com.espertech.esper.epl.expression.dot

Class ExprDotEvalPropertyExprIndexed

java.lang.Object

com.espertech.esper.epl.expression.dot.ExprDotEvalPropertyExprBase

com.espertech.esper.epl.expression.dot.ExprDotEvalPropertyExprIndexed

All Implemented Interfaces:

ExprEvaluator

public class ExprDotEvalPropertyExprIndexed
extends ExprDotEvalPropertyExprBase

Field Summary

Fields inherited from class com.espertech.esper.epl.expression.dot.ExprDotEvalPropertyExprBase

exprEvaluator, propertyName, statementName, streamNum

Constructor Summary

Constructors

Constructor and Description
ExprDotEvalPropertyExprIndexed(String statementName, String propertyName, int streamNum, ExprEvaluator exprEvaluator, Class propertyType, EventPropertyGetterIndexed indexedGetter)

Method Summary

Modifier and Type	Method and Description
Object	evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context) Evaluate event tuple and return result.

Methods inherited from class com.espertech.esper.epl.expression.dot.ExprDotEvalPropertyExprBase

getType, getWarningText

Methods inherited from class java.lang.Object

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

Constructor Detail

ExprDotEvalPropertyExprIndexed

public ExprDotEvalPropertyExprIndexed(String statementName,
                                      String propertyName,
                                      int streamNum,
                                      ExprEvaluator exprEvaluator,
                                      Class propertyType,
                                      EventPropertyGetterIndexed indexedGetter)

Method Detail

evaluate

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

Description copied from interface: ExprEvaluator

Evaluate event tuple and return result.

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.