com.espertech.esper.epl.core.select

Class BindProcessor

java.lang.Object

com.espertech.esper.epl.core.select.BindProcessor

public class BindProcessor
extends java.lang.Object

Works in conjunction with SelectExprResultProcessor to present a result as an object array for 'natural' delivery.

Constructor Summary

Constructors

Constructor and Description
BindProcessor(BindProcessorForge forge, ExprEvaluator[] expressionNodes)

Method Summary

Modifier and Type	Method and Description
java.lang.String[]	getColumnNamesAssigned() Returns the column names of select-clause expressions.
java.lang.Class[]	getExpressionTypes() Returns the expression types generated by the select-clause expressions.
java.lang.Object[]	process(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext exprEvaluatorContext)
protected static CodegenMethodNode	processCodegen(BindProcessorForge forge, CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)

Methods inherited from class java.lang.Object

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

Constructor Detail

BindProcessor

public BindProcessor(BindProcessorForge forge,
                     ExprEvaluator[] expressionNodes)

Method Detail

process

public java.lang.Object[] process(EventBean[] eventsPerStream,
                                  boolean isNewData,
                                  ExprEvaluatorContext exprEvaluatorContext)

processCodegen

protected static CodegenMethodNode processCodegen(BindProcessorForge forge,
                                                  CodegenMethodScope codegenMethodScope,
                                                  ExprForgeCodegenSymbol exprSymbol,
                                                  CodegenClassScope codegenClassScope)

getExpressionTypes

public java.lang.Class[] getExpressionTypes()

Returns the expression types generated by the select-clause expressions.

Returns:

types

getColumnNamesAssigned

public java.lang.String[] getColumnNamesAssigned()

Returns the column names of select-clause expressions.

Returns:

column names