2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Copyright (C) 2017 Amdocs
8 * =============================================================================
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
21 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
22 * ============LICENSE_END=========================================================
25 package org.openecomp.appc.executionqueue.impl;
27 import java.time.Instant;
28 import java.util.Calendar;
29 import java.util.Date;
30 import java.util.concurrent.TimeUnit;
32 import org.openecomp.appc.exceptions.APPCException;
33 import org.openecomp.appc.executionqueue.ExecutionQueueService;
34 import org.openecomp.appc.executionqueue.MessageExpirationListener;
35 import org.openecomp.appc.executionqueue.impl.object.QueueMessage;
37 import com.att.eelf.configuration.EELFLogger;
38 import com.att.eelf.configuration.EELFManager;
40 public class ExecutionQueueServiceImpl<M extends Runnable> implements ExecutionQueueService<M> {
42 private static final EELFLogger logger =
43 EELFManager.getInstance().getLogger(ExecutionQueueServiceImpl.class);
45 ExecutionQueueServiceImpl(){
50 public void putMessage(M message) throws APPCException {
51 this.putMessage(message,-1,null);
55 public void putMessage(M message, long timeout, TimeUnit unit) throws APPCException{
57 Instant expirationTime = calculateExpirationTime(timeout,unit);
58 QueueManager queueManager = QueueManager.getInstance();
59 boolean enqueueTask = queueManager.enqueueTask(new QueueMessage<M>(message,expirationTime));
61 throw new APPCException("failed to put message in queue");
63 } catch (Exception e) {
64 logger.error("Error in putMessage method of ExecutionQueueServiceImpl" + e.getMessage());
65 throw new APPCException(e);
70 public void registerMessageExpirationListener(MessageExpirationListener listener) {
71 QueueManager.getInstance().setListener(listener);
74 private Instant calculateExpirationTime(long timeToLive, TimeUnit unit) {
75 if (timeToLive > 0 && unit != null) {
76 // as of Java 8, there is no built-in conversion method from
77 // TimeUnit to ChronoUnit; do it manually
78 return Instant.now().plusMillis(unit.toMillis(timeToLive));