com.espertech.esper.epl.expression.ops

Class ExprNewInstanceNodeForgeEval

java.lang.Object

com.espertech.esper.epl.expression.ops.ExprNewInstanceNodeForgeEval

All Implemented Interfaces:

ExprEvaluator

public class ExprNewInstanceNodeForgeEval
extends Object
implements ExprEvaluator

Represents the "new Class(...)" operator in an expression tree.

Constructor Summary

Constructors

Constructor and Description
ExprNewInstanceNodeForgeEval(ExprNewInstanceNodeForge forge, InstanceManufacturer manufacturer)

Method Summary

Modifier and Type	Method and Description
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

ExprNewInstanceNodeForgeEval

public ExprNewInstanceNodeForgeEval(ExprNewInstanceNodeForge forge,
                                    InstanceManufacturer manufacturer)

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.