public class FromSubqueryResolver extends Resolver
Resolver
wraps a subquery that is used as the "root" object in a query's declaration.
Example:
SELECT e.firstName
FROM Employee e, (SELECT count(e2), e2.firstName FROM Employee e2) e3
WHERE e.firstName = e3.firstName
Constructor and Description |
---|
FromSubqueryResolver(Resolver parent,
JPQLQueryContext queryContext,
SimpleSelectStatement subquery)
Creates a new
FromSubqueryResolver . |
Modifier and Type | Method and Description |
---|---|
IManagedType |
getManagedType()
Returns the
IManagedType associated with the field handled by this Resolver . |
addChild, getChild, getMapping, getParent, getParentManagedType, getParentMapping, getParentType, getParentTypeDeclaration, getProvider, getQuery, getType, getType, getType, getTypeDeclaration, getTypeHelper, getTypeRepository, isNullAllowed, setNullAllowed
public FromSubqueryResolver(Resolver parent, JPQLQueryContext queryContext, SimpleSelectStatement subquery)
FromSubqueryResolver
.parent
- The parent of this resolver, which is never null
queryContext
- The context used to query information about the application metadata and
cached informationsubquery
- java.lang.NullPointerException
- If the parent is null
public IManagedType getManagedType()
IManagedType
associated with the field handled by this Resolver
.
If this Resolver
does not handle a field that has a IManagedType
, then
null
should be returned.
For example: "SELECT e FROM Employee e
", the Resolver
for
e would be returning the IManagedType
for Employee.
getManagedType
in class Resolver
IManagedType
, if it could be resolved; null
otherwiseEclipseLink 2.6.3, "build v20160428-59c81c5" API Reference