Package com.mchange.v2.c3p0

Examples of com.mchange.v2.c3p0.ComboPooledDataSource

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    public DataSourceInfo getInfo(Object resource) throws Exception{
        DataSourceInfo dataSourceInfo = null;

        if (canMap(resource))
        {
            ComboPooledDataSource source = (ComboPooledDataSource) resource;

            dataSourceInfo = new DataSourceInfo();
            dataSourceInfo.setBusyConnections(source.getNumBusyConnections());
            dataSourceInfo.setEstablishedConnections(source.getNumConnections());
            dataSourceInfo.setMaxConnections(source.getMaxPoolSize());
            dataSourceInfo.setJdbcURL(source.getJdbcUrl());
            dataSourceInfo.setUsername(source.getUser());
            dataSourceInfo.setResettable(true);
        }
        return dataSourceInfo;
    }
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        usage();
   
    if (! jdbc_url.startsWith("jdbc:") )
        usage();
           
    ComboPooledDataSource cpds = new ComboPooledDataSource();
    cpds.setJdbcUrl( jdbc_url );
    cpds.setUser( username );
    cpds.setPassword( password );
      cpds.setMaxPoolSize( 10 );
//      cpds.setUsesTraditionalReflectiveProxies( true );
       
    C3P0ProxyConnection conn = (C3P0ProxyConnection) cpds.getConnection();
    Method toStringMethod = Object.class.getMethod("toString", new Class[]{});
    Method identityHashCodeMethod = System.class.getMethod("identityHashCode", new Class[] {Object.class});
    System.out.println("rawConnection.toString() -> " +
           conn.rawConnectionOperation(toStringMethod, C3P0ProxyConnection.RAW_CONNECTION, new Object[]{}));
    Integer ihc = (Integer) conn.rawConnectionOperation(identityHashCodeMethod, null, new Object[]{C3P0ProxyConnection.RAW_CONNECTION});
    System.out.println("System.identityHashCode( rawConnection ) -> " + Integer.toHexString( ihc.intValue() ));

    C3P0ProxyStatement stmt = (C3P0ProxyStatement) conn.createStatement();
    System.out.println("rawStatement.toString() -> " +
           stmt.rawStatementOperation(toStringMethod, C3P0ProxyStatement.RAW_STATEMENT, new Object[]{}));
    Integer ihc2 = (Integer) stmt.rawStatementOperation(identityHashCodeMethod, null, new Object[]{C3P0ProxyStatement.RAW_STATEMENT});
    System.out.println("System.identityHashCode( rawStatement ) -> " + Integer.toHexString( ihc2.intValue() ));

    conn.close(); 

      for (int i = 0; i < 10; ++i)
          {
        C3P0ProxyConnection check = null;
        try
            {
          check = (C3P0ProxyConnection) cpds.getConnection();
          //System.err.println( TestUtils.samePhysicalConnection( conn, check ) );
          System.err.println( TestUtils.physicalConnectionIdentityHashCode( check ) == ihc.intValue() );
            }
        finally
            { /* if (check != null) check.close(); */ }
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    {
  try
      {
        cpds.setIdentityToken("poop"); //simulate a never-before-seen data source, so it's a new registration on deserialization
    byte[] pickled = SerializableUtils.toByteArray(cpds);
    ComboPooledDataSource unpickled = (ComboPooledDataSource) SerializableUtils.fromByteArray( pickled );
    assertTrue( "Marshalled and unmarshalled DataSources should have the same properties!",
          BeansUtils.equalsByAccessibleProperties( cpds, unpickled, EXCLUDE_PROPS ) );
      }
  catch (Exception e)
      {
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    {
  try
      {
        cpds.setIdentityToken("scoop"); //simulate a never-before-seen data source, so it's a new registration on deserialization
    Reference ref = cpds.getReference();
    ComboPooledDataSource unpickled = (ComboPooledDataSource) ReferenceableUtils.referenceToObject( ref, null, null, null );
    assertTrue( "Marshalled and unmarshalled DataSources should have the same properties!",
          BeansUtils.equalsByAccessibleProperties( cpds, unpickled, EXCLUDE_PROPS ) );
      }
  catch (Exception e)
      {
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            out.println("Datasource:");
            out.println("~~~~~~~~~~~");
            out.println("(not yet connected)");
            return sw.toString();
        }
        ComboPooledDataSource datasource = (ComboPooledDataSource) DB.datasource;
        out.println("Datasource:");
        out.println("~~~~~~~~~~~");
        out.println("Jdbc url: " + datasource.getJdbcUrl());
        out.println("Jdbc driver: " + datasource.getDriverClass());
        out.println("Jdbc user: " + datasource.getUser());
        out.println("Jdbc password: " + datasource.getPassword());
        out.println("Min pool size: " + datasource.getMinPoolSize());
        out.println("Max pool size: " + datasource.getMaxPoolSize());
        out.println("Initial pool size: " + datasource.getInitialPoolSize());
        out.println("Checkout timeout: " + datasource.getCheckoutTimeout());
        return sw.toString();
    }
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        }
       
        if (DB.datasource == null) {
            return true;
        } else {
            ComboPooledDataSource ds = (ComboPooledDataSource) DB.datasource;
            if (!p.getProperty("db.driver").equals(ds.getDriverClass())) {
                return true;
            }
            if (!p.getProperty("db.url").equals(ds.getJdbcUrl())) {
                return true;
            }
            if (!p.getProperty("db.user", "").equals(ds.getUser())) {
                return true;
            }
            if (!p.getProperty("db.pass", "").equals(ds.getPassword())) {
                return true;
            }
        }

        if (!p.getProperty("db.destroyMethod", "").equals(DB.destroyMethod)) {
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  @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");
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   *
   * 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);
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   private ComboPooledDataSource pooledDataSource;

   @Override
   public void start(ConnectionFactoryConfig config, ClassLoader classLoader) throws CacheLoaderException {
      logFileOverride(classLoader);
      pooledDataSource = new ComboPooledDataSource();
      pooledDataSource.setProperties(new Properties());
      try {
         pooledDataSource.setDriverClass(config.getDriverClass()); //loads the jdbc driver
      } catch (PropertyVetoException e) {
         log.errorInstantiatingJdbcDriver(config.getDriverClass(), e);
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   private ComboPooledDataSource pooledDataSource;

   @Override
   public void start(ConnectionFactoryConfig config, ClassLoader classLoader) throws CacheLoaderException {
      logFileOverride(classLoader);
      pooledDataSource = new ComboPooledDataSource();
      pooledDataSource.setProperties(new Properties());
      try {
         /* Since c3p0 does not throw an exception when it fails to load a driver we attempt to do so here
          * Also, c3p0 does not allow specifying a custom classloader, so use c3p0's
          */
 
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