com.espertech.esper.epl.core.select

Class SelectExprInsertEventBeanFactory.SelectExprInsertNativeExpressionCoerceMap

java.lang.Object

com.espertech.esper.epl.core.select.SelectExprInsertEventBeanFactory.SelectExprInsertNativeExpressionCoerceBase

com.espertech.esper.epl.core.select.SelectExprInsertEventBeanFactory.SelectExprInsertNativeExpressionCoerceMap

All Implemented Interfaces:

SelectExprProcessor, SelectExprProcessorForge

Enclosing class:

SelectExprInsertEventBeanFactory

public static class SelectExprInsertEventBeanFactory.SelectExprInsertNativeExpressionCoerceMap
extends SelectExprInsertEventBeanFactory.SelectExprInsertNativeExpressionCoerceBase

Field Summary

Fields inherited from class com.espertech.esper.epl.core.select.SelectExprInsertEventBeanFactory.SelectExprInsertNativeExpressionCoerceBase

evaluator, eventAdapterService, eventType, exprForge

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SelectExprInsertNativeExpressionCoerceMap(EventType eventType, ExprForge exprForge, EventAdapterService eventAdapterService)

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.
CodegenMethodNode	processCodegen(CodegenMember memberResultEventType, CodegenMember memberEventAdapterService, CodegenMethodScope codegenMethodScope, SelectExprProcessorCodegenSymbol selectSymbol, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)

Methods inherited from class com.espertech.esper.epl.core.select.SelectExprInsertEventBeanFactory.SelectExprInsertNativeExpressionCoerceBase

getResultEventType, getSelectExprProcessor

Methods inherited from class java.lang.Object

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

Constructor Detail

SelectExprInsertNativeExpressionCoerceMap

protected SelectExprInsertNativeExpressionCoerceMap(EventType eventType,
                                                    ExprForge exprForge,
                                                    EventAdapterService eventAdapterService)

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

processCodegen

public CodegenMethodNode processCodegen(CodegenMember memberResultEventType,
                                        CodegenMember memberEventAdapterService,
                                        CodegenMethodScope codegenMethodScope,
                                        SelectExprProcessorCodegenSymbol selectSymbol,
                                        ExprForgeCodegenSymbol exprSymbol,
                                        CodegenClassScope codegenClassScope)