Fast Object Database for Java - with JPA/JDO support

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


javax.persistence.criteria Interface ParameterExpression Superinterfaces: ExpressionPersistence query language queries and native ... - if invoked on a parameter obtained from a Java persistence query language query or native query


javax.persistence Interface Parameter 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 NamedQueries Target: Classes Specifies multiple named Java Persistence query language queries. Query names are scoped to the persistence unit. The NamedQueries annotation can be applied to an entity or mapped superclass. Since: JPA 1.0 See Also: NamedQuery Learn


javax.persistence.spi Interface ProviderUtil Utility interface implemented by the persistence provider. This interface is invoked by the javax.persistence.PersistenceUtil implementation to determine the load status of an entity or entity attribute. Since: JPA 2.0 LoadState isLoaded(Object entity


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


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 Annotation AttributeOverride Target: Classes and fields (including property ... (Required) The column that is being mapped to the persistent attribute. (Required) The column that is being mapped to the persistent attribute. The mapping type will remain the same as is defined in


javax.persistence.spi Enum LoadState java.lang.Object java.lang.Enumpersistence.spi.LoadState> javax.persistence.spi.LoadState Implemented Interfaces: Serializable, Comparable Load states returned by the ProviderUtil SPI methods. Since: JPA 2.0 LoadState LOADED


Annotation Element javax.jdo.annotations.Persistent String table Table to use for persisting this member. Returns: the table to use for persisting this member 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.

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