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2

remove(entity)

an entity or is a detached entity TransactionRequiredException - if invoked on a container-managed entity manager of type PersistenceContextType.TRANSACTION and there is no transaction Since: JPA 1.0
2

refresh(entity, lockMode)

is not managed TransactionRequiredException - if there is no transaction and if invoked on a container-managed EntityManager instance with PersistenceContextType.TRANSACTION or with a lock mode
2

getDeclaredSingularAttribute(name)

Method javax.persistence.metamodel.ManagedType SingularAttribute<X,?> getDeclaredSingularAttribute( String name ) Return the single-valued attribute declared by the managed type that corresponds ... name is not declared in the managed type Since: JPA 2.0
2

getDeclaredPluralAttributes()

Method javax.persistence.metamodel.ManagedType Set<PluralAttribute<X,?,?>> getDeclaredPluralAttributes() Return all multi-valued attributes (Collection-, Set-, List-, and Map-valued attributes) declared by the managed type. Returns empty set if the managed type has no declared multi-valued
2

getDeclaredSingularAttributes()

Method javax.persistence.metamodel.ManagedType Set<SingularAttribute<X,?>> getDeclaredSingularAttributes() Return the single-valued attributes declared by the managed type. Returns empty set if the managed type has no declared single-valued attributes. Returns: declared single-valued attributes Since: JPA 2.0
2

javax.persistence.metamodel.CollectionAttribute

the managed type representing the type in which the attribute was declared. Return the managed type
2

getSingularAttribute(name, type)

Method javax.persistence.metamodel.ManagedType SingularAttribute<?,Y> getSingularAttribute( String name, Class<Y> type ) Return the single-valued attribute of the managed type that corresponds ... : IllegalArgumentException - if attribute of the given name and type is not present in the managed type Since: JPA 2.0
2

getSet(name, elementType)

Method javax.persistence.metamodel.ManagedType SetAttribute<?,E> getSet( String name, Class<E> elementType ) Return the Set-valued attribute of the managed type that corresponds to the specified name ... Throws: IllegalArgumentException - if attribute of the given name and type is not present in the managed type Since: JPA 2.0
2

javax.persistence.metamodel.ListAttribute

: collection type Since: JPA 2.0 ManagedType<X> getDeclaringType() Return the managed type representing the type in which the attribute was declared. Return the managed type representing the type in
0

jdoCopyKeyFieldsFromObjectId(fm, oid)

is generated in the PersistenceCapable class to generate a call to the field manager for each key ... : fm - the field manager that receives the field values. oid - the ObjectId source of the copy. Since: JDO 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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