/**************************************************************************************
* Copyright (C) 2008 EsperTech, Inc. All rights reserved. *
* http://esper.codehaus.org *
* 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.epl.view;
import com.espertech.esper.core.context.util.AgentInstanceContext;
import com.espertech.esper.core.service.StatementContext;
import com.espertech.esper.core.service.StatementResultService;
import com.espertech.esper.epl.core.ResultSetProcessor;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Factory for output process view that does not enforce any output policies and may simply
* hand over events to child views, does not handle distinct.
*/
public class OutputProcessViewDirectFactory implements OutputProcessViewFactory
{
private static final Log log = LogFactory.getLog(OutputProcessViewDirectFactory.class);
private final StatementContext statementContext;
private final StatementResultService statementResultService;
protected final OutputStrategyPostProcessFactory postProcessFactory;
public OutputProcessViewDirectFactory(StatementContext statementContext, OutputStrategyPostProcessFactory postProcessFactory) {
this.statementContext = statementContext;
this.statementResultService = statementContext.getStatementResultService();
this.postProcessFactory = postProcessFactory;
}
public OutputProcessViewBase makeView(ResultSetProcessor resultSetProcessor, AgentInstanceContext agentInstanceContext) {
if (postProcessFactory == null) {
return new OutputProcessViewDirect(resultSetProcessor, this);
}
OutputStrategyPostProcess postProcess = postProcessFactory.make(agentInstanceContext);
return new OutputProcessViewDirectPostProcess(resultSetProcessor, this, postProcess);
}
public StatementResultService getStatementResultService() {
return statementResultService;
}
public StatementContext getStatementContext() {
return statementContext;
}
}