com.mysema.query.types
Interface SubQuery<T>

Type Parameters:

T -

All Known Implementing Classes:

BooleanSubQuery, ComparableSubQuery, DateSubQuery, DateTimeSubQuery, ListSubQuery, NumberSubQuery, ObjectSubQuery, StringSubQuery, SubQueryMixin, TimeSubQuery

public interface SubQuery<T>

SubQuery represents a sub query. The actual construction of a subquery is done via an Detachable instance.

Version:

$Id$

Author:

tiwe

Method Summary

Expr<T>	as(Path<T> alias) Create an alias for the query
Expr<T>	asExpr() Cast to Expr
EBoolean	exists() Get an exists(this) expression for the subquery
QueryMetadata	getMetadata() Get the query metadata for the subquery
EBoolean	notExists() Get a not exists(this) expression for the subquery

Method Detail

exists

EBoolean exists()

Get an exists(this) expression for the subquery

Returns:

getMetadata

QueryMetadata getMetadata()

Get the query metadata for the subquery

Returns:

notExists

EBoolean notExists()

Get a not exists(this) expression for the subquery

Returns:

asExpr

Expr<T> asExpr()

Cast to Expr

Returns:

as

Expr<T> as(Path<T> alias)

Create an alias for the query

Parameters:

alias -

Returns: