com.espertech.esper.epl.core.eval
Class EvalInsertWildcardJoinRevision

java.lang.Object
  com.espertech.esper.epl.core.eval.EvalBase
      com.espertech.esper.epl.core.eval.EvalInsertWildcardJoinRevision

All Implemented Interfaces:

SelectExprProcessor

public class EvalInsertWildcardJoinRevision
extends EvalBase
implements SelectExprProcessor

Field Summary

Fields inherited from class com.espertech.esper.epl.core.eval.EvalBase

resultEventType, selectExprContext

Constructor Summary

EvalInsertWildcardJoinRevision(SelectExprContext selectExprContext, EventType resultEventType, SelectExprProcessor joinWildcardProcessor, ValueAddEventProcessor vaeProcessor)

Method Summary

EventBean

process(EventBean[] eventsPerStream, boolean isNewData, boolean isSynthesize, ExprEvaluatorContext exprEvaluatorContext) Computes the select-clause results and returns an event of the result event type that contains, in it's properties, the selected items.

Methods inherited from class com.espertech.esper.epl.core.eval.EvalBase

getEventAdapterService, getExprNodes, getResultEventType

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.core.SelectExprProcessor

getResultEventType

Constructor Detail

EvalInsertWildcardJoinRevision

public EvalInsertWildcardJoinRevision(SelectExprContext selectExprContext,
                                      EventType resultEventType,
                                      SelectExprProcessor joinWildcardProcessor,
                                      ValueAddEventProcessor vaeProcessor)

Method Detail

process

public EventBean process(EventBean[] eventsPerStream,
                         boolean isNewData,
                         boolean isSynthesize,
                         ExprEvaluatorContext exprEvaluatorContext)

Description copied from interface: SelectExprProcessor

Computes the select-clause results and returns an event of the result event type that contains, in it's properties, the selected items.

Specified by:

process in interface SelectExprProcessor

Parameters:

eventsPerStream - - is per stream the event

isNewData - - indicates whether we are dealing with new data (istream) or old data (rstream)

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

Returns:

event with properties containing selected items