Example usage for org.apache.commons.pool.impl GenericObjectPool getMaxActive

List of usage examples for org.apache.commons.pool.impl GenericObjectPool getMaxActive

Introduction

In this page you can find the example usage for org.apache.commons.pool.impl GenericObjectPool getMaxActive.

Prototype

public synchronized int getMaxActive() 

Source Link

Document

Returns the maximum number of objects that can be allocated by the pool (checked out to clients, or idle awaiting checkout) at a given time.

Usage

From source file:com.adaptris.core.services.splitter.ServiceWorkerPoolLegacyTest.java

@Test
public void testCreateObjectPool() throws Exception {
    GenericObjectPool<ServiceWorkerPool.Worker> pool = createObjectPool();
    assertNotNull(pool);/*w  ww  .j  a va 2s .c  om*/
    assertEquals(10, pool.getMaxActive());
    assertEquals(10, pool.getMinIdle());
    assertEquals(10, pool.getMaxIdle());
    assertEquals(-1, pool.getMaxWait());
    assertEquals(GenericObjectPool.WHEN_EXHAUSTED_BLOCK, pool.getWhenExhaustedAction());
}

From source file:com.thoughtworks.studios.shine.cruise.stage.details.LazyStageGraphLoaderTest.java

private void assertPoolSize(LazyStageGraphLoader loader, final int expectedSize) {
    GenericObjectPool transformerRegistryPool = (GenericObjectPool) ReflectionUtil.getField(loader,
            "transformerRegistryPool");
    assertThat(transformerRegistryPool.getMaxActive(), is(expectedSize));
}

From source file:com.zotoh.core.db.JDBCPoolManager.java

private synchronized JDBCPool create(String pool, JDBCInfo param, Properties props) throws SQLException {
    if (existsPool(pool)) {
        throw new SQLException("Jdbc Pool already exists: " + pool);
    }/*from   w w w  .  j a v a 2  s  .  com*/

    PoolableConnectionFactory pcf;
    DriverConnectionFactory dcf;
    GenericObjectPool gop;
    DBVendor dbv;
    ObjectPool p;
    Driver d;

    tlog().debug("JDBCPoolMgr: Driver : {}", param.getDriver());
    tlog().debug("JDBCPoolMgr: URL : {}", param.getUrl());

    //        Ute.loadDriver(param.getDriver());
    d = DriverManager.getDriver(param.getUrl());
    dbv = DBUte.getDBVendor(param);

    dcf = new DriverConnectionFactory(d, param.getUrl(), props);
    gop = new GenericObjectPool();
    gop.setMaxActive(asInt(props.getProperty("max-conns"), 10));
    gop.setTestOnBorrow(true);
    gop.setMaxIdle(gop.getMaxActive());
    gop.setMinIdle(asInt(props.getProperty("min-conns"), 2));
    gop.setMaxWait(asLong(props.getProperty("max-wait4-conn-millis"), 1500L));
    gop.setMinEvictableIdleTimeMillis(asLong(props.getProperty("evict-conn-ifidle-millis"), 300000L));
    gop.setTimeBetweenEvictionRunsMillis(asLong(props.getProperty("check-evict-every-millis"), 60000L));

    pcf = new PoolableConnectionFactory(dcf, gop, null, null, true, false);
    pcf.setDefaultReadOnly(false);
    p = pcf.getPool();

    JDBCPool j = new JDBCPool(dbv, param, p);
    _ps.put(pool, j);

    tlog().debug("JDBCPoolMgr: Added db pool: {}, info= {}", pool, param);
    return j;
}

From source file:edu.illinois.enforcemop.examples.apache.pool.TestGenericObjectPool.java

public void testSettersAndGetters() throws Exception {
    GenericObjectPool pool = new GenericObjectPool();
    {//from w w  w  .  j  a  va2s .c o  m
        pool.setFactory(new SimpleFactory());
    }
    {
        pool.setMaxActive(123);
        assertEquals(123, pool.getMaxActive());
    }
    {
        pool.setMaxIdle(12);
        assertEquals(12, pool.getMaxIdle());
    }
    {
        pool.setMaxWait(1234L);
        assertEquals(1234L, pool.getMaxWait());
    }
    {
        pool.setMinEvictableIdleTimeMillis(12345L);
        assertEquals(12345L, pool.getMinEvictableIdleTimeMillis());
    }
    {
        pool.setNumTestsPerEvictionRun(11);
        assertEquals(11, pool.getNumTestsPerEvictionRun());
    }
    {
        pool.setTestOnBorrow(true);
        assertTrue(pool.getTestOnBorrow());
        pool.setTestOnBorrow(false);
        assertTrue(!pool.getTestOnBorrow());
    }
    {
        pool.setTestOnReturn(true);
        assertTrue(pool.getTestOnReturn());
        pool.setTestOnReturn(false);
        assertTrue(!pool.getTestOnReturn());
    }
    {
        pool.setTestWhileIdle(true);
        assertTrue(pool.getTestWhileIdle());
        pool.setTestWhileIdle(false);
        assertTrue(!pool.getTestWhileIdle());
    }
    {
        pool.setTimeBetweenEvictionRunsMillis(11235L);
        assertEquals(11235L, pool.getTimeBetweenEvictionRunsMillis());
    }
    {
        pool.setSoftMinEvictableIdleTimeMillis(12135L);
        assertEquals(12135L, pool.getSoftMinEvictableIdleTimeMillis());
    }
    {
        pool.setWhenExhaustedAction(GenericObjectPool.WHEN_EXHAUSTED_BLOCK);
        assertEquals(GenericObjectPool.WHEN_EXHAUSTED_BLOCK, pool.getWhenExhaustedAction());
        pool.setWhenExhaustedAction(GenericObjectPool.WHEN_EXHAUSTED_FAIL);
        assertEquals(GenericObjectPool.WHEN_EXHAUSTED_FAIL, pool.getWhenExhaustedAction());
        pool.setWhenExhaustedAction(GenericObjectPool.WHEN_EXHAUSTED_GROW);
        assertEquals(GenericObjectPool.WHEN_EXHAUSTED_GROW, pool.getWhenExhaustedAction());
    }
}

From source file:edu.illinois.enforcemop.examples.apache.pool.TestGenericObjectPool.java

private void assertConfiguration(GenericObjectPool.Config expected, GenericObjectPool actual) throws Exception {
    assertEquals("testOnBorrow", expected.testOnBorrow, actual.getTestOnBorrow());
    assertEquals("testOnReturn", expected.testOnReturn, actual.getTestOnReturn());
    assertEquals("testWhileIdle", expected.testWhileIdle, actual.getTestWhileIdle());
    assertEquals("whenExhaustedAction", expected.whenExhaustedAction, actual.getWhenExhaustedAction());
    assertEquals("maxActive", expected.maxActive, actual.getMaxActive());
    assertEquals("maxIdle", expected.maxIdle, actual.getMaxIdle());
    assertEquals("maxWait", expected.maxWait, actual.getMaxWait());
    assertEquals("minEvictableIdleTimeMillis", expected.minEvictableIdleTimeMillis,
            actual.getMinEvictableIdleTimeMillis());
    assertEquals("numTestsPerEvictionRun", expected.numTestsPerEvictionRun, actual.getNumTestsPerEvictionRun());
    assertEquals("timeBetweenEvictionRunsMillis", expected.timeBetweenEvictionRunsMillis,
            actual.getTimeBetweenEvictionRunsMillis());
}

From source file:edu.illinois.enforcemop.examples.apache.pool.TestGenericObjectPool.java

private void checkEvictorVisiting(boolean lifo) throws Exception {
    VisitTrackerFactory factory = new VisitTrackerFactory();
    GenericObjectPool pool = new GenericObjectPool(factory);
    pool.setNumTestsPerEvictionRun(2);/*  ww  w  . j  a  va  2s.  c  o m*/
    pool.setMinEvictableIdleTimeMillis(-1);
    pool.setTestWhileIdle(true);
    pool.setLifo(lifo);
    pool.setTestOnReturn(false);
    pool.setTestOnBorrow(false);
    for (int i = 0; i < 8; i++) {
        pool.addObject();
    }
    pool.evict(); // Visit oldest 2 - 0 and 1
    Object obj = pool.borrowObject();
    pool.returnObject(obj);
    obj = pool.borrowObject();
    pool.returnObject(obj);
    // borrow, return, borrow, return
    // FIFO will move 0 and 1 to end
    // LIFO, 7 out, then in, then out, then in
    pool.evict(); // Should visit 2 and 3 in either case
    for (int i = 0; i < 8; i++) {
        VisitTracker tracker = (VisitTracker) pool.borrowObject();
        if (tracker.getId() >= 4) {
            assertEquals("Unexpected instance visited " + tracker.getId(), 0, tracker.getValidateCount());
        } else {
            assertEquals("Instance " + tracker.getId() + " visited wrong number of times.", 1,
                    tracker.getValidateCount());
        }
    }

    factory = new VisitTrackerFactory();
    pool = new GenericObjectPool(factory);
    pool.setNumTestsPerEvictionRun(3);
    pool.setMinEvictableIdleTimeMillis(-1);
    pool.setTestWhileIdle(true);
    pool.setLifo(lifo);
    pool.setTestOnReturn(false);
    pool.setTestOnBorrow(false);
    for (int i = 0; i < 8; i++) {
        pool.addObject();
    }
    pool.evict(); // 0, 1, 2
    pool.evict(); // 3, 4, 5
    obj = pool.borrowObject();
    pool.returnObject(obj);
    obj = pool.borrowObject();
    pool.returnObject(obj);
    obj = pool.borrowObject();
    pool.returnObject(obj);
    // borrow, return, borrow, return
    // FIFO 3,4,5,6,7,0,1,2
    // LIFO 7,6,5,4,3,2,1,0
    // In either case, pointer should be at 6
    pool.evict();
    // Should hit 6,7,0 - 0 for second time
    for (int i = 0; i < 8; i++) {
        VisitTracker tracker = (VisitTracker) pool.borrowObject();
        if (tracker.getId() != 0) {
            assertEquals("Instance " + tracker.getId() + " visited wrong number of times.", 1,
                    tracker.getValidateCount());
        } else {
            assertEquals("Instance " + tracker.getId() + " visited wrong number of times.", 2,
                    tracker.getValidateCount());
        }
    }
    // Randomly generate a pools with random numTests
    // and make sure evictor cycles through elements appropriately
    int[] smallPrimes = { 2, 3, 5, 7 };
    Random random = new Random();
    random.setSeed(System.currentTimeMillis());
    for (int i = 0; i < 4; i++) {
        pool.setNumTestsPerEvictionRun(smallPrimes[i]);
        for (int j = 0; j < 5; j++) {
            pool = new GenericObjectPool(factory);
            pool.setNumTestsPerEvictionRun(3);
            pool.setMinEvictableIdleTimeMillis(-1);
            pool.setTestWhileIdle(true);
            pool.setLifo(lifo);
            pool.setTestOnReturn(false);
            pool.setTestOnBorrow(false);
            pool.setMaxIdle(-1);
            int instanceCount = 10 + random.nextInt(20);
            pool.setMaxActive(instanceCount);
            for (int k = 0; k < instanceCount; k++) {
                pool.addObject();
            }

            // Execute a random number of evictor runs
            int runs = 10 + random.nextInt(50);
            for (int k = 0; k < runs; k++) {
                pool.evict();
            }

            // Number of times evictor should have cycled through the pool
            int cycleCount = (runs * pool.getNumTestsPerEvictionRun()) / instanceCount;

            // Look at elements and make sure they are visited cycleCount
            // or cycleCount + 1 times
            VisitTracker tracker = null;
            int visitCount = 0;
            for (int k = 0; k < instanceCount; k++) {
                tracker = (VisitTracker) pool.borrowObject();
                assertTrue(pool.getNumActive() <= pool.getMaxActive());
                visitCount = tracker.getValidateCount();
                assertTrue(visitCount >= cycleCount && visitCount <= cycleCount + 1);
            }
        }
    }
}

From source file:org.apache.slide.store.impl.rdbms.JDBCStore.java

/**
 * Initializes driver.//from  w w w  .  java2  s .c  om
 * <p/>
 * Occurs in four steps :
 * <li>Driver class is loaded</li>
 * <li>Driver is instantiated</li>
 * <li>Driver registration in the driver manager</li>
 * <li>Creation of the basic tables, if they didn't exist before</li>
 * 
 * @exception ServiceInitializationFailedException Throws an exception 
 * if the data source has already been initialized before
 */
public synchronized void initialize(NamespaceAccessToken token) throws ServiceInitializationFailedException {

    // XXX might be done already in setParameter
    if (!alreadyInitialized) {
        try {
            // Loading and registering driver
            getLogger().log("Loading and registering driver '" + driver + "'", LOG_CHANNEL, Logger.INFO);
            Class driverClass = Class.forName(driver);
            Driver driverInstance = (Driver) driverClass.newInstance();

            String levelString = isolationLevelToString(isolationLevel);

            getLogger().log("Setting isolation level '" + levelString + "'", LOG_CHANNEL, Logger.INFO);

            // use DBCP pooling if enabled
            if (useDbcpPooling) {
                getLogger().log("Using DBCP pooling", LOG_CHANNEL, Logger.INFO);
                GenericObjectPool connectionPool = new GenericObjectPool(null);
                if (maxPooledConnections != -1) {
                    connectionPool.setMaxActive(maxPooledConnections);
                }
                getLogger().log("Number of connections set to " + connectionPool.getMaxActive(), 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(),
                        null, null, false, false, isolationLevel);
                PoolingDriver driver = new PoolingDriver();
                driver.registerPool(dbcpPoolName, connectionPool);
                // already done when loding PoolingDriver class 
                //                DriverManager.registerDriver(driver);
            } else {
                DriverManager.registerDriver(driverInstance);
                getLogger().log("Not using DBCP pooling", LOG_CHANNEL, Logger.WARNING);
            }
        } catch (Exception e) {
            getLogger().log("Loading and registering driver '" + driver + "' failed (" + e.getMessage() + ")",
                    LOG_CHANNEL, Logger.ERROR);
            throw new ServiceInitializationFailedException(this, e);
        } finally {
            alreadyInitialized = true;
        }
    }

}

From source file:org.cytobank.fcs_files.events.MemoryEvents.java

/**
 * Start the tracking monitor to list out opened events
 *///from  w w  w. jav  a2 s  . c o  m
protected static void startMonitor() {
    if (cleanupThread != null)
        return;

    cleanupThread = new Thread("MemoryEventsArray Cleanup") {
        public void run() {
            logger.info(this.getName() + " Started");

            int lastNumberOfReferencedMemoryEventsArrays = -1;
            while (true) {
                try {
                    int numberOfReferencedMemoryEventsArrays = 0;
                    int numberOfCleanedUpMemoryEventsArrays = 0;

                    ////////////////////// Release no longer used memory referencedMemoryEventsArrays

                    MemoryEventsArray[] iHateThatConcurrentModificationExceptionsExist = new MemoryEventsArray[referencedMemoryEventsArrays
                            .size()];
                    iHateThatConcurrentModificationExceptionsExist = referencedMemoryEventsArrays
                            .toArray(iHateThatConcurrentModificationExceptionsExist);
                    for (MemoryEventsArray referencedMemoryEventsArray : iHateThatConcurrentModificationExceptionsExist) {

                        // Calling isReferenced returns the events array to their owning pools
                        if (!referencedMemoryEventsArray.releaseIfNotReferenced()) {
                            referencedMemoryEventsArrays.remove(referencedMemoryEventsArray);
                            numberOfCleanedUpMemoryEventsArrays++;
                        } else {
                            numberOfReferencedMemoryEventsArrays++;
                        }
                    }

                    if ((numberOfReferencedMemoryEventsArrays > 0
                            && numberOfReferencedMemoryEventsArrays != lastNumberOfReferencedMemoryEventsArrays)
                            || numberOfCleanedUpMemoryEventsArrays > 0) {
                        logger.info("::::: Number of active MemoryEventsArray: "
                                + numberOfReferencedMemoryEventsArrays + " Cleaned up: "
                                + numberOfCleanedUpMemoryEventsArrays + " :::::");
                    }

                    lastNumberOfReferencedMemoryEventsArrays = numberOfReferencedMemoryEventsArrays;

                    ////////////////////// Print pool status

                    for (String poolName : poolsByName.keySet()) {
                        GenericObjectPool pool = poolsByName.get(poolName);
                        int numberOfIdleEvents = pool.getNumIdle();
                        int numberOfActiveEvents = pool.getNumActive() - numberOfIdleEvents;
                        int numberOfMaxEvents = pool.getMaxActive();

                        if (numberOfActiveEvents > 0)
                            logger.info("::::: " + poolName + " Number of active memory event arrays: "
                                    + numberOfActiveEvents + "/" + numberOfMaxEvents + " Idle: "
                                    + numberOfIdleEvents + " :::::");
                    }
                } catch (Throwable t) {
                    logger.log(Level.INFO, "Problem in MemoryEventsArray Cleanup Thread loop", t);
                }

                try {
                    Thread.sleep(CLEANUP_INTERVAL);
                } catch (Throwable t) {
                    logger.log(Level.INFO, this.getName() + " exiting. " + t.toString());
                    break;
                }
            }
        }
    };

    cleanupThread.setDaemon(true);
    cleanupThread.start();
}

From source file:org.pentaho.platform.engine.services.connection.datasource.dbcp.PooledDatasourceHelper.java

public static PoolingDataSource setupPooledDataSource(IDatabaseConnection databaseConnection)
        throws DBDatasourceServiceException {
    PoolingDataSource poolingDataSource = null;
    String driverClass = null;//ww  w  .  jav a  2s. co  m
    String url = null;
    try {
        if (databaseConnection.getAccessType().equals(DatabaseAccessType.JNDI)) {
            throw new DBDatasourceServiceException(Messages.getInstance().getErrorString(
                    "PooledDatasourceHelper.ERROR_0008_UNABLE_TO_POOL_DATASOURCE_IT_IS_JNDI",
                    databaseConnection.getName()));
        }
        ICacheManager cacheManager = PentahoSystem.getCacheManager(null);
        IDatabaseDialectService databaseDialectService = PentahoSystem.get(IDatabaseDialectService.class);
        if (databaseDialectService == null) {
            throw new DBDatasourceServiceException(Messages.getInstance().getErrorString(
                    "PooledDatasourceHelper.ERROR_0005_UNABLE_TO_POOL_DATASOURCE_NO_DIALECT_SERVICE",
                    databaseConnection.getName()));
        }
        IDatabaseDialect dialect = databaseDialectService.getDialect(databaseConnection);
        if (dialect == null || dialect.getDatabaseType() == null) {
            throw new DBDatasourceServiceException(Messages.getInstance().getErrorString(
                    "PooledDatasourceHelper.ERROR_0004_UNABLE_TO_POOL_DATASOURCE_NO_DIALECT",
                    databaseConnection.getName()));
        }
        if (databaseConnection.getDatabaseType().getShortName().equals("GENERIC")) { //$NON-NLS-1$
            driverClass = databaseConnection.getAttributes()
                    .get(GenericDatabaseDialect.ATTRIBUTE_CUSTOM_DRIVER_CLASS);
            if (StringUtils.isEmpty(driverClass)) {
                throw new DBDatasourceServiceException(Messages.getInstance().getErrorString(
                        "PooledDatasourceHelper.ERROR_0006_UNABLE_TO_POOL_DATASOURCE_NO_CLASSNAME",
                        databaseConnection.getName()));
            }

        } else {
            driverClass = dialect.getNativeDriver();
            if (StringUtils.isEmpty(driverClass)) {
                throw new DBDatasourceServiceException(Messages.getInstance().getErrorString(
                        "PooledDatasourceHelper.ERROR_0007_UNABLE_TO_POOL_DATASOURCE_NO_DRIVER",
                        databaseConnection.getName()));
            }
        }
        try {
            url = dialect.getURLWithExtraOptions(databaseConnection);
        } catch (DatabaseDialectException e) {
            url = null;
        }

        // Read default connection pooling parameter
        String maxdleConn = PentahoSystem.getSystemSetting("dbcp-defaults/max-idle-conn", null); //$NON-NLS-1$ 
        String minIdleConn = PentahoSystem.getSystemSetting("dbcp-defaults/min-idle-conn", null); //$NON-NLS-1$    
        String maxActConn = PentahoSystem.getSystemSetting("dbcp-defaults/max-act-conn", null); //$NON-NLS-1$
        String validQuery = null;
        String whenExhaustedAction = PentahoSystem.getSystemSetting("dbcp-defaults/when-exhausted-action", //$NON-NLS-1$
                null);
        String wait = PentahoSystem.getSystemSetting("dbcp-defaults/wait", null); //$NON-NLS-1$
        String testWhileIdleValue = PentahoSystem.getSystemSetting("dbcp-defaults/test-while-idle", null); //$NON-NLS-1$
        String testOnBorrowValue = PentahoSystem.getSystemSetting("dbcp-defaults/test-on-borrow", null); //$NON-NLS-1$
        String testOnReturnValue = PentahoSystem.getSystemSetting("dbcp-defaults/test-on-return", null); //$NON-NLS-1$

        // property initialization
        boolean testWhileIdle = !StringUtil.isEmpty(testWhileIdleValue)
                ? Boolean.parseBoolean(testWhileIdleValue)
                : false;
        boolean testOnBorrow = !StringUtil.isEmpty(testOnBorrowValue) ? Boolean.parseBoolean(testOnBorrowValue)
                : false;
        boolean testOnReturn = !StringUtil.isEmpty(testOnReturnValue) ? Boolean.parseBoolean(testOnReturnValue)
                : false;
        int maxActiveConnection = !StringUtil.isEmpty(maxActConn) ? Integer.parseInt(maxActConn) : -1;
        long waitTime = !StringUtil.isEmpty(wait) ? Integer.parseInt(wait) : -1;
        byte whenExhaustedActionType = !StringUtil.isEmpty(whenExhaustedAction)
                ? Byte.parseByte(whenExhaustedAction)
                : GenericObjectPool.WHEN_EXHAUSTED_BLOCK;
        int minIdleConnection = !StringUtil.isEmpty(minIdleConn) ? Integer.parseInt(minIdleConn) : -1;
        int maxIdleConnection = !StringUtil.isEmpty(maxdleConn) ? Integer.parseInt(maxdleConn) : -1;

        // setting properties according to user specifications
        Map<String, String> attributes = databaseConnection.getConnectionPoolingProperties();

        if (attributes.containsKey(IDBDatasourceService.MAX_ACTIVE_KEY)
                && NumberUtils.isNumber(attributes.get(IDBDatasourceService.MAX_ACTIVE_KEY))) {
            maxActiveConnection = Integer.parseInt(attributes.get(IDBDatasourceService.MAX_ACTIVE_KEY));
        }
        if (attributes.containsKey(IDBDatasourceService.MAX_WAIT_KEY)
                && NumberUtils.isNumber(attributes.get(IDBDatasourceService.MAX_WAIT_KEY))) {
            waitTime = Integer.parseInt(attributes.get(IDBDatasourceService.MAX_WAIT_KEY));
        }
        if (attributes.containsKey(IDBDatasourceService.MIN_IDLE_KEY)
                && NumberUtils.isNumber(attributes.get(IDBDatasourceService.MIN_IDLE_KEY))) {
            minIdleConnection = Integer.parseInt(attributes.get(IDBDatasourceService.MIN_IDLE_KEY));
        }
        if (attributes.containsKey(IDBDatasourceService.MAX_IDLE_KEY)
                && NumberUtils.isNumber(attributes.get(IDBDatasourceService.MAX_IDLE_KEY))) {
            maxIdleConnection = Integer.parseInt(attributes.get(IDBDatasourceService.MAX_IDLE_KEY));
        }
        if (attributes.containsKey(IDBDatasourceService.QUERY_KEY)) {
            validQuery = attributes.get(IDBDatasourceService.QUERY_KEY);
        }
        if (attributes.containsKey(IDBDatasourceService.TEST_ON_BORROW)) {
            testOnBorrow = Boolean.parseBoolean(attributes.get(IDBDatasourceService.TEST_ON_BORROW));
        }
        if (attributes.containsKey(IDBDatasourceService.TEST_ON_RETURN)) {
            testOnReturn = Boolean.parseBoolean(attributes.get(IDBDatasourceService.TEST_ON_RETURN));
        }
        if (attributes.containsKey(IDBDatasourceService.TEST_WHILE_IDLE)) {
            testWhileIdle = Boolean.parseBoolean(attributes.get(IDBDatasourceService.TEST_WHILE_IDLE));
        }

        poolingDataSource = new PoolingDataSource();
        Class.forName(driverClass);
        // As the name says, this is a generic pool; it returns basic Object-class objects.
        GenericObjectPool pool = new GenericObjectPool(null);

        // if removedAbandoned = true, then an AbandonedObjectPool object will take GenericObjectPool's place
        if (attributes.containsKey(IDBDatasourceService.REMOVE_ABANDONED)
                && true == Boolean.parseBoolean(attributes.get(IDBDatasourceService.REMOVE_ABANDONED))) {

            AbandonedConfig config = new AbandonedConfig();
            config.setRemoveAbandoned(
                    Boolean.parseBoolean(attributes.get(IDBDatasourceService.REMOVE_ABANDONED)));

            if (attributes.containsKey(IDBDatasourceService.LOG_ABANDONED)) {
                config.setLogAbandoned(
                        Boolean.parseBoolean(attributes.get(IDBDatasourceService.LOG_ABANDONED)));
            }

            if (attributes.containsKey(IDBDatasourceService.REMOVE_ABANDONED_TIMEOUT)
                    && NumberUtils.isNumber(attributes.get(IDBDatasourceService.REMOVE_ABANDONED_TIMEOUT))) {
                config.setRemoveAbandonedTimeout(
                        Integer.parseInt(attributes.get(IDBDatasourceService.REMOVE_ABANDONED_TIMEOUT)));
            }

            pool = new AbandonedObjectPool(null, config);
        }

        pool.setWhenExhaustedAction(whenExhaustedActionType);

        // Tuning the connection pool
        pool.setMaxActive(maxActiveConnection);
        pool.setMaxIdle(maxIdleConnection);
        pool.setMaxWait(waitTime);
        pool.setMinIdle(minIdleConnection);
        pool.setTestWhileIdle(testWhileIdle);
        pool.setTestOnReturn(testOnReturn);
        pool.setTestOnBorrow(testOnBorrow);
        pool.setTestWhileIdle(testWhileIdle);

        if (attributes.containsKey(IDBDatasourceService.TIME_BETWEEN_EVICTION_RUNS_MILLIS) && NumberUtils
                .isNumber(attributes.get(IDBDatasourceService.TIME_BETWEEN_EVICTION_RUNS_MILLIS))) {
            pool.setTimeBetweenEvictionRunsMillis(
                    Long.parseLong(attributes.get(IDBDatasourceService.TIME_BETWEEN_EVICTION_RUNS_MILLIS)));
        }

        /*
         * ConnectionFactory creates connections on behalf of the pool. Here, we use the DriverManagerConnectionFactory
         * because that essentially uses DriverManager as the source of connections.
         */
        ConnectionFactory factory = null;
        if (url.startsWith("jdbc:mysql:")) {
            Properties props = new Properties();
            props.put("user", databaseConnection.getUsername());
            props.put("password", databaseConnection.getPassword());
            props.put("socketTimeout", "0");
            props.put("connectTimeout", "5000");
            factory = new DriverManagerConnectionFactory(url, props);
        } else {
            factory = new DriverManagerConnectionFactory(url, databaseConnection.getUsername(),
                    databaseConnection.getPassword());
        }

        boolean defaultReadOnly = attributes.containsKey(IDBDatasourceService.DEFAULT_READ_ONLY)
                ? Boolean.parseBoolean(attributes.get(IDBDatasourceService.TEST_WHILE_IDLE))
                : false; // default to false

        boolean defaultAutoCommit = attributes.containsKey(IDBDatasourceService.DEFAULT_AUTO_COMMIT)
                ? Boolean.parseBoolean(attributes.get(IDBDatasourceService.DEFAULT_AUTO_COMMIT))
                : true; // default to true

        KeyedObjectPoolFactory kopf = null;

        if (attributes.containsKey(IDBDatasourceService.POOL_PREPARED_STATEMENTS) && true == Boolean
                .parseBoolean(attributes.get(IDBDatasourceService.POOL_PREPARED_STATEMENTS))) {

            int maxOpenPreparedStatements = -1; // unlimited

            if (attributes.containsKey(IDBDatasourceService.MAX_OPEN_PREPARED_STATEMENTS) && NumberUtils
                    .isNumber(attributes.get(IDBDatasourceService.MAX_OPEN_PREPARED_STATEMENTS))) {

                maxOpenPreparedStatements = Integer
                        .parseInt(attributes.get(IDBDatasourceService.MAX_OPEN_PREPARED_STATEMENTS));
            }

            kopf = new GenericKeyedObjectPoolFactory(null, pool.getMaxActive(), pool.getWhenExhaustedAction(),
                    pool.getMaxWait(), pool.getMaxIdle(), maxOpenPreparedStatements);
        }

        /*
         * Puts pool-specific wrappers on factory connections. For clarification: "[PoolableConnection]Factory," not
         * "Poolable[ConnectionFactory]."
         */
        PoolableConnectionFactory pcf = new PoolableConnectionFactory(factory, // ConnectionFactory
                pool, // ObjectPool
                kopf, // KeyedObjectPoolFactory
                validQuery, // String (validation query)
                defaultReadOnly, // boolean (default to read-only?)
                defaultAutoCommit // boolean (default to auto-commit statements?)
        );

        if (attributes.containsKey(IDBDatasourceService.DEFAULT_TRANSACTION_ISOLATION)
                && !IDBDatasourceService.TRANSACTION_ISOLATION_NONE_VALUE
                        .equalsIgnoreCase(attributes.get(IDBDatasourceService.DEFAULT_TRANSACTION_ISOLATION))) {
            Isolation isolationLevel = Isolation
                    .valueOf(attributes.get(IDBDatasourceService.DEFAULT_TRANSACTION_ISOLATION));

            if (isolationLevel != null) {
                pcf.setDefaultTransactionIsolation(isolationLevel.value());
            }
        }

        if (attributes.containsKey(IDBDatasourceService.DEFAULT_CATALOG)) {
            pcf.setDefaultCatalog(attributes.get(IDBDatasourceService.DEFAULT_CATALOG));
        }

        /*
         * initialize the pool to X connections
         */
        Logger.debug(PooledDatasourceHelper.class,
                "Pool defaults to " + maxActiveConnection + " max active/" + maxIdleConnection + "max idle" //$NON-NLS-3$
                        + "with " + waitTime + "wait time"//$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-4$ //$NON-NLS-5$
                        + " idle connections."); //$NON-NLS-1$

        for (int i = 0; i < maxIdleConnection; ++i) {
            pool.addObject();
        }
        Logger.debug(PooledDatasourceHelper.class,
                "Pool now has " + pool.getNumActive() + " active/" + pool.getNumIdle() + " idle connections."); //$NON-NLS-3$ //$NON-NLS-2$ //$NON-NLS-3$
        /*
         * All of this is wrapped in a DataSource, which client code should already know how to handle (since it's the
         * same class of object they'd fetch via the container's JNDI tree
         */
        poolingDataSource.setPool(pool);

        if (attributes.containsKey(IDBDatasourceService.ACCESS_TO_UNDERLYING_CONNECTION_ALLOWED)) {
            poolingDataSource.setAccessToUnderlyingConnectionAllowed(Boolean.parseBoolean(
                    attributes.get(IDBDatasourceService.ACCESS_TO_UNDERLYING_CONNECTION_ALLOWED)));
        }

        // store the pool, so we can get to it later
        cacheManager.putInRegionCache(IDBDatasourceService.JDBC_POOL, databaseConnection.getName(), pool);
        return (poolingDataSource);
    } catch (Exception e) {
        throw new DBDatasourceServiceException(e);
    }
}

From source file:sce.Main.java

public String getConnectionPoolInfo() {
    JSONObject results_obj = new JSONObject();
    GenericObjectPool pool = connectionPool.getConnectionPool();

    results_obj.put("Lifo", pool.getLifo());
    results_obj.put("MaxActive", pool.getMaxActive());
    results_obj.put("MaxIdle", pool.getMaxIdle());
    results_obj.put("MaxWait", pool.getMaxWait());
    results_obj.put("MinEvictableIdleTimeMillis", pool.getMinEvictableIdleTimeMillis());
    results_obj.put("MinIdle", pool.getMinIdle());
    results_obj.put("NumActive", pool.getNumActive());
    results_obj.put("NumIdle", pool.getNumIdle());
    results_obj.put("NumTestsPerEvictionRun", pool.getNumTestsPerEvictionRun());
    results_obj.put("SoftMinEvictableIdleTimeMillis", pool.getSoftMinEvictableIdleTimeMillis());
    results_obj.put("TestOnBorrow", pool.getTestOnBorrow());
    results_obj.put("TestOnReturn", pool.getTestOnReturn());
    results_obj.put("TestWhileIdle", pool.getTestWhileIdle());
    results_obj.put("TimeBetweenEvictionRunsMillis", pool.getTimeBetweenEvictionRunsMillis());
    results_obj.put("WhenExhaustedAction", pool.getWhenExhaustedAction());

    return results_obj.toJSONString();
}