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javax.persistence.spi.PersistenceUnitTransactionType

javax.persistence.spi Enum PersistenceUnitTransactionType java.lang.Object java.lang.Enum<javax.persistence.spi.PersistenceUnitTransactionType> javax.persistence.spi ... > Specifies whether entity managers created by the javax.persistence.EntityManagerFactory will be JTA or
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javax.persistence.AssociationOverride

javax.persistence Annotation AssociationOverride Target: Classes and fields (including property ... column(s) being mapped to the persistent attribute(s). The join column(s) being mapped to the persistent attribute(s). The joinColumns elements must be specified if a foreign key mapping is used in
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javax.persistence.metamodel.MappedSuperclassType

javax.persistence.metamodel Interface MappedSuperclassType<X> Superinterfaces: IdentifiableType<X>, ManagedType<X>, Type<X> Instances of the type MappedSuperclassType represent mapped superclass ... the persistence type. Return the persistence type. Returns: persistence type Since: JPA 2.0 Set
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javax.persistence.NonUniqueResultException

javax.persistence Exception NonUniqueResultException java.lang.Object java.lang.Throwable java.lang.Exception java.lang.RuntimeException javax.persistence.PersistenceException javax.persistence.NonUniqueResultException Implemented
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javax.persistence.ManyToMany

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
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persist(entity)

Method javax.persistence.EntityManager void persist( Object entity ) Make an instance managed and persistent. Parameters: entity - entity instance Throws: EntityExistsException - if the entity already exists. (If the entity already exists, the EntityExistsException may be thrown when the persist
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javax.persistence.PessimisticLockException

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

javax.persistence Enum CacheStoreMode java.lang.Object java.lang.Enum<javax.persistence.CacheStoreMode> javax.persistence.CacheStoreMode Implemented Interfaces: Serializable, Comparable<CacheStoreMode> Used as the value of the javax.persistence.cache.storeMode property to specify
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javax.persistence.metamodel.Attribute

javax.persistence.metamodel Interface Attribute<X,Y> Subinterfaces: CollectionAttribute ... getPersistentAttributeType() Return the persistent attribute type for the attribute. Return the persistent attribute type for the attribute. Returns: persistent attribute type Since: JPA 2.0 boolean isAssociation
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javax.persistence.ManyToOne

javax.persistence Annotation ManyToOne Target: Fields (including property get methods) Defines ... on the persistence provider runtime that the associated entity must be eagerly fetched. The LAZY strategy is a hint to the persistence provider runtime. Default value: javax.persistence.FetchType.EAGER Since: JPA 1.0

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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