Package com.alibaba.druid.pool

Examples of com.alibaba.druid.pool.DruidPooledConnection

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    }

    @Override
    public DruidPooledConnection dataSource_getConnection(FilterChain chain, DruidDataSource dataSource,
                                                          long maxWaitMillis) throws SQLException {
        DruidPooledConnection conn = chain.dataSource_connect(dataSource, maxWaitMillis);

        if (conn != null) {
            conn.setConnectedTimeNano();

            StatFilterContext.getInstance().pool_connection_open();
        }

        return conn;
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    }

    @Override
    public DruidPooledConnection dataSource_getConnection(FilterChain chain, DruidDataSource dataSource,
                                                          long maxWaitMillis) throws SQLException {
        DruidPooledConnection conn = chain.dataSource_connect(dataSource, maxWaitMillis);

        ConnectionProxy connection = (ConnectionProxy) conn.getConnectionHolder().getConnection();

        if (connectionConnectAfterLogEnable && isConnectionLogEnabled()) {
            connectionLog("{conn-" + connection.getId() + "} pool-connect");
        }
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        dataSourceStat.getConnectionHoldHistogram().record(millis);
    }

    public DruidPooledConnection dataSource_getConnection(FilterChain chain, DruidDataSource dataSource,
                                                          long maxWaitMillis) throws SQLException {
        DruidPooledConnection conn = chain.dataSource_connect(dataSource, maxWaitMillis);

        if (conn != null) {
            conn.setConnectedTimeNano(System.nanoTime());
        }
       
        return conn;
    }
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    }

    @Override
    public DruidPooledConnection dataSource_connect(DruidDataSource dataSource, long maxWaitMillis) throws SQLException {
        if (this.pos < filterSize) {
            DruidPooledConnection conn = nextFilter().dataSource_getConnection(this, dataSource, maxWaitMillis);
            return conn;
        }

        return dataSource.getConnectionDirect(maxWaitMillis);
    }
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    }

    @Override
    public DruidPooledConnection dataSource_getConnection(FilterChain chain, DruidDataSource dataSource,
                                                          long maxWaitMillis) throws SQLException {
        DruidPooledConnection conn = chain.dataSource_connect(dataSource, maxWaitMillis);

        ConnectionProxy connection = (ConnectionProxy) conn.getConnectionHolder().getConnection();

        if (connectionConnectAfterLogEnable && isConnectionLogEnabled()) {
            connectionLog("{conn-" + connection.getId() + "} pool-connect");
        }
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    }

    @Override
    public DruidPooledConnection dataSource_getConnection(FilterChain chain, DruidDataSource dataSource,
                                                          long maxWaitMillis) throws SQLException {
        DruidPooledConnection conn = chain.dataSource_connect(dataSource, maxWaitMillis);

        if (conn != null) {
            conn.setConnectedTimeNano();

            StatFilterContext.getInstance().pool_connection_open();
        }

        return conn;
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    }

    @Override
    public DruidPooledConnection dataSource_getConnection(FilterChain chain, DruidDataSource dataSource,
                                                          long maxWaitMillis) throws SQLException {
        DruidPooledConnection conn = chain.dataSource_connect(dataSource, maxWaitMillis);

        ConnectionProxy connection = (ConnectionProxy) conn.getConnectionHolder().getConnection();

        if (connectionConnectAfterLogEnable && isConnectionLogEnabled()) {
            connectionLog("{conn-" + connection.getId() + "} pool-connect");
        }
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    }

    @Override
    public DruidPooledConnection dataSource_connect(DruidDataSource dataSource, long maxWaitMillis) throws SQLException {
        if (this.pos < filterSize) {
            DruidPooledConnection conn = nextFilter().dataSource_getConnection(this, dataSource, maxWaitMillis);
            return conn;
        }

        return dataSource.getConnectionDirect(maxWaitMillis);
    }
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    private Object            h2Factory        = null;

    @Override
    public XAConnection getXAConnection() throws SQLException {
        DruidPooledConnection conn = this.getConnection();

        Connection physicalConn = conn.unwrap(Connection.class);

        XAConnection rawXAConnection = createPhysicalXAConnection(physicalConn);

        return new DruidPooledXAConnection(conn, rawXAConnection);
    }
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    protected void tearDown() throws Exception {
        JdbcUtils.close(dataSource);
    }

    public void test_pscache() throws Exception {
        DruidPooledConnection conn = dataSource.getConnection();

        DruidConnectionHolder holder = conn.getConnectionHolder();
        PreparedStatementPool stmtPool = holder.getStatementPool();

        final String sql_0 = "select 0";
        final String sql_1 = "select 1";
        final String sql_2 = "select 2";
        final String sql_3 = "select 3";
        final String sql_4 = "select 4";

        Assert.assertEquals(0, stmtPool.size());

        PreparedStatementHolder stmtHoler_0;
        PreparedStatementHolder stmtHoler_1;
        PreparedStatementHolder stmtHoler_2;
        PreparedStatementHolder stmtHoler_3;
        PreparedStatementHolder stmtHoler_4;
       
        // sql_0连续执行两次
        {
            DruidPooledPreparedStatement stmt_0 = (DruidPooledPreparedStatement) conn.prepareStatement(sql_0);

            Assert.assertFalse(stmt_0.getPreparedStatementHolder().isPooling());

            stmt_0.close();
            Assert.assertEquals(1, stmtPool.size());
            Assert.assertTrue(stmt_0.getPreparedStatementHolder().isPooling());
        }
        {
            DruidPooledPreparedStatement stmt_0 = (DruidPooledPreparedStatement) conn.prepareStatement(sql_0);
            Assert.assertEquals(1, stmtPool.size());
            Assert.assertTrue(stmt_0.getPreparedStatementHolder().isInUse());
            Assert.assertTrue(stmt_0.getPreparedStatementHolder().isPooling());

            stmt_0.close();

            Assert.assertFalse(stmt_0.getPreparedStatementHolder().isInUse());
            Assert.assertTrue(stmt_0.getPreparedStatementHolder().isPooling());
            Assert.assertEquals(1, stmtPool.size());
        }
       
        DruidPooledPreparedStatement stmt_0 = (DruidPooledPreparedStatement) conn.prepareStatement(sql_0);
       
        stmtHoler_0 = stmt_0.getPreparedStatementHolder();
       
        Assert.assertTrue(stmtHoler_0.isInUse());
        Assert.assertTrue(stmtHoler_0.isPooling());
       
        stmt_0.execute();
       
        {
            DruidPooledPreparedStatement stmt_1 = (DruidPooledPreparedStatement) conn.prepareStatement(sql_1);
            Assert.assertEquals(1, stmtPool.size());
           
            stmtHoler_1 = stmt_1.getPreparedStatementHolder();
           
            Assert.assertTrue(stmt_1.getPreparedStatementHolder().isInUse());
            Assert.assertFalse(stmt_1.getPreparedStatementHolder().isPooling());

            stmt_1.close();

            Assert.assertFalse(stmt_1.getPreparedStatementHolder().isInUse());
            Assert.assertTrue(stmt_1.getPreparedStatementHolder().isPooling());
            Assert.assertTrue(stmt_1.getPreparedStatementHolder().isPooling());
            Assert.assertEquals(2, stmtPool.size());
        }
       
        Assert.assertTrue(stmtHoler_0.isPooling());
        Assert.assertTrue(stmtHoler_1.isPooling());
       
        {
            DruidPooledPreparedStatement stmt_2 = (DruidPooledPreparedStatement) conn.prepareStatement(sql_2);
            Assert.assertEquals(2, stmtPool.size());
           
            stmtHoler_2 = stmt_2.getPreparedStatementHolder();
           
            Assert.assertTrue(stmt_2.getPreparedStatementHolder().isInUse());
            Assert.assertFalse(stmt_2.getPreparedStatementHolder().isPooling());
           
            stmt_2.close();
           
            Assert.assertFalse(stmt_2.getPreparedStatementHolder().isInUse());
            Assert.assertTrue(stmt_2.getPreparedStatementHolder().isPooling());
            Assert.assertTrue(stmt_2.getPreparedStatementHolder().isPooling());
            Assert.assertEquals(3, stmtPool.size());
        }
       
        Assert.assertTrue(stmtHoler_0.isPooling());
        Assert.assertTrue(stmtHoler_1.isPooling());
        Assert.assertTrue(stmtHoler_2.isPooling());
       
        {
            DruidPooledPreparedStatement stmt_3 = (DruidPooledPreparedStatement) conn.prepareStatement(sql_3);
            Assert.assertEquals(3, stmtPool.size());
           
            stmtHoler_3 = stmt_3.getPreparedStatementHolder();
           
            Assert.assertTrue(stmt_3.getPreparedStatementHolder().isInUse());
            Assert.assertFalse(stmt_3.getPreparedStatementHolder().isPooling());
           
            stmt_3.close();
           
            Assert.assertFalse(stmt_3.getPreparedStatementHolder().isInUse());
            Assert.assertTrue(stmt_3.getPreparedStatementHolder().isPooling());
            Assert.assertTrue(stmt_3.getPreparedStatementHolder().isPooling());
            Assert.assertEquals(3, stmtPool.size());
        }
       
       
        Assert.assertFalse(stmtHoler_0.isPooling());
        Assert.assertTrue(stmtHoler_1.isPooling());
        Assert.assertTrue(stmtHoler_2.isPooling());
        Assert.assertTrue(stmtHoler_3.isPooling());
       
        {
            DruidPooledPreparedStatement stmt_4 = (DruidPooledPreparedStatement) conn.prepareStatement(sql_4);
            Assert.assertEquals(3, stmtPool.size());
           
            stmtHoler_4 = stmt_4.getPreparedStatementHolder();
           
            Assert.assertTrue(stmt_4.getPreparedStatementHolder().isInUse());
            Assert.assertFalse(stmt_4.getPreparedStatementHolder().isPooling());
           
            stmt_4.close();
           
            Assert.assertFalse(stmt_4.getPreparedStatementHolder().isInUse());
            Assert.assertTrue(stmt_4.getPreparedStatementHolder().isPooling());
            Assert.assertTrue(stmt_4.getPreparedStatementHolder().isPooling());
            Assert.assertEquals(3, stmtPool.size());
        }
       
        Assert.assertFalse(stmtHoler_0.isPooling());
        Assert.assertFalse(stmtHoler_1.isPooling());
        Assert.assertTrue(stmtHoler_2.isPooling());
        Assert.assertTrue(stmtHoler_3.isPooling());
        Assert.assertTrue(stmtHoler_4.isPooling());
       
        stmt_0.close();
       
        Assert.assertTrue(stmtHoler_0.isPooling());
        Assert.assertFalse(stmtHoler_1.isPooling());
        Assert.assertFalse(stmtHoler_2.isPooling());
        Assert.assertTrue(stmtHoler_3.isPooling());
        Assert.assertTrue(stmtHoler_4.isPooling());

        conn.close();
    }
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