24 | javax.persistence.Versionjavax.persistence Annotation Version Target: Fields (including property get methods) Specifies the version field or property of an entity class that serves as its optimistic lock value. The version is used to ensure integrity when performing the merge operation and for optimistic concurrency |
24 | javax.persistence.criteria.MapJoinjavax.persistence.criteria Interface MapJoin<Z,K,V> Superinterfaces: Expression<V>, FetchParent<Z,V>, From<Z,V>, Join<Z,V>, Path<V>, PluralJoin<Z,Map<K,V>,V>, Selection<V>, TupleElement<V> The MapJoin interface is the type of the result of joining to a collection over an association or element |
24 | javax.persistence.Idjavax.persistence Annotation Id Target: Fields (including property get methods) Specifies the primary key of an entity. The field or property to which the Id annotation is applied should be one of the following types: any Java primitive type; any primitive wrapper type; String; java.util.Date; java |
24 | javax.persistence.criteria.Orderjavax.persistence.criteria Interface Order An object that defines an ordering over the query results. Since: JPA 2.0 Learn how to use JPA Criteria API's Order in Chapter 4 of the ObjectDB/JPA manual. Expression<?> getExpression() Return the expression that is used for ordering. Return |
24 | javax.persistence.UniqueConstraintjavax.persistence Annotation UniqueConstraint Target: Specifies that a unique constraint is to be included in the generated DDL for a primary or secondary table. Example: @Entity @Table( name="EMPLOYEE", uniqueConstraints= @UniqueConstraint(columnNames={"EMP_ID |
2 | ObjectState.PERSISTENT_DIRTYEnum Constant javax.jdo.ObjectState PERSISTENT_DIRTY Since: JDO 1.0 |
2 | Persistent.extensionsAnnotation Element javax.jdo.annotations.Persistent Extension[] extensions Vendor extensions for this member. Returns: the vendor extensions Default value: {} Since: JDO 2.1 |
2 | ObjectState.PERSISTENT_DELETEDEnum Constant javax.jdo.ObjectState PERSISTENT_DELETED Since: JDO 1.0 |
2 | Persistent.embeddedValueAnnotation Element javax.jdo.annotations.Persistent String embeddedValue Whether the values of this member are embedded. Returns: whether the values of this member are embedded Default value: "" Since: JDO 2.1 |
2 | ObjectState.PERSISTENT_CLEANEnum Constant javax.jdo.ObjectState PERSISTENT_CLEAN Since: JDO 1.0 |
