/* * Copyright (c) 2015, 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.inbound.endpoint.common; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.wso2.carbon.mediation.clustering.ClusteringAgentUtil; import org.wso2.carbon.utils.CarbonUtils; /** * OnetimeTriggerInboundRunner class is used to run the non coordinated processors in * background. This Runner is only active for one task execution iteration ( One time trigger ) */ public class OneTimeTriggerInboundRunner implements Runnable { private OneTimeTriggerInboundTask task; private volatile boolean execute = true; private volatile boolean init = false; private String tenantDomain; private static final long CLUSTER_CONFIGURATION_CHECK_INTERVAL = 1000; private static final Log log = LogFactory.getLog(OneTimeTriggerInboundRunner.class); public OneTimeTriggerInboundRunner(OneTimeTriggerInboundTask task, String tenantDomain) { this.task = task; this.tenantDomain = tenantDomain; } @Override public void run() { if (log.isDebugEnabled()) { log.debug("Starting the Inbound Endpoint."); } // Wait for the clustering configuration to be loaded. while (!init) { if (log.isDebugEnabled()) { log.debug("Waiting for the configuration context to be loaded to run Inbound Endpoint."); } Boolean isSinglNode = ClusteringAgentUtil.isSingleNode(); if (isSinglNode != null) { if (!isSinglNode && !CarbonUtils.isWorkerNode()) { // Given node is the manager in the cluster, and not // required to run the service execute = false; log.info("Inbound Endpoint will not run in manager node. Same will run on worker(s)."); } init = true; } try { Thread.sleep(CLUSTER_CONFIGURATION_CHECK_INTERVAL); } catch (InterruptedException e) { if (log.isDebugEnabled()) { log.debug("Unable to sleep the Inbound thread for interval of : " + CLUSTER_CONFIGURATION_CHECK_INTERVAL + "ms."); } } } if (log.isDebugEnabled()) { log.debug("Configuration context loaded. Ready to Run the Inbound Endpoint."); } if (log.isDebugEnabled()) { log.debug("Executing One-Time trigger connection consumer task in Inbound Endpoint."); } try { if (execute) { task.taskExecute(); } } catch (Exception e) { log.error("Error executing the Inbound Endpoint once time execution", e); } if (log.isDebugEnabled()) { log.debug("Exiting the Inbound Endpoint."); } } }