public class ExprEvalStreamNumEventTable extends Object implements ExprForge, ExprEvaluator, ExprNodeRenderable
Constructor and Description |
---|
ExprEvalStreamNumEventTable(int streamNum,
TableMetaData table) |
Modifier and Type | Method and Description |
---|---|
Object |
evaluate(EventBean[] eventsPerStream,
boolean isNewData,
ExprEvaluatorContext context)
Evaluate event tuple and return result.
|
CodegenExpression |
evaluateCodegen(Class requiredType,
CodegenMethodScope codegenMethodScope,
ExprForgeCodegenSymbol exprSymbol,
CodegenClassScope codegenClassScope) |
static EventBean |
evaluateConvertTableEvent(int streamNum,
TableMetadataInternalEventToPublic eventToPublic,
EventBean[] eventsPerStream,
boolean isNewData,
ExprEvaluatorContext context)
NOTE: Code-generation-invoked method, method name and parameter order matters
|
Class |
getEvaluationType() |
ExprEvaluator |
getExprEvaluator() |
ExprForgeConstantType |
getForgeConstantType() |
ExprNodeRenderable |
getForgeRenderable() |
void |
toEPL(StringWriter writer,
ExprPrecedenceEnum parentPrecedence) |
public ExprEvalStreamNumEventTable(int streamNum, TableMetaData table)
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 evaluateCodegen(Class requiredType, CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
evaluateCodegen
in interface ExprForge
public static EventBean evaluateConvertTableEvent(int streamNum, TableMetadataInternalEventToPublic eventToPublic, EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
streamNum
- streameventToPublic
- conversioneventsPerStream
- eventsisNewData
- flagcontext
- contextpublic ExprEvaluator getExprEvaluator()
getExprEvaluator
in interface ExprForge
public Class getEvaluationType()
getEvaluationType
in interface ExprForge
public ExprNodeRenderable getForgeRenderable()
getForgeRenderable
in interface ExprForge
public void toEPL(StringWriter writer, ExprPrecedenceEnum parentPrecedence)
toEPL
in interface ExprNodeRenderable
public ExprForgeConstantType getForgeConstantType()
getForgeConstantType
in interface ExprForge
Copyright © 2005–2019. All rights reserved.