Examples of org.apache.commons.dbcp.managed.LocalXAConnectionFactory$LocalXAResource

org.apache.commons.dbcp.managed.LocalXAConnectionFactory
LocalXAResource is a fake XAResource for non-XA connections. When a transaction is started the connection auto-commit is turned off. When the connection is committed or rolled back, the commit or rollback method is called on the connection and then the original auto-commit value is restored.
The LocalXAResource also respects the connection read-only setting. If the connection is read-only the commit method will not be called, and the prepare method returns the XA_RDONLY.
It is assumed that the wrapper around a managed connection disables the setAutoCommit(), commit(), rollback() and setReadOnly() methods while a transaction is in progress.


            // create the connection factory
            ConnectionFactory cf = new DriverConnectionFactory(jdbcDriver, dbUri, cfProps);


            // wrap it with a LocalXAConnectionFactory
            XAConnectionFactory xacf = new LocalXAConnectionFactory(txMgr, cf);
                                                 
            // configure the pool settings
            GenericObjectPool pool = new GenericObjectPool();
            pool.setTimeBetweenEvictionRunsMillis(600000);
            pool.setMaxActive(maxSize);
            pool.setMaxIdle(maxIdle);
            pool.setMinIdle(minSize);
            pool.setMaxWait(120000);




            // create the pool object factory
            PoolableConnectionFactory factory = new PoolableConnectionFactory(xacf, pool, null, null, true, true);
            factory.setValidationQuery("select example_type_id from example_type limit 1");
            factory.setDefaultReadOnly(false);


            String transIso = jotmJdbcElement.getAttribute("isolation-level");
            if (transIso != null && transIso.length() > 0) {
                if ("Serializable".equals(transIso)) {
                    factory.setDefaultTransactionIsolation(Connection.TRANSACTION_SERIALIZABLE);
                } else if ("RepeatableRead".equals(transIso)) {
                    factory.setDefaultTransactionIsolation(Connection.TRANSACTION_REPEATABLE_READ);
                } else if ("ReadUncommitted".equals(transIso)) {
                    factory.setDefaultTransactionIsolation(Connection.TRANSACTION_READ_UNCOMMITTED);
                } else if ("ReadCommitted".equals(transIso)) {
                    factory.setDefaultTransactionIsolation(Connection.TRANSACTION_READ_COMMITTED);
                } else if ("None".equals(transIso)) {
                    factory.setDefaultTransactionIsolation(Connection.TRANSACTION_NONE);
                }
            }
            pool.setFactory(factory);


            mds = new ManagedDataSource(pool, xacf.getTransactionRegistry());
            mds.setAccessToUnderlyingConnectionAllowed(true);


            // cache the pool
            dsCache.put(helperName, mds);

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        }


        // If xa data source is not specified a DriverConnectionFactory is created and wrapped with a LocalXAConnectionFactory
        ConnectionFactory connectionFactory = new DataSourceConnectionFactory(DataSource.class.cast(ds), username, password);
        XAConnectionFactory xaConnectionFactory = new LocalXAConnectionFactory(getTransactionManager(), connectionFactory);
        setTransactionRegistry(xaConnectionFactory.getTransactionRegistry());
        return xaConnectionFactory;
    }

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        } else {


            // If xa data source is not specified a DriverConnectionFactory is created and wrapped with a LocalXAConnectionFactory
            ConnectionFactory connectionFactory = new DataSourceConnectionFactory(this.ds, username, password);
            XAConnectionFactory xaConnectionFactory = new LocalXAConnectionFactory(getTransactionManager(), connectionFactory);
            setTransactionRegistry(xaConnectionFactory.getTransactionRegistry());
            return xaConnectionFactory;
        }
    }

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