Package com.querydsl.core.types.dsl

Class DateExpression<T extends Comparable>

java.lang.Object

com.querydsl.core.types.dsl.DslExpression<T>

com.querydsl.core.types.dsl.SimpleExpression<T>

com.querydsl.core.types.dsl.ComparableExpressionBase<T>

com.querydsl.core.types.dsl.ComparableExpression<T>

com.querydsl.core.types.dsl.LiteralExpression<T>

com.querydsl.core.types.dsl.TemporalExpression<T>

com.querydsl.core.types.dsl.DateExpression<T>

Type Parameters:

T - expression type

All Implemented Interfaces:

Expression<T>, Serializable

Direct Known Subclasses:

DateOperation, DatePath, DateTemplate

public abstract class DateExpression<T extends Comparable>
extends TemporalExpression<T>

DateExpression represents Date expressions The date representation is compatible with the Gregorian calendar.

Author:

tiwe

See Also:

• Gregorian calendar
• Serialized Form

Field Summary

Fields inherited from class com.querydsl.core.types.dsl.DslExpression

hashCode, mixin

Constructor Summary

Constructors

Constructor	Description
DateExpression(Expression<T> mixin)

Method Summary

Modifier and Type	Method	Description
DateExpression<T>	as(Path<T> alias)	Create an alias for the expression
DateExpression<T>	as(String alias)	Create an alias for the expression
DateExpression<T>	coalesce(Expression<?>... exprs)	Create a coalesce(this, exprs...) expression
DateExpression<T>	coalesce(Expression<T> expr)	Create a coalesce(this, expr) expression
DateExpression<T>	coalesce(T arg)	Create a coalesce(this, arg) expression
DateExpression<T>	coalesce(T... args)	Create a coalesce(this, args...) expression
static DateExpression<Date>	currentDate()	Create an expression representing the current date as a DateExpression instance
static <T extends Comparable> DateExpression<T>	currentDate(Class<T> cl)	Create an expression representing the current date as a DateExpression instance
NumberExpression<Integer>	dayOfMonth()	Create a day of month expression (range 1-31)
NumberExpression<Integer>	dayOfWeek()	Create a day of week expression (range 1-7 / SUN-SAT)
NumberExpression<Integer>	dayOfYear()	Create a day of year expression (range 1-356)
DateExpression<T>	max()	Get the maximum value of this expression (aggregation)
DateExpression<T>	min()	Get the minimum value of this expression (aggregation)
NumberExpression<Integer>	month()	Create a month expression (range 1-12 / JAN-DEC)
DateExpression<T>	nullif(Expression<T> other)	Create a nullif(this, other) expression
DateExpression<T>	nullif(T other)	Create a nullif(this, other) expression
NumberExpression<Integer>	week()	Create a week expression
NumberExpression<Integer>	year()	Create a year expression
NumberExpression<Integer>	yearMonth()	Create a year / month expression
NumberExpression<Integer>	yearWeek()	Create a ISO yearweek expression

Methods inherited from class com.querydsl.core.types.dsl.TemporalExpression

after, after, before, before

Methods inherited from class com.querydsl.core.types.dsl.LiteralExpression

castToNum, stringValue

Methods inherited from class com.querydsl.core.types.dsl.ComparableExpression

between, between, goe, goe, goeAll, goeAll, goeAny, goeAny, gt, gt, gtAll, gtAll, gtAny, gtAny, loe, loe, loeAll, loeAll, loeAny, loeAny, lt, lt, ltAll, ltAll, ltAny, ltAny, notBetween, notBetween

Methods inherited from class com.querydsl.core.types.dsl.ComparableExpressionBase

asc, desc

Methods inherited from class com.querydsl.core.types.dsl.SimpleExpression

count, countDistinct, eq, eq, eqAll, eqAll, eqAny, eqAny, in, in, in, in, in, isNotNull, isNull, ne, ne, neAll, neAny, notIn, notIn, notIn, notIn, notIn, when, when

Methods inherited from class com.querydsl.core.types.dsl.DslExpression

equals, getType, hashCode, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.querydsl.core.types.Expression

accept

Constructor Details

DateExpression

public DateExpression(Expression<T> mixin)

Method Details

currentDate

public static DateExpression<Date> currentDate()

Create an expression representing the current date as a DateExpression instance

Returns:

current date

currentDate

public static <T extends Comparable>
DateExpression<T> currentDate(Class<T> cl)

Create an expression representing the current date as a DateExpression instance

Parameters:

cl - type of expression

Returns:

current date

as

public DateExpression<T> as(Path<T> alias)

Description copied from class: SimpleExpression

Create an alias for the expression

Overrides:

as in class ComparableExpression<T extends Comparable>

Returns:

alias expression

as

public DateExpression<T> as(String alias)

Description copied from class: SimpleExpression

Create an alias for the expression

Overrides:

as in class ComparableExpression<T extends Comparable>

Returns:

alias expression

dayOfMonth

public NumberExpression<Integer> dayOfMonth()

Create a day of month expression (range 1-31)

Returns:

day of month

dayOfWeek

public NumberExpression<Integer> dayOfWeek()

Create a day of week expression (range 1-7 / SUN-SAT)

NOT supported in JDOQL and not in Derby

Returns:

day of week

dayOfYear

public NumberExpression<Integer> dayOfYear()

Create a day of year expression (range 1-356)

NOT supported in JDOQL and not in Derby

Returns:

day of year

max

public DateExpression<T> max()

Get the maximum value of this expression (aggregation)

Overrides:

max in class ComparableExpression<T extends Comparable>

Returns:

max(this)

min

public DateExpression<T> min()

Get the minimum value of this expression (aggregation)

Overrides:

min in class ComparableExpression<T extends Comparable>

Returns:

min(this)

month

public NumberExpression<Integer> month()

Create a month expression (range 1-12 / JAN-DEC)

Returns:

month

week

public NumberExpression<Integer> week()

Create a week expression

Returns:

week

year

public NumberExpression<Integer> year()

Create a year expression

Returns:

year

yearMonth

public NumberExpression<Integer> yearMonth()

Create a year / month expression

Returns:

year month

yearWeek

public NumberExpression<Integer> yearWeek()

Create a ISO yearweek expression

Returns:

year week

nullif

public DateExpression<T> nullif(Expression<T> other)

Create a nullif(this, other) expression

Overrides:

nullif in class ComparableExpression<T extends Comparable>

Parameters:

other -

Returns:

nullif(this, other)

nullif

public DateExpression<T> nullif(T other)

Create a nullif(this, other) expression

Overrides:

nullif in class ComparableExpression<T extends Comparable>

Parameters:

other -

Returns:

nullif(this, other)

coalesce

public DateExpression<T> coalesce(Expression<T> expr)

Create a coalesce(this, expr) expression

Overrides:

coalesce in class ComparableExpression<T extends Comparable>

Parameters:

expr - additional argument

Returns:

coalesce

coalesce

public DateExpression<T> coalesce(Expression<?>... exprs)

Create a coalesce(this, exprs...) expression

Overrides:

coalesce in class ComparableExpression<T extends Comparable>

Parameters:

exprs - additional arguments

Returns:

coalesce

coalesce

public DateExpression<T> coalesce(T arg)

Create a coalesce(this, arg) expression

Overrides:

coalesce in class ComparableExpression<T extends Comparable>

Parameters:

arg - additional argument

Returns:

coalesce

coalesce

public DateExpression<T> coalesce(T... args)

Create a coalesce(this, args...) expression

Overrides:

coalesce in class ComparableExpression<T extends Comparable>

Parameters:

args - additional arguments

Returns:

coalesce