/**
* Adds the specified listener to the list.
*
* @see #fireConnectionEvent
* @see #removeConnectionEventListener
*/
public synchronized void addConnectionEventListener(ConnectionEventListener listener) {
// Clone the list of listeners to avoid concurrent modifications. See
// bug [1113040] Small bug in net.sourceforge.jtds.jdbcx.PooledConnection
// for a description of how these can occur. The method still needs to
// be synchronized to prevent race conditions.
listeners = (ArrayList) listeners.clone();
// Now add the listener to the new, cloned list
listeners.add(listener);
}
/**
* Fires a new connection event on all listeners.
*
* @param closed <code>true</code> if <code>close</code> has been called on the connection; <code>
* false</code> if the <code>sqlException</code> represents an error where the connection may
* not longer be used.
* @param sqlException the SQLException to pass to the listeners
*/
public synchronized void fireConnectionEvent(boolean closed, SQLException sqlException) {
if (_listeners.size() > 0) {
ConnectionEvent connectionEvent = new ConnectionEvent(this, sqlException);
Iterator iterator = _listeners.iterator();
while (iterator.hasNext()) {
ConnectionEventListener listener = (ConnectionEventListener) iterator.next();
if (closed) {
listener.connectionClosed(connectionEvent);
} else {
listener.connectionErrorOccurred(connectionEvent);
}
}
}
}
/**
* Fires a new connection event on all listeners.
*
* @param closed <code>true</code> if <code>close</code> has been called on the connection; <code>
* false</code> if the <code>sqlException</code> represents an error where the connection may
* not longer be used.
* @param sqlException the SQLException to pass to the listeners
*/
public synchronized void fireConnectionEvent(boolean closed, SQLException sqlException) {
if (listeners.size() > 0) {
ConnectionEvent connectionEvent = new ConnectionEvent(this, sqlException);
Iterator iterator = listeners.iterator();
while (iterator.hasNext()) {
ConnectionEventListener listener = (ConnectionEventListener) iterator.next();
if (closed) {
listener.connectionClosed(connectionEvent);
} else {
try {
if (connection == null || connection.isClosed()) {
listener.connectionErrorOccurred(connectionEvent);
}
} catch (SQLException ex) {
// Will never occur
}
}
}
}
}
/**
* Adds the specified listener to the list.
*
* @see #fireConnectionEvent
* @see #removeConnectionEventListener
*/
public synchronized void addConnectionEventListener(ConnectionEventListener listener) {
_listeners.add(listener);
}
/**
* Removes the specified listener from the list.
*
* @see #addConnectionEventListener
* @see #fireConnectionEvent
*/
public synchronized void removeConnectionEventListener(ConnectionEventListener listener) {
_listeners.remove(listener);
}
