventNotification(String topic); + +} diff --git a/controlloop/common/eventmanager/src/main/java/org/onap/policy/drools/impl/PolicyEngineJUnitImpl.java b/controlloop/common/eventmanager/src/main/java/org/onap/policy/drools/impl/PolicyEngineJUnitImpl.java index aed72815c..a20731aaf 100644 --- a/controlloop/common/eventmanager/src/main/java/org/onap/policy/drools/impl/PolicyEngineJUnitImpl.java +++ b/controlloop/common/eventmanager/src/main/java/org/onap/policy/drools/impl/PolicyEngineJUnitImpl.java @@ -20,8 +20,10 @@ package org.onap.policy.drools.impl; +import java.util.ArrayList; import java.util.HashMap; import java.util.LinkedList; +import java.util.List; import java.util.Map; import java.util.Queue; @@ -33,12 +35,36 @@ import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.onap.policy.drools.PolicyEngine; +import org.onap.policy.drools.PolicyEngineListener; public class PolicyEngineJUnitImpl implements PolicyEngine { private static final Logger logger = LoggerFactory.getLogger(PolicyEngineJUnitImpl.class); private Map<String, Map<String, Queue<Object>>> busMap = new HashMap<String, Map<String, Queue<Object>>>(); - + private List<PolicyEngineListener> listeners = new ArrayList<>(); + + /** + * Adds all objects that implement PolicyEngineListener + * to the notification list when an event occurs + * + * @param listener an object that is interest in knowing + * about events published to the PolicyEngine + */ + public void addListener(PolicyEngineListener listener) { + listeners.add(listener); + } + + /** + * Notifies all listeners about a new event + * @param topic the topic in which the notification + * was sent to + */ + public void notifyListeners(String topic) { + for (PolicyEngineListener listener: listeners) { + listener.newEventNotification(topic); + } + } + @Override public boolean deliver(String busType, String topic, Object obj) { if (obj instanceof ControlLoopNotification) { @@ -48,7 +74,7 @@ public class PolicyEngineJUnitImpl implements PolicyEngine { } if (obj instanceof Request) { Request request = (Request) obj; - logger.debug("Request: {} subrequst {}", request.Action, request.CommonHeader.SubRequestID); + logger.debug("Request: {} subrequest {}", request.Action, request.CommonHeader.SubRequestID); } else if (obj instanceof LCMRequestWrapper) { LCMRequestWrapper dmaapRequest = (LCMRequestWrapper) obj; @@ -82,7 +108,9 @@ public class PolicyEngineJUnitImpl implements PolicyEngine { // Get the topic queue // logger.debug("queueing"); - return topicMap.get(topic).add(obj); + boolean res = topicMap.get(topic).add(obj); + notifyListeners(topic); + return res; } public Object subscribe(String busType, String topic) { |