Examples of org.odmg.Database.makePersistent()

org.odmg.Database.makePersistent()
Make a transient object durable in the database. It must be executed in the context of an open transaction. If the transaction in which this method is executed commits, then the object is made durable. If the transaction aborts, then the makePersistent operation is considered not to have been executed, and the target object is again transient. ClassNotPersistenceCapableException is thrown if the implementation cannot make the object persistent because of the type of the object. @param object The object to make persistent.

            tx.begin();


            Article example = new Article();
            example.setArticleId(777);
            example.setProductGroupId(7);
            db.makePersistent(example);


            // modify Object
            example.setStock(333);
            example.addToStock(47);
            example.addToStock(7);

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            ProductGroup pg = new ProductGroup();
            pg.setName("PG A");
            Article example = new Article();
            example.setProductGroup(pg);
            pg.addArticle(example);
            db.makePersistent(pg);


            // modify Object after persist call is allowed
            example.setStock(333);
            example.addToStock(47);
            example.addToStock(7);

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        db.makePersistent(s_ref_2);
        db.makePersistent(s_ref_3);
        db.makePersistent(s_ref_4);


        db.makePersistent(obj_1);
        db.makePersistent(obj_2);
        tx.commit();


        // try to find both objects
        Criteria crit = new Criteria();
        crit.addEqualTo("name", name);

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        Database db = odmg.newDatabase();
        db.open(TestHelper.DEF_DATABASE_NAME, Database.OPEN_READ_WRITE);


        TransactionExt tx = (TransactionExt) odmg.newTransaction();
        tx.begin();
        db.makePersistent(s_ref_4);
        db.makePersistent(obj_2);
        tx.commit();


        tx.begin();

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        db.open(TestHelper.DEF_DATABASE_NAME, Database.OPEN_READ_WRITE);


        TransactionExt tx = (TransactionExt) odmg.newTransaction();
        tx.begin();
        db.makePersistent(s_ref_4);
        db.makePersistent(obj_2);
        tx.commit();


        tx.begin();


        // try to find object

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        Database db = odmg.newDatabase();
        db.open(TestHelper.DEF_DATABASE_NAME, Database.OPEN_READ_WRITE);


        Transaction tx = odmg.newTransaction();
        tx.begin();
        db.makePersistent(s_ref_1);
        db.makePersistent(s_ref_2);
        db.makePersistent(s_ref_3);
        db.makePersistent(s_ref_4);


        db.makePersistent(obj_1);

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        db.open(TestHelper.DEF_DATABASE_NAME, Database.OPEN_READ_WRITE);


        Transaction tx = odmg.newTransaction();
        tx.begin();
        db.makePersistent(s_ref_1);
        db.makePersistent(s_ref_2);
        db.makePersistent(s_ref_3);
        db.makePersistent(s_ref_4);


        db.makePersistent(obj_1);
        db.makePersistent(obj_2);

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        Transaction tx = odmg.newTransaction();
        tx.begin();
        db.makePersistent(s_ref_1);
        db.makePersistent(s_ref_2);
        db.makePersistent(s_ref_3);
        db.makePersistent(s_ref_4);


        db.makePersistent(obj_1);
        db.makePersistent(obj_2);
        tx.commit();

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        Transaction tx = odmg.newTransaction();
        tx.begin();
        db.makePersistent(s_ref_1);
        db.makePersistent(s_ref_2);
        db.makePersistent(s_ref_3);
        db.makePersistent(s_ref_4);


        db.makePersistent(obj_1);
        db.makePersistent(obj_2);
        tx.commit();

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        db.makePersistent(s_ref_1);
        db.makePersistent(s_ref_2);
        db.makePersistent(s_ref_3);
        db.makePersistent(s_ref_4);


        db.makePersistent(obj_1);
        db.makePersistent(obj_2);
        tx.commit();


        // try to find both objects
        Criteria crit = new Criteria();

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