com.espertech.esper.epl.core

Class ResultSetProcessorRowPerGroupUnbound

java.lang.Object

com.espertech.esper.epl.core.ResultSetProcessorRowPerGroup

com.espertech.esper.epl.core.ResultSetProcessorRowPerGroupUnbound

All Implemented Interfaces:

AggregationRowRemovedCallback, ResultSetProcessor, StopCallback

public class ResultSetProcessorRowPerGroupUnbound
extends ResultSetProcessorRowPerGroup
implements AggregationRowRemovedCallback

Field Summary

Fields

Modifier and Type	Field and Description
protected ResultSetProcessorRowPerGroupUnboundGroupRep	groupReps

Fields inherited from class com.espertech.esper.epl.core.ResultSetProcessorRowPerGroup

agentInstanceContext, aggregationService, orderByProcessor, outputAllGroupReps, prototype, selectExprProcessor

Constructor Summary

Constructors

Constructor and Description
ResultSetProcessorRowPerGroupUnbound(ResultSetProcessorRowPerGroupFactory prototype, SelectExprProcessor selectExprProcessor, OrderByProcessor orderByProcessor, AggregationService aggregationService, AgentInstanceContext agentInstanceContext)

Method Summary

Modifier and Type	Method and Description
void	applyViewResult(EventBean[] newData, EventBean[] oldData)
Iterator<EventBean>	getIterator(Viewable parent) Returns the iterator implementing the group-by and aggregation and order-by logic specific to each case of use of these construct.
UniformPair<EventBean[]>	processViewResult(EventBean[] newData, EventBean[] oldData, boolean isSynthesize) For use by views posting their result, process the event rows that are entered and removed (new and old events).
void	stop() Stops the underlying resources.

Methods inherited from class com.espertech.esper.epl.core.ResultSetProcessorRowPerGroup

acceptHelperVisitor, applyJoinResult, clear, continueOutputLimitedLastAllNonBufferedJoin, continueOutputLimitedLastAllNonBufferedView, generateGroupKey, generateGroupKeys, generateOutputBatchedArr, generateOutputBatchedNoSortWMap, generateOutputEventsView, getAggregationService, getIterator, getIteratorSorted, getOptionalHavingNode, getResultEventType, getSelectExprProcessor, hasAggregation, obtainIterator, processJoinResult, processOutputLimitedJoin, processOutputLimitedLastAllNonBufferedJoin, processOutputLimitedLastAllNonBufferedView, processOutputLimitedView, removed, setAgentInstanceContext

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.espertech.esper.epl.agg.service.AggregationRowRemovedCallback

removed

Field Detail

groupReps

protected final ResultSetProcessorRowPerGroupUnboundGroupRep groupReps

Constructor Detail

ResultSetProcessorRowPerGroupUnbound

public ResultSetProcessorRowPerGroupUnbound(ResultSetProcessorRowPerGroupFactory prototype,
                                            SelectExprProcessor selectExprProcessor,
                                            OrderByProcessor orderByProcessor,
                                            AggregationService aggregationService,
                                            AgentInstanceContext agentInstanceContext)

Method Detail

applyViewResult

public void applyViewResult(EventBean[] newData,
                            EventBean[] oldData)

Specified by:

applyViewResult in interface ResultSetProcessor

Overrides:

applyViewResult in class ResultSetProcessorRowPerGroup

processViewResult

public UniformPair<EventBean[]> processViewResult(EventBean[] newData,
                                                  EventBean[] oldData,
                                                  boolean isSynthesize)

Description copied from interface: ResultSetProcessor

For use by views posting their result, process the event rows that are entered and removed (new and old events). Processes according to select-clauses, group-by clauses and having-clauses and returns new events and old events as specified.

Specified by:

processViewResult in interface ResultSetProcessor

Overrides:

processViewResult in class ResultSetProcessorRowPerGroup

Parameters:

newData - - new events posted by view

oldData - - old events posted by view

isSynthesize - - set to true to indicate that synthetic events are required for an iterator result set

Returns:

pair of new events and old events

getIterator

public Iterator<EventBean> getIterator(Viewable parent)

Description copied from interface: ResultSetProcessor

Returns the iterator implementing the group-by and aggregation and order-by logic specific to each case of use of these construct.

Specified by:

getIterator in interface ResultSetProcessor

Overrides:

getIterator in class ResultSetProcessorRowPerGroup

Parameters:

parent - is the parent view iterator

Returns:

event iterator

stop

public void stop()

Description copied from interface: StopCallback

Stops the underlying resources.

Specified by:

stop in interface StopCallback

Overrides:

stop in class ResultSetProcessorRowPerGroup