/* * 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.synapse.ManagedLifecycle; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; /** * This class provides Generic Task implementation for one time trigger Inbound Endpoint Tasks */ public abstract class OneTimeTriggerInboundTask implements org.apache.synapse.task.Task, ManagedLifecycle { private static final Log logger = LogFactory.getLog(InboundTask.class.getName()); private boolean isOneTimeTriggered = false; private OneTimeTriggerAbstractCallback callback; public void execute() { //this check is there to synchronize task cycle round hit and connection lost reconnection //introduced due to task switches between multiple worker nodes, if connection lost happens //reconnection only happens if task is scheduled for that node at that given time if (callback != null && callback.isCallbackSuspended()) { callback.releaseCallbackSuspension(); } if (!isOneTimeTriggered) { isOneTimeTriggered = true; if (logger.isDebugEnabled()) { logger.debug("Common One time trigger Inbound Task executing."); } taskExecute(); } else { return; } } public void setCallback(OneTimeTriggerAbstractCallback callback) { this.callback = callback; } public OneTimeTriggerAbstractCallback getCallback() { return callback; } protected abstract void taskExecute(); }