Package com.querydsl.core.types.dsl

Class DateTimeExpression<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.DateTimeExpression<T>

Type Parameters:

T - expression type

All Implemented Interfaces:

Expression<T>, Serializable

Direct Known Subclasses:

DateTimeOperation, DateTimePath, DateTimeTemplate

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

DateTimeExpression represents Date / Time 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
DateTimeExpression(Expression<T> mixin)

Method Summary

Modifier and Type	Method	Description
DateTimeExpression<T>	as(Path<T> alias)	Create an alias for the expression
DateTimeExpression<T>	as(String alias)	Create an alias for the expression
DateTimeExpression<T>	coalesce(Expression<?>... exprs)	Create a coalesce(this, exprs...) expression
DateTimeExpression<T>	coalesce(Expression<T> expr)	Create a coalesce(this, expr) expression
DateTimeExpression<T>	coalesce(T arg)	Create a coalesce(this, arg) expression
DateTimeExpression<T>	coalesce(T... args)	Create a coalesce(this, args...) expression
static DateTimeExpression<Date>	currentDate()	Create an expression representing the current date as a DateTimeExpression instance
static <T extends Comparable> DateTimeExpression<T>	currentDate(Class<T> cl)	Create an expression representing the current date as a DateTimeExpression instance
static DateTimeExpression<Date>	currentTimestamp()	Create an expression representing the current time instant as a DateTimeExpression instance
static <T extends Comparable> DateTimeExpression<T>	currentTimestamp(Class<T> cl)	Create an expression representing the current time instant as a DateTimeExpression 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)
NumberExpression<Integer>	hour()	Create a hours expression (range 0-23)
DateTimeExpression<T>	max()	Get the maximum value of this expression (aggregation)
NumberExpression<Integer>	milliSecond()	Create a milliseconds expression (range 0-999)
DateTimeExpression<T>	min()	Get the minimum value of this expression (aggregation)
NumberExpression<Integer>	minute()	Create a minutes expression (range 0-59)
NumberExpression<Integer>	month()	Create a month expression (range 1-12 / JAN-DEC)
DateTimeExpression<T>	nullif(Expression<T> other)	Create a nullif(this, other) expression
DateTimeExpression<T>	nullif(T other)	Create a nullif(this, other) expression
NumberExpression<Integer>	second()	Create a seconds expression (range 0-59)
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

DateTimeExpression

public DateTimeExpression(Expression<T> mixin)

Method Details

currentDate

public static DateTimeExpression<Date> currentDate()

Create an expression representing the current date as a DateTimeExpression instance

Returns:

current date

currentDate

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

Create an expression representing the current date as a DateTimeExpression instance

Returns:

current date

currentTimestamp

public static DateTimeExpression<Date> currentTimestamp()

Create an expression representing the current time instant as a DateTimeExpression instance

Returns:

current timestamp

currentTimestamp

public static <T extends Comparable>
DateTimeExpression<T> currentTimestamp(Class<T> cl)

Create an expression representing the current time instant as a DateTimeExpression instance

Returns:

current timestamp

as

public DateTimeExpression<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 DateTimeExpression<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

hour

public NumberExpression<Integer> hour()

Create a hours expression (range 0-23)

Returns:

hour

max

public DateTimeExpression<T> max()

Get the maximum value of this expression (aggregation)

Overrides:

max in class ComparableExpression<T extends Comparable>

Returns:

max(this)

milliSecond

public NumberExpression<Integer> milliSecond()

Create a milliseconds expression (range 0-999)

Is always 0 in HQL and JDOQL modules

Returns:

milli seconds

min

public DateTimeExpression<T> min()

Get the minimum value of this expression (aggregation)

Overrides:

min in class ComparableExpression<T extends Comparable>

Returns:

min(this)

minute

public NumberExpression<Integer> minute()

Create a minutes expression (range 0-59)

Returns:

minute

month

public NumberExpression<Integer> month()

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

Returns:

month

second

public NumberExpression<Integer> second()

Create a seconds expression (range 0-59)

Returns:

second

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 DateTimeExpression<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 DateTimeExpression<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 DateTimeExpression<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 DateTimeExpression<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 DateTimeExpression<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 DateTimeExpression<T> coalesce(T... args)

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

Overrides:

coalesce in class ComparableExpression<T extends Comparable>

Parameters:

args - additional arguments

Returns:

coalesce