Examples of org.odmg.Transaction.lock()

org.odmg.Transaction.lock()
Upgrade the lock on the given object to the given lock mode. The call has no effect if the object's current lock is already at or above that level of lock mode. @param obj The object to acquire a lock on. @param lockMode The lock mode to acquire. The lock modes are READ,UPGRADE, and WRITE. @exception LockNotGrantedException Is thrown if the given lock mode could not be acquired.

            /* One possibility of storing objects is to use the current transaction
             associated with the container */
            Transaction tx = odmg.currentTransaction();
            for (Iterator iterator = objects.iterator(); iterator.hasNext();)
            {
                tx.lock(iterator.next(), Transaction.WRITE);
            }
        }
        catch (LockNotGrantedException e)
        {
            log.error("Failure while storing objects " + objects, e);

View Full Code Here

            OQLQuery query = odmg.newOQLQuery();
            query.create(strQuery);
            result = (List) query.execute();
            before = result.size();


            tx.lock(child, Transaction.WRITE);
            tx.commit();


            tx.begin();
            query = odmg.newOQLQuery();
            query.create(strQuery);

View Full Code Here

        /*
         * lock only the father, let OJB do the rest
         */
        Transaction tx = odmg.newTransaction();
        tx.begin();
        tx.lock(father, Transaction.WRITE);
        tx.commit();


        // without running tx, should not take effect
        father.setChildren(null);
        father.setFirstname(null);

View Full Code Here

        /*
         lock father then all childs
         */
        Transaction tx = odmg.newTransaction();
        tx.begin();
        tx.lock(father, Transaction.WRITE);
        tx.lock(child_2, Transaction.WRITE);
        tx.lock(child_1, Transaction.WRITE);
        tx.commit();


        // without running tx, should not take effect

View Full Code Here

         lock father then all childs
         */
        Transaction tx = odmg.newTransaction();
        tx.begin();
        tx.lock(father, Transaction.WRITE);
        tx.lock(child_2, Transaction.WRITE);
        tx.lock(child_1, Transaction.WRITE);
        tx.commit();


        // without running tx, should not take effect
        father.setChildren(null);

View Full Code Here

         */
        Transaction tx = odmg.newTransaction();
        tx.begin();
        tx.lock(father, Transaction.WRITE);
        tx.lock(child_2, Transaction.WRITE);
        tx.lock(child_1, Transaction.WRITE);
        tx.commit();


        // without running tx, should not take effect
        father.setChildren(null);
        father.setFirstname(null);

View Full Code Here

         order necessary?
         if this doesn't make sense remove the test
         */
        Transaction tx = odmg.newTransaction();
        tx.begin();
        tx.lock(child_1, Transaction.WRITE);
        tx.lock(child_2, Transaction.WRITE);
        tx.lock(father, Transaction.WRITE);
        tx.commit();


        // without running tx, should not take effect

View Full Code Here

         if this doesn't make sense remove the test
         */
        Transaction tx = odmg.newTransaction();
        tx.begin();
        tx.lock(child_1, Transaction.WRITE);
        tx.lock(child_2, Transaction.WRITE);
        tx.lock(father, Transaction.WRITE);
        tx.commit();


        // without running tx, should not take effect
        father.setChildren(null);

View Full Code Here

         */
        Transaction tx = odmg.newTransaction();
        tx.begin();
        tx.lock(child_1, Transaction.WRITE);
        tx.lock(child_2, Transaction.WRITE);
        tx.lock(father, Transaction.WRITE);
        tx.commit();


        // without running tx, should not take effect
        father.setChildren(null);
        father.setFirstname(null);

View Full Code Here


        Transaction tx = odmg.newTransaction();
        tx.begin();
        ro = new RollbackObjectOne();
        ro.setName("test_step_1");
        tx.lock(ro, Transaction.WRITE);
        tx.lock(ro, Transaction.WRITE);
        tx.commit();


        tx.begin();
        tx.lock(ro, Transaction.WRITE);

View Full Code Here

0 1 2 3 4 5 6 7 8 9

TOP

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.