ObjectDB ObjectDB

Internal Website Search

171-180 of 200 resultsRefresh


javax.persistence.criteria Interface Predicate Superinterfaces: Expression<Boolean>, Selection<Boolean>, TupleElement<Boolean> Subinterfaces: In The type of a simple or compound predicate: a conjunction or disjunction of restrictions. A simple predicate is considered to be a conjunction


javax.persistence.criteria Interface Root<X> Superinterfaces: Expression<X>, FetchParent<X,X>, From<X,X>, Path<X>, Selection<X>, TupleElement<X> A root type in the from clause. Query roots always reference entities. Since: JPA 2.0 Learn how to use JPA criteria API's Root in Chapter 4


javax.persistence.criteria Interface PluralJoin<Z,C,E> Superinterfaces: Expression<E>, FetchParent<Z,E>, From<Z,E>, Join<Z,E>, Path<E>, Selection<E>, TupleElement<E> Subinterfaces: CollectionJoin, ListJoin, MapJoin, SetJoin The PluralJoin interface defines functionality that is common to joins


javax.persistence Annotation JoinTable Target: Fields (including property get methods) Used in the mapping of associations. It is specified on the owning side of an association. A join table is typically used in the mapping of many-to-many and unidirectional one-to-many associations


javax.persistence.criteria Interface Selection<X> Superinterfaces: TupleElement<X> Subinterfaces: CollectionJoin, CompoundSelection, Case, Coalesce, In, SimpleCase, Expression, From, Join, ListJoin, MapJoin, ParameterExpression, Path, PluralJoin, Predicate, Root, SetJoin, Subquery The Selection


javax.persistence.metamodel Interface Bindable<T> Subinterfaces: CollectionAttribute, EntityType, ListAttribute, MapAttribute, PluralAttribute, SetAttribute, SingularAttribute Instances of the type Bindable represent object or attribute types that can be bound into a Path. Since: JPA 2.0 Class<T


Annotation Element javax.jdo.annotations.Persistent String embeddedElement Whether the elements of this member are embedded. Returns: whether the elements of this member are embedded Default value: "" Since: JDO 2.1


Annotation Element javax.jdo.annotations.Persistent String embedded Whether this member is embedded. Returns: whether this member is embedded Default value: "" Since: JDO 2.1


Annotation Element javax.jdo.annotations.Persistent IdGeneratorStrategy valueStrategy Value strategy to use to generate the value for this field or property (if any). Returns: the generated value strategy Default value: javax.jdo.annotations.IdGeneratorStrategy.UNSPECIFIED Since: JDO 2.1


Annotation Element javax.jdo.annotations.Persistent String dependentValue Whether the values of this member are dependent. Returns: whether the values of this member are dependent Default value: "" Since: JDO 2.1

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support