Examples of org.apache.commons.dbcp.PoolableConnectionFactory

org.apache.commons.dbcp.PoolableConnectionFactory
A {@link PoolableObjectFactory} that creates{@link PoolableConnection}s. @author Rodney Waldhoff @author Glenn L. Nielsen @author James House @author Dirk Verbeeck @version $Revision: 1.22 $ $Date: 2004/05/20 13:11:56 $

    connectionPool.setMaxActive(repoContext.getMaximumConnections());


    statementPool = new GenericKeyedObjectPoolFactory(null);


    // creating the factor automatically wires the connection pool
    new PoolableConnectionFactory(connFactory, connectionPool, statementPool,
        handler.validationQuery(), false, false,
        repoContext.getTransactionIsolation().getCode());


    dataSource = new PoolingDataSource(connectionPool);
    txFactory = new JdbcRepositoryTransactionFactory(dataSource);

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    objectPool.setTestOnBorrow(false);
    objectPool.setTestOnReturn(false);
    objectPool.setTestWhileIdle(true);
    objectPool.setTimeBetweenEvictionRunsMillis(60 * 1000L);
    // Constructor actually sets itself as factory on pool
    new PoolableConnectionFactory(connectionFactory, objectPool, null, "SELECT 1", false, false);
    delegate = new PoolingDataSource(objectPool);
  }

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        // Now we'll create the PoolableConnectionFactory, which wraps
        // the "real" Connections created by the ConnectionFactory with
        // the classes that implement the pooling functionality.
        // PoolableConnectionFactory poolableConnectionFactory =
        new PoolableConnectionFactory( connectionFactory, connectionPool, null, null, false, true );


        // Finally, we create the PoolingDriver itself...
        Class.forName( "org.apache.commons.dbcp.PoolingDriver" );
        PoolingDriver driver = (PoolingDriver) DriverManager.getDriver( DRIVER_NAME );

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        //
        // Now we'll create the PoolableConnectionFactory, which wraps
        // the "real" Connections created by the ConnectionFactory with
        // the classes that implement the pooling functionality.
        //
        PoolableConnectionFactory poolableConnectionFactory = new PoolableConnectionFactory(connectionFactory,connectionPool,null,null,false,true);


        //
        // Finally, we create the PoolingDriver itself,
        // passing in the object pool we created.
        //

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        //
        // Now we'll create the PoolableConnectionFactory, which wraps
        // the "real" Connections created by the ConnectionFactory with
        // the classes that implement the pooling functionality.
        //
        PoolableConnectionFactory poolableConnectionFactory = new PoolableConnectionFactory(connectionFactory,connectionPool,null,null,false,true);


        //
        // Finally, we create the PoolingDriver itself...
        //
        PoolingDriver driver = new PoolingDriver();

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    GenericObjectPool objectPool = new GenericObjectPool();
    objectPool.setTestOnBorrow(false);
    objectPool.setTestOnReturn(false);
    objectPool.setTestWhileIdle(true);
    objectPool.setTimeBetweenEvictionRunsMillis(60 * 1000L);
    PoolableObjectFactory factory = new PoolableConnectionFactory(connectionFactory, objectPool, null,
      "SELECT 1", false, false);
    objectPool.setFactory(factory);
    delegate = new PoolingDataSource(objectPool);
  }

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                        LOG_CHANNEL,
                        Logger.INFO);


                    DriverManagerConnectionFactory connectionFactory =
                        new DriverManagerConnectionFactory(url, user, password);
                    new PoolableConnectionFactory(
                        connectionFactory,
                        connectionPool,
                        // TODO switching on pooling of prepared statements causes problems with closing of connections
                        // switched off for now
//                  new StackKeyedObjectPoolFactory(),

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                        LOG_CHANNEL,
                        Logger.INFO);


                    DriverManagerConnectionFactory connectionFactory =
                        new DriverManagerConnectionFactory(url, user, password);
                    new PoolableConnectionFactory(
                        connectionFactory,
                        connectionPool,
                        // TODO switching on pooling of prepared statements causes problems with closing of connections
                        // switched off for now
//                  new StackKeyedObjectPoolFactory(),

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        // a side effect of PoolableConnectionFactory constructor call is that newly
        // created factory object is assigned to "connectionPool", which is definitely a
        // very confusing part of DBCP - new object is not visibly assigned to anything,
        // still it is preserved...
        new PoolableConnectionFactory(
                factory,
                connectionPool,
                statementPool,
                validationQuery,
                defaultReadOnly ? Boolean.TRUE : Boolean.FALSE,

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            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 = jdbcElement.getAttribute("isolation-level");
            if (UtilValidate.isNotEmpty(transIso)) {
                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());

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