/*
* 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();
}