SingleClusterMasterExecutor.java

/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.portal.cluster.single.internal;

import com.liferay.portal.kernel.cluster.ClusterMasterExecutor;
import com.liferay.portal.kernel.cluster.ClusterMasterTokenTransitionListener;
import com.liferay.portal.kernel.concurrent.NoticeableFuture;
import com.liferay.portal.kernel.util.MethodHandler;

import org.osgi.service.component.annotations.Component;

/**
 * @author Michael C. Han
 */
@Component(
	enabled = false, immediate = true, service = ClusterMasterExecutor.class
)
public class SingleClusterMasterExecutor implements ClusterMasterExecutor {

	@Override
	public void addClusterMasterTokenTransitionListener(
		ClusterMasterTokenTransitionListener
			clusterMasterTokenTransitionListener) {
	}

	@Override
	public <T> NoticeableFuture<T> executeOnMaster(
		MethodHandler methodHandler) {

		return null;
	}

	@Override
	public boolean isEnabled() {
		return false;
	}

	@Override
	public boolean isMaster() {
		return true;
	}

	@Override
	public void removeClusterMasterTokenTransitionListener(
		ClusterMasterTokenTransitionListener
			clusterMasterTokenTransitionListener) {
	}

}