Fast Object Database for Java - with JPA/JDO support

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javax.persistence Enum FlushModeType java.lang.Object java.lang.Enumpersistence.FlushModeType> javax.persistence.FlushModeType Implemented Interfaces: Serializable, Comparable ... .AUTO is set on the Query or TypedQuery object, or if the flush mode setting for the persistence context


javax.persistence Enum PessimisticLockScope java.lang.Object java.lang.Enumpersistence.PessimisticLockScope> javax.persistence.PessimisticLockScope Implemented Interfaces: Serializable, Comparable Defines the values of the javax.persistence.lock.scope


javax.persistence Interface Query Subinterfaces: TypedQuery Interface used to control query ... : IllegalStateException - if called for a Java Persistence query language SELECT statement or for a criteria ... : IllegalStateException - if the query is found not to be a Java Persistence query language SELECT query or


javax.persistence Exception EntityExistsException java.lang.Object java.lang.Throwable java.lang.Exception java.lang.RuntimeException javax.persistence.PersistenceException javax.persistence.EntityExistsException Implemented Interfaces


javax.persistence Enum CascadeType java.lang.Object java.lang.Enumpersistence.CascadeType> javax.persistence.CascadeType Implemented Interfaces: Serializable, Comparable ... cascade=ALL is equivalent to cascade={PERSIST, MERGE, REMOVE, REFRESH, DETACH}. Since: JPA 1.0


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


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


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 The use of the Basic annotation is optional for persistent


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


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

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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