com.espertech.esper.epl.expression.time

Class ExprTimePeriodForge

java.lang.Object

com.espertech.esper.epl.expression.time.ExprTimePeriodForge

All Implemented Interfaces:

ExprForge

public class ExprTimePeriodForge
extends java.lang.Object
implements ExprForge

Expression representing a time period.

Child nodes to this expression carry the actual parts and must return a numeric value.

Constructor Summary

Constructors

Constructor and Description
ExprTimePeriodForge(ExprTimePeriodImpl parent, boolean hasVariable, ExprTimePeriodAdder.TimePeriodAdder[] adders)

Method Summary

Modifier and Type	Method and Description
ExprTimePeriodEvalDeltaConst	constEvaluator(ExprEvaluatorContext context)
double	evaluateAsSeconds(EventBean[] eventsPerStream, boolean newData, ExprEvaluatorContext context)
CodegenExpression	evaluateAsSecondsCodegen(CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
CodegenExpression	evaluateCodegen(java.lang.Class requiredType, CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
TimePeriod	evaluateGetTimePeriod(EventBean[] eventsPerStream, boolean newData, ExprEvaluatorContext context)
CodegenExpression	evaluateGetTimePeriodCodegen(CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
protected ExprTimePeriodAdder.TimePeriodAdder[]	getAdders()
ExprForgeComplexityEnum	getComplexity()
java.lang.Class	getEvaluationType()
ExprEvaluator[]	getEvaluators()
ExprEvaluator	getExprEvaluator()
ExprTimePeriodImpl	getForgeRenderable()
TimeAbacus	getTimeAbacus()
boolean	isHasVariable()
static EPException	makeTimePeriodParamNullException(java.lang.String expressionText) NOTE: Code-generation-invoked method, method name and parameter order matters
ExprTimePeriodEvalDeltaNonConst	nonconstEvaluator()

Methods inherited from class java.lang.Object

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

Constructor Detail

ExprTimePeriodForge

public ExprTimePeriodForge(ExprTimePeriodImpl parent,
                           boolean hasVariable,
                           ExprTimePeriodAdder.TimePeriodAdder[] adders)

Method Detail

constEvaluator

public ExprTimePeriodEvalDeltaConst constEvaluator(ExprEvaluatorContext context)

nonconstEvaluator

public ExprTimePeriodEvalDeltaNonConst nonconstEvaluator()

getTimeAbacus

public TimeAbacus getTimeAbacus()

getExprEvaluator

public ExprEvaluator getExprEvaluator()

Specified by:

getExprEvaluator in interface ExprForge

evaluateCodegen

public CodegenExpression evaluateCodegen(java.lang.Class requiredType,
                                         CodegenMethodScope codegenMethodScope,
                                         ExprForgeCodegenSymbol exprSymbol,
                                         CodegenClassScope codegenClassScope)

Specified by:

evaluateCodegen in interface ExprForge

getComplexity

public ExprForgeComplexityEnum getComplexity()

Specified by:

getComplexity in interface ExprForge

getEvaluationType

public java.lang.Class getEvaluationType()

Specified by:

getEvaluationType in interface ExprForge

isHasVariable

public boolean isHasVariable()

getAdders

protected ExprTimePeriodAdder.TimePeriodAdder[] getAdders()

getForgeRenderable

public ExprTimePeriodImpl getForgeRenderable()

Specified by:

getForgeRenderable in interface ExprForge

getEvaluators

public ExprEvaluator[] getEvaluators()

evaluateAsSeconds

public double evaluateAsSeconds(EventBean[] eventsPerStream,
                                boolean newData,
                                ExprEvaluatorContext context)

evaluateAsSecondsCodegen

public CodegenExpression evaluateAsSecondsCodegen(CodegenMethodScope codegenMethodScope,
                                                  ExprForgeCodegenSymbol exprSymbol,
                                                  CodegenClassScope codegenClassScope)

evaluateGetTimePeriod

public TimePeriod evaluateGetTimePeriod(EventBean[] eventsPerStream,
                                        boolean newData,
                                        ExprEvaluatorContext context)

evaluateGetTimePeriodCodegen

public CodegenExpression evaluateGetTimePeriodCodegen(CodegenMethodScope codegenMethodScope,
                                                      ExprForgeCodegenSymbol exprSymbol,
                                                      CodegenClassScope codegenClassScope)

makeTimePeriodParamNullException

public static EPException makeTimePeriodParamNullException(java.lang.String expressionText)

NOTE: Code-generation-invoked method, method name and parameter order matters

Parameters:

expressionText - text

Returns:

exception