com.espertech.esper.epl.script
Class ExprNodeScriptEvalJSR223

java.lang.Object
  com.espertech.esper.epl.script.ExprNodeScriptEvalBase
      com.espertech.esper.epl.script.ExprNodeScriptEvalJSR223

All Implemented Interfaces:

ExprEvaluator, ExprEvaluatorEnumeration

public class ExprNodeScriptEvalJSR223
extends ExprNodeScriptEvalBase

Field Summary

Fields inherited from class com.espertech.esper.epl.script.ExprNodeScriptEvalBase

coercer, names, parameters, returnType, scriptName, statementName

Constructor Summary

ExprNodeScriptEvalJSR223(java.lang.String scriptName, java.lang.String statementName, java.lang.String[] names, ExprEvaluator[] parameters, java.lang.Class returnType, javax.script.CompiledScript executable)

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.script.ExprNodeScriptEvalBase

evaluateGetEventBean, evaluateGetROCollectionEvents, evaluateGetROCollectionScalar, getComponentTypeCollection, getEventTypeCollection, getEventTypeSingle, getType

Methods inherited from class java.lang.Object

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

Constructor Detail

ExprNodeScriptEvalJSR223

public ExprNodeScriptEvalJSR223(java.lang.String scriptName,
                                java.lang.String statementName,
                                java.lang.String[] names,
                                ExprEvaluator[] parameters,
                                java.lang.Class returnType,
                                javax.script.CompiledScript executable)

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.