Fast Object Database for Java - with JPA/JDO support

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getPersistenceManagerFactory()

Method javax.jdo.PersistenceManager PersistenceManagerFactory getPersistenceManagerFactory() This method returns the PersistenceManagerFactory used to create this PersistenceManager. Returns: the PersistenceManagerFactory that created this PersistenceManager Since: JDO 1.0
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retrieveAll(pcs)

Method javax.jdo.PersistenceManager void retrieveAll( Collection pcs ) Retrieve field values of instances from the store. This tells the PersistenceManager that the application intends to use the instances, and all field values must be retrieved. The PersistenceManager might use policy information
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makeTransientAll(pcs, useFetchPlan)

Method javax.jdo.PersistenceManager void makeTransientAll( Collection pcs, boolean useFetchPlan ) Make instances transient, removing them from management by this PersistenceManager ... instance(s) lose their JDO identity and are no longer associated with any PersistenceManager
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retrieve(pc)

Method javax.jdo.PersistenceManager void retrieve( Object pc ) Retrieve field values of an instance from the store. This tells the PersistenceManager that the application intends to use the instance, and its field values must be retrieved. The PersistenceManager might use policy information
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makeTransientAll(pcs, useFetchPlan)

Method javax.jdo.PersistenceManager void makeTransientAll( Object[] pcs, boolean useFetchPlan ) Make instances transient, removing them from management by this PersistenceManager. If the useFetchPlan ... instance(s) lose their JDO identity and are no longer associated with any PersistenceManager. The state
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getMultithreaded()

Method javax.jdo.PersistenceManager boolean getMultithreaded() Get the current Multithreaded flag for this PersistenceManager. Returns: the Multithreaded setting. Since: JDO 1.0 See Also: setMultithreaded
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getIgnoreCache()

Method javax.jdo.PersistenceManager boolean getIgnoreCache() Get the ignoreCache setting for queries. IgnoreCache set to true specifies that for all Query instances created by this PersistenceManager, the default is the cache should be ignored for queries. Returns: the ignoreCache setting. Since: JDO 1.0
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getExtent(persistenceCapableClass, subclasses)

Method javax.jdo.PersistenceManager Extent getExtent( Class persistenceCapableClass, boolean subclasses ) The PersistenceManager manages a collection of instances in the data store based on the class of the instances. This method returns an Extent of instances in the data store
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getFetchPlan()

Method javax.jdo.PersistenceManager FetchPlan getFetchPlan() Returns the FetchPlan used by this PersistenceManager. Returns: the FetchPlan Since: JDO 2.0
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detachCopyAll(pcs)

Method javax.jdo.PersistenceManager Collection detachCopyAll( Collection pcs ) Detach the specified instances from the PersistenceManager. The flags for detachment (DETACH_LOAD_FIELDS and DETACH_UNLOAD_FIELDS) and the active fetch groups determine the scope of fetching for the graph

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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