com.mysema.query.support
Class DetachableMixin

java.lang.Object
  com.mysema.query.support.DetachableMixin

All Implemented Interfaces:

Detachable

public class DetachableMixin
extends Object
implements Detachable

Mixin style implementation of the Detachable interface

Author:

tiwe

Constructor Summary

DetachableMixin(QueryMixin<?> queryMixin)

Method Summary

ObjectSubQuery<Long>	count() Return the count of matched rows as a sub query
EBoolean	exists() Create an exists(this) expression
ListSubQuery<Object[]>	list(Expr<?>[] args)
ListSubQuery<Object[]>	list(Expr<?> first, Expr<?> second, Expr<?>... rest) Create a projection expression for the given projection
<RT> ListSubQuery<RT>	list(Expr<RT> projection) Create a projection expression for the given projection
EBoolean	notExists() Create an not exists(this) expression
ObjectSubQuery<Object[]>	unique(Expr<?>[] args) Create a projection expression for the given projection
ObjectSubQuery<Object[]>	unique(Expr<?> first, Expr<?> second, Expr<?>... rest) Create a projection expression for the given projection
<RT> ObjectSubQuery<RT>	unique(Expr<RT> projection) Create a projection expression for the given projection

Methods inherited from class java.lang.Object

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

Constructor Detail

DetachableMixin

public DetachableMixin(QueryMixin<?> queryMixin)

Method Detail

count

public ObjectSubQuery<Long> count()

Description copied from interface: Detachable

Return the count of matched rows as a sub query

Specified by:

count in interface Detachable

Returns:

exists

public EBoolean exists()

Description copied from interface: Detachable

Create an exists(this) expression

Specified by:

exists in interface Detachable

Returns:

list

public ListSubQuery<Object[]> list(Expr<?> first,
                                   Expr<?> second,
                                   Expr<?>... rest)

Description copied from interface: Detachable

Create a projection expression for the given projection

Specified by:

list in interface Detachable

rest - rest

Returns:

a List over the projection

list

public ListSubQuery<Object[]> list(Expr<?>[] args)

Specified by:

list in interface Detachable

Returns:

list

public <RT> ListSubQuery<RT> list(Expr<RT> projection)

Description copied from interface: Detachable

Create a projection expression for the given projection

Specified by:

list in interface Detachable

Type Parameters:

RT - generic type of the List

Returns:

a List over the projection

notExists

public EBoolean notExists()

Description copied from interface: Detachable

Create an not exists(this) expression

Specified by:

notExists in interface Detachable

Returns:

unique

public ObjectSubQuery<Object[]> unique(Expr<?> first,
                                       Expr<?> second,
                                       Expr<?>... rest)

Description copied from interface: Detachable

Create a projection expression for the given projection

Specified by:

unique in interface Detachable

Returns:

unique

public ObjectSubQuery<Object[]> unique(Expr<?>[] args)

Description copied from interface: Detachable

Create a projection expression for the given projection

Specified by:

unique in interface Detachable

Returns:

unique

public <RT> ObjectSubQuery<RT> unique(Expr<RT> projection)

Description copied from interface: Detachable

Create a projection expression for the given projection

Specified by:

unique in interface Detachable

Type Parameters:

RT - return type

Returns:

the result or null for an empty result