/*
***************************************************************************************
* Copyright (C) 2006 EsperTech, Inc. All rights reserved. *
* http://www.espertech.com/esper *
* http://www.espertech.com *
* ---------------------------------------------------------------------------------- *
* The software in this package is published under the terms of the GPL license *
* a copy of which has been included with this distribution in the license.txt file. *
***************************************************************************************
*/
package com.espertech.esper.core.service;
import com.espertech.esper.client.EventBean;
import com.espertech.esper.collection.UniformPair;
import com.espertech.esper.dispatch.DispatchService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Convenience view for dispatching view updates received from a parent view to update listeners
* via the dispatch service.
*/
public class UpdateDispatchViewNonBlocking extends UpdateDispatchViewBase {
/**
* Ctor.
*
* @param dispatchService - for performing the dispatch
* @param statementResultServiceImpl - handles result delivery
*/
public UpdateDispatchViewNonBlocking(StatementResultService statementResultServiceImpl, DispatchService dispatchService) {
super(statementResultServiceImpl, dispatchService);
}
public void update(EventBean[] newData, EventBean[] oldData) {
newResult(new UniformPair<EventBean[]>(newData, oldData));
}
public void newResult(UniformPair<EventBean[]> results) {
statementResultService.indicate(results);
if (!isDispatchWaiting.get()) {
dispatchService.addExternal(this);
isDispatchWaiting.set(true);
}
}
private static Logger log = LoggerFactory.getLogger(UpdateDispatchViewNonBlocking.class);
}