Package com.mchange.v2.c3p0

Examples of com.mchange.v2.c3p0.C3P0ProxyStatement

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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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        toInt(ps.getProperty("maxPoolSize")), toInt(ps.getProperty("minPoolSize")), toInt(ps.getProperty("initialPoolSize")),
        toInt(ps.getProperty("maxIdleTime")),toInt(ps.getProperty("acquireIncrement")));
  }
 
  public boolean start() {
    dataSource = new ComboPooledDataSource();
    dataSource.setJdbcUrl(jdbcUrl);
    dataSource.setUser(user);
    dataSource.setPassword(password);
    try {dataSource.setDriverClass(driverClass);}
    catch (PropertyVetoException e) {dataSource = null; System.err.println("C3p0Plugin start error"); throw new RuntimeException(e);}
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   private ComboPooledDataSource pooledDataSource;

   @Override
   public void start(ConnectionFactoryConfig config) throws CacheLoaderException {
      logFileOverride();
      pooledDataSource = new ComboPooledDataSource();
      pooledDataSource.setProperties(new Properties());
      try {
         pooledDataSource.setDriverClass(config.getDriverClass()); //loads the jdbc driver
      } catch (PropertyVetoException e) {
         String message = "Error while instatianting JDBC driver: '" + config.getDriverClass();
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    }

    public DataSource createDataSource(Object databaseKey)
    {
        String databaseName = databaseKey.toString();
        ComboPooledDataSource dataSource = new ComboPooledDataSource();
        try
        {
            dataSource.setDriverClass(driver);
        }
        catch (PropertyVetoException e)
        {
            String msg = "Could not create data source with driver class '" + driver + "' for '" + databaseName + "'.";
            logger.error(msg, e);
            throw new DataSourceCreationException(msg, e);
        }
        dataSource.setJdbcUrl(url + databaseName);
        dataSource.setUser(username);
        dataSource.setPassword(password);
        return dataSource;
    }
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