org.hibernate.annotations
Annotation Type Any


@Target(value={METHOD,FIELD})
@Retention(value=RUNTIME)
public @interface Any

Define a ToOne association pointing to several entity types. Matching the according entity type is doe through a metadata discriminator column This kind of mapping should be only marginal.


Required Element Summary
 Column metaColumn
          Metadata discriminator column description, This column will hold the meta value corresponding to the targeted entity.
 
Optional Element Summary
 FetchType fetch
          Defines whether the value of the field or property should be lazily loaded or must be eagerly fetched.
 String metaDef
          Metadata definition used.
 boolean optional
          Whether the association is optional.
 

Element Detail

metaColumn

public abstract Column metaColumn
Metadata discriminator column description, This column will hold the meta value corresponding to the targeted entity.

metaDef

public abstract String metaDef
Metadata definition used. If defined, should point to a @AnyMetaDef name If not defined, the local (ie in the same field or property) @AnyMetaDef is used

Default:
""

fetch

public abstract FetchType fetch
Defines whether the value of the field or property should be lazily loaded or must be eagerly fetched. The EAGER strategy is a requirement on the persistence provider runtime that the value must be eagerly fetched. The LAZY strategy is applied when bytecode enhancement is used. If not specified, defaults to EAGER.

Default:
javax.persistence.FetchType.EAGER

optional

public abstract boolean optional
Whether the association is optional. If set to false then a non-null relationship must always exist.

Default:
true


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