Examples of org.odmg.Transaction.tryLock()

org.odmg.Transaction.tryLock()
Upgrade the lock on the given object to the given lock mode. Method tryLock is the same as lock except it returns a boolean indicating whether the lock was granted instead of generating an exception. @param obj The object to acquire a lock on. @param lockMode The lock mode to acquire. The lock modes are READ,UPGRADE, and WRITE. @return True if the lock has been acquired, otherwise false.

            Article a = null;
            while (iter.hasNext())
            {
                a = (Article) iter.next();


                if (tx.tryLock(a, Transaction.WRITE))
                {


                    //db.makePersistent(a);
                    //System.out.println(super.getName() + " ---- Lock erhalten & warten"+ a);
                    Thread.sleep(1000);

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