/* *************************************************************************************** * 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.join.exec.composite; import com.espertech.esper.client.EventBean; import com.espertech.esper.epl.expression.core.ExprEvaluator; import com.espertech.esper.epl.expression.core.ExprEvaluatorContext; import com.espertech.esper.event.EventBeanUtility; import java.util.*; public class CompositeAccessStrategyLE extends CompositeAccessStrategyRelOpBase implements CompositeAccessStrategy { public CompositeAccessStrategyLE(boolean isNWOnTrigger, int lookupStream, int numStreams, ExprEvaluator key, Class coercionType) { super(isNWOnTrigger, lookupStream, numStreams, key, coercionType); } public Set<EventBean> lookup(EventBean theEvent, Map parent, Set<EventBean> result, CompositeIndexQuery next, ExprEvaluatorContext context, ArrayList<Object> optionalKeyCollector, CompositeIndexQueryResultPostProcessor postProcessor) { TreeMap index = (TreeMap) parent; Object comparable = super.evaluateLookup(theEvent, context); if (optionalKeyCollector != null) { optionalKeyCollector.add(comparable); } if (comparable == null) { return null; } comparable = EventBeanUtility.coerce(comparable, coercionType); return CompositeIndexQueryRange.handle(theEvent, index.headMap(comparable, true), null, result, next, postProcessor); } public Collection<EventBean> lookup(EventBean[] eventPerStream, Map parent, Collection<EventBean> result, CompositeIndexQuery next, ExprEvaluatorContext context, ArrayList<Object> optionalKeyCollector, CompositeIndexQueryResultPostProcessor postProcessor) { TreeMap index = (TreeMap) parent; Object comparable = super.evaluatePerStream(eventPerStream, context); if (optionalKeyCollector != null) { optionalKeyCollector.add(comparable); } if (comparable == null) { return null; } comparable = EventBeanUtility.coerce(comparable, coercionType); return CompositeIndexQueryRange.handle(eventPerStream, index.headMap(comparable, true), null, result, next, postProcessor); } }