@SuppressWarnings("unchecked")
void check() {
watchDogRuns++;
long current = System.currentTimeMillis();
ArrayList<WeakReference<TimeoutMgmHandle>> connectionsCopy = null;
synchronized (handles) {
connectionsCopy = (ArrayList<WeakReference<TimeoutMgmHandle>>) handles.clone();
}
for (WeakReference<TimeoutMgmHandle> handleRef : connectionsCopy) {
TimeoutMgmHandle handle = handleRef.get();
if (handle == null) {
remove(handleRef);
} else {
NonBlockingConnection con = handle.getConnection();
if (con.isOpen()) {
checkTimeout(con, current);
} else {
remove(handleRef);
}
}
}
computeSize();
}
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();
}
private void checkTimeout(NonBlockingConnection connection, long current) {
boolean timeoutOccured = connection.checkIdleTimeout(current);
if (timeoutOccured) {
countIdleTimeouts++;
}
timeoutOccured = connection.checkConnectionTimeout(current);
if (timeoutOccured) {
countConnectionTimeouts++;
}
}