com.espertech.esper.epl.script

Class ExprNodeScriptEvalBase

java.lang.Object

com.espertech.esper.epl.script.ExprNodeScriptEvalBase

All Implemented Interfaces:

ExprEnumerationEval, ExprEnumerationForge, ExprEvaluator

Direct Known Subclasses:

ExprNodeScriptEvalJSR223, ExprNodeScriptEvalMVEL

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

Field Summary

Fields

Modifier and Type	Field and Description
protected SimpleNumberCoercer	coercer
protected EventType	eventTypeCollection
protected java.lang.String[]	names
protected ExprForge[]	parameters
protected ExprNodeScript	parent
protected java.lang.Class	returnType
protected java.lang.String	statementName

Constructor Summary

Constructors

Constructor and Description
ExprNodeScriptEvalBase(ExprNodeScript parent, java.lang.String statementName, java.lang.String[] names, ExprForge[] parameters, java.lang.Class returnType, EventType eventTypeCollection)

Method Summary

Modifier and Type	Method and Description
protected abstract CodegenExpression	evaluateCodegen(java.lang.Class requiredType, CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
EventBean	evaluateGetEventBean(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
CodegenExpression	evaluateGetEventBeanCodegen(CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
java.util.Collection<EventBean>	evaluateGetROCollectionEvents(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
CodegenExpression	evaluateGetROCollectionEventsCodegen(CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
java.util.Collection	evaluateGetROCollectionScalar(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
CodegenExpression	evaluateGetROCollectionScalarCodegen(CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
java.lang.Class	getComponentTypeCollection()
EventType	getEventTypeCollection(EventAdapterService eventAdapterService, int statementId)
EventType	getEventTypeSingle(EventAdapterService eventAdapterService, int statementId)
ExprEnumerationEval	getExprEvaluatorEnumeration()
ExprNodeRenderable	getForgeRenderable()
static java.util.Collection<EventBean>	scriptResultToROCollectionEvents(java.lang.Object result) NOTE: Code-generation-invoked method, method name and parameter order matters

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

parent

protected final ExprNodeScript parent

statementName

protected final java.lang.String statementName

names

protected final java.lang.String[] names

parameters

protected final ExprForge[] parameters

returnType

protected final java.lang.Class returnType

eventTypeCollection

protected final EventType eventTypeCollection

coercer

protected final SimpleNumberCoercer coercer

Constructor Detail

ExprNodeScriptEvalBase

public ExprNodeScriptEvalBase(ExprNodeScript parent,
                              java.lang.String statementName,
                              java.lang.String[] names,
                              ExprForge[] parameters,
                              java.lang.Class returnType,
                              EventType eventTypeCollection)

Method Detail

evaluateCodegen

protected abstract CodegenExpression evaluateCodegen(java.lang.Class requiredType,
                                                     CodegenMethodScope codegenMethodScope,
                                                     ExprForgeCodegenSymbol exprSymbol,
                                                     CodegenClassScope codegenClassScope)

getExprEvaluatorEnumeration

public ExprEnumerationEval getExprEvaluatorEnumeration()

Specified by:

getExprEvaluatorEnumeration in interface ExprEnumerationForge

getEventTypeCollection

public EventType getEventTypeCollection(EventAdapterService eventAdapterService,
                                        int statementId)
                                 throws ExprValidationException

Specified by:

getEventTypeCollection in interface ExprEnumerationForge

Throws:

ExprValidationException

evaluateGetROCollectionEvents

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

Specified by:

evaluateGetROCollectionEvents in interface ExprEnumerationEval

evaluateGetROCollectionEventsCodegen

public CodegenExpression evaluateGetROCollectionEventsCodegen(CodegenMethodScope codegenMethodScope,
                                                              ExprForgeCodegenSymbol exprSymbol,
                                                              CodegenClassScope codegenClassScope)

Specified by:

evaluateGetROCollectionEventsCodegen in interface ExprEnumerationForge

scriptResultToROCollectionEvents

public static java.util.Collection<EventBean> scriptResultToROCollectionEvents(java.lang.Object result)

NOTE: Code-generation-invoked method, method name and parameter order matters

Parameters:

result - script result

Returns:

events

getComponentTypeCollection

public java.lang.Class getComponentTypeCollection()
                                           throws ExprValidationException

Specified by:

getComponentTypeCollection in interface ExprEnumerationForge

Throws:

ExprValidationException

evaluateGetROCollectionScalar

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

Specified by:

evaluateGetROCollectionScalar in interface ExprEnumerationEval

evaluateGetROCollectionScalarCodegen

public CodegenExpression evaluateGetROCollectionScalarCodegen(CodegenMethodScope codegenMethodScope,
                                                              ExprForgeCodegenSymbol exprSymbol,
                                                              CodegenClassScope codegenClassScope)

Specified by:

evaluateGetROCollectionScalarCodegen in interface ExprEnumerationForge

getEventTypeSingle

public EventType getEventTypeSingle(EventAdapterService eventAdapterService,
                                    int statementId)
                             throws ExprValidationException

Specified by:

getEventTypeSingle in interface ExprEnumerationForge

Throws:

ExprValidationException

evaluateGetEventBean

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

Specified by:

evaluateGetEventBean in interface ExprEnumerationEval

evaluateGetEventBeanCodegen

public CodegenExpression evaluateGetEventBeanCodegen(CodegenMethodScope codegenMethodScope,
                                                     ExprForgeCodegenSymbol exprSymbol,
                                                     CodegenClassScope codegenClassScope)

Specified by:

evaluateGetEventBeanCodegen in interface ExprEnumerationForge

getForgeRenderable

public ExprNodeRenderable getForgeRenderable()

Specified by:

getForgeRenderable in interface ExprEnumerationForge