com.espertech.esper.epl.script
Class ExprNodeScriptEvalBase

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

All Implemented Interfaces:

ExprEvaluator, ExprEvaluatorEnumeration

Direct Known Subclasses:

ExprNodeScriptEvalJSR223, ExprNodeScriptEvalMVEL

public abstract class ExprNodeScriptEvalBase
extends java.lang.Object
implements ExprEvaluator, ExprEvaluatorEnumeration

Field Summary

protected SimpleNumberCoercer	coercer
protected java.lang.String[]	names
protected ExprEvaluator[]	parameters
protected java.lang.Class	returnType
protected java.lang.String	scriptName
protected java.lang.String	statementName

Constructor Summary

ExprNodeScriptEvalBase(java.lang.String scriptName, java.lang.String statementName, java.lang.String[] names, ExprEvaluator[] parameters, java.lang.Class returnType)

Method Summary

EventBean	evaluateGetEventBean(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
java.util.Collection<EventBean>	evaluateGetROCollectionEvents(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
java.util.Collection	evaluateGetROCollectionScalar(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
java.lang.Class	getComponentTypeCollection()
EventType	getEventTypeCollection(EventAdapterService eventAdapterService, java.lang.String statementId)
EventType	getEventTypeSingle(EventAdapterService eventAdapterService, java.lang.String statementId)
java.lang.Class	getType() Returns the type that the node's evaluate method returns an instance of.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.espertech.esper.epl.expression.core.ExprEvaluator

evaluate

Field Detail

scriptName

protected final java.lang.String scriptName

statementName

protected final java.lang.String statementName

names

protected final java.lang.String[] names

parameters

protected final ExprEvaluator[] parameters

returnType

protected final java.lang.Class returnType

coercer

protected final SimpleNumberCoercer coercer

Constructor Detail

ExprNodeScriptEvalBase

public ExprNodeScriptEvalBase(java.lang.String scriptName,
                              java.lang.String statementName,
                              java.lang.String[] names,
                              ExprEvaluator[] parameters,
                              java.lang.Class returnType)

Method Detail

getType

public java.lang.Class getType()

Description copied from interface: ExprEvaluator

Returns the type that the node's evaluate method returns an instance of.

Specified by:

getType in interface ExprEvaluator

Returns:

type returned when evaluated

getEventTypeCollection

public EventType getEventTypeCollection(EventAdapterService eventAdapterService,
                                        java.lang.String statementId)
                                 throws ExprValidationException

Specified by:

getEventTypeCollection in interface ExprEvaluatorEnumeration

Throws:

ExprValidationException

evaluateGetROCollectionEvents

public java.util.Collection<EventBean> evaluateGetROCollectionEvents(EventBean[] eventsPerStream,
                                                                     boolean isNewData,
                                                                     ExprEvaluatorContext context)

Specified by:

evaluateGetROCollectionEvents in interface ExprEvaluatorEnumeration

getComponentTypeCollection

public java.lang.Class getComponentTypeCollection()
                                           throws ExprValidationException

Specified by:

getComponentTypeCollection in interface ExprEvaluatorEnumeration

Throws:

ExprValidationException

evaluateGetROCollectionScalar

public java.util.Collection evaluateGetROCollectionScalar(EventBean[] eventsPerStream,
                                                          boolean isNewData,
                                                          ExprEvaluatorContext context)

Specified by:

evaluateGetROCollectionScalar in interface ExprEvaluatorEnumeration

getEventTypeSingle

public EventType getEventTypeSingle(EventAdapterService eventAdapterService,
                                    java.lang.String statementId)
                             throws ExprValidationException

Specified by:

getEventTypeSingle in interface ExprEvaluatorEnumeration

Throws:

ExprValidationException

evaluateGetEventBean

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

Specified by:

evaluateGetEventBean in interface ExprEvaluatorEnumeration