JPA Interface

FetchParent

Type Parameters:
<Z> - the source type
<X> - the target type

Represents an element of the from clause which may function as the parent of Fetches.
Since:
JPA 2.0

Public Methods

Fetch<X,Y> fetch(PluralAttribute<?superX,?,Y> attribute)
Create a fetch join to the specified collection-valued attribute using an inner join.
Parameters:
attribute - target of the join
Return:
the resulting join
Since:
JPA 2.0
Fetch<X,Y> fetch(PluralAttribute<?superX,?,Y> attribute, JoinType jt)
Create a fetch join to the specified collection-valued attribute using the given join type.
Parameters:
attribute - target of the join
jt - join type
Return:
the resulting join
Since:
JPA 2.0
Fetch<X,Y> fetch(SingularAttribute<?superX,Y> attribute)
Create a fetch join to the specified single-valued attribute using an inner join.
Parameters:
attribute - target of the join
Return:
the resulting fetch join
Since:
JPA 2.0
Fetch<X,Y> fetch(SingularAttribute<?superX,Y> attribute, JoinType jt)
Create a fetch join to the specified single-valued attribute using the given join type.
Parameters:
attribute - target of the join
jt - join type
Return:
the resulting fetch join
Since:
JPA 2.0
Fetch<X,Y> fetch(String attributeName)
Create a fetch join to the specified attribute using an inner join.
Parameters:
attributeName - name of the attribute for the target of the join
Return:
the resulting fetch join
Throws:
IllegalArgumentException - if attribute of the given name does not exist
Since:
JPA 2.0
Fetch<X,Y> fetch(String attributeName, JoinType jt)
Create a fetch join to the specified attribute using the given join type.
Parameters:
attributeName - name of the attribute for the target of the join
jt - join type
Return:
the resulting fetch join
Throws:
IllegalArgumentException - if attribute of the given name does not exist
Since:
JPA 2.0
Set<Fetch<X,?>> getFetches()
Return the fetch joins that have been made from this type.
Returns empty set if no fetch joins have been made from this type. Modifications to the set do not affect the query.
Return:
fetch joins made from this type
Since:
JPA 2.0