/* * Copyright (c) 2005-2014, WSO2 Inc. (http://www.wso2.org) All Rights Reserved. * * WSO2 Inc. licenses this file to you 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.wso2.carbon.mediation.clustering.osgi; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.osgi.framework.BundleContext; import org.osgi.framework.FrameworkUtil; import org.osgi.framework.ServiceReference; import org.wso2.carbon.utils.ConfigurationContextService; import com.hazelcast.core.HazelcastInstance; /** * * @scr.component name="esbclustering.agentservice" immediate="true" * @scr.reference name="config.context.service" * interface="org.wso2.carbon.utils.ConfigurationContextService" cardinality="1..1" * policy="dynamic" bind="setConfigurationContextService" unbind="unsetConfigurationContextService" * **/ public class ClusteringService { private static final Log log = LogFactory.getLog(ClusteringService.class); private static ConfigurationContextService configContextService; /** * * @param contextService */ protected void setConfigurationContextService(ConfigurationContextService contextService) { if (log.isDebugEnabled()) { log.debug("Setting Configuration Context Service [" + contextService + "]"); } configContextService = contextService; } /** * * @param contextService */ protected void unsetConfigurationContextService(ConfigurationContextService contextService) { if (log.isDebugEnabled()) { log.debug("Unsetting Configuration Context Service [" + contextService + "]"); } configContextService = null; } public static ConfigurationContextService getConfigurationContextService(){ return configContextService; } /** * * Get the hazelcast instance * * @return */ public static HazelcastInstance getHazelcastInstance() { BundleContext ctx = FrameworkUtil.getBundle(ClusteringService.class).getBundleContext(); ServiceReference ref = ctx.getServiceReference(HazelcastInstance.class); if (ref == null) { return null; } return (HazelcastInstance)ctx.getService(ref); } }