com.espertech.esper.epl.expression.dot

Class ExprDotNodeForgePropertyExprEvalIndexed

java.lang.Object

com.espertech.esper.epl.expression.dot.ExprDotNodeForgePropertyExprEvalIndexed

All Implemented Interfaces:

ExprEvaluator

public class ExprDotNodeForgePropertyExprEvalIndexed
extends java.lang.Object
implements ExprEvaluator

Constructor Summary

Constructors

Constructor and Description
ExprDotNodeForgePropertyExprEvalIndexed(ExprDotNodeForgePropertyExpr forge, ExprEvaluator exprEvaluator)

Method Summary

Modifier and Type	Method and Description
static CodegenExpression	codegen(ExprDotNodeForgePropertyExpr forge, CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
java.lang.Object	evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context) 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

ExprDotNodeForgePropertyExprEvalIndexed

public ExprDotNodeForgePropertyExprEvalIndexed(ExprDotNodeForgePropertyExpr forge,
                                               ExprEvaluator exprEvaluator)

Method Detail

evaluate

public java.lang.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.

codegen

public static CodegenExpression codegen(ExprDotNodeForgePropertyExpr forge,
                                        CodegenMethodScope codegenMethodScope,
                                        ExprForgeCodegenSymbol exprSymbol,
                                        CodegenClassScope codegenClassScope)