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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.client.impl.core;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import java.util.List;
import java.util.concurrent.*;
class TimerServiceImpl implements ITimerService {
private final EELFLogger LOG = EELFManager.getInstance().getLogger(TimerServiceImpl.class);
private final ScheduledExecutorService scheduler = Executors.newSingleThreadScheduledExecutor();
private final ConcurrentHashMap<String, Future> timeOutEvents = new ConcurrentHashMap<>();
private final long responseTimeout;
TimerServiceImpl(long responseTimeout) {
this.responseTimeout = responseTimeout;
}
@Override
public synchronized void cancel(String correlationID) {
Future timeOutEvent = timeOutEvents.remove(correlationID);
if (timeOutEvent != null){
timeOutEvent.cancel(true);
}
}
@Override
public synchronized void add(String correlationID, ITimeoutHandler handler) {
Future timeOutEvent = scheduler.schedule(new HandleTimeout(correlationID, handler), responseTimeout, TimeUnit.MILLISECONDS);
timeOutEvents.put(correlationID, timeOutEvent);
}
@Override
public void shutdown() {
List<Runnable> listTask = scheduler.shutdownNow();
LOG.info("the amount of tasks that never commenced execution " + listTask.size());
}
private class HandleTimeout implements Runnable {
String correlationID;
ITimeoutHandler handler;
HandleTimeout(String correlationID, ITimeoutHandler handler) {
this.correlationID = correlationID;
this.handler = handler;
}
@Override
public void run(){
System.out.println("Timeout event of request " + correlationID);
handler.onTimeout();
timeOutEvents.remove(correlationID);
}
}
}
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