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/*-
* ============LICENSE_START=======================================================
* ONAP : APPC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Copyright (C) 2017 Amdocs
* =============================================================================
* 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.
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
* ============LICENSE_END=========================================================
*/
package org.onap.appc.executionqueue.impl;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import org.onap.appc.exceptions.APPCException;
import org.onap.appc.executionqueue.ExecutionQueueService;
import org.onap.appc.executionqueue.MessageExpirationListener;
import org.onap.appc.executionqueue.impl.object.QueueMessage;
import java.time.Instant;
import java.util.concurrent.TimeUnit;
public class ExecutionQueueServiceImpl<M extends Runnable> implements ExecutionQueueService<M> {
private static final EELFLogger logger =
EELFManager.getInstance().getLogger(ExecutionQueueServiceImpl.class);
private QueueManager queueManager;
public ExecutionQueueServiceImpl() {
//do nothing
}
/**
* Injected by blueprint
*
* @param queueManager queue manager to be set
*/
public void setQueueManager(QueueManager queueManager) {
this.queueManager = queueManager;
}
@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 {
Instant expirationTime = calculateExpirationTime(timeout, unit);
boolean enqueueTask = queueManager.enqueueTask(new QueueMessage<>(message, expirationTime));
if (!enqueueTask) {
logger.error("Error in putMessage method of ExecutionQueueServiceImpl");
throw new APPCException("Failed to put message in queue");
}
}
@Override
public void registerMessageExpirationListener(MessageExpirationListener listener) {
queueManager.setListener(listener);
}
private Instant calculateExpirationTime(long timeToLive, TimeUnit unit) {
if (timeToLive > 0 && unit != null) {
// as of Java 8, there is no built-in conversion method from
// TimeUnit to ChronoUnit; do it manually
return Instant.now().plusMillis(unit.toMillis(timeToLive));
} else {
// never expires
return Instant.MAX;
}
}
}
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