void close() {
// closing watch dog
if (conCheckWatchDogTask != null) {
conCheckWatchDogTask.cancel();
conCheckWatchDogTask = null;
}
// close open connections
try {
for (NonBlockingConnection connection : getConnections()) {
try {
connection.close();
} catch (IOException ioe) {
if (LOG.isLoggable(Level.FINE)) {
LOG.fine(
"error occured by closing connection "
+ connection.getId()
+ " "
+ DataConverter.toString(ioe));
}
}
}
} catch (Throwable e) {
if (LOG.isLoggable(Level.FINE)) {
LOG.fine("error occured by closing open connections " + DataConverter.toString(e));
}
}
// clear handle list
handles.clear();
}
