com.espertech.esper.epl.core

Class ResultSetProcessorRowPerGroupRollup

java.lang.Object

com.espertech.esper.epl.core.ResultSetProcessorRowPerGroupRollup

All Implemented Interfaces:

AggregationRowRemovedCallback, ResultSetProcessor, StopCallback

Direct Known Subclasses:

ResultSetProcessorRowPerGroupRollupUnbound

public class ResultSetProcessorRowPerGroupRollup
extends Object
implements ResultSetProcessor, AggregationRowRemovedCallback

Field Summary

Fields

Modifier and Type	Field and Description
protected AgentInstanceContext	agentInstanceContext
protected AggregationService	aggregationService
protected OrderByProcessor	orderByProcessor
protected ResultSetProcessorRowPerGroupRollupFactory	prototype

Constructor Summary

Constructors

Constructor and Description
ResultSetProcessorRowPerGroupRollup(ResultSetProcessorRowPerGroupRollupFactory prototype, OrderByProcessor orderByProcessor, AggregationService aggregationService, AgentInstanceContext agentInstanceContext)

Method Summary

Modifier and Type	Method and Description
void	acceptHelperVisitor(ResultSetProcessorOutputHelperVisitor visitor)
void	applyJoinResult(Set<MultiKey<EventBean>> newEvents, Set<MultiKey<EventBean>> oldEvents)
void	applyViewResult(EventBean[] newData, EventBean[] oldData)
void	clear() Clear out current state.
UniformPair<EventBean[]>	continueOutputLimitedLastAllNonBufferedJoin(boolean isSynthesize, boolean isAll)
UniformPair<EventBean[]>	continueOutputLimitedLastAllNonBufferedView(boolean isSynthesize, boolean isAll)
Object	generateGroupKey(EventBean[] eventsPerStream, boolean isNewData)
protected Object[][]	generateGroupKeysView(EventBean[] events, Map<Object,EventBean>[] eventPerKey, boolean isNewData)
void	generateOutputBatched(boolean join, Object mk, AggregationGroupByRollupLevel level, EventBean[] eventsPerStream, boolean isNewData, boolean isSynthesize, List<EventBean> resultEvents, List<Object> optSortKeys)
void	generateOutputBatchedMapUnsorted(boolean join, Object mk, AggregationGroupByRollupLevel level, EventBean[] eventsPerStream, boolean isNewData, boolean isSynthesize, Map<Object,EventBean> resultEvents)
protected EventBean[]	generateOutputEventsView(Map<Object,EventBean>[] keysAndEvents, boolean isNewData, boolean isSynthesize)
AggregationService	getAggregationService()
Iterator<EventBean>	getIterator(Set<MultiKey<EventBean>> joinSet) Returns the iterator for iterating over a join-result.
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.
EventType	getResultEventType() Returns the event type of processed results.
boolean	hasAggregation()
UniformPair<EventBean[]>	processJoinResult(Set<MultiKey<EventBean>> newEvents, Set<MultiKey<EventBean>> oldEvents, boolean isSynthesize) For use by joins posting their result, process the event rows that are entered and removed (new and old events).
UniformPair<EventBean[]>	processOutputLimitedJoin(List<UniformPair<Set<MultiKey<EventBean>>>> joinEventsSet, boolean generateSynthetic, OutputLimitLimitType outputLimitLimitType) Processes batched events in case of output-rate limiting.
void	processOutputLimitedLastAllNonBufferedJoin(Set<MultiKey<EventBean>> newEvents, Set<MultiKey<EventBean>> oldEvents, boolean isGenerateSynthetic, boolean isAll)
void	processOutputLimitedLastAllNonBufferedView(EventBean[] newData, EventBean[] oldData, boolean isGenerateSynthetic, boolean isAll)
UniformPair<EventBean[]>	processOutputLimitedView(List<UniformPair<EventBean[]>> viewEventsList, boolean generateSynthetic, OutputLimitLimitType outputLimitLimitType) Processes batched events in case of output-rate limiting.
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	removed(Object key)
void	setAgentInstanceContext(AgentInstanceContext agentInstanceContext)
void	stop() Stops the underlying resources.

Methods inherited from class java.lang.Object

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

Field Detail

prototype

protected final ResultSetProcessorRowPerGroupRollupFactory prototype

orderByProcessor

protected final OrderByProcessor orderByProcessor

aggregationService

protected final AggregationService aggregationService

agentInstanceContext

protected AgentInstanceContext agentInstanceContext

Constructor Detail

ResultSetProcessorRowPerGroupRollup

public ResultSetProcessorRowPerGroupRollup(ResultSetProcessorRowPerGroupRollupFactory prototype,
                                           OrderByProcessor orderByProcessor,
                                           AggregationService aggregationService,
                                           AgentInstanceContext agentInstanceContext)

Method Detail

setAgentInstanceContext

public void setAgentInstanceContext(AgentInstanceContext agentInstanceContext)

Specified by:

setAgentInstanceContext in interface ResultSetProcessor

getAggregationService

public AggregationService getAggregationService()

getResultEventType

public EventType getResultEventType()

Description copied from interface: ResultSetProcessor

Returns the event type of processed results.

Specified by:

getResultEventType in interface ResultSetProcessor

Returns:

event type of the resulting events posted by the processor.

processJoinResult

public UniformPair<EventBean[]> processJoinResult(Set<MultiKey<EventBean>> newEvents,
                                                  Set<MultiKey<EventBean>> oldEvents,
                                                  boolean isSynthesize)

Description copied from interface: ResultSetProcessor

For use by joins 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:

processJoinResult in interface ResultSetProcessor

Parameters:

newEvents - - new events posted by join

oldEvents - - old events posted by join

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

Returns:

pair of new events and old events

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

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

generateOutputEventsView

protected EventBean[] generateOutputEventsView(Map<Object,EventBean>[] keysAndEvents,
                                               boolean isNewData,
                                               boolean isSynthesize)

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

Parameters:

parent - is the parent view iterator

Returns:

event iterator

getIterator

public Iterator<EventBean> getIterator(Set<MultiKey<EventBean>> joinSet)

Description copied from interface: ResultSetProcessor

Returns the iterator for iterating over a join-result.

Specified by:

getIterator in interface ResultSetProcessor

Parameters:

joinSet - is the join result set

Returns:

iterator over join results

clear

public void clear()

Description copied from interface: ResultSetProcessor

Clear out current state.

Specified by:

clear in interface ResultSetProcessor

processOutputLimitedJoin

public UniformPair<EventBean[]> processOutputLimitedJoin(List<UniformPair<Set<MultiKey<EventBean>>>> joinEventsSet,
                                                         boolean generateSynthetic,
                                                         OutputLimitLimitType outputLimitLimitType)

Description copied from interface: ResultSetProcessor

Processes batched events in case of output-rate limiting.

Specified by:

processOutputLimitedJoin in interface ResultSetProcessor

Parameters:

joinEventsSet - the join results

generateSynthetic - flag to indicate whether synthetic events must be generated

outputLimitLimitType - the type of output rate limiting

Returns:

results for dispatch

processOutputLimitedView

public UniformPair<EventBean[]> processOutputLimitedView(List<UniformPair<EventBean[]>> viewEventsList,
                                                         boolean generateSynthetic,
                                                         OutputLimitLimitType outputLimitLimitType)

Description copied from interface: ResultSetProcessor

Processes batched events in case of output-rate limiting.

Specified by:

processOutputLimitedView in interface ResultSetProcessor

Parameters:

viewEventsList - the view results

generateSynthetic - flag to indicate whether synthetic events must be generated

outputLimitLimitType - the type of output rate limiting

Returns:

results for dispatch

acceptHelperVisitor

public void acceptHelperVisitor(ResultSetProcessorOutputHelperVisitor visitor)

Specified by:

acceptHelperVisitor in interface ResultSetProcessor

hasAggregation

public boolean hasAggregation()

Specified by:

hasAggregation in interface ResultSetProcessor

removed

public void removed(Object key)

Specified by:

removed in interface AggregationRowRemovedCallback

generateGroupKey

public Object generateGroupKey(EventBean[] eventsPerStream,
                               boolean isNewData)

generateOutputBatched

public void generateOutputBatched(boolean join,
                                  Object mk,
                                  AggregationGroupByRollupLevel level,
                                  EventBean[] eventsPerStream,
                                  boolean isNewData,
                                  boolean isSynthesize,
                                  List<EventBean> resultEvents,
                                  List<Object> optSortKeys)

generateOutputBatchedMapUnsorted

public void generateOutputBatchedMapUnsorted(boolean join,
                                             Object mk,
                                             AggregationGroupByRollupLevel level,
                                             EventBean[] eventsPerStream,
                                             boolean isNewData,
                                             boolean isSynthesize,
                                             Map<Object,EventBean> resultEvents)

generateGroupKeysView

protected Object[][] generateGroupKeysView(EventBean[] events,
                                           Map<Object,EventBean>[] eventPerKey,
                                           boolean isNewData)

applyViewResult

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

Specified by:

applyViewResult in interface ResultSetProcessor

applyJoinResult

public void applyJoinResult(Set<MultiKey<EventBean>> newEvents,
                            Set<MultiKey<EventBean>> oldEvents)

Specified by:

applyJoinResult in interface ResultSetProcessor

processOutputLimitedLastAllNonBufferedView

public void processOutputLimitedLastAllNonBufferedView(EventBean[] newData,
                                                       EventBean[] oldData,
                                                       boolean isGenerateSynthetic,
                                                       boolean isAll)

Specified by:

processOutputLimitedLastAllNonBufferedView in interface ResultSetProcessor

processOutputLimitedLastAllNonBufferedJoin

public void processOutputLimitedLastAllNonBufferedJoin(Set<MultiKey<EventBean>> newEvents,
                                                       Set<MultiKey<EventBean>> oldEvents,
                                                       boolean isGenerateSynthetic,
                                                       boolean isAll)

Specified by:

processOutputLimitedLastAllNonBufferedJoin in interface ResultSetProcessor

continueOutputLimitedLastAllNonBufferedView

public UniformPair<EventBean[]> continueOutputLimitedLastAllNonBufferedView(boolean isSynthesize,
                                                                            boolean isAll)

Specified by:

continueOutputLimitedLastAllNonBufferedView in interface ResultSetProcessor

continueOutputLimitedLastAllNonBufferedJoin

public UniformPair<EventBean[]> continueOutputLimitedLastAllNonBufferedJoin(boolean isSynthesize,
                                                                            boolean isAll)

Specified by:

continueOutputLimitedLastAllNonBufferedJoin in interface ResultSetProcessor

stop

public void stop()

Description copied from interface: StopCallback

Stops the underlying resources.

Specified by:

stop in interface StopCallback