com.mysema.query.types.expr

Class DateExpression<T extends Comparable>

java.lang.Object

com.mysema.query.types.expr.DslExpression<T>

com.mysema.query.types.expr.SimpleExpression<T>

com.mysema.query.types.expr.ComparableExpressionBase<T>

com.mysema.query.types.expr.ComparableExpression<T>

com.mysema.query.types.expr.TemporalExpression<T>

com.mysema.query.types.expr.DateExpression<T>

Type Parameters:

T - expression type

All Implemented Interfaces:

Expression<T>, Serializable

Direct Known Subclasses:

DateOperation, DatePath, DateSubQuery, 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.mysema.query.types.expr.DslExpression

hashCode, mixin

Constructor Summary

Constructors

Constructor and Description
DateExpression(Expression<T> mixin)

Method Summary

Modifier and Type	Method and Description
DateExpression<T>	as(Path<T> alias) Create an alias for the expression
DateExpression<T>	as(String alias) Create an alias for the expression
static DateExpression<Date>	currentDate() Get an expression representing the current date as a DateExpression instance
static <T extends Comparable> DateExpression<T>	currentDate(Class<T> cl) Get an expression representing the current date as a DateExpression instance
NumberExpression<Integer>	dayOfMonth() Get a day of month expression (range 1-31)
NumberExpression<Integer>	dayOfWeek() Get a day of week expression (range 1-7 / SUN-SAT)
NumberExpression<Integer>	dayOfYear() Get 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() Get a month expression (range 1-12 / JAN-DEC)
NumberExpression<Integer>	week() Get a week expression
NumberExpression<Integer>	year() Get a year expression
NumberExpression<Integer>	yearMonth() Get a year / month expression
NumberExpression<Integer>	yearWeek() Get a ISO yearweek expression

Methods inherited from class com.mysema.query.types.expr.TemporalExpression

after, after, before, before

Methods inherited from class com.mysema.query.types.expr.ComparableExpression

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

Methods inherited from class com.mysema.query.types.expr.ComparableExpressionBase

asc, castToNum, coalesce, coalesce, desc, stringValue

Methods inherited from class com.mysema.query.types.expr.SimpleExpression

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

Methods inherited from class com.mysema.query.types.expr.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.mysema.query.types.Expression

accept

Constructor Detail

DateExpression

public DateExpression(Expression<T> mixin)

Method Detail

currentDate

public static DateExpression<Date> currentDate()

Get an expression representing the current date as a DateExpression instance

Returns:

currentDate

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

Get an expression representing the current date as a DateExpression instance

Returns:

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:

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:

dayOfMonth

public NumberExpression<Integer> dayOfMonth()

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

Returns:

dayOfWeek

public NumberExpression<Integer> dayOfWeek()

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

NOT supported in JDOQL and not in Derby

Returns:

dayOfYear

public NumberExpression<Integer> dayOfYear()

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

NOT supported in JDOQL and not in Derby

Returns:

max

public DateExpression<T> max()

Get the maximum value of this expression (aggregation)

Returns:

max(this)

min

public DateExpression<T> min()

Get the minimum value of this expression (aggregation)

Returns:

min(this)

month

public NumberExpression<Integer> month()

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

Returns:

week

public NumberExpression<Integer> week()

Get a week expression

Returns:

year

public NumberExpression<Integer> year()

Get a year expression

Returns:

yearMonth

public NumberExpression<Integer> yearMonth()

Get a year / month expression

Returns:

yearWeek

public NumberExpression<Integer> yearWeek()

Get a ISO yearweek expression

Returns: