com.espertech.esper.epl.core

Class SelectExprProcessorEnumerationAtBeanCollTableEval

java.lang.Object

com.espertech.esper.epl.core.SelectExprProcessorEnumerationAtBeanCollTableEval

All Implemented Interfaces:

ExprEvaluator

public class SelectExprProcessorEnumerationAtBeanCollTableEval
extends Object
implements ExprEvaluator

Constructor Summary

Constructors

Constructor and Description
SelectExprProcessorEnumerationAtBeanCollTableEval(SelectExprProcessorEnumerationAtBeanCollTableForge forge, ExprEnumerationEval enumEval)

Method Summary

Modifier and Type	Method and Description
static CodegenExpression	codegen(SelectExprProcessorEnumerationAtBeanCollTableForge forge, CodegenParamSetExprPremade params, CodegenContext context)
static EventBean[]	convertToTableType(Object result, TableMetadataInternalEventToPublic eventToPublic, EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext exprEvaluatorContext) NOTE: Code-generation-invoked method, method name and parameter order matters
Object	evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext exprEvaluatorContext) Evaluate event tuple and return result.

Methods inherited from class java.lang.Object

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

Constructor Detail

SelectExprProcessorEnumerationAtBeanCollTableEval

public SelectExprProcessorEnumerationAtBeanCollTableEval(SelectExprProcessorEnumerationAtBeanCollTableForge forge,
                                                         ExprEnumerationEval enumEval)

Method Detail

evaluate

public Object evaluate(EventBean[] eventsPerStream,
                       boolean isNewData,
                       ExprEvaluatorContext exprEvaluatorContext)

Description copied from interface: ExprEvaluator

Evaluate event tuple and return result.

Specified by:

evaluate in interface ExprEvaluator

Parameters:

eventsPerStream - - event tuple

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

exprEvaluatorContext - context for expression evaluation

Returns:

evaluation result, a boolean value for OR/AND-type evalution nodes.

codegen

public static CodegenExpression codegen(SelectExprProcessorEnumerationAtBeanCollTableForge forge,
                                        CodegenParamSetExprPremade params,
                                        CodegenContext context)

convertToTableType

public static EventBean[] convertToTableType(Object result,
                                             TableMetadataInternalEventToPublic eventToPublic,
                                             EventBean[] eventsPerStream,
                                             boolean isNewData,
                                             ExprEvaluatorContext exprEvaluatorContext)

NOTE: Code-generation-invoked method, method name and parameter order matters

Parameters:

result - result

eventToPublic - conversion

eventsPerStream - events

isNewData - flag

exprEvaluatorContext - context

Returns:

beans