Fast Object Database for Java - with JPA/JDO support

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47

getObjectId(pc)

Method javax.jdo.PersistenceManager Object getObjectId( Object pc ) The ObjectId returned by ... instance. The identity is guaranteed to be unique only in the context of the JDO PersistenceManager ... instances associated with the PersistenceManager regardless of the type of ObjectId. The ObjectId does not
46

makeTransientAll(pcs)

Method javax.jdo.PersistenceManager void makeTransientAll( Collection pcs ) Make a Collection of instances transient, removing them from management by this PersistenceManager. The instances lose their JDO identity and they are no longer associated with any PersistenceManager. The state of fields
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getObjectById(oid, validate)

Method javax.jdo.PersistenceManager Object getObjectById( Object oid, boolean validate ) This method locates a persistent instance in the cache of instances managed by this PersistenceManager ... getTransactionalObjectId, or might have been constructed by the application. If the PersistenceManager is unable
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makeTransient(pc, useFetchPlan)

Method javax.jdo.PersistenceManager void makeTransient( Object pc, boolean useFetchPlan ) Make an instance transient, removing it from management by this PersistenceManager. If the useFetchPlan ... ) lose their JDO identity and are no longer associated with any PersistenceManager. The state of fields
46

makeTransient(pc)

Method javax.jdo.PersistenceManager void makeTransient( Object pc ) Make an instance transient, removing it from management by this PersistenceManager. The instance loses its JDO identity and it is no longer associated with any PersistenceManager. The state of fields is preserved unchanged
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isClosed()

Method javax.jdo.PersistenceManager boolean isClosed() A PersistenceManager instance can be used until it is closed. Returns: true if this PersistenceManager has been closed. Since: JDO 1.0 See Also: close()
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retrieveAll(pcs)

Method javax.jdo.PersistenceManager void retrieveAll( Object... 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(useFetchPlan, pcs)

Method javax.jdo.PersistenceManager void makeTransientAll( boolean useFetchPlan, Object... pcs ) Make instances transient, removing them from management by this PersistenceManager ... instance(s) lose their JDO identity and are no longer associated with any PersistenceManager
46

makeTransientAll(pcs)

Method javax.jdo.PersistenceManager void makeTransientAll( Object... pcs ) Make an array of instances transient, removing them from management by this PersistenceManager. The instances lose their JDO identity and they are no longer associated with any PersistenceManager. The state of fields
46

evict(pc)

Method javax.jdo.PersistenceManager void evict( Object pc ) Mark an instance as no longer needed in the cache. Eviction is normally done automatically by the PersistenceManager at transaction completion. This method allows the application to explicitly provide a hint to the PersistenceManager

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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