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22

javax.persistence.PersistenceUnits

javax.persistence Annotation PersistenceUnits Target: Classes Declares one or more PersistenceUnit annotations. Since: JPA 1.0 PersistenceUnit[] value (Required) One or more PersistenceUnit annotations. (Required) One or more PersistenceUnit annotations. Since: JPA 1.0
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javax.persistence.SqlResultSetMappings

javax.persistence Annotation SqlResultSetMappings Target: Classes Is used to define one or more SqlResultSetMapping annotations. Since: JPA 1.0 SqlResultSetMapping[] value One or more SqlResultSetMapping annotations. One or more SqlResultSetMapping annotations. Since: JPA 1.0
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javax.persistence.JoinColumn

javax.persistence Annotation JoinColumn Target: Fields (including property get methods) Specifies a column for joining an entity association or element collection. If the JoinColumn annotation ... entity. When used inside a JoinTable annotation, the referenced key column is in the entity table
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javax.persistence.PrePersist

javax.persistence Annotation PrePersist Target: Callback methods Is used to specify callback methods for the corresponding lifecycle event. This annotation may be applied to methods of an entity ... callback methods in Chapter 3 of the ObjectDB/JPA manual. This annotation is a marker annotation (with no elements).
2

PersistenceCapable.members

Annotation Element javax.jdo.annotations.PersistenceCapable Persistent[] members Member declarations. Annotations for persistent members of this class or interface can be specifed either here or on each member. Annotations for inherited members can only be specified here. Returns: member declarations Default value: {} Since: JDO 2.1
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Persistent.persistenceModifier

Annotation Element javax.jdo.annotations.Persistent PersistenceModifier persistenceModifier ... or @NotPersistent annotation is specified directly on the member. One possible use for specifying ... modifier Default value: javax.jdo.annotations.PersistenceModifier.UNSPECIFIED Since: JDO 2.1
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javax.jdo.annotations.DiscriminatorStrategy

javax.jdo.annotations Enum DiscriminatorStrategy java.lang.Object java.lang.Enum<javax.jdo.annotations.DiscriminatorStrategy> javax.jdo.annotations.DiscriminatorStrategy Implemented Interfaces: Serializable, Comparable<DiscriminatorStrategy> Enumeration of the discriminator strategy
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Value.deleteAction

Annotation Element javax.jdo.annotations.Value ForeignKeyAction deleteAction Delete action to apply to any foreign key for the value. Returns: delete action to apply to any foreign key for the value Default value: javax.jdo.annotations.ForeignKeyAction.UNSPECIFIED Since: JDO 2.1
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Key.deleteAction

Annotation Element javax.jdo.annotations.Key ForeignKeyAction deleteAction Delete action to apply to the foreign key for the key. Returns: delete action to apply to the foreign key for the key Default value: javax.jdo.annotations.ForeignKeyAction.UNSPECIFIED Since: JDO 2.1
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javax.jdo.annotations.VersionStrategy

javax.jdo.annotations Enum VersionStrategy java.lang.Object java.lang.Enum<javax.jdo.annotations.VersionStrategy> javax.jdo.annotations.VersionStrategy Implemented Interfaces: Serializable, Comparable<VersionStrategy> Enumeration of the version strategy values. 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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