com.espertech.esper.common.internal.epl.enummethod.dot

Class PropertyDotNonLambdaFragmentIndexedForge

java.lang.Object

com.espertech.esper.common.internal.epl.enummethod.dot.PropertyDotNonLambdaFragmentIndexedForge

All Implemented Interfaces:

ExprEvaluator, ExprForge, ExprNodeRenderable

public class PropertyDotNonLambdaFragmentIndexedForge
extends Object
implements ExprForge, ExprEvaluator, ExprNodeRenderable

Field Summary

Fields inherited from interface com.espertech.esper.common.internal.epl.expression.core.ExprEvaluator

EPTYPE, EPTYPEARRAY

Constructor Summary

Constructors

Constructor and Description
PropertyDotNonLambdaFragmentIndexedForge(int streamId, EventPropertyGetterSPI getter, ExprNode indexExpr, String propertyName)

Method Summary

Modifier and Type	Method and Description
Object	evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context) Evaluate event tuple and return result.
CodegenExpression	evaluateCodegen(EPTypeClass requiredType, CodegenMethodScope parent, ExprForgeCodegenSymbol symbols, CodegenClassScope classScope)
EPTypeClass	getEvaluationType()
ExprEvaluator	getExprEvaluator()
ExprForgeConstantType	getForgeConstantType()
ExprNodeRenderable	getForgeRenderable()
void	toEPL(StringWriter writer, ExprPrecedenceEnum parentPrecedence, ExprNodeRenderableFlags flags)

Methods inherited from class java.lang.Object

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

Constructor Detail

PropertyDotNonLambdaFragmentIndexedForge

public PropertyDotNonLambdaFragmentIndexedForge(int streamId,
                                                EventPropertyGetterSPI getter,
                                                ExprNode indexExpr,
                                                String propertyName)

Method Detail

getExprEvaluator

public ExprEvaluator getExprEvaluator()

Specified by:

getExprEvaluator in interface ExprForge

getEvaluationType

public EPTypeClass getEvaluationType()

Specified by:

getEvaluationType in interface ExprForge

getForgeConstantType

public ExprForgeConstantType getForgeConstantType()

Specified by:

getForgeConstantType in interface ExprForge

evaluate

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

Description copied from interface: ExprEvaluator

Evaluate event tuple and return result.

Specified by:

evaluate in interface ExprEvaluator

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.

evaluateCodegen

public CodegenExpression evaluateCodegen(EPTypeClass requiredType,
                                         CodegenMethodScope parent,
                                         ExprForgeCodegenSymbol symbols,
                                         CodegenClassScope classScope)

Specified by:

evaluateCodegen in interface ExprForge

getForgeRenderable

public ExprNodeRenderable getForgeRenderable()

Specified by:

getForgeRenderable in interface ExprForge

toEPL

public void toEPL(StringWriter writer,
                  ExprPrecedenceEnum parentPrecedence,
                  ExprNodeRenderableFlags flags)

Specified by:

toEPL in interface ExprNodeRenderable