Examples with GenericKeyedObjectPool org.apache.tomcat.dbcp.pool2.impl.GenericKeyedObjectPool used on opensource projects

Example 1 with GenericKeyedObjectPool

use of org.apache.tomcat.dbcp.pool2.impl.GenericKeyedObjectPool in project tomcat by apache.

the class DriverAdapterCPDS method getPooledConnection.

/**
     * Attempt to establish a database connection.
     * @param username name to be used for the connection
     * @param pass password to be used fur the connection
     */
@Override
public PooledConnection getPooledConnection(final String username, final String pass) throws SQLException {
    getConnectionCalled = true;
    PooledConnectionImpl pci = null;
    // exception upon first invocation.
    try {
        if (connectionProperties != null) {
            connectionProperties.put("user", username);
            connectionProperties.put("password", pass);
            pci = new PooledConnectionImpl(DriverManager.getConnection(getUrl(), connectionProperties));
        } else {
            pci = new PooledConnectionImpl(DriverManager.getConnection(getUrl(), username, pass));
        }
        pci.setAccessToUnderlyingConnectionAllowed(isAccessToUnderlyingConnectionAllowed());
    } catch (final ClassCircularityError e) {
        if (connectionProperties != null) {
            pci = new PooledConnectionImpl(DriverManager.getConnection(getUrl(), connectionProperties));
        } else {
            pci = new PooledConnectionImpl(DriverManager.getConnection(getUrl(), username, pass));
        }
        pci.setAccessToUnderlyingConnectionAllowed(isAccessToUnderlyingConnectionAllowed());
    }
    KeyedObjectPool<PStmtKeyCPDS, PoolablePreparedStatement<PStmtKeyCPDS>> stmtPool = null;
    if (isPoolPreparedStatements()) {
        final GenericKeyedObjectPoolConfig config = new GenericKeyedObjectPoolConfig();
        config.setMaxTotalPerKey(Integer.MAX_VALUE);
        config.setBlockWhenExhausted(false);
        config.setMaxWaitMillis(0);
        config.setMaxIdlePerKey(getMaxIdle());
        if (getMaxPreparedStatements() <= 0) {
            // since there is no limit, create a prepared statement pool with an eviction thread
            //  evictor settings are the same as the connection pool settings.
            config.setTimeBetweenEvictionRunsMillis(getTimeBetweenEvictionRunsMillis());
            config.setNumTestsPerEvictionRun(getNumTestsPerEvictionRun());
            config.setMinEvictableIdleTimeMillis(getMinEvictableIdleTimeMillis());
        } else {
            // since there is limit, create a prepared statement pool without an eviction thread
            //  pool has LRU functionality so when the limit is reached, 15% of the pool is cleared.
            // see org.apache.tomcat.dbcp.pool2.impl.GenericKeyedObjectPool.clearOldest method
            config.setMaxTotal(getMaxPreparedStatements());
            config.setTimeBetweenEvictionRunsMillis(-1);
            config.setNumTestsPerEvictionRun(0);
            config.setMinEvictableIdleTimeMillis(0);
        }
        stmtPool = new GenericKeyedObjectPool<>(pci, config);
        pci.setStatementPool(stmtPool);
    }
    return pci;
}

Example 2 with GenericKeyedObjectPool

use of org.apache.tomcat.dbcp.pool2.impl.GenericKeyedObjectPool in project tomcat by apache.

the class SharedPoolDataSource method registerPool.

private void registerPool(final String username, final String password) throws NamingException, SQLException {
    final ConnectionPoolDataSource cpds = testCPDS(username, password);
    // Create an object pool to contain our PooledConnections
    factory = new KeyedCPDSConnectionFactory(cpds, getValidationQuery(), getValidationQueryTimeout(), isRollbackAfterValidation());
    factory.setMaxConnLifetimeMillis(getMaxConnLifetimeMillis());
    final GenericKeyedObjectPoolConfig config = new GenericKeyedObjectPoolConfig();
    config.setBlockWhenExhausted(getDefaultBlockWhenExhausted());
    config.setEvictionPolicyClassName(getDefaultEvictionPolicyClassName());
    config.setLifo(getDefaultLifo());
    config.setMaxIdlePerKey(getDefaultMaxIdle());
    config.setMaxTotal(getMaxTotal());
    config.setMaxTotalPerKey(getDefaultMaxTotal());
    config.setMaxWaitMillis(getDefaultMaxWaitMillis());
    config.setMinEvictableIdleTimeMillis(getDefaultMinEvictableIdleTimeMillis());
    config.setMinIdlePerKey(getDefaultMinIdle());
    config.setNumTestsPerEvictionRun(getDefaultNumTestsPerEvictionRun());
    config.setSoftMinEvictableIdleTimeMillis(getDefaultSoftMinEvictableIdleTimeMillis());
    config.setTestOnCreate(getDefaultTestOnCreate());
    config.setTestOnBorrow(getDefaultTestOnBorrow());
    config.setTestOnReturn(getDefaultTestOnReturn());
    config.setTestWhileIdle(getDefaultTestWhileIdle());
    config.setTimeBetweenEvictionRunsMillis(getDefaultTimeBetweenEvictionRunsMillis());
    final KeyedObjectPool<UserPassKey, PooledConnectionAndInfo> tmpPool = new GenericKeyedObjectPool<>(factory, config);
    factory.setPool(tmpPool);
    pool = tmpPool;
}

Example 3 with GenericKeyedObjectPool

use of org.apache.tomcat.dbcp.pool2.impl.GenericKeyedObjectPool in project tomcat by apache.

the class PoolableConnectionFactory method makeObject.

@Override
public PooledObject<PoolableConnection> makeObject() throws Exception {
    Connection conn = _connFactory.createConnection();
    if (conn == null) {
        throw new IllegalStateException("Connection factory returned null from createConnection");
    }
    try {
        initializeConnection(conn);
    } catch (final SQLException sqle) {
        // Make sure the connection is closed
        try {
            conn.close();
        } catch (final SQLException ignore) {
        // ignore
        }
        // Rethrow original exception so it is visible to caller
        throw sqle;
    }
    final long connIndex = connectionIndex.getAndIncrement();
    if (poolStatements) {
        conn = new PoolingConnection(conn);
        final GenericKeyedObjectPoolConfig config = new GenericKeyedObjectPoolConfig();
        config.setMaxTotalPerKey(-1);
        config.setBlockWhenExhausted(false);
        config.setMaxWaitMillis(0);
        config.setMaxIdlePerKey(1);
        config.setMaxTotal(maxOpenPreparedStatements);
        if (dataSourceJmxName != null) {
            final StringBuilder base = new StringBuilder(dataSourceJmxName.toString());
            base.append(Constants.JMX_CONNECTION_BASE_EXT);
            base.append(Long.toString(connIndex));
            config.setJmxNameBase(base.toString());
            config.setJmxNamePrefix(Constants.JMX_STATEMENT_POOL_PREFIX);
        } else {
            config.setJmxEnabled(false);
        }
        final KeyedObjectPool<PStmtKey, DelegatingPreparedStatement> stmtPool = new GenericKeyedObjectPool<>((PoolingConnection) conn, config);
        ((PoolingConnection) conn).setStatementPool(stmtPool);
        ((PoolingConnection) conn).setCacheState(_cacheState);
    }
    // Register this connection with JMX
    ObjectName connJmxName;
    if (dataSourceJmxName == null) {
        connJmxName = null;
    } else {
        connJmxName = new ObjectName(dataSourceJmxName.toString() + Constants.JMX_CONNECTION_BASE_EXT + connIndex);
    }
    final PoolableConnection pc = new PoolableConnection(conn, _pool, connJmxName, _disconnectionSqlCodes, _fastFailValidation);
    pc.setCacheState(_cacheState);
    return new DefaultPooledObject<>(pc);
}

Example 4 with GenericKeyedObjectPool

use of org.apache.tomcat.dbcp.pool2.impl.GenericKeyedObjectPool in project jmeter by apache.

the class AbstractGraphiteMetricsSender method createSocketOutputStreamPool.

/**
     * Create a new keyed pool of {@link SocketOutputStream}s using a
     * {@link SocketOutputStreamPoolFactory}. The keys for the pool are
     * {@link SocketConnectionInfos} instances.
     *
     * @return GenericKeyedObjectPool the newly generated pool
     */
protected GenericKeyedObjectPool<SocketConnectionInfos, SocketOutputStream> createSocketOutputStreamPool() {
    GenericKeyedObjectPoolConfig config = new GenericKeyedObjectPoolConfig();
    config.setTestOnBorrow(true);
    config.setTestWhileIdle(true);
    config.setMaxTotalPerKey(-1);
    config.setMaxTotal(-1);
    config.setMaxIdlePerKey(-1);
    config.setMinEvictableIdleTimeMillis(TimeUnit.MINUTES.toMillis(3));
    config.setTimeBetweenEvictionRunsMillis(TimeUnit.MINUTES.toMillis(3));
    return new GenericKeyedObjectPool<>(new SocketOutputStreamPoolFactory(SOCKET_CONNECT_TIMEOUT_MS, SOCKET_TIMEOUT), config);
}

Example 5 with GenericKeyedObjectPool

use of org.apache.tomcat.dbcp.pool2.impl.GenericKeyedObjectPool in project openhab1-addons by openhab.

the class ModbusBinding method reconstructConnectionPool.

private static void reconstructConnectionPool() {
    connectionFactory = new ModbusSlaveConnectionFactoryImpl();
    GenericKeyedObjectPool<ModbusSlaveEndpoint, ModbusSlaveConnection> genericKeyedObjectPool = new GenericKeyedObjectPool<ModbusSlaveEndpoint, ModbusSlaveConnection>(connectionFactory, poolConfig);
    genericKeyedObjectPool.setSwallowedExceptionListener(new SwallowedExceptionListener() {

        @Override
        public void onSwallowException(Exception e) {
            logger.error("Connection pool swallowed unexpected exception: {}", e.getMessage());
        }
    });
    connectionPool = genericKeyedObjectPool;
}