com.espertech.esper.epl.core

Class SelectExprInsertEventBeanFactory.SelectExprInsertNativeWidening

java.lang.Object

com.espertech.esper.epl.core.SelectExprInsertEventBeanFactory.SelectExprInsertNativeBase

com.espertech.esper.epl.core.SelectExprInsertEventBeanFactory.SelectExprInsertNativeWidening

All Implemented Interfaces:

SelectExprProcessor

Enclosing class:

SelectExprInsertEventBeanFactory

public static class SelectExprInsertEventBeanFactory.SelectExprInsertNativeWidening
extends SelectExprInsertEventBeanFactory.SelectExprInsertNativeBase

Field Summary

Fields inherited from class com.espertech.esper.epl.core.SelectExprInsertEventBeanFactory.SelectExprInsertNativeBase

eventManufacturer, exprEvaluators

Constructor Summary

Constructors

Constructor and Description
SelectExprInsertNativeWidening(EventType eventType, EventBeanManufacturer eventManufacturer, ExprEvaluator[] exprEvaluators, TypeWidener[] wideners)

Method Summary

Modifier and Type	Method and Description
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.SelectExprInsertEventBeanFactory.SelectExprInsertNativeBase

getResultEventType

Methods inherited from class java.lang.Object

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

Constructor Detail

SelectExprInsertNativeWidening

public SelectExprInsertNativeWidening(EventType eventType,
                                      EventBeanManufacturer eventManufacturer,
                                      ExprEvaluator[] exprEvaluators,
                                      TypeWidener[] wideners)

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.

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

exprEvaluatorContext - context

Returns:

event with properties containing selected items