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

Class ExprArrayNodeForgeEval

java.lang.Object

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

All Implemented Interfaces:

ExprEnumerationEval, ExprEvaluator

public class ExprArrayNodeForgeEval
extends Object
implements ExprEvaluator, ExprEnumerationEval

Field Summary

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

EPTYPE, EPTYPEARRAY

Constructor Summary

Constructors

Constructor	Description
ExprArrayNodeForgeEval(ExprArrayNodeForge forge, ExprEvaluator[] evaluators)

Method Summary

Modifier and Type	Method	Description
static CodegenExpression	codegen(ExprArrayNodeForge forge, CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
static CodegenExpression	codegenEvaluateGetROCollectionScalar(ExprArrayNodeForge forge, CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
Object	evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext exprEvaluatorContext)	Evaluate event tuple and return result.
EventBean	evaluateGetEventBean(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
Collection<EventBean>	evaluateGetROCollectionEvents(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
Collection	evaluateGetROCollectionScalar(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
ExprEnumerationEval	getExprEvaluatorEnumeration()

Methods inherited from class java.lang.Object

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

Constructor Details

ExprArrayNodeForgeEval

public ExprArrayNodeForgeEval(ExprArrayNodeForge forge,
 ExprEvaluator[] evaluators)

Method Details

getExprEvaluatorEnumeration

public ExprEnumerationEval getExprEvaluatorEnumeration()

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(ExprArrayNodeForge forge,
 CodegenMethodScope codegenMethodScope,
 ExprForgeCodegenSymbol exprSymbol,
 CodegenClassScope codegenClassScope)

evaluateGetROCollectionEvents

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

Specified by:

evaluateGetROCollectionEvents in interface ExprEnumerationEval

evaluateGetROCollectionScalar

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

Specified by:

evaluateGetROCollectionScalar in interface ExprEnumerationEval

codegenEvaluateGetROCollectionScalar

public static CodegenExpression codegenEvaluateGetROCollectionScalar(ExprArrayNodeForge forge,
 CodegenMethodScope codegenMethodScope,
 ExprForgeCodegenSymbol exprSymbol,
 CodegenClassScope codegenClassScope)

evaluateGetEventBean

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

Specified by:

evaluateGetEventBean in interface ExprEnumerationEval