1 files changed, 83 insertions, 0 deletions
diff --git a/appc-dispatcher/appc-dispatcher-common/execution-queue-management-lib/src/main/java/org/openecomp/appc/executionqueue/impl/ExecutionQueueServiceImpl.java b/appc-dispatcher/appc-dispatcher-common/execution-queue-management-lib/src/main/java/org/openecomp/appc/executionqueue/impl/ExecutionQueueServiceImpl.java
new file mode 100644
index 000000000..c2be1b4ac
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/execution-queue-management-lib/src/main/java/org/openecomp/appc/executionqueue/impl/ExecutionQueueServiceImpl.java
@@ -0,0 +1,83 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * 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.openecomp.appc.executionqueue.impl;
+
+import java.util.Calendar;
+import java.util.Date;
+import java.util.concurrent.TimeUnit;
+
+import org.openecomp.appc.exceptions.APPCException;
+import org.openecomp.appc.executionqueue.ExecutionQueueService;
+import org.openecomp.appc.executionqueue.MessageExpirationListener;
+import org.openecomp.appc.executionqueue.impl.object.QueueMessage;
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+
+public class ExecutionQueueServiceImpl<M extends Runnable> implements ExecutionQueueService<M> {
+
+    private static final EELFLogger logger =
+            EELFManager.getInstance().getLogger(ExecutionQueueServiceImpl.class);
+
+    ExecutionQueueServiceImpl(){
+
+    }
+
+    @Override
+    public void putMessage(M message) throws APPCException {
+         this.putMessage(message,-1,null);
+    }
+
+    @Override
+    public void putMessage(M message, long timeout, TimeUnit unit) throws APPCException{
+        QueueMessage queueMessage = null;
+
+        try {
+            Date expirationTime = calculateExpirationTime(timeout,unit);
+            queueMessage = new QueueMessage(message,expirationTime);
+            QueueManager queueManager = QueueManager.getInstance();
+            boolean enqueueTask = queueManager.enqueueTask(queueMessage);
+            if(!enqueueTask){
+                throw new APPCException("failed to put message in queue");
+            }
+        } catch (Exception e) {
+            logger.error("Error in putMessage method of ExecutionQueueServiceImpl" + e.getMessage());
+            throw new APPCException(e);
+        }
+    }
+
+    @Override
+    public void registerMessageExpirationListener(MessageExpirationListener listener) {
+        QueueManager.getInstance().setListener(listener);
+    }
+
+    private Date calculateExpirationTime(long timeToLive, TimeUnit unit) {
+        Date expirationTime = null;
+        if(timeToLive > 0){
+            long currentTime = System.currentTimeMillis();
+            Calendar cal = Calendar.getInstance();
+            cal.setTimeInMillis(currentTime + unit.toMillis(timeToLive));
+            expirationTime = cal.getTime();
+        }
+        return expirationTime;
+    }
+
+}