Package com.espertech.esper.common.internal.epl.resultset.rowpergroup

Class ResultSetProcessorRowPerGroupIterator

java.lang.Object

com.espertech.esper.common.internal.epl.resultset.rowpergroup.ResultSetProcessorRowPerGroupIterator

All Implemented Interfaces:

Iterator<EventBean>

public class ResultSetProcessorRowPerGroupIterator
extends Object
implements Iterator<EventBean>

Iterator for the group-by case with a row per group.

Field Summary

Fields

Modifier and Type	Field	Description
static final EPTypeClass	EPTYPE

Constructor Summary

Constructors

Constructor	Description
ResultSetProcessorRowPerGroupIterator(Iterator<EventBean> sourceIterator, ResultSetProcessorRowPerGroup resultSetProcessor, AggregationService aggregationService, ExprEvaluatorContext exprEvaluatorContext)	Ctor.

Method Summary

Modifier and Type	Method	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

Field Details

EPTYPE

public static final EPTypeClass EPTYPE

Constructor Details

ResultSetProcessorRowPerGroupIterator

public ResultSetProcessorRowPerGroupIterator(Iterator<EventBean> sourceIterator,
 ResultSetProcessorRowPerGroup resultSetProcessor,
 AggregationService aggregationService,
 ExprEvaluatorContext exprEvaluatorContext)

Ctor.

Parameters:

sourceIterator - is the parent view iterator

resultSetProcessor - for providing results

aggregationService - for pointing to the right aggregation row

exprEvaluatorContext - context for expression evalauation

Method Details

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>