Package com.espertech.esper.common.internal.epl.expression.ops

Class ExprNewStructNodeForgeEval

java.lang.Object

com.espertech.esper.common.internal.epl.expression.ops.ExprNewStructNodeForgeEval

All Implemented Interfaces:

ExprEvaluator, ExprTypableReturnEval

public class ExprNewStructNodeForgeEval
extends Object
implements ExprTypableReturnEval

Field Summary

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

EPTYPE, EPTYPEARRAY

Constructor Summary

Constructors

Constructor	Description
ExprNewStructNodeForgeEval(ExprNewStructNodeForge forge, ExprEvaluator[] evaluators)

Method Summary

Modifier and Type	Method	Description
static CodegenExpression	codegen(ExprNewStructNodeForge forge, CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
static CodegenExpression	codegenTypeableSingle(ExprNewStructNodeForge forge, CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
Object	evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext exprEvaluatorContext)	Evaluate event tuple and return result.
Object[][]	evaluateTypableMulti(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
Object[]	evaluateTypableSingle(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)

Methods inherited from class java.lang.Object

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

Constructor Details

ExprNewStructNodeForgeEval

public ExprNewStructNodeForgeEval(ExprNewStructNodeForge forge,
 ExprEvaluator[] evaluators)

Method Details

evaluate

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

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)

exprEvaluatorContext - context for expression evaluation

Returns:

evaluation result, a boolean value for OR/AND-type evalution nodes.

codegen

public static CodegenExpression codegen(ExprNewStructNodeForge forge,
 CodegenMethodScope codegenMethodScope,
 ExprForgeCodegenSymbol exprSymbol,
 CodegenClassScope codegenClassScope)

evaluateTypableSingle

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

Specified by:

evaluateTypableSingle in interface ExprTypableReturnEval

codegenTypeableSingle

public static CodegenExpression codegenTypeableSingle(ExprNewStructNodeForge forge,
 CodegenMethodScope codegenMethodScope,
 ExprForgeCodegenSymbol exprSymbol,
 CodegenClassScope codegenClassScope)

evaluateTypableMulti

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

Specified by:

evaluateTypableMulti in interface ExprTypableReturnEval