/*
***************************************************************************************
* 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.context.mgr;
import com.espertech.esper.client.EventBean;
import com.espertech.esper.client.SafeIterator;
import com.espertech.esper.core.context.util.AgentInstanceContext;
import com.espertech.esper.core.service.StatementAgentInstanceLock;
public class AgentInstanceArraySafeIterator extends AgentInstanceArrayIterator implements SafeIterator<EventBean> {
public AgentInstanceArraySafeIterator(AgentInstance[] instances) {
super(instances);
for (AgentInstance instance : instances) {
StatementAgentInstanceLock instanceLock = instance.getAgentInstanceContext().getEpStatementAgentInstanceHandle().getStatementAgentInstanceLock();
instanceLock.acquireWriteLock();
}
}
public void close() {
for (AgentInstance instance : instances) {
AgentInstanceContext agentInstanceContext = instance.getAgentInstanceContext();
StatementAgentInstanceLock instanceLock = agentInstanceContext.getEpStatementAgentInstanceHandle().getStatementAgentInstanceLock();
if (agentInstanceContext.getStatementContext().getEpStatementHandle().isHasTableAccess()) {
agentInstanceContext.getTableExprEvaluatorContext().releaseAcquiredLocks();
}
instanceLock.releaseWriteLock();
}
}
}