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-rw-r--r--controlloop/common/eventmanager/src/main/java/org/onap/policy/drools/PolicyEngineListener.java35
-rw-r--r--controlloop/common/eventmanager/src/main/java/org/onap/policy/drools/impl/PolicyEngineJUnitImpl.java34
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) {