com.hazelcast.client.LifecycleServiceClientImpl Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2010, Hazel Ltd. 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.
*
*/
package com.hazelcast.client;
import com.hazelcast.core.LifecycleEvent;
import com.hazelcast.core.LifecycleEvent.LifecycleState;
import com.hazelcast.core.LifecycleListener;
import com.hazelcast.core.LifecycleService;
import com.hazelcast.logging.ILogger;
import com.hazelcast.logging.Logger;
import java.util.concurrent.Callable;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.logging.Level;
import static com.hazelcast.core.LifecycleEvent.LifecycleState.*;
public class LifecycleServiceClientImpl implements LifecycleService {
final static ILogger logger = Logger.getLogger(LifecycleServiceClientImpl.class.getName());
final AtomicBoolean paused = new AtomicBoolean(false);
final AtomicBoolean running = new AtomicBoolean(true);
final CopyOnWriteArrayList lsLifecycleListeners = new CopyOnWriteArrayList();
final Object lifecycleLock = new Object();
final HazelcastClient hazelcastClient;
public LifecycleServiceClientImpl(HazelcastClient hazelcastClient) {
this.hazelcastClient = hazelcastClient;
}
public void addLifecycleListener(LifecycleListener lifecycleListener) {
lsLifecycleListeners.add(lifecycleListener);
}
public void removeLifecycleListener(LifecycleListener lifecycleListener) {
lsLifecycleListeners.remove(lifecycleListener);
}
public void fireLifecycleEvent(LifecycleState lifecycleState) {
fireLifecycleEvent(new LifecycleEvent(lifecycleState));
}
public void fireLifecycleEvent(final LifecycleEvent event) {
logger.log(Level.INFO, "HazelcastClient is " + event.getState());
for (LifecycleListener lifecycleListener : lsLifecycleListeners) {
lifecycleListener.stateChanged(event);
}
}
public boolean resume() {
Callable callable = new Callable() {
public Boolean call() {
synchronized (lifecycleLock) {
if (paused.get()) {
fireLifecycleEvent(RESUMING);
} else {
return false;
}
paused.set(false);
fireLifecycleEvent(RESUMED);
return true;
}
}
};
return hazelcastClient.callAsyncAndWait(callable);
}
public boolean pause() {
Callable callable = new Callable() {
public Boolean call() {
synchronized (lifecycleLock) {
if (paused.get()) {
fireLifecycleEvent(PAUSING);
} else {
return false;
}
paused.set(false);
fireLifecycleEvent(PAUSED);
return true;
}
}
};
return hazelcastClient.callAsyncAndWait(callable);
}
public void shutdown() {
Callable callable = new Callable() {
public Boolean call() {
synchronized (lifecycleLock) {
long begin = System.currentTimeMillis();
fireLifecycleEvent(SHUTTING_DOWN);
hazelcastClient.doShutdown();
running.set(false);
long time = System.currentTimeMillis() - begin;
logger.log(Level.FINE, "HazelcastClient shutdown completed in " + time + " ms.");
fireLifecycleEvent(SHUTDOWN);
return true;
}
}
};
hazelcastClient.callAsyncAndWait(callable);
}
public void restart() {
throw new UnsupportedOperationException();
}
public boolean isRunning() {
return running.get();
}
}