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getPersistenceManagerFactory(overrides, name, resourceLoader, pmfLoader)

Static Method javax.jdo.JDOHelper PersistenceManagerFactory getPersistenceManagerFactory( Map overrides, String name, ClassLoader resourceLoader, ClassLoader pmfLoader ) Returns a PersistenceManagerFactory configured based on the properties stored in the resource at name, or, if not found, returns
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getPersistenceManagerFactory(stream, loader)

Static Method javax.jdo.JDOHelper PersistenceManagerFactory getPersistenceManagerFactory( InputStream stream, ClassLoader loader ) Returns a PersistenceManagerFactory configured based on the Properties stored in the input stream at stream. Creates a PersistenceManagerFactory with loader. Any
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getPersistenceManagerFactory(stream)

Static Method javax.jdo.JDOHelper PersistenceManagerFactory getPersistenceManagerFactory( InputStream stream ) Returns a PersistenceManagerFactory configured based on the Properties stored in the input stream at stream. This method is equivalent to invoking getPersistenceManagerFactory(InputStream
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getObjectId(pc)

the application, and those that are managed by the data store. If the object identity is being changed in
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getPersistenceManagerFactory(propsFile, loader)

Static Method javax.jdo.JDOHelper PersistenceManagerFactory getPersistenceManagerFactory( File propsFile, ClassLoader loader ) Returns a PersistenceManagerFactory configured based on the properties stored in the file at propsFile. Creates a PersistenceManagerFactory with loader. Any IOExceptions or
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getPersistenceManagerFactory(propsFile)

Static Method javax.jdo.JDOHelper PersistenceManagerFactory getPersistenceManagerFactory( File propsFile ) Returns a PersistenceManagerFactory configured based on the properties stored in the file at propsFile. This method is equivalent to invoking getPersistenceManagerFactory(File,ClassLoader
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flush()

Method javax.jdo.PersistenceManager void flush() Flushes all dirty, new, and deleted instances to the data store. It has no effect if a transaction is not active. If a datastore transaction is active, this method synchronizes the cache with the datastore and reports any exceptions. If an optimistic
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retrieveAll(useFetchPlan, pcs)

Method javax.jdo.PersistenceManager void retrieveAll( boolean useFetchPlan, Object... pcs ) Retrieve field values of instances from the store. This tells the PersistenceManager that the application intends to use the instances, and their field values should be retrieved. The fields in the current
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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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jdoIsPersistent()

Method javax.jdo.spi.PersistenceCapable boolean jdoIsPersistent() Tests whether this object is persistent. Instances that represent persistent objects in the data store return true. Returns: true if this instance is persistent. Since: JDO 1.0 See Also: javax.jdo.JDOHelper.isPersistent(Object pc) PersistenceManager.makePersistent(Object pc)

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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