com.mysema.query.types.expr
Class DateTimeExpression<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.DateTimeExpression<T>

Type Parameters:

T - expression type

All Implemented Interfaces:

Expression<T>, Serializable

Direct Known Subclasses:

DateTimeOperation, DateTimePath, DateTimeSubQuery, 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.mysema.query.types.expr.DslExpression

mixin

Constructor Summary

DateTimeExpression(Expression<T> mixin)

Method Summary

DateTimeExpression<T>	as(Path<T> alias) Create an alias for the expression
DateTimeExpression<T>	as(String alias) Create an alias for the expression
static DateTimeExpression<Date>	currentDate() Get an expression representing the current date as a DateTimeExpression instance
static <T extends Comparable> DateTimeExpression<T>	currentDate(Class<T> cl) Get an expression representing the current date as a DateTimeExpression instance
static DateTimeExpression<Date>	currentTimestamp() Get an expression representing the current time instant as a DateTimeExpression instance
static <T extends Comparable> DateTimeExpression<T>	currentTimestamp(Class<T> cl) Get an expression representing the current time instant as a DateTimeExpression 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)
NumberExpression<Integer>	hour() Get a hours expression (range 0-23)
DateTimeExpression<T>	max() Get the maximum value of this expression (aggregation)
NumberExpression<Integer>	milliSecond() Get a milliseconds expression (range 0-999)
DateTimeExpression<T>	min() Get the minimum value of this expression (aggregation)
NumberExpression<Integer>	minute() Get a minutes expression (range 0-59)
NumberExpression<Integer>	month() Get a month expression (range 1-12 / JAN-DEC)
NumberExpression<Integer>	second() Get a seconds expression (range 0-59)
NumberExpression<Integer>	week() Get a week expression
NumberExpression<Integer>	year() Get a year expression
NumberExpression<Integer>	yearMonth() Get a year / month 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, 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

DateTimeExpression

public DateTimeExpression(Expression<T> mixin)

Method Detail

currentDate

public static DateTimeExpression<Date> currentDate()

Get an expression representing the current date as a DateTimeExpression instance

Returns:

currentDate

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

Get an expression representing the current date as a DateTimeExpression instance

Returns:

currentTimestamp

public static DateTimeExpression<Date> currentTimestamp()

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

Returns:

currentTimestamp

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

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

Returns:

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:

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:

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:

hour

public NumberExpression<Integer> hour()

Get a hours expression (range 0-23)

Returns:

max

public DateTimeExpression<T> max()

Get the maximum value of this expression (aggregation)

Returns:

max(this)

milliSecond

public NumberExpression<Integer> milliSecond()

Get a milliseconds expression (range 0-999)

Is always 0 in HQL and JDOQL modules

Returns:

min

public DateTimeExpression<T> min()

Get the minimum value of this expression (aggregation)

Returns:

min(this)

minute

public NumberExpression<Integer> minute()

Get a minutes expression (range 0-59)

Returns:

month

public NumberExpression<Integer> month()

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

Returns:

second

public NumberExpression<Integer> second()

Get a seconds expression (range 0-59)

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: