Fast Object Database for Java - with JPA/JDO support

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jdoPostLoad()

Method javax.jdo.listener.LoadCallback void jdoPostLoad() Called after the values are loaded from the data store into this instance. This method is not modified by the enhancer. Derived fields should be initialized in this method. The context in which this call is made does not allow access to other persistent JDO instances. Since: JDO 2.0
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InstanceLifecycleEvent.STORE

Static Field javax.jdo.listener.InstanceLifecycleEvent int STORE Since: JDO 2.0
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jdoPreAttach()

Method javax.jdo.listener.AttachCallback void jdoPreAttach() This method is called during the execution of javax.jdo.PersistenceManager.makePersistent on the detached instance before the copy is made. Since: JDO 2.0
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jdoPreDelete()

Method javax.jdo.listener.DeleteCallback void jdoPreDelete() Called before the instance is deleted. This method is called before the state transition to persistent-deleted or persistent-new-deleted. Access to field values within this call are valid. Access to field values
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InstanceLifecycleEvent.LOAD

Static Field javax.jdo.listener.InstanceLifecycleEvent int LOAD Since: JDO 2.0
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jdoPostAttach(attached)

Method javax.jdo.listener.AttachCallback void jdoPostAttach( Object attached ) This method is called during the execution of javax.jdo.PersistenceManager.makePersistent on the persistent instance after the copy is made. Parameters: attached - The corresponding (non-attached) instance
3

jdoPreClear()

Method javax.jdo.listener.ClearCallback void jdoPreClear() Called before the values in the instance are cleared. Transient fields should be cleared in this method. Associations between this instance and others in the runtime environment should be cleared. This method is not modified by the enhancer. Since: JDO 2.0
3

InstanceLifecycleEvent(source, type, target)

Constructor javax.jdo.listener.InstanceLifecycleEvent InstanceLifecycleEvent( Object source, int type, Object target ) Creates a new event object with the specified source, type, and target. Parameters: source - the instance that triggered the event type - the event type target - the "other" instance Since: JDO 2.0
3

preAttach(event)

Method javax.jdo.listener.AttachLifecycleListener void preAttach( InstanceLifecycleEvent event ) This method is called before a detached instance is attached, via the javax.jdo.PersistenceManager.makePersistent method. The source instance is the detached instance. This method is called before
3

InstanceLifecycleEvent(source, type)

Constructor javax.jdo.listener.InstanceLifecycleEvent InstanceLifecycleEvent( Object source, int type ) Creates a new event object with the specified source and type. Parameters: source - the instance that triggered the event type - the event type Since: JDO 2.0

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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