com.espertech.esper.common.internal.epl.expression.time.node

Interface ExprTimePeriod

All Superinterfaces:

ExprNode, ExprNodeRenderable, ExprValidator, Serializable

All Known Implementing Classes:

ExprTimePeriodImpl

public interface ExprTimePeriod
extends ExprNode

Expression representing a time period.

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

Method Summary

Modifier and Type	Method and Description
double	evaluateAsSeconds(EventBean[] eventsPerStream, boolean newData, ExprEvaluatorContext context)
CodegenExpression	evaluateAsSecondsCodegen(CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
TimePeriod	evaluateGetTimePeriod(EventBean[] eventsPerStream, boolean newData, ExprEvaluatorContext context)
CodegenExpression	evaluateGetTimePeriodCodegen(CodegenMethodScope codegenMethodScope, ExprForgeCodegenSymbol exprSymbol, CodegenClassScope codegenClassScope)
TimePeriodComputeForge	getTimePeriodComputeForge()
TimePeriodEval	getTimePeriodEval()
boolean	hasVariable()
boolean	isConstantResult()
boolean	isHasDay() Indicator whether the time period has a day part child expression.
boolean	isHasHour() Indicator whether the time period has a hour part child expression.
boolean	isHasMicrosecond() Indicator whether the time period has a microsecond part child expression.
boolean	isHasMillisecond() Indicator whether the time period has a millisecond part child expression.
boolean	isHasMinute() Indicator whether the time period has a minute part child expression.
boolean	isHasMonth() Indicator whether the time period has a month part child expression.
boolean	isHasSecond() Indicator whether the time period has a second part child expression.
boolean	isHasWeek() Indicator whether the time period has a week part child expression.
boolean	isHasYear() Indicator whether the time period has a year part child expression.
CodegenExpression	makeTimePeriodAnonymous(CodegenMethod method, CodegenClassScope classScope)

Methods inherited from interface com.espertech.esper.common.internal.epl.expression.core.ExprNode

accept, accept, acceptChildnodes, addChildNode, addChildNodes, equalsNode, getChildNodes, getForge, getPrecedence, replaceUnlistedChildNode, setChildNode, setChildNodes

Methods inherited from interface com.espertech.esper.common.internal.epl.expression.core.ExprNodeRenderable

toEPL

Methods inherited from interface com.espertech.esper.common.internal.epl.expression.core.ExprValidator

validate

Method Detail

hasVariable

boolean hasVariable()

getTimePeriodComputeForge

TimePeriodComputeForge getTimePeriodComputeForge()

getTimePeriodEval

TimePeriodEval getTimePeriodEval()

evaluateAsSeconds

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

evaluateGetTimePeriod

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

isHasDay

boolean isHasDay()

Indicator whether the time period has a day part child expression.

Returns:

true for part present, false for not present

isHasHour

boolean isHasHour()

Indicator whether the time period has a hour part child expression.

Returns:

true for part present, false for not present

isHasMinute

boolean isHasMinute()

Indicator whether the time period has a minute part child expression.

Returns:

true for part present, false for not present

isHasSecond

boolean isHasSecond()

Indicator whether the time period has a second part child expression.

Returns:

true for part present, false for not present

isHasMillisecond

boolean isHasMillisecond()

Indicator whether the time period has a millisecond part child expression.

Returns:

true for part present, false for not present

isHasMicrosecond

boolean isHasMicrosecond()

Indicator whether the time period has a microsecond part child expression.

Returns:

true for part present, false for not present

isHasYear

boolean isHasYear()

Indicator whether the time period has a year part child expression.

Returns:

true for part present, false for not present

isHasMonth

boolean isHasMonth()

Indicator whether the time period has a month part child expression.

Returns:

true for part present, false for not present

isHasWeek

boolean isHasWeek()

Indicator whether the time period has a week part child expression.

Returns:

true for part present, false for not present

isConstantResult

boolean isConstantResult()

evaluateGetTimePeriodCodegen

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

evaluateAsSecondsCodegen

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

makeTimePeriodAnonymous

CodegenExpression makeTimePeriodAnonymous(CodegenMethod method,
                                          CodegenClassScope classScope)