com.espertech.esper.epl.subquery
Class SubselectAggregationPreprocessorBase
java.lang.Object
com.espertech.esper.epl.subquery.SubselectAggregationPreprocessorBase
- Direct Known Subclasses:
- SubselectAggregationPreprocessorFilteredGrouped, SubselectAggregationPreprocessorFilteredUngrouped, SubselectAggregationPreprocessorUnfilteredGrouped, SubselectAggregationPreprocessorUnfilteredUngrouped
public abstract class SubselectAggregationPreprocessorBase
- extends java.lang.Object
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
aggregationService
protected final AggregationService aggregationService
filterExpr
protected final ExprEvaluator filterExpr
groupKeys
protected final ExprEvaluator[] groupKeys
SubselectAggregationPreprocessorBase
public SubselectAggregationPreprocessorBase(AggregationService aggregationService,
ExprEvaluator filterExpr,
ExprEvaluator[] groupKeys)
evaluate
public abstract void evaluate(EventBean[] eventsPerStream,
java.util.Collection<EventBean> matchingEvents,
ExprEvaluatorContext exprEvaluatorContext)
generateGroupKey
protected java.lang.Object generateGroupKey(EventBean[] eventsPerStream,
boolean isNewData,
ExprEvaluatorContext exprEvaluatorContext)