org.usergrid.clustering.hazelcast.HazelcastLifecycleMonitor Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of usergrid-core Show documentation

Core services for Usergrid system.

There is a newer version: 0.0.27.1

/*******************************************************************************
 * Copyright 2012 Apigee Corporation
 * 
 * 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 org.usergrid.clustering.hazelcast;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.hazelcast.core.Hazelcast;
import com.hazelcast.core.Instance;
import com.hazelcast.core.InstanceEvent;
import com.hazelcast.core.InstanceListener;
import com.hazelcast.core.MembershipEvent;
import com.hazelcast.core.MembershipListener;

public class HazelcastLifecycleMonitor implements InstanceListener,
		MembershipListener {

	private static final Logger logger = LoggerFactory
			.getLogger(HazelcastLifecycleMonitor.class);

	public HazelcastLifecycleMonitor() {
	}

	public void init() {
		logger.info("HazelcastLifecycleMonitor initializing...");
		Hazelcast.addInstanceListener(this);
		Hazelcast.getCluster().addMembershipListener(this);
		logger.info("HazelcastLifecycleMonitor initialized");
	}

	public void destroy() {
		logger.info("Shutting down Hazelcast");
		Hazelcast.shutdownAll();
		logger.info("Hazelcast shutdown");
	}

	@Override
	public void instanceCreated(InstanceEvent event) {
		Instance instance = event.getInstance();
		logger.info("Created instance ID: [" + instance.getId() + "] Type: ["
				+ instance.getInstanceType() + "]");
	}

	@Override
	public void instanceDestroyed(InstanceEvent event) {
		Instance instance = event.getInstance();
		logger.info("Destroyed isntance ID: [" + instance.getId() + "] Type: ["
				+ instance.getInstanceType() + "]");

	}

	@Override
	public void memberAdded(MembershipEvent membersipEvent) {
		logger.info("MemberAdded " + membersipEvent);
	}

	@Override
	public void memberRemoved(MembershipEvent membersipEvent) {
		logger.info("MemberRemoved " + membersipEvent);
	}

}