com.espertech.esper.common.internal.epl.resultset.agggrouped

Class ResultSetProcessorAggregateGroupedIterator

java.lang.Object

com.espertech.esper.common.internal.epl.resultset.agggrouped.ResultSetProcessorAggregateGroupedIterator

All Implemented Interfaces:

Iterator<EventBean>

public class ResultSetProcessorAggregateGroupedIterator
extends Object
implements Iterator<EventBean>

Iterator for group-by with aggregation.

Constructor Summary

Constructors

Constructor and Description
ResultSetProcessorAggregateGroupedIterator(Iterator<EventBean> sourceIterator, ResultSetProcessorAggregateGrouped resultSetProcessor, AggregationService aggregationService, ExprEvaluatorContext exprEvaluatorContext) Ctor.

Method Summary

Modifier and Type	Method and Description
boolean	hasNext()
EventBean	next()
void	remove()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Iterator

forEachRemaining

Constructor Detail

ResultSetProcessorAggregateGroupedIterator

public ResultSetProcessorAggregateGroupedIterator(Iterator<EventBean> sourceIterator,
                                                  ResultSetProcessorAggregateGrouped resultSetProcessor,
                                                  AggregationService aggregationService,
                                                  ExprEvaluatorContext exprEvaluatorContext)

Ctor.

Parameters:

sourceIterator - is the parent iterator

resultSetProcessor - for constructing result rows

aggregationService - for pointing to the right aggregation row

exprEvaluatorContext - context for expression evalauation

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<EventBean>

next

public EventBean next()

Specified by:

next in interface Iterator<EventBean>

remove

public void remove()

Specified by:

remove in interface Iterator<EventBean>