Examples of javax.sql.ConnectionEvent

javax.sql.ConnectionEvent
An Event object which is sent when specific events happen on a PooledConnection object. The events involved are when the application closing the PooledConnection and when an error occurs in the PooledConnection.

      return;


    // tell my listeners an exception is about to be thrown
    if (eventListener != null && eventListener.size() > 0)
    {
      ConnectionEvent errorEvent = new ConnectionEvent(this, exception);


      for (Enumeration e = eventListener.elements();
         e.hasMoreElements(); )
      {
        ConnectionEventListener l =

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  public synchronized void notifyClose()
  {
    // tell my listeners I am closed 
    if (eventListener != null && eventListener.size() > 0)
    {
      ConnectionEvent closeEvent = new ConnectionEvent(this);


      for (Enumeration e = eventListener.elements();
         e.hasMoreElements(); )
      {
        ConnectionEventListener l =

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        if (t instanceof SQLException) {
            SQLException sqlEx = (SQLException) t;


            // broadcastConnectionError
            ConnectionEvent event = new ConnectionEvent(pooledConnection, sqlEx);
            for (ConnectionEventListener eventListener : holder.getConnectionEventListeners()) {
                eventListener.connectionErrorOccurred(event);
            }


            // exceptionSorter.isExceptionFatal

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     * @param exception the exception that caused the event, or {@code null} if
     * it is a close event
     */
    private void fireConnectionEventListeners(SQLException exception) {
        if (eventListener != null && !eventListener.isEmpty()) {
            ConnectionEvent event = new ConnectionEvent(this, exception);
            eventIterators++;
            try {
                for (Iterator it = eventListener.iterator(); it.hasNext();) {
                    ConnectionEventListener l =
                            (ConnectionEventListener) it.next();

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            }
            return;
        }
        
        for (ConnectionEventListener listener : holder.getConnectionEventListeners()) {
            listener.connectionClosed(new ConnectionEvent(this));
        }


        DruidAbstractDataSource dataSource = holder.getDataSource();
        List<Filter> filters = dataSource.getProxyFilters();
        if (filters.size() > 0) {

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        if (t instanceof SQLException) {
            SQLException sqlEx = (SQLException) t;


            // broadcastConnectionError
            ConnectionEvent event = new ConnectionEvent(pooledConnection, sqlEx);
            for (ConnectionEventListener eventListener : holder.getConnectionEventListeners()) {
                eventListener.connectionErrorOccurred(event);
            }


            // exceptionSorter.isExceptionFatal

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     * @param exception the exception that caused the event, or {@code null} if
     * it is a close event
     */
    private void fireConnectionEventListeners(SqlException exception) {
        if (!listeners_.isEmpty()) {
            final ConnectionEvent event = (exception == null) ?
                new ConnectionEvent(this) :
                new ConnectionEvent(this, exception.getSQLException());
            eventIterators++;
            try {
                for (Iterator it = listeners_.iterator(); it.hasNext(); ) {
                    final ConnectionEventListener listener =
                        (ConnectionEventListener) it.next();

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        if (t instanceof SQLException) {
            SQLException sqlEx = (SQLException) t;


            // broadcastConnectionError
            ConnectionEvent event = new ConnectionEvent(pooledConnection, sqlEx);
            for (ConnectionEventListener eventListener : holder.getConnectionEventListeners()) {
                eventListener.connectionErrorOccurred(event);
            }


            // exceptionSorter.isExceptionFatal

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        }
    }


    protected void fireSqlExceptionEvent(SQLException e) {


        ConnectionEvent event = new ConnectionEvent(this.pooledConnection, e);


        for (Iterator iterator = connectionListeners.iterator();
                iterator.hasNext(); ) {
            ConnectionEventListener connectionEventListener =
                (ConnectionEventListener) iterator.next();

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        }
    }


    protected void fireCloseEvent() {


        ConnectionEvent connectionEvent =
            new ConnectionEvent(this.pooledConnection);


        for (Iterator iterator = connectionListeners.iterator();
                iterator.hasNext(); ) {
            ConnectionEventListener connectionListener =
                (ConnectionEventListener) iterator.next();

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