package com.espertech.esper.epl.join.exec.composite;
import com.espertech.esper.client.EventBean;
import com.espertech.esper.epl.expression.ExprEvaluator;
import com.espertech.esper.epl.expression.ExprEvaluatorContext;
import com.espertech.esper.event.EventBeanUtility;
import java.util.Collection;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
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 event, Map parent, Set<EventBean> result, CompositeIndexQuery next, ExprEvaluatorContext context) {
TreeMap index = (TreeMap) parent;
Object comparable = super.evaluateLookup(event, context);
if (comparable == null) {
return null;
}
comparable = EventBeanUtility.coerce(comparable, coercionType);
return CompositeIndexQueryRange.handle(event, index.headMap(comparable, true), null, result, next);
}
public Collection<EventBean> lookup(EventBean[] eventPerStream, Map parent, Collection<EventBean> result, CompositeIndexQuery next, ExprEvaluatorContext context) {
TreeMap index = (TreeMap) parent;
Object comparable = super.evaluatePerStream(eventPerStream, context);
if (comparable == null) {
return null;
}
comparable = EventBeanUtility.coerce(comparable, coercionType);
return CompositeIndexQueryRange.handle(eventPerStream, index.headMap(comparable, true), null, result, next);
}
}