com.espertech.esper.epl.expression.funcs

Class ExprCaseNodeForgeEvalTypable

java.lang.Object

com.espertech.esper.epl.expression.funcs.ExprCaseNodeForgeEvalTypable

All Implemented Interfaces:

ExprEvaluator, ExprTypableReturnEval

public class ExprCaseNodeForgeEvalTypable
extends Object
implements ExprTypableReturnEval

Constructor Summary

Constructors

Constructor and Description
ExprCaseNodeForgeEvalTypable(ExprCaseNodeForge forge)

Method Summary

Modifier and Type	Method and Description
static CodegenExpression	codegenTypeableSingle(ExprCaseNodeForge forge, CodegenParamSetExprPremade params, CodegenContext context)
Object	evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context) Evaluate event tuple and return result.
Object[][]	evaluateTypableMulti(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
Object[]	evaluateTypableSingle(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)

Methods inherited from class java.lang.Object

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

Constructor Detail

ExprCaseNodeForgeEvalTypable

public ExprCaseNodeForgeEvalTypable(ExprCaseNodeForge forge)

Method Detail

evaluate

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

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)

context - context for expression evaluation

Returns:

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

evaluateTypableSingle

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

Specified by:

evaluateTypableSingle in interface ExprTypableReturnEval

codegenTypeableSingle

public static CodegenExpression codegenTypeableSingle(ExprCaseNodeForge forge,
                                                      CodegenParamSetExprPremade params,
                                                      CodegenContext context)

evaluateTypableMulti

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

Specified by:

evaluateTypableMulti in interface ExprTypableReturnEval