public class ExprIdentNodeEvaluatorContext extends Object implements ExprIdentNodeEvaluator
EPTYPE, EPTYPEARRAY
Constructor and Description |
---|
ExprIdentNodeEvaluatorContext(int streamNum,
EPType resultType,
EventPropertyGetterSPI getter,
EventTypeSPI eventType) |
Modifier and Type | Method and Description |
---|---|
CodegenExpression |
codegen(EPTypeClass requiredType,
CodegenMethodScope codegenMethodScope,
ExprForgeCodegenSymbol exprSymbol,
CodegenClassScope codegenClassScope) |
Object |
evaluate(EventBean[] eventsPerStream,
boolean isNewData,
ExprEvaluatorContext context)
Evaluate event tuple and return result.
|
boolean |
evaluatePropertyExists(EventBean[] eventsPerStream,
boolean isNewData) |
EPType |
getEvaluationType() |
EventTypeSPI |
getEventType() |
EventPropertyGetterSPI |
getGetter() |
int |
getStreamNum() |
boolean |
isContextEvaluated() |
void |
setOptionalEvent(boolean optionalEvent) |
public ExprIdentNodeEvaluatorContext(int streamNum, EPType resultType, EventPropertyGetterSPI getter, EventTypeSPI eventType)
public boolean evaluatePropertyExists(EventBean[] eventsPerStream, boolean isNewData)
evaluatePropertyExists
in interface ExprIdentNodeEvaluator
public int getStreamNum()
getStreamNum
in interface ExprIdentNodeEvaluator
public Object evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
ExprEvaluator
evaluate
in interface ExprEvaluator
eventsPerStream
- - event tupleisNewData
- - indicates whether we are dealing with new data (istream) or old data (rstream)context
- context for expression evaluationpublic CodegenExpression codegen(EPTypeClass requiredType, CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
codegen
in interface ExprIdentNodeEvaluator
public EPType getEvaluationType()
getEvaluationType
in interface ExprIdentNodeEvaluator
public EventPropertyGetterSPI getGetter()
getGetter
in interface ExprIdentNodeEvaluator
public boolean isContextEvaluated()
isContextEvaluated
in interface ExprIdentNodeEvaluator
public void setOptionalEvent(boolean optionalEvent)
setOptionalEvent
in interface ExprIdentNodeEvaluator
public EventTypeSPI getEventType()
getEventType
in interface ExprIdentNodeEvaluator
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