Examples with PoolableConnection org.apache.tomcat.dbcp.dbcp2.PoolableConnection used on opensource projects

Example 6 with PoolableConnection

use of org.apache.tomcat.dbcp.dbcp2.PoolableConnection in project kie-wb-common by kiegroup.

the class DBCPDataSourceProvider method deploy.

@Override
public DataSourceDeploymentInfo deploy(DataSourceDef dataSourceDef) throws Exception {
    DriverDef driverDef = null;
    for (DriverDef _driverDef : driverProvider.getDeployments()) {
        if (_driverDef.getUuid().equals(dataSourceDef.getDriverUuid())) {
            driverDef = _driverDef;
            break;
        }
    }
    if (driverDef == null) {
        throw new Exception("Required driver: " + dataSourceDef.getDriverUuid() + " is not deployed");
    }
    final URI uri = artifactResolver.resolve(driverDef.getGroupId(), driverDef.getArtifactId(), driverDef.getVersion());
    if (uri == null) {
        throw new Exception("Unable to get driver library artifact for driver: " + driverDef);
    }
    final Properties properties = new Properties();
    properties.setProperty("user", dataSourceDef.getUser());
    properties.setProperty("password", dataSourceDef.getPassword());
    final URLConnectionFactory urlConnectionFactory = buildConnectionFactory(uri, driverDef.getDriverClass(), dataSourceDef.getConnectionURL(), properties);
    // Connection Factory that the pool will use for creating connections.
    ConnectionFactory connectionFactory = new DBCPConnectionFactory(urlConnectionFactory);
    // Poolable connection factory
    PoolableConnectionFactory poolableConnectionFactory = new PoolableConnectionFactory(connectionFactory, null);
    // The pool to be used by the ConnectionFactory
    ObjectPool<PoolableConnection> connectionPool = new GenericObjectPool<>(poolableConnectionFactory);
    // Set the factory's pool property to the owning pool
    poolableConnectionFactory.setPool(connectionPool);
    // Finally create DataSource
    PoolingDataSource<PoolableConnection> dataSource = new PoolingDataSource<>(connectionPool);
    DataSourceDeploymentInfo deploymentInfo = new DataSourceDeploymentInfo(dataSourceDef.getUuid(), true, dataSourceDef.getUuid(), false);
    deploymentRegistry.put(deploymentInfo.getDeploymentId(), new DBCPDataSource(dataSource));
    deploymentInfos.put(deploymentInfo.getDeploymentId(), deploymentInfo);
    deployedDataSources.put(deploymentInfo.getDeploymentId(), dataSourceDef);
    return deploymentInfo;
}

Example 7 with PoolableConnection

use of org.apache.tomcat.dbcp.dbcp2.PoolableConnection in project tomee by apache.

the class DbcpNPEXAConnectionTest method check.

@Test
public void check() throws SQLException {
    final Connection con = ejb.newConn();
    // no NPE
    con.close();
    Assert.assertTrue("Connection was not closed", con.isClosed());
    final GenericObjectPool<PoolableConnection> pool = GenericObjectPool.class.cast(Reflections.get(ds, "connectionPool"));
    assertEquals(0, pool.getNumActive());
}

Example 8 with PoolableConnection

use of org.apache.tomcat.dbcp.dbcp2.PoolableConnection in project datanucleus-rdbms by datanucleus.

the class DBCP2BuiltinConnectionPoolFactory method createConnectionPool.

/* (non-Javadoc)
     * @see org.datanucleus.store.rdbms.datasource.ConnectionPoolFactory#createConnectionPool(org.datanucleus.store.StoreManager)
     */
public ConnectionPool createConnectionPool(StoreManager storeMgr) {
    // Load the database driver
    String dbDriver = storeMgr.getConnectionDriverName();
    if (!StringUtils.isWhitespace(dbDriver)) {
        loadDriver(dbDriver, storeMgr.getNucleusContext().getClassLoaderResolver(null));
    }
    String dbURL = storeMgr.getConnectionURL();
    PoolingDataSource ds = null;
    GenericObjectPool<PoolableConnection> connectionPool;
    try {
        // Create a factory to be used by the pool to create the connections
        Properties dbProps = getPropertiesForDriver(storeMgr);
        ConnectionFactory connectionFactory = new DriverManagerConnectionFactory(dbURL, dbProps);
        // Wrap the connections and statements with pooled variants
        PoolableConnectionFactory poolableCF = null;
        poolableCF = new PoolableConnectionFactory(connectionFactory, null);
        String testSQL = null;
        if (storeMgr.hasProperty(RDBMSPropertyNames.PROPERTY_CONNECTION_POOL_TEST_SQL)) {
            testSQL = storeMgr.getStringProperty(RDBMSPropertyNames.PROPERTY_CONNECTION_POOL_TEST_SQL);
            poolableCF.setValidationQuery(testSQL);
        }
        if (storeMgr.hasProperty(RDBMSPropertyNames.PROPERTY_CONNECTION_POOL_VALIDATION_TIMEOUT)) {
            int validationTimeout = storeMgr.getIntProperty(RDBMSPropertyNames.PROPERTY_CONNECTION_POOL_VALIDATION_TIMEOUT);
            if (validationTimeout >= 0) {
                poolableCF.setValidationQueryTimeout(validationTimeout);
            }
        }
        // Create the actual pool of connections, and apply any properties
        connectionPool = new GenericObjectPool(poolableCF);
        poolableCF.setPool(connectionPool);
        if (testSQL != null) {
            connectionPool.setTestOnBorrow(true);
        }
        if (storeMgr.hasProperty(RDBMSPropertyNames.PROPERTY_CONNECTION_POOL_MAX_IDLE)) {
            int value = storeMgr.getIntProperty(RDBMSPropertyNames.PROPERTY_CONNECTION_POOL_MAX_IDLE);
            if (value > 0) {
                connectionPool.setMaxIdle(value);
            }
        }
        if (storeMgr.hasProperty(RDBMSPropertyNames.PROPERTY_CONNECTION_POOL_MIN_IDLE)) {
            int value = storeMgr.getIntProperty(RDBMSPropertyNames.PROPERTY_CONNECTION_POOL_MIN_IDLE);
            if (value > 0) {
                connectionPool.setMinIdle(value);
            }
        }
        if (storeMgr.hasProperty(RDBMSPropertyNames.PROPERTY_CONNECTION_POOL_MAX_ACTIVE)) {
            int value = storeMgr.getIntProperty(RDBMSPropertyNames.PROPERTY_CONNECTION_POOL_MAX_ACTIVE);
            if (value > 0) {
                connectionPool.setMaxTotal(value);
            }
        }
        if (storeMgr.hasProperty(RDBMSPropertyNames.PROPERTY_CONNECTION_POOL_MAX_WAIT)) {
            int value = storeMgr.getIntProperty(RDBMSPropertyNames.PROPERTY_CONNECTION_POOL_MAX_WAIT);
            if (value > 0) {
                connectionPool.setMaxWaitMillis(value);
            }
        }
        if (storeMgr.hasProperty(RDBMSPropertyNames.PROPERTY_CONNECTION_POOL_TIME_BETWEEN_EVICTOR_RUNS_MILLIS)) {
            // how often should the evictor run (if ever, default is -1 = off)
            int value = storeMgr.getIntProperty(RDBMSPropertyNames.PROPERTY_CONNECTION_POOL_TIME_BETWEEN_EVICTOR_RUNS_MILLIS);
            if (value > 0) {
                connectionPool.setTimeBetweenEvictionRunsMillis(value);
                // in each eviction run, evict at least a quarter of "maxIdle" connections
                int maxIdle = connectionPool.getMaxIdle();
                int numTestsPerEvictionRun = (int) Math.ceil((double) maxIdle / 4);
                connectionPool.setNumTestsPerEvictionRun(numTestsPerEvictionRun);
            }
        }
        if (storeMgr.hasProperty(RDBMSPropertyNames.PROPERTY_CONNECTION_POOL_MIN_EVICTABLE_IDLE_TIME_MILLIS)) {
            // how long may a connection sit idle in the pool before it may be evicted
            int value = storeMgr.getIntProperty(RDBMSPropertyNames.PROPERTY_CONNECTION_POOL_MIN_EVICTABLE_IDLE_TIME_MILLIS);
            if (value > 0) {
                connectionPool.setMinEvictableIdleTimeMillis(value);
            }
        }
        // Create the datasource
        ds = new org.datanucleus.store.rdbms.datasource.dbcp2.PoolingDataSource(connectionPool);
    } catch (Exception e) {
        throw new DatastorePoolException("DBCP2", dbDriver, dbURL, e);
    }
    return new DBCPConnectionPool(ds, connectionPool);
}

Example 9 with PoolableConnection

use of org.apache.tomcat.dbcp.dbcp2.PoolableConnection in project athenz by yahoo.

the class AthenzDataSourceTest method testClearPoolConnectionsException.

@Test
public void testClearPoolConnectionsException() throws Exception {
    ObjectPool<PoolableConnection> pool = Mockito.mock(ObjectPool.class);
    Mockito.doThrow(new SQLException()).when(pool).clear();
    AthenzDataSource dataSource = new AthenzDataSource(pool);
    dataSource.clearPoolConnections();
}

Example 10 with PoolableConnection

use of org.apache.tomcat.dbcp.dbcp2.PoolableConnection in project logging-log4j2 by apache.

the class PoolingDriverConnectionSource method setupDriver.

private void setupDriver(final String connectionString, final PoolableConnectionFactoryConfig poolableConnectionFactoryConfig) throws SQLException {
    // 
    // First, we'll create a ConnectionFactory that the
    // pool will use to create Connections.
    // We'll use the DriverManagerConnectionFactory,
    // using the connect string passed in the command line
    // arguments.
    // 
    final Property[] properties = getProperties();
    final char[] userName = getUserName();
    final char[] password = getPassword();
    final ConnectionFactory connectionFactory;
    if (properties != null && properties.length > 0) {
        if (userName != null || password != null) {
            throw new SQLException("Either set the userName and password, or set the Properties, but not both.");
        }
        connectionFactory = new DriverManagerConnectionFactory(connectionString, toProperties(properties));
    } else {
        connectionFactory = new DriverManagerConnectionFactory(connectionString, toString(userName), toString(password));
    }
    // 
    // Next, we'll create the PoolableConnectionFactory, which wraps
    // the "real" Connections created by the ConnectionFactory with
    // the classes that implement the pooling functionality.
    // 
    final PoolableConnectionFactory poolableConnectionFactory = new PoolableConnectionFactory(connectionFactory, null);
    if (poolableConnectionFactoryConfig != null) {
        poolableConnectionFactoryConfig.init(poolableConnectionFactory);
    }
    // 
    // Now we'll need a ObjectPool that serves as the
    // actual pool of connections.
    // 
    // We'll use a GenericObjectPool instance, although
    // any ObjectPool implementation will suffice.
    // 
    @SuppressWarnings("resource") final ObjectPool<PoolableConnection> // This GenericObjectPool will be closed on shutdown
    connectionPool = new GenericObjectPool<>(poolableConnectionFactory);
    // Set the factory's pool property to the owning pool
    poolableConnectionFactory.setPool(connectionPool);
    loadDriver(poolingDriverClassName);
    final PoolingDriver driver = getPoolingDriver();
    if (driver != null) {
        getLogger().debug("Registering DBCP pool '{}' with pooling driver {}: {}", poolName, driver, connectionPool);
        driver.registerPool(poolName, connectionPool);
    }
// 
// Now we can just use the connect string "jdbc:apache:commons:dbcp:example"
// to access our pool of Connections.
// 
}