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getObjectIds(pcs)

Static Method javax.jdo.JDOHelper Object[] getObjectIds( Object[] pcs ) Get object ids for an array of instances. For each instance in the parameter, the getObjectId method is called. This method returns one identity instance for each element in the parameter. The order of instances of the returned
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getVersion(pc)

Static Method javax.jdo.JDOHelper Object getVersion( Object pc ) Return the version of the instance. Parameters: pc - the instance Returns: the version of the instance Since: JDO 2.0
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getObjectIds(pcs)

Static Method javax.jdo.JDOHelper Collection getObjectIds( Collection pcs ) Get object ids for a collection of instances. For each instance in the parameter, the getObjectId method is called. This method returns one identity instance for each element in the parameter. The order of iteration
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getTransactionalObjectId(pc)

Static Method javax.jdo.JDOHelper Object getTransactionalObjectId( Object pc ) Return a copy of the JDO identity associated with the parameter instance. Parameters: pc - the PersistenceCapable instance. Returns: a copy of the ObjectId of the parameter instance as modified in this transaction
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getObjectId(pc)

Static Method javax.jdo.JDOHelper Object getObjectId( Object pc ) Return a copy of the JDO identity associated with the parameter instance. Persistent instances of PersistenceCapable classes have a JDO identity managed by the PersistenceManager. This method returns a copy of the ObjectId
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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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getPersistenceManagerFactory(jndiLocation, context, loader)

Static Method javax.jdo.JDOHelper PersistenceManagerFactory getPersistenceManagerFactory( String jndiLocation, Context context, ClassLoader loader ) Returns a PersistenceManagerFactory at the JNDI location specified by jndiLocation in the context context. If context is null, new InitialContext
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getPersistenceManagerFactory(jndiLocation, context)

Static Method javax.jdo.JDOHelper PersistenceManagerFactory getPersistenceManagerFactory( String jndiLocation, Context context ) Returns a PersistenceManagerFactory at the JNDI location specified by jndiLocation in the context context. If context is null, new InitialContext() will be used
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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

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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