Subgraph<?extendsX> addKeySubgraph(
Attribute<T,X> attribute,
Class<?extendsX> type
)
Add a node to the graph that corresponds to a map key that is a managed type with inheritance. This allows for construction of multi-node entity graphs that include related managed types. Subclass subgraphs will automatically include the specified attributes of superclass subgraphs
- Parameters:
attribute- attributetype- entity subclass
- Return:
- subgraph for the attribute
- Throws:
- IllegalArgumentException - if the attribute's target type is not a managed type entity
- IllegalStateException - if this EntityGraph has been statically defined
- Since:
- JPA 2.1