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.

        BidirectionalAssociationObjectB b = new BidirectionalAssociationObjectB();
        b.setPk("B" + currentTime);


        tx.begin();
        db.makePersistent(a);
        db.makePersistent(b);
        tx.commit();


        tx.begin();
        tx.lock(a, Transaction.WRITE);
        tx.lock(b, Transaction.WRITE);

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        b.setPk("B" + currentTime);


        tx.begin();
        b.setRelatedA(a);
        a.setRelatedB(b);
        db.makePersistent(a);
        db.makePersistent(b);
        tx.commit();


        /**
         * now make sure they are in db, A first, then B

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        tx.begin();
        b.setRelatedA(a);
        a.setRelatedB(b);
        db.makePersistent(a);
        db.makePersistent(b);
        tx.commit();


        /**
         * now make sure they are in db, A first, then B
         */

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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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        try
        {
            Transaction tx = odmg.newTransaction();
            tx.begin();
            Table_1Object table1Ojb = new Table_1Object();
            db.makePersistent(table1Ojb);
            tx.commit();
        }
        finally
        {
            db.close();

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            Transaction tx = odmg.newTransaction();
            tx.begin();
            Table_1Object table1Obj = new Table_1Object();
            Table_2Object table2Obj = new Table_2Object();
            table1Obj.setTable2Object(table2Obj);
            db.makePersistent(table2Obj);
            db.makePersistent(table1Obj);
            tx.commit();
        }
        finally
        {

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            tx.begin();
            Table_1Object table1Obj = new Table_1Object();
            Table_2Object table2Obj = new Table_2Object();
            table1Obj.setTable2Object(table2Obj);
            db.makePersistent(table2Obj);
            db.makePersistent(table1Obj);
            tx.commit();
        }
        finally
        {
            db.close();

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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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