com.querydsl.jdo

Class JDOQueryFactory

java.lang.Object

com.querydsl.jdo.JDOQueryFactory

All Implemented Interfaces:

QueryFactory<JDOQuery<?>>

public class JDOQueryFactory
extends Object
implements QueryFactory<JDOQuery<?>>

Factory class for query and DML clause creation

Author:

tiwe

Constructor Summary

Constructors

Constructor and Description
JDOQueryFactory(javax.inject.Provider<javax.jdo.PersistenceManager> persistenceManager)

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Detail

JDOQueryFactory

public JDOQueryFactory(javax.inject.Provider<javax.jdo.PersistenceManager> persistenceManager)

Method Detail

delete

public JDODeleteClause delete(EntityPath<?> path)

select

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

Create a new JDOQuery instance with the given projection

Type Parameters:

T -

Parameters:

expr - projection

Returns:

select(expr)

select

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

Create a new JDOQuery instance with the given projection

Parameters:

exprs - projection

Returns:

select(exprs)

selectDistinct

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

Create a new JDOQuery instance with the given projection

Type Parameters:

T -

Parameters:

expr - projection

Returns:

select(distinct expr)

selectDistinct

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

Create a new JDOQuery instance with the given projection

Parameters:

exprs - projection

Returns:

select(distinct exprs)

selectZero

public JDOQuery<Integer> selectZero()

Create a new JDOQuery instance with the projection 0

Returns:

select(0)

selectOne

public JDOQuery<Integer> selectOne()

Create a new JDOQuery instance with the projection 1

Returns:

select(1)

selectFrom

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

Create a new JDOQuery instance with the given projection

Type Parameters:

T -

Parameters:

expr - projection and source

Returns:

select(expr).from(expr)

from

public JDOQuery<?> from(EntityPath<?> from)

query

public JDOQuery<?> query()

Description copied from interface: QueryFactory

Create a new Query

Specified by:

query in interface QueryFactory<JDOQuery<?>>

Returns:

new query