com.mysema.query

Interface Detachable

All Known Subinterfaces:

JPQLSubQuery

All Known Implementing Classes:

AbstractJDOSubQuery, AbstractJPASubQuery, AbstractSQLSubQuery, DetachableAdapter, DetachableMixin, DetachableQuery, HibernateSubQuery, JDOSubQuery, JPASubQuery, SQLServerSubQuery, SQLSubQuery

public interface Detachable

Detachable defines methods for the construction of SubQuery instances

Author:

tiwe

Method Summary

Methods

Modifier and Type	Method and Description
NumberSubQuery<Long>	count() Return the count of matched rows as a sub query
BooleanExpression	exists() Create an exists(this) expression
ListSubQuery<Tuple>	list(Expression<?>... args) Create a projection expression for the given projection
<RT> ListSubQuery<RT>	list(Expression<RT> projection) Create a projection expression for the given projection
ListSubQuery<Tuple>	list(Object... args) Create a projection expression for the given projection Non expression arguments are converted into constant expressions
BooleanExpression	notExists() Create an not exists(this) expression
<RT extends Comparable<?>> ComparableSubQuery<RT>	unique(ComparableExpression<RT> projection) Create a subquery expression for the given projection
<RT extends Comparable<?>> DateSubQuery<RT>	unique(DateExpression<RT> projection) Create a subquery expression for the given projection
<RT extends Comparable<?>> DateTimeSubQuery<RT>	unique(DateTimeExpression<RT> projection) Create a subquery expression for the given projection
SimpleSubQuery<Tuple>	unique(Expression<?>... args) Create a projection expression for the given projection
<RT> SimpleSubQuery<RT>	unique(Expression<RT> projection) Create a subquery expression for the given projection
<RT extends Number & Comparable<?>> NumberSubQuery<RT>	unique(NumberExpression<RT> projection) Create a subquery expression for the given projection
SimpleSubQuery<Tuple>	unique(Object... args) Create a projection expression for the given projection Non expression arguments are converted into constant expressions
BooleanSubQuery	unique(Predicate projection) Create a subquery expression for the given projection
StringSubQuery	unique(StringExpression projection) Create a subquery expression for the given projection
<RT extends Comparable<?>> TimeSubQuery<RT>	unique(TimeExpression<RT> projection) Create a subquery expression for the given projection

Method Detail

count

NumberSubQuery<Long> count()

Return the count of matched rows as a sub query

Returns:

exists

BooleanExpression exists()

Create an exists(this) expression

Returns:

list

ListSubQuery<Tuple> list(Expression<?>... args)

Create a projection expression for the given projection

Parameters:

args -

Returns:

list

ListSubQuery<Tuple> list(Object... args)

Create a projection expression for the given projection Non expression arguments are converted into constant expressions

Parameters:

args -

Returns:

list

<RT> ListSubQuery<RT> list(Expression<RT> projection)

Create a projection expression for the given projection

Type Parameters:

RT - generic type of the List

Parameters:

projection -

Returns:

a List over the projection

notExists

BooleanExpression notExists()

Create an not exists(this) expression

Returns:

unique

SimpleSubQuery<Tuple> unique(Expression<?>... args)

Create a projection expression for the given projection

Parameters:

args -

Returns:

unique

SimpleSubQuery<Tuple> unique(Object... args)

Create a projection expression for the given projection Non expression arguments are converted into constant expressions

Parameters:

args -

Returns:

unique

<RT> SimpleSubQuery<RT> unique(Expression<RT> projection)

Create a subquery expression for the given projection

Type Parameters:

RT - return type

Parameters:

projection -

Returns:

the result or null for an empty result

unique

BooleanSubQuery unique(Predicate projection)

Create a subquery expression for the given projection

Parameters:

projection -

Returns:

unique

StringSubQuery unique(StringExpression projection)

Create a subquery expression for the given projection

Parameters:

projection -

Returns:

unique

<RT extends Comparable<?>> ComparableSubQuery<RT> unique(ComparableExpression<RT> projection)

Create a subquery expression for the given projection

Type Parameters:

RT -

Parameters:

projection -

Returns:

unique

<RT extends Comparable<?>> DateSubQuery<RT> unique(DateExpression<RT> projection)

Create a subquery expression for the given projection

Type Parameters:

RT -

Parameters:

projection -

Returns:

unique

<RT extends Comparable<?>> DateTimeSubQuery<RT> unique(DateTimeExpression<RT> projection)

Create a subquery expression for the given projection

Type Parameters:

RT -

Parameters:

projection -

Returns:

unique

<RT extends Comparable<?>> TimeSubQuery<RT> unique(TimeExpression<RT> projection)

Create a subquery expression for the given projection

Type Parameters:

RT -

Parameters:

projection -

Returns:

unique

<RT extends Number & Comparable<?>> NumberSubQuery<RT> unique(NumberExpression<RT> projection)

Create a subquery expression for the given projection

Type Parameters:

RT -

Parameters:

projection -

Returns: