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