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javax.persistence Annotation Enumerated Target: Fields (including property get methods) Specifies that a persistent property or field should be persisted as a enumerated type. The Enumerated ... mapping an enum type. (Optional) The type used in mapping an enum type. Default value: javax.persistence.EnumType.ORDINAL Since: JPA 1.0


javax.persistence Annotation OneToOne Target: Fields (including property get methods) When using ... loaded or must be eagerly fetched. The EAGER strategy is a requirement on the persistence provider runtime that the associated entity must be eagerly fetched. The LAZY strategy is a hint to the persistence


javax.persistence.metamodel Interface IdentifiableType<X> Superinterfaces: ManagedType<X>, Type<X> Subinterfaces: EntityType, MappedSuperclassType Instances of the type IdentifiableType represent ... getPersistenceType() Return the persistence type. Return the persistence type. Returns: persistence type


javax.persistence Annotation ManyToMany Target: Fields (including property get methods) Defines ... is a requirement on the persistence provider runtime that the associated entities must be eagerly fetched. The LAZY strategy is a hint to the persistence provider runtime. Default value: javax


javax.persistence Exception PessimisticLockException java.lang.Object java.lang.Throwable java.lang.Exception java.lang.RuntimeException javax.persistence.PersistenceException javax.persistence.PessimisticLockException Implemented


javax.persistence Enum InheritanceType java.lang.Object java.lang.Enum<javax.persistence.InheritanceType> javax.persistence.InheritanceType Implemented Interfaces: Serializable, Comparable<InheritanceType> Defines inheritance strategy options. Since: JPA 1.0 InheritanceType JOINED


javax.persistence Interface Parameter<T> Subinterfaces: ParameterExpression Type for query ... is required to be supported for criteria queries only. Applications that use this method for Java Persistence ... of the parameter Throws: IllegalStateException - if invoked on a parameter obtained from a Java persistence query


javax.persistence Annotation PersistenceProperty Target: Describes a single container or persistence provider property. Used in PersistenceContext. Vendor specific properties may be included in the set of properties, and are passed to the persistence provider by the container when the entity


javax.persistence.metamodel Enum Attribute.PersistentAttributeType java.lang.Object java.lang.Enum<javax.persistence.metamodel.Attribute.PersistentAttributeType> javax.persistence.metamodel.Attribute.PersistentAttributeType Implemented Interfaces: Serializable, Comparable


Static Field javax.jdo.Constants String ELEMENT_PERSISTENCE_MANAGER_FACTORY The name of the persistence manager factory element in the JDO configuration file. Constant value is persistence-manager-factory. 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.

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