com.espertech.esper.epl.table.strategy
Class ExprTableEvalStrategyGroupByMethodBase

java.lang.Object
  com.espertech.esper.epl.table.strategy.ExprTableEvalStrategyGroupByBase
      com.espertech.esper.epl.table.strategy.ExprTableEvalStrategyGroupByMethodBase

All Implemented Interfaces:

ExprTableAccessEvalStrategy

Direct Known Subclasses:

ExprTableEvalStrategyGroupByMethodMulti, ExprTableEvalStrategyGroupByMethodSingle

public abstract class ExprTableEvalStrategyGroupByMethodBase
extends ExprTableEvalStrategyGroupByBase
implements ExprTableAccessEvalStrategy

Field Summary

Fields inherited from class com.espertech.esper.epl.table.strategy.ExprTableEvalStrategyGroupByBase

aggregationState

Constructor Summary

protected

ExprTableEvalStrategyGroupByMethodBase(java.util.concurrent.locks.Lock lock, java.util.Map<java.lang.Object,ObjectArrayBackedEventBean> aggregationState, int index)

Method Summary

EventBean	evaluateGetEventBean(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
java.util.Collection<EventBean>	evaluateGetROCollectionEvents(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
java.util.Collection	evaluateGetROCollectionScalar(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
protected java.lang.Object	evaluateInternal(java.lang.Object groupKey, ExprEvaluatorContext context)
java.lang.Object[]	evaluateTypableSingle(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)

Methods inherited from class com.espertech.esper.epl.table.strategy.ExprTableEvalStrategyGroupByBase

lockTableRead, lockTableReadAndGet

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.expression.table.ExprTableAccessEvalStrategy

evaluate

Constructor Detail

ExprTableEvalStrategyGroupByMethodBase

protected ExprTableEvalStrategyGroupByMethodBase(java.util.concurrent.locks.Lock lock,
                                                 java.util.Map<java.lang.Object,ObjectArrayBackedEventBean> aggregationState,
                                                 int index)

Method Detail

evaluateInternal

protected java.lang.Object evaluateInternal(java.lang.Object groupKey,
                                            ExprEvaluatorContext context)

evaluateTypableSingle

public java.lang.Object[] evaluateTypableSingle(EventBean[] eventsPerStream,
                                                boolean isNewData,
                                                ExprEvaluatorContext context)

Specified by:

evaluateTypableSingle in interface ExprTableAccessEvalStrategy

evaluateGetROCollectionEvents

public java.util.Collection<EventBean> evaluateGetROCollectionEvents(EventBean[] eventsPerStream,
                                                                     boolean isNewData,
                                                                     ExprEvaluatorContext context)

Specified by:

evaluateGetROCollectionEvents in interface ExprTableAccessEvalStrategy

evaluateGetEventBean

public EventBean evaluateGetEventBean(EventBean[] eventsPerStream,
                                      boolean isNewData,
                                      ExprEvaluatorContext context)

Specified by:

evaluateGetEventBean in interface ExprTableAccessEvalStrategy

evaluateGetROCollectionScalar

public java.util.Collection evaluateGetROCollectionScalar(EventBean[] eventsPerStream,
                                                          boolean isNewData,
                                                          ExprEvaluatorContext context)

Specified by:

evaluateGetROCollectionScalar in interface ExprTableAccessEvalStrategy