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isPersistent(pc)

whether the parameter instance is persistent. Instances that represent persistent objects in the data store return ... not recognized by the implementation return null. Parameters: pc - the instance. Returns: Boolean.TRUE if the parameter instance is persistent. Since: JDO 2.0 See Also: PersistenceManager.makePersistent(Object pc) PersistenceCapable.jdoIsPersistent()
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isNew(pc)

Method javax.jdo.spi.StateInterrogation Boolean isNew( Object pc ) Tests whether the parameter ... . Instances not recognized by the implementation return null. Parameters: pc - the instance. Returns: Boolean.TRUE if the parameter instance was made persistent in the current transaction. Since: JDO 2
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isTransactional(pc)

whether the parameter instance is transactional. Instances whose state is associated with the current transaction ... .FALSE. Instances not recognized by the implementation return null. Parameters: pc - the instance. Returns: Boolean.TRUE if the parameter instance is transactional. Since: JDO 2.0 See Also: PersistenceCapable.jdoIsTransactional()
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detachCopyAll(pcs)

the pcs parameter. The state of fields in the affected instances is as specified by the FetchPlan ... []). The detached instances will be unmanaged copies of the specified parameters, and are suitable for serialization ... instances must either be in the default-fetch-group, or in the current custom FetchPlan. Parameters: pcs
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getObjectId(pc)

Method javax.jdo.spi.StateInterrogation Object getObjectId( Object pc ) Return a copy of the JDO identity associated with the parameter instance. Persistent instances of PersistenceCapable classes ... . Parameters: pc - the instance. Returns: a copy of the ObjectId of the parameter instance as
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getTransactionalObjectId(pc)

Method javax.jdo.spi.StateInterrogation Object getTransactionalObjectId( Object pc ) Return a copy of the JDO identity associated with the parameter instance. Instances unknown by the implementation return null. Parameters: pc - the instance. Returns: a copy of the ObjectId of the parameter
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isDeleted(pc)

Method javax.jdo.spi.StateInterrogation Boolean isDeleted( Object pc ) Tests whether the parameter ... recognized by the implementation return null. Parameters: pc - the instance. Returns: Boolean.TRUE if the parameter instance was deleted in the current transaction. Since: JDO 2.0
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getVersion(pc)

Method javax.jdo.spi.StateInterrogation Object getVersion( Object pc ) Return the version of the parameter instance. Instances unknown by the implementation return null. Parameters: pc - the instance. Returns: a copy of the ObjectId of the parameter instance as modified in this transaction. Since: JDO 2.0 See Also: PersistenceCapable.jdoGetVersion()
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isDirty(pc)

Method javax.jdo.spi.StateInterrogation Boolean isDirty( Object pc ) Tests whether the parameter instance is dirty. Instances that have been modified, deleted, newly made persistent in the current ... . Parameters: pc - the instance. Returns: Boolean.TRUE if the parameter instance has been modified in
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isDetached(pc)

Method javax.jdo.spi.StateInterrogation Boolean isDetached( Object pc ) Tests whether the parameter instance is detached. Instances that are detached return Boolean.TRUE. Instances known by ... return null. Parameters: pc - the instance. Returns: Boolean.TRUE if the parameter instance

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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