Package org.apache.ojb.odmg

Examples of org.apache.ojb.odmg.TransactionImpl.lock()

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            elements.add(entry);
            // if we are in a transaction: get locks !
            TransactionImpl tx = getTransaction();
            if ((tx != null) && (tx.isOpen()))
            {
                tx.lock(this, Transaction.WRITE);
                tx.lock(entry, Transaction.WRITE);
                tx.lock(o, Transaction.READ);
            }
            return true;
        }
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            // if we are in a transaction: get locks !
            TransactionImpl tx = getTransaction();
            if ((tx != null) && (tx.isOpen()))
            {
                tx.lock(this, Transaction.WRITE);
                tx.lock(entry, Transaction.WRITE);
                tx.lock(o, Transaction.READ);
            }
            return true;
        }
        else
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            TransactionImpl tx = getTransaction();
            if ((tx != null) && (tx.isOpen()))
            {
                tx.lock(this, Transaction.WRITE);
                tx.lock(entry, Transaction.WRITE);
                tx.lock(o, Transaction.READ);
            }
            return true;
        }
        else
        {
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        iter.add(entry);

        TransactionImpl tx = TxManagerFactory.instance().getTransaction();
        if (tx != null)
        {
            tx.lock(entry, Transaction.WRITE);
            entry.prepareForPersistency(tx.getBroker());
        }
    }

    /**
 
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    public Object setValue(Object obj)
    {
        TransactionImpl tx = TxManagerFactory.instance().getTransaction();
        if (tx != null)
        {
            tx.lock(this, Transaction.WRITE);
        }
        valueRealSubject = obj;
        PersistenceBroker broker = PersistenceBrokerFactory.defaultPersistenceBroker();
        valueOID = new Identity(obj,broker);
        broker.close();
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        iter.add(entry);

        TransactionImpl tx = TxManagerFactory.instance().getTransaction();
        if (tx != null)
        {
            tx.lock(entry, Transaction.WRITE);
        }
    }

    /**
     * Returns <tt>true</tt> if the iteration has more elements. (In other
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        this.size++;
        // if we are in a transaction: acquire locks !
        TransactionImpl tx = TxManagerFactory.instance().getTransaction();
        if (checkForOpenTransaction(tx))
        {
            tx.lock(this, Transaction.WRITE);
            tx.lock(entry, Transaction.WRITE);
            tx.lock(element, Transaction.READ);
            entry.prepareForPersistency(tx.getBroker());
        }
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        // if we are in a transaction: acquire locks !
        TransactionImpl tx = TxManagerFactory.instance().getTransaction();
        if (checkForOpenTransaction(tx))
        {
            tx.lock(this, Transaction.WRITE);
            tx.lock(entry, Transaction.WRITE);
            tx.lock(element, Transaction.READ);
            entry.prepareForPersistency(tx.getBroker());
        }

        // changing the position markers of entries:
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        TransactionImpl tx = TxManagerFactory.instance().getTransaction();
        if (checkForOpenTransaction(tx))
        {
            tx.lock(this, Transaction.WRITE);
            tx.lock(entry, Transaction.WRITE);
            tx.lock(element, Transaction.READ);
            entry.prepareForPersistency(tx.getBroker());
        }

        // changing the position markers of entries:
        int offset = 0;
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        if (ok)
        {
            TransactionImpl tx = TxManagerFactory.instance().getTransaction();
            if ((tx != null) && (tx.isOpen()))
            {
                tx.lock(this, Transaction.WRITE);
                tx.lock(entry, Transaction.WRITE);
                tx.lock(key, Transaction.READ);
                tx.lock(value, Transaction.READ);
            }
            return null;
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