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javax.persistence.PersistenceUtil

javax.persistence Interface PersistenceUtil Subinterfaces: PersistenceUnitUtil Utility interface between the application and the persistence provider(s). The PersistenceUtil interface instance obtained from the Persistence class is used to determine the load state of an entity or entity attribute
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javax.persistence.Column

javax.persistence Annotation Column Target: Fields (including property get methods) Is used to specify the mapped column for a persistent property or field. If no Column annotation is specified ... ) Whether the column is included in SQL INSERT statements generated by the persistence provider. (Optional
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javax.persistence.Basic

javax.persistence Annotation Basic Target: Fields (including property get methods) The simplest type of mapping to a database column. The Basic annotation can be applied to a persistent property or ... other type that implements java.io.Serializable. The use of the Basic annotation is optional for persistent
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javax.persistence.LockModeType

javax.persistence Enum LockModeType java.lang.Object java.lang.Enum<javax.persistence.LockModeType> javax.persistence.LockModeType Implemented Interfaces: Serializable, Comparable ... .persistence.EntityManager methods that take locks ( lock, find, or refresh) or to the Query
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javax.persistence.MapKey

javax.persistence Annotation MapKey Target: Fields (including property get methods) Specifies ... a persistent field or property of the entity that is the value of the map. If a persistent field or property ... String name (Optional) The name of the persistent field or property of the associated entity
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javax.persistence.metamodel.SingularAttribute

javax.persistence.metamodel Interface SingularAttribute<X,T> Superinterfaces: Attribute<X,T>, Bindable<T> Instances of the type SingularAttribute represents persistent single-valued properties or ... .0 PersistentAttributeType getPersistentAttributeType() Return the persistent attribute type
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javax.persistence.MapKeyJoinColumn

javax.persistence Annotation MapKeyJoinColumn Target: Fields (including property get methods ... generated by the persistence provider. (Optional) Whether the column is included in SQL INSERT statements generated by the persistence provider. Default value: true Since: JPA 2.0 String name (Optional
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javax.persistence.metamodel.MapAttribute

javax.persistence.metamodel Interface MapAttribute<X,K,V> Superinterfaces: Attribute<X,Map<K,V>>, Bindable<V>, PluralAttribute<X,Map<K,V>,V> Instances of the type MapAttribute represent persistent ... getPersistentAttributeType() Return the persistent attribute type for the attribute. Return the persistent
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javax.persistence.GeneratedValue

javax.persistence Annotation GeneratedValue Target: Fields (including property get methods ... TableGenerator annotation. Defaults to the id generator supplied by persistence provider. Default value ... that the persistence provider must use to generate the annotated entity primary key. (Optional) The primary key
0

Persistent.persistenceModifier

Annotation Element javax.jdo.annotations.Persistent PersistenceModifier persistenceModifier ... persistenceModifier is for embedded instances in which a member is not persistent but in the non-embedded instances the member is persistent. Note that it is not portable to specify a member to be not

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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