com.espertech.esper.client.soda
Class TimePeriodExpression

java.lang.Object
  com.espertech.esper.client.soda.ExpressionBase
      com.espertech.esper.client.soda.TimePeriodExpression

All Implemented Interfaces:

Expression, java.io.Serializable

public class TimePeriodExpression
extends ExpressionBase

Represent an expression

See Also:

Serialized Form

Constructor Summary

TimePeriodExpression()
Ctor.

TimePeriodExpression(boolean hasDays, boolean hasHours, boolean hasMinutes, boolean hasSeconds, boolean hasMilliseconds)
Ctor.

TimePeriodExpression(boolean hasYears, boolean hasMonths, boolean hasWeeks, boolean hasDays, boolean hasHours, boolean hasMinutes, boolean hasSeconds, boolean hasMilliseconds)
Ctor.

TimePeriodExpression(Expression daysExpr, Expression hoursExpr, Expression minutesExpr, Expression secondsExpr, Expression millisecondsExpr)
Ctor.

TimePeriodExpression(Expression yearsExpr, Expression monthsExpr, Expression weeksExpr, Expression daysExpr, Expression hoursExpr, Expression minutesExpr, Expression secondsExpr, Expression millisecondsExpr)
Ctor.

Method Summary

ExpressionPrecedenceEnum	getPrecedence() Returns precedence.
boolean	isHasDays() Returns true if a subexpression exists that is a day-part.
boolean	isHasHours() Returns true if a subexpression exists that is a hour-part.
boolean	isHasMilliseconds() Returns true if a subexpression exists that is a milliseconds-part.
boolean	isHasMinutes() Returns true if a subexpression exists that is a minutes-part.
boolean	isHasMonths() Returns true if a subexpression exists that is a month-part.
boolean	isHasSeconds() Returns true if a subexpression exists that is a seconds-part.
boolean	isHasWeeks() Returns true if a subexpression exists that is a weeks-part.
boolean	isHasYears() Returns true if a subexpression exists that is a year-part.
void	setHasDays(boolean hasDays) Set to true if a subexpression exists that is a day-part.
void	setHasHours(boolean hasHours) Set to true if a subexpression exists that is a hour-part.
void	setHasMilliseconds(boolean hasMilliseconds) Set to true if a subexpression exists that is a msec-part.
void	setHasMinutes(boolean hasMinutes) Set to true if a subexpression exists that is a minutes-part.
void	setHasMonths(boolean hasMonths) Set to true if a subexpression exists that is a month-part.
void	setHasSeconds(boolean hasSeconds) Set to true if a subexpression exists that is a seconds-part.
void	setHasWeeks(boolean hasWeeks) Set to true if a subexpression exists that is a weeks-part.
void	setHasYears(boolean hasYears) Set to true if a subexpression exists that is a year-part.
void	toPrecedenceFreeEPL(java.io.StringWriter writer) Renders the expressions and all it's child expression, in full tree depth, as a string in language syntax.

Methods inherited from class com.espertech.esper.client.soda.ExpressionBase

addChild, getChildren, getTreeObjectName, renderAggregation, setChildren, setTreeObjectName, toEPL, toPrecedenceFreeEPL, toPrecedenceFreeEPL

Methods inherited from class java.lang.Object

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

Constructor Detail

TimePeriodExpression

public TimePeriodExpression()

Ctor.

TimePeriodExpression

public TimePeriodExpression(boolean hasYears,
                            boolean hasMonths,
                            boolean hasWeeks,
                            boolean hasDays,
                            boolean hasHours,
                            boolean hasMinutes,
                            boolean hasSeconds,
                            boolean hasMilliseconds)

Ctor.

Parameters:

hasYears - flag to indicate that a year-part expression exists

hasMonths - flag to indicate that a month-part expression exists

hasWeeks - flag to indicate that a week-part expression exists

hasDays - flag to indicate that a day-part expression exists

hasHours - flag to indicate that a hour-part expression exists

hasMinutes - flag to indicate that a minute-part expression exists

hasSeconds - flag to indicate that a seconds-part expression exists

hasMilliseconds - flag to indicate that a millisec-part expression exists

TimePeriodExpression

public TimePeriodExpression(boolean hasDays,
                            boolean hasHours,
                            boolean hasMinutes,
                            boolean hasSeconds,
                            boolean hasMilliseconds)

Ctor.

Parameters:

hasDays - flag to indicate that a day-part expression exists

hasHours - flag to indicate that a hour-part expression exists

hasMinutes - flag to indicate that a minute-part expression exists

hasSeconds - flag to indicate that a seconds-part expression exists

hasMilliseconds - flag to indicate that a millisec-part expression exists

TimePeriodExpression

public TimePeriodExpression(Expression yearsExpr,
                            Expression monthsExpr,
                            Expression weeksExpr,
                            Expression daysExpr,
                            Expression hoursExpr,
                            Expression minutesExpr,
                            Expression secondsExpr,
                            Expression millisecondsExpr)

Ctor.

Parameters:

yearsExpr - expression returning years value, or null if no such part

monthsExpr - expression returning months value, or null if no such part

weeksExpr - expression returning weeks value, or null if no such part

daysExpr - expression returning days value, or null if no such part

hoursExpr - expression returning hours value, or null if no such part

minutesExpr - expression returning minutes value, or null if no such part

secondsExpr - expression returning seconds value, or null if no such part

millisecondsExpr - expression returning millisec value, or null if no such part

TimePeriodExpression

public TimePeriodExpression(Expression daysExpr,
                            Expression hoursExpr,
                            Expression minutesExpr,
                            Expression secondsExpr,
                            Expression millisecondsExpr)

Ctor.

Parameters:

daysExpr - expression returning days value, or null if no such part

hoursExpr - expression returning hours value, or null if no such part

minutesExpr - expression returning minutes value, or null if no such part

secondsExpr - expression returning seconds value, or null if no such part

millisecondsExpr - expression returning millisec value, or null if no such part

Method Detail

isHasDays

public boolean isHasDays()

Returns true if a subexpression exists that is a day-part.

Returns:

indicator for presence of part

setHasDays

public void setHasDays(boolean hasDays)

Set to true if a subexpression exists that is a day-part.

Parameters:

hasDays - for presence of part

isHasHours

public boolean isHasHours()

Returns true if a subexpression exists that is a hour-part.

Returns:

indicator for presence of part

setHasHours

public void setHasHours(boolean hasHours)

Set to true if a subexpression exists that is a hour-part.

Parameters:

hasHours - for presence of part

isHasMinutes

public boolean isHasMinutes()

Returns true if a subexpression exists that is a minutes-part.

Returns:

indicator for presence of part

setHasMinutes

public void setHasMinutes(boolean hasMinutes)

Set to true if a subexpression exists that is a minutes-part.

Parameters:

hasMinutes - for presence of part

isHasSeconds

public boolean isHasSeconds()

Returns true if a subexpression exists that is a seconds-part.

Returns:

indicator for presence of part

setHasSeconds

public void setHasSeconds(boolean hasSeconds)

Set to true if a subexpression exists that is a seconds-part.

Parameters:

hasSeconds - for presence of part

isHasMilliseconds

public boolean isHasMilliseconds()

Returns true if a subexpression exists that is a milliseconds-part.

Returns:

indicator for presence of part

setHasMilliseconds

public void setHasMilliseconds(boolean hasMilliseconds)

Set to true if a subexpression exists that is a msec-part.

Parameters:

hasMilliseconds - for presence of part

isHasYears

public boolean isHasYears()

Returns true if a subexpression exists that is a year-part.

Returns:

indicator for presence of part

setHasYears

public void setHasYears(boolean hasYears)

Set to true if a subexpression exists that is a year-part.

Parameters:

hasYears - for presence of part

isHasMonths

public boolean isHasMonths()

Returns true if a subexpression exists that is a month-part.

Returns:

indicator for presence of part

setHasMonths

public void setHasMonths(boolean hasMonths)

Set to true if a subexpression exists that is a month-part.

Parameters:

hasMonths - for presence of part

isHasWeeks

public boolean isHasWeeks()

Returns true if a subexpression exists that is a weeks-part.

Returns:

indicator for presence of part

setHasWeeks

public void setHasWeeks(boolean hasWeeks)

Set to true if a subexpression exists that is a weeks-part.

Parameters:

hasWeeks - for presence of part

getPrecedence

public ExpressionPrecedenceEnum getPrecedence()

Description copied from interface: Expression

Returns precedence.

Returns:

precedence

toPrecedenceFreeEPL

public void toPrecedenceFreeEPL(java.io.StringWriter writer)

Description copied from class: ExpressionBase

Renders the expressions and all it's child expression, in full tree depth, as a string in language syntax.

Specified by:

toPrecedenceFreeEPL in class ExpressionBase

Parameters:

writer - is the output to use