com.querydsl.jdo

Class JDOExpressions

java.lang.Object

com.querydsl.jdo.JDOExpressions

public final class JDOExpressions
extends Object

Common JDO expressions

Method Summary

Modifier and Type	Method and Description
static JDOQuery<Tuple>	select(Expression<?>... exprs) Create a new detached JDOQuery instance with the given projection
static <T> JDOQuery<T>	select(Expression<T> expr) Create a new detached JDOQuery instance with the given projection
static JDOQuery<Tuple>	selectDistinct(Expression<?>... exprs) Create a new detached JDOQuery instance with the given projection
static <T> JDOQuery<T>	selectDistinct(Expression<T> expr) Create a new detached JDOQuery instance with the given projection
static <T> JDOQuery<T>	selectFrom(EntityPath<T> expr) Create a new detached JDOQuery instance with the given projection
static JDOQuery<Integer>	selectOne() Create a new detached JDOQuery instance with the projection 1
static JDOQuery<Integer>	selectZero() Create a new detached JDOQuery instance with the given projection 0

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

select

public static <T> JDOQuery<T> select(Expression<T> expr)

Create a new detached JDOQuery instance with the given projection

Type Parameters:

T -

Parameters:

expr - projection

Returns:

select(expr)

select

public static JDOQuery<Tuple> select(Expression<?>... exprs)

Create a new detached JDOQuery instance with the given projection

Parameters:

exprs - projection

Returns:

select(exprs)

selectDistinct

public static <T> JDOQuery<T> selectDistinct(Expression<T> expr)

Create a new detached JDOQuery instance with the given projection

Type Parameters:

T -

Parameters:

expr - projection

Returns:

select(distinct expr)

selectDistinct

public static JDOQuery<Tuple> selectDistinct(Expression<?>... exprs)

Create a new detached JDOQuery instance with the given projection

Parameters:

exprs - projection

Returns:

select(distinct exprs)

selectZero

public static JDOQuery<Integer> selectZero()

Create a new detached JDOQuery instance with the given projection 0

Returns:

select(0)

selectOne

public static JDOQuery<Integer> selectOne()

Create a new detached JDOQuery instance with the projection 1

Returns:

select(1)

selectFrom

public static <T> JDOQuery<T> selectFrom(EntityPath<T> expr)

Create a new detached JDOQuery instance with the given projection

Type Parameters:

T -

Parameters:

expr - projection and source

Returns:

select(expr).from(expr)