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/*-
* ============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;
}
}
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