Examples with ComboPooledDataSource com.mchange.v2.c3p0.ComboPooledDataSource used on opensource projects

Example 6 with ComboPooledDataSource

use of com.mchange.v2.c3p0.ComboPooledDataSource in project musiccabinet by hakko.

the class JdbcDatabaseAdministrationDao method forcePasswordUpdate.

@Override
public void forcePasswordUpdate(String password) throws ApplicationException {
    // we know it's ComboPooledDataSource, as we define it in applicationContext.xml
    // this is the primary reason for using C3P0 rather than Apache DBCP, since it
    // doesn't support password updates.
    ComboPooledDataSource dataSource = getDataSource();
    ComboPooledDataSource initialDataSource = (ComboPooledDataSource) initialJdbcTemplate.getDataSource();
    dataSource.setPassword(password);
    initialDataSource.setPassword(password);
    try {
        dataSource.softResetDefaultUser();
        initialDataSource.softResetDefaultUser();
    } catch (SQLException e) {
        throw new ApplicationException("Password update failed!", e);
    }
    try {
        initialJdbcTemplate.execute("select 1");
    } catch (DataAccessException e) {
        throw new ApplicationException("Password update failed!", e);
    }
}

Example 7 with ComboPooledDataSource

use of com.mchange.v2.c3p0.ComboPooledDataSource in project musiccabinet by hakko.

the class JdbcDatabaseAdministrationDao method parseJDBCURL.

/*
	 * We know for sure that the DataSource is a ComboPooledDataSource,
	 * since we specified it in applicationContext.xml.
	 * 
	 * Use that fact to parse host name and port number out of jdbc url,
	 * which is on form jdbc:postgresql://localhost:5432/musiccabinet.
	 */
private void parseJDBCURL() {
    ComboPooledDataSource ds = getDataSource();
    String url = ds.getJdbcUrl();
    int i1 = url.indexOf("://") + 3;
    int i2 = url.indexOf(":", i1);
    int i3 = url.indexOf("/", i2);
    host = url.substring(i1, i2);
    port = toInt(url.substring(i2 + 1, i3));
    database = url.substring(i3 + 1);
}

Example 8 with ComboPooledDataSource

use of com.mchange.v2.c3p0.ComboPooledDataSource in project opennms by OpenNMS.

the class C3P0ConnectionFactory method initializePool.

@Override
protected void initializePool(final JdbcDataSource dataSource) throws SQLException {
    m_pool = new ComboPooledDataSource();
    m_pool.setPassword(dataSource.getPassword());
    m_pool.setUser(dataSource.getUserName());
    m_pool.setJdbcUrl(dataSource.getUrl());
    try {
        m_pool.setDriverClass(dataSource.getClassName());
    } catch (final PropertyVetoException e) {
        throw new SQLException("Unable to set driver class.", e);
    }
    final Properties properties = new Properties();
    for (final Param parameter : dataSource.getParamCollection()) {
        properties.put(parameter.getName(), parameter.getValue());
    }
    if (!properties.isEmpty()) {
        m_pool.setProperties(properties);
    }
}

Example 9 with ComboPooledDataSource

use of com.mchange.v2.c3p0.ComboPooledDataSource in project voltdb by VoltDB.

the class JDBCBenchmark method main.

// Application entry point
public static void main(String[] args) {
    try {
        KVConfig config = new KVConfig();
        config.parse(JDBCBenchmark.class.getName(), args);
        System.out.println(config.getConfigDumpString());
        // ---------------------------------------------------------------------------------------------------------------------------------------------------
        // We need only do this once, to "hot cache" the JDBC driver reference so the JVM may realize it's there.
        Class.forName(DRIVER_NAME);
        // Prepare the JDBC URL for the VoltDB driver
        String url = "jdbc:voltdb://" + config.servers;
        // Prepare the Datasource if choose to use a connection pool
        if (config.externalConnectionPool.equalsIgnoreCase(C3P0_CONNECTIONPOOL)) {
            useConnectionPool = true;
            ComboPooledDataSource cpds = new ComboPooledDataSource();
            //loads the jdbc driver
            cpds.setDriverClass(DRIVER_NAME);
            cpds.setJdbcUrl(url);
            Ds = cpds;
        } else if (config.externalConnectionPool.equalsIgnoreCase(TOMCAT_CONNECTIONPOOL)) {
            useConnectionPool = true;
            // read the config file for connection pool
            String configName = "tomcat.properties";
            boolean useDefaultConnectionPoolConfig = true;
            Properties cpProperties = new Properties();
            try {
                FileInputStream fileInput = new FileInputStream(new File(configName));
                cpProperties.load(fileInput);
                fileInput.close();
                useDefaultConnectionPoolConfig = false;
            } catch (FileNotFoundException e) {
                System.out.println("connection pool property file '" + configName + "' not found, use default settings");
            }
            PoolProperties p = new PoolProperties();
            p.setUrl(url);
            p.setDriverClassName(DRIVER_NAME);
            if (useDefaultConnectionPoolConfig) {
                p.setInitialSize(config.threads + 1);
            } else {
                p.setInitialSize(Integer.parseInt(cpProperties.getProperty("tomcat.initialSize", "40")));
            }
            org.apache.tomcat.jdbc.pool.DataSource tomcatDs = new org.apache.tomcat.jdbc.pool.DataSource();
            tomcatDs.setPoolProperties(p);
            Ds = tomcatDs;
        } else if (config.externalConnectionPool.equalsIgnoreCase(BONECP_CONNECTIONPOOL)) {
            useConnectionPool = true;
            String configName = "bonecp.properties";
            boolean useDefaultConnectionPoolConfig = true;
            Properties cpProperties = new Properties();
            try {
                FileInputStream fileInput = new FileInputStream(new File(configName));
                cpProperties.load(fileInput);
                fileInput.close();
                useDefaultConnectionPoolConfig = false;
            } catch (FileNotFoundException e) {
                System.out.println("connection pool property file '" + configName + "' not found, use default settings");
            }
            BoneCPConfig p;
            if (useDefaultConnectionPoolConfig) {
                p = new BoneCPConfig();
                p.setDefaultReadOnly(false);
                p.setPartitionCount(config.threads / 2);
                p.setMaxConnectionsPerPartition(4);
            } else {
                p = new BoneCPConfig(cpProperties);
            }
            // set the JDBC url
            p.setJdbcUrl(url + "?enableSetReadOnly=true");
            BoneCPDataSource boneDs = new BoneCPDataSource(p);
            Ds = boneDs;
        } else if (config.externalConnectionPool.equalsIgnoreCase(HIKARI_CONNECTIONPOOL)) {
            useConnectionPool = true;
            HikariConfig p = new HikariConfig("hikari.properties");
            p.setDriverClassName(DRIVER_NAME);
            p.setJdbcUrl(url);
            HikariDataSource hiDs = new HikariDataSource(p);
            Ds = hiDs;
        } else {
            useConnectionPool = false;
            Ds = null;
        }
        // Get a client connection - we retry for a while in case the server hasn't started yet
        System.out.printf("Connecting to: %s\n", url);
        int sleep = 1000;
        while (true) {
            try {
                if (useConnectionPool) {
                    Ds.getConnection();
                    System.out.printf("Using Connection Pool: %s\n", config.externalConnectionPool);
                }
                Con = DriverManager.getConnection(url, "", "");
                break;
            } catch (Exception e) {
                System.err.printf("Connection failed - retrying in %d second(s).\n " + e, sleep / 1000);
                try {
                    Thread.sleep(sleep);
                } catch (Exception tie) {
                }
                if (sleep < 8000)
                    sleep += sleep;
            }
        }
        // Statistics manager objects from the connection, used to generate latency histogram
        ClientStatsContext fullStatsContext = ((IVoltDBConnection) Con).createStatsContext();
        periodicStatsContext = ((IVoltDBConnection) Con).createStatsContext();
        System.out.println("Connected.  Starting benchmark.");
        // Get a payload generator to create random Key-Value pairs to store in the database and process (uncompress) pairs retrieved from the database.
        final PayloadProcessor processor = new PayloadProcessor(config.keysize, config.minvaluesize, config.maxvaluesize, config.entropy, config.poolsize, config.usecompression);
        // Initialize the store
        if (config.preload) {
            System.out.print("Initializing data store... ");
            final PreparedStatement removeCS = Con.prepareStatement("DELETE FROM store;");
            final CallableStatement putCS = Con.prepareCall("{call STORE.upsert(?,?)}");
            for (int i = 0; i < config.poolsize; i++) {
                if (i == 0) {
                    removeCS.execute();
                }
                putCS.setString(1, String.format(processor.KeyFormat, i));
                putCS.setBytes(2, processor.generateForStore().getStoreValue());
                putCS.execute();
            }
            System.out.println(" Done.");
        }
        // start the stats
        fullStatsContext.fetchAndResetBaseline();
        periodicStatsContext.fetchAndResetBaseline();
        benchmarkStartTS = System.currentTimeMillis();
        // ---------------------------------------------------------------------------------------------------------------------------------------------------
        // Create a Timer task to display performance data on the operating procedures
        Timer timer = new Timer();
        TimerTask statsPrinting = new TimerTask() {

            @Override
            public void run() {
                printStatistics();
            }
        };
        timer.scheduleAtFixedRate(statsPrinting, config.displayinterval * 1000l, config.displayinterval * 1000l);
        // ---------------------------------------------------------------------------------------------------------------------------------------------------
        // Create multiple processing threads
        ArrayList<Thread> threads = new ArrayList<Thread>();
        for (int i = 0; i < config.threads; i++) threads.add(new Thread(new ClientThread(url, processor, config.duration, config.getputratio)));
        // Start threads
        for (Thread thread : threads) thread.start();
        // Wait for threads to complete
        for (Thread thread : threads) thread.join();
        // ---------------------------------------------------------------------------------------------------------------------------------------------------
        // We're done - stop the performance statistics display task
        timer.cancel();
        // ---------------------------------------------------------------------------------------------------------------------------------------------------
        // Now print application results:
        // stop and fetch the stats
        ClientStats stats = fullStatsContext.fetch().getStats();
        // 1. Store statistics as tracked by the application (ops counts, payload traffic)
        System.out.printf("\n-------------------------------------------------------------------------------------\n" + " Store Results\n" + "-------------------------------------------------------------------------------------\n\n" + "A total of %,d operations was posted...\n" + " - GETs: %,9d Operations (%,9d Misses/Failures)\n" + "         %,9d MB in compressed store data\n" + "         %,9d MB in uncompressed application data\n" + "         Network Throughput: %6.3f Gbps*\n\n" + " - PUTs: %,9d Operations (%,9d Failures)\n" + "         %,9d MB in compressed store data\n" + "         %,9d MB in uncompressed application data\n" + "         Network Throughput: %6.3f Gbps*\n\n" + " - Total Network Throughput: %6.3f Gbps*\n\n" + "* Figure includes key & value traffic but not database protocol overhead.\n" + "\n" + "-------------------------------------------------------------------------------------\n", GetStoreResults.get(0) + GetStoreResults.get(1) + PutStoreResults.get(0) + PutStoreResults.get(1), GetStoreResults.get(0), GetStoreResults.get(1), GetCompressionResults.get(0) / 1048576l, GetCompressionResults.get(1) / 1048576l, ((double) GetCompressionResults.get(0) + (GetStoreResults.get(0) + GetStoreResults.get(1)) * config.keysize) / (134217728d * config.duration), PutStoreResults.get(0), PutStoreResults.get(1), PutCompressionResults.get(0) / 1048576l, PutCompressionResults.get(1) / 1048576l, ((double) PutCompressionResults.get(0) + (PutStoreResults.get(0) + PutStoreResults.get(1)) * config.keysize) / (134217728d * config.duration), ((double) GetCompressionResults.get(0) + (GetStoreResults.get(0) + GetStoreResults.get(1)) * config.keysize) / (134217728d * config.duration) + ((double) PutCompressionResults.get(0) + (PutStoreResults.get(0) + PutStoreResults.get(1)) * config.keysize) / (134217728d * config.duration));
        System.out.println("\n\n-------------------------------------------------------------------------------------\n" + " Client Latency Statistics\n" + "-------------------------------------------------------------------------------------\n\n");
        System.out.printf("Average latency:               %,9.2f ms\n", stats.getAverageLatency());
        System.out.printf("10th percentile latency:       %,9.2f ms\n", stats.kPercentileLatencyAsDouble(.1));
        System.out.printf("25th percentile latency:       %,9.2f ms\n", stats.kPercentileLatencyAsDouble(.25));
        System.out.printf("50th percentile latency:       %,9.2f ms\n", stats.kPercentileLatencyAsDouble(.5));
        System.out.printf("75th percentile latency:       %,9.2f ms\n", stats.kPercentileLatencyAsDouble(.75));
        System.out.printf("90th percentile latency:       %,9.2f ms\n", stats.kPercentileLatencyAsDouble(.9));
        System.out.printf("95th percentile latency:       %,9.2f ms\n", stats.kPercentileLatencyAsDouble(.95));
        System.out.printf("99th percentile latency:       %,9.2f ms\n", stats.kPercentileLatencyAsDouble(.99));
        System.out.printf("99.5th percentile latency:     %,9.2f ms\n", stats.kPercentileLatencyAsDouble(.995));
        System.out.printf("99.9th percentile latency:     %,9.2f ms\n", stats.kPercentileLatencyAsDouble(.999));
        System.out.println("\n\n" + stats.latencyHistoReport());
        // Dump statistics to a CSV file
        Con.unwrap(IVoltDBConnection.class).saveStatistics(stats, config.statsfile);
        Con.close();
    // ---------------------------------------------------------------------------------------------------------------------------------------------------
    } catch (Exception x) {
        System.out.println("Exception: " + x);
        x.printStackTrace();
    }
}

Example 10 with ComboPooledDataSource

use of com.mchange.v2.c3p0.ComboPooledDataSource in project adempiere by adempiere.

the class DB_PostgreSQL method getDataSource.

//	getCachedConnection
/**
	 * 	Create DataSource (Client)
	 *	@param connection connection
	 *	@return data dource
	 */
public DataSource getDataSource(CConnection connection) {
    if (m_ds != null)
        return m_ds;
    try {
        System.setProperty("com.mchange.v2.log.MLog", "com.mchange.v2.log.FallbackMLog");
        //System.setProperty("com.mchange.v2.log.FallbackMLog.DEFAULT_CUTOFF_LEVEL", "ALL");
        ComboPooledDataSource cpds = new ComboPooledDataSource();
        cpds.setDataSourceName("AdempiereDS");
        cpds.setDriverClass(DRIVER);
        //loads the jdbc driver
        cpds.setJdbcUrl(getConnectionURL(connection));
        cpds.setUser(connection.getDbUid());
        cpds.setPassword(connection.getDbPwd());
        cpds.setPreferredTestQuery(DEFAULT_CONN_TEST_SQL);
        cpds.setIdleConnectionTestPeriod(1200);
        //cpds.setTestConnectionOnCheckin(true);
        //cpds.setTestConnectionOnCheckout(true);
        cpds.setAcquireRetryAttempts(2);
        if (Ini.isClient()) {
            cpds.setInitialPoolSize(1);
            cpds.setMinPoolSize(1);
            cpds.setMaxPoolSize(15);
            cpds.setMaxIdleTimeExcessConnections(1200);
            cpds.setMaxIdleTime(900);
            m_maxbusyconnections = 10;
        } else {
            cpds.setInitialPoolSize(10);
            cpds.setMinPoolSize(5);
            cpds.setMaxPoolSize(150);
            cpds.setMaxIdleTimeExcessConnections(1200);
            cpds.setMaxIdleTime(1200);
            m_maxbusyconnections = 120;
        }
        //the following sometimes kill active connection!
        //cpds.setUnreturnedConnectionTimeout(1200);
        //cpds.setDebugUnreturnedConnectionStackTraces(true);
        m_ds = cpds;
    } catch (Exception ex) {
        m_ds = null;
        log.log(Level.SEVERE, "Could not initialise C3P0 Datasource", ex);
    }
    return m_ds;
}