DateTimeExpression (Querydsl - Core module 3.7.0 API)

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
  hashCode, mixin

Constructor Summary

Constructors
Constructor and Description

DateTimeExpression(Expression<T> mixin)

Constructors
Constructor and Description
`DateTimeExpression(Expression<T> mixin)`

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`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
`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
  - 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:
  - yearWeek
```
public NumberExpression<Integer> yearWeek()
```
    Get a ISO yearweek expression
    
    Returns:

Class DateTimeExpression<T extends Comparable>

Field Summary

Fields inherited from class com.mysema.query.types.expr.DslExpression

Constructor Summary

Method Summary

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

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

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

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

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

Methods inherited from class java.lang.Object

Methods inherited from interface com.mysema.query.types.Expression

Constructor Detail

DateTimeExpression

Method Detail

currentDate

currentDate

currentTimestamp

currentTimestamp

as

as

dayOfMonth

dayOfWeek

dayOfYear

hour

max

milliSecond

min

minute

month

second

week

year

yearMonth

yearWeek