/*
***************************************************************************************
* 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.epl.view;
import com.espertech.esper.core.context.util.AgentInstanceContext;
public final class OutputConditionPolledTime implements OutputConditionPolled {
private final OutputConditionPolledTimeFactory factory;
private final AgentInstanceContext context;
private final OutputConditionPolledTimeState state;
public OutputConditionPolledTime(OutputConditionPolledTimeFactory factory, AgentInstanceContext context, OutputConditionPolledTimeState state) {
this.factory = factory;
this.context = context;
this.state = state;
}
public OutputConditionPolledState getState() {
return state;
}
public boolean updateOutputCondition(int newEventsCount, int oldEventsCount) {
// If we pull the interval from a variable, then we may need to reschedule
long msecIntervalSize = factory.getTimePeriod().nonconstEvaluator().deltaUseEngineTime(null, context);
long current = context.getTimeProvider().getTime();
if (state.getLastUpdate() == null || current - state.getLastUpdate() >= msecIntervalSize) {
state.setLastUpdate(current);
return true;
}
return false;
}
}