com.espertech.esper.epl.expression.dot
Class ExprDotEvalPropertyExprMapped

java.lang.Object
  com.espertech.esper.epl.expression.dot.ExprDotEvalPropertyExprBase
      com.espertech.esper.epl.expression.dot.ExprDotEvalPropertyExprMapped

All Implemented Interfaces:

ExprEvaluator

public class ExprDotEvalPropertyExprMapped
extends ExprDotEvalPropertyExprBase

Field Summary

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

exprEvaluator, propertyName, statementName, streamNum

Constructor Summary

ExprDotEvalPropertyExprMapped(java.lang.String statementName, java.lang.String propertyName, int streamNum, ExprEvaluator exprEvaluator, java.lang.Class propertyType, EventPropertyGetterMapped mappedGetter)

Method Summary

java.lang.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

ExprDotEvalPropertyExprMapped

public ExprDotEvalPropertyExprMapped(java.lang.String statementName,
                                     java.lang.String propertyName,
                                     int streamNum,
                                     ExprEvaluator exprEvaluator,
                                     java.lang.Class propertyType,
                                     EventPropertyGetterMapped mappedGetter)

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.

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.