Examples of org.datanucleus.store.connection.ConnectionFactory

Package org.datanucleus.store.connection

Examples of org.datanucleus.store.connection.ConnectionFactory

org.datanucleus.store.connection.ConnectionFactory

        }
        else
        {
            enlisted = true;
        }
        ConnectionFactory cf = null;
        if (enlisted)
        {
            cf = connectionMgr.lookupConnectionFactory(txConnectionFactoryName);
        }
        else
        {
            cf = connectionMgr.lookupConnectionFactory(nontxConnectionFactoryName);
        }
        mc = cf.getConnection(enlisted ? ec : null, ec.getTransaction(), null); // Will throw exception if already locked


        // Lock the connection now that it is in use by the user
        mc.lock();


        Runnable closeRunnable = new Runnable()

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        nucleusContext.addObjectManagerListener(new ExecutionContext.LifecycleListener()
        {
            public void preClose(ExecutionContext ec)
            {
                // Close all connections for this ExecutionContext whether tx or non-tx when ObjectManager closes
                ConnectionFactory connFactory = connectionMgr.lookupConnectionFactory(txConnectionFactoryName);
                connectionMgr.closeAllConnections(connFactory, ec);
                connFactory = connectionMgr.lookupConnectionFactory(nontxConnectionFactoryName);
                connectionMgr.closeAllConnections(connFactory, ec);
            }
        });

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        if (cfElem != null)
        {
            txConnectionFactoryName = cfElem.getAttribute("name");
            try
            {
                ConnectionFactory cf = (ConnectionFactory)nucleusContext.getPluginManager().createExecutableExtension(
                    "org.datanucleus.store_connectionfactory",
                    new String[] {"datastore", "transactional"},
                    new String[] {storeManagerKey, "true"}, "class-name",
                    new Class[] {StoreManager.class, String.class},
                    new Object[] {this, "tx"});
                connectionMgr.registerConnectionFactory(txConnectionFactoryName, cf);
                if (NucleusLogger.CONNECTION.isDebugEnabled())
                {
                    NucleusLogger.CONNECTION.debug(LOCALISER.msg("032018", txConnectionFactoryName));
                }
            }
            catch (Exception e)
            {
                throw new NucleusException("Error creating transactional connection factory", e).setFatal();
            }
        }
        else
        {
            throw new NucleusException("Error creating transactional connection factory. No connection factory plugin defined");
        }


        // Factory for connections - nontransactional
        cfElem = nucleusContext.getPluginManager().getConfigurationElementForExtension(
            "org.datanucleus.store_connectionfactory",
            new String[] {"datastore", "transactional"}, new String[] {storeManagerKey, "false"});
        if (cfElem != null)
        {
            nontxConnectionFactoryName = cfElem.getAttribute("name");
            try
            {
                ConnectionFactory cf = (ConnectionFactory)nucleusContext.getPluginManager().createExecutableExtension(
                    "org.datanucleus.store_connectionfactory",
                    new String[] {"datastore", "transactional"},
                    new String[] {storeManagerKey, "false"}, "class-name",
                    new Class[] {StoreManager.class, String.class},
                    new Object[] {this, "nontx"});

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     */
    public synchronized void close()
    {
        if (txConnectionFactoryName != null)
        {
            ConnectionFactory cf = connectionMgr.lookupConnectionFactory(txConnectionFactoryName);
            if (cf != null)
            {
                cf.close();
            }
        }
        if (nontxConnectionFactoryName != null)
        {
            ConnectionFactory cf = connectionMgr.lookupConnectionFactory(nontxConnectionFactoryName);
            if (cf != null)
            {
                cf.close();
            }
        }


        if (valueGenerationMgr != null)
        {

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     * @return The Connection
     * @throws NucleusException Thrown if an error occurs getting the connection
     */
    public ManagedConnection getConnection(ExecutionContext ec, Map options)
    {
        ConnectionFactory connFactory;
        if (ec.getTransaction().isActive())
        {
            connFactory = connectionMgr.lookupConnectionFactory(txConnectionFactoryName);
        }
        else
        {
            if (nontxConnectionFactoryName != null)
            {
                connFactory = connectionMgr.lookupConnectionFactory(nontxConnectionFactoryName);
            }
            else
            {
                // Some datastores don't define non-tx handling so just fallback to the primary factory
                connFactory = connectionMgr.lookupConnectionFactory(txConnectionFactoryName);
            }
        }
        return connFactory.getConnection(ec, ec.getTransaction(), options);
    }

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     * @return The Connection to the datastore
     * @throws NucleusException if an error occurs getting the connection
     */
    public ManagedConnection getConnection(int isolation_level)
    {
        ConnectionFactory connFactory = null;
        if (nontxConnectionFactoryName != null)
        {
            connFactory = connectionMgr.lookupConnectionFactory(nontxConnectionFactoryName);
        }
        else
        {
            // Some datastores don't define non-tx handling so just fallback to the primary factory
            connFactory = connectionMgr.lookupConnectionFactory(txConnectionFactoryName);
        }


        Map options = null;
        if (isolation_level >= 0)
        {
            options = new HashMap();
            options.put(Transaction.TRANSACTION_ISOLATION_OPTION, Integer.valueOf(isolation_level));
        }
        return connFactory.getConnection(null, null, options);
    }

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    /* (non-Javadoc)
     * @see org.datanucleus.store.StoreManager#getNucleusConnection(org.datanucleus.ObjectManager)
     */
    public NucleusConnection getNucleusConnection(ExecutionContext ec)
    {
        ConnectionFactory cf = connectionMgr.lookupConnectionFactory(txConnectionFactoryName);


        final ManagedConnection mc;
        final boolean enlisted;
        if (!ec.getTransaction().isActive())
        {
            // no active transaction so don't enlist
            enlisted = false;
        }
        else
        {
            enlisted = true;
        }
        mc = cf.getConnection(enlisted ? ec : null, enlisted ? ec.getTransaction() : null, null); // Will throw exception if already locked


        // Lock the connection now that it is in use by the user
        mc.lock();


        Runnable closeRunnable = new Runnable()

View Full Code Here

    }
  }


  @Override
  public NucleusConnection getNucleusConnection(ExecutionContext ec) {
    ConnectionFactory cf = connectionMgr.lookupConnectionFactory(primaryConnectionFactoryName);


    final ManagedConnection mc;
    final boolean enlisted;
    enlisted = ec.getTransaction().isActive();
    mc = cf.getConnection(enlisted ? ec : null, ec.getTransaction(), null); // Will throw exception if already locked


    // Lock the connection now that it is in use by the user
    mc.lock();


    Runnable closeRunnable = new Runnable() {

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    }
    
    protected ForceManagedConnection getManagedConnection(EntityManager em) {
        ObjectManager om = (ObjectManager) em.getDelegate();
        
        ConnectionFactory connFactory = om.getStoreManager().getConnectionManager().lookupConnectionFactory("force");
        return (ForceManagedConnection) connFactory.createManagedConnection(null, null);
    }

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        if (conn == null) {
            ObjectManager om = (ObjectManager) em.getDelegate();
            
            // Get the EntityManager's PartnerConnection
            ConnectionFactory connFactory = om.getStoreManager().getConnectionManager().lookupConnectionFactory("force");
            ForceManagedConnection mconn = (ForceManagedConnection) connFactory.createManagedConnection(null, null);
            conn = (PartnerConnection) mconn.getConnection();
        }
    }

View Full Code Here

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