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.

      Iterator iter = listeners.iterator();
      while(iter.hasNext()){
        ConnectionEventListener listener = (ConnectionEventListener)iter.next();
        if(e == null){
          //no exception
          listener.connectionClosed(new ConnectionEvent(this));
        }else{
          //exception occurred
          listener.connectionErrorOccurred(new ConnectionEvent(this, e));  
        }
      }
    }  
  }

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    /**
     * INTERNAL
     */
    void closedHandle() {
        debugCode("closedHandle();");
        ConnectionEvent event = new ConnectionEvent(this);
        // go backward so that a listener can remove itself
        // (otherwise we need to clone the list)
        for (int i = listeners.size() - 1; i >= 0; i--) {
            ConnectionEventListener listener = listeners.get(i);
            listener.connectionClosed(event);

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  protected void notifyClose() {
      if (listeners.size()>0) {
        Iterator<ConnectionEventListener> oIter = listeners.iterator();
        while (oIter.hasNext()) {
          ConnectionEventListener oCevl = oIter.next();
          oCevl.connectionClosed(new ConnectionEvent(this));
        } // wend
      } // fi        
  } // notifyClose

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     */
    public void notifyError(final IManagedConnection proxy, final SQLException ex) {
        // Notify event to listeners
        for (int i = 0; i < eventListeners.size(); i++) {
            ConnectionEventListener l = eventListeners.elementAt(i);
            l.connectionErrorOccurred(new ConnectionEvent(proxy, ex));
        }
    }

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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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    /**
     * sends a connectionClosed event.
     */
    void notifyListeners() {
        ConnectionEvent event = new ConnectionEvent(this);
        Object[] listeners = eventListeners.toArray();
        for (int i = 0; i < listeners.length; i++) {
            ((ConnectionEventListener) listeners[i]).connectionClosed(event);
        }
    }

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    _listeners.remove(listener);
  }


  void closeEvent(Connection conn)
  {
    ConnectionEvent event = new ConnectionEvent(this);
    
    for (int i = 0; i < _listeners.size(); i++) {
      ConnectionEventListener listener = _listeners.get(i);


      listener.connectionClosed(event);

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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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        this.logicalConnection_ = null;


        for (Iterator e = listeners_.iterator(); e.hasNext();) {
            ConnectionEventListener listener =
                    (ConnectionEventListener)e.next();
            ConnectionEvent event = new ConnectionEvent(this);
            listener.connectionClosed(event);
        }
    }

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