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12

javax.persistence.criteria.FetchParent

which may function as the parent of Fetches. Since: JPA 2.0 Fetch<X,Y> fetch(String attributeName) Create ... name does not exist Since: JPA 2.0 Fetch<X,Y> fetch(String attributeName, JoinType jt) Create a fetch ... - if attribute of the given name does not exist Since: JPA 2.0 Fetch<X,Y> fetch( PluralAttribute<?,?,Y
12

javax.persistence.PessimisticLockException

transaction, if one is active, will be marked for rollback. Since: JPA 2.0 PessimisticLockException ... PessimisticLockException exception with null as its detail message. Since: JPA 2.0 ... . Parameters: message - the detail message. Since: JPA 2.0 PessimisticLockException(Object entity) Constructs
12

coalesce()

expression. Returns: coalesce expression Since: JPA 2.0 Selection<X> alias(String name) Assigns an alias ... Since: JPA 2.0 String getAlias() Return the alias assigned to the tuple element or null, if no alias ... has been assigned. Returns: alias Since: JPA 2.0 List< Selection<?>> getCompoundSelectionItems() Return
12

javax.persistence.JoinTable

"), inverseJoinColumns= @JoinColumn(name="PHONE_ID", referencedColumnName="ID") ) Since: JPA 1.0 ... ) The catalog of the table. Defaults to the default catalog. Default value: "" Since: JPA 1.0 JoinColumn ... : {} Since: JPA 1.0 JoinColumn[] joinColumns (Optional) The foreign key columns of the join table
12

javax.persistence.CascadeType

cascade=ALL is equivalent to cascade={PERSIST, MERGE, REMOVE, REFRESH, DETACH}. Since: JPA 1.0 CascadeType ALL Cascade all operations Cascade all operations Since: JPA 1.0 CascadeType DETACH Cascade detach operation Cascade detach operation Since: JPA 2.0 CascadeType MERGE Cascade merge operation
12

javax.persistence.metamodel.Metamodel

entities in the persistence unit. Since: JPA 2.0 EmbeddableType<X> embeddable(Class<X> cls) Return ... Since: JPA 2.0 EntityType<X> entity(Class<X> cls) Return the metamodel entity type representing ... an entity Since: JPA 2.0 Set< EmbeddableType<?>> getEmbeddables() Return the metamodel embeddable types
12

javax.persistence.OneToOne

") Employee assignedTo; ... } Since: JPA 1.0 Post comment by ObjectDB CascadeType ... are cascaded. Default value: {} Since: JPA 1.0 FetchType fetch (Optional) Whether the association ... provider runtime. Default value: javax.persistence.FetchType.EAGER Since: JPA 1.0 String mappedBy
12

javax.persistence.Parameter

parameter objects. Since: JPA 2.0 See Also: Query TypedQuery Learn how to define and use JPA/JPQL queries in Chapter 4 of the ObjectDB/JPA manual. String getName() Return the parameter name, or null ... Since: JPA 2.0 Class<T> getParameterType() Return the Java type of the parameter. Return the Java type
12

javax.persistence.SharedCacheMode

the result of javax.persistence.spi.PersistenceUnitInfo.getSharedCacheMode(). Since: JPA 2.0 ... -related state and data are cached. Since: JPA 2.0 SharedCacheMode DISABLE_SELECTIVE Caching is enabled ... ) is specified are not cached. Since: JPA 2.0 SharedCacheMode ENABLE_SELECTIVE Caching is enabled
12

javax.persistence.GenerationType

, Comparable<GenerationType> Defines the types of primary key generation strategies. Since: JPA 1.0 ... /JPA manual. GenerationType AUTO Indicates that the persistence provider should pick an appropriate ... resource at runtime. Since: JPA 1.0 GenerationType IDENTITY Indicates that the persistence provider

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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