private Object answer(Object command) throws Exception {
if ("quit".equals(command)) {
stopConnection();
stopService();
return "ack";
}
if ("ping".equals(command)) {
iLastPing = System.currentTimeMillis();
if (iProxy != null && !iServers.contains(iProxy)) {
sLog.warn("Server " + iProxy + " is alive, but it is not registered.");
iServers.add(iProxy);
}
return "ack";
}
if ("url".equals(command)) {
return HibernateUtil.getConnectionUrl();
}
if ("properties".equals(command)) {
return ApplicationProperties.getProperties();
}
if ("disconnect".equals(command)) {
unregister();
stopConnection();
return "ack";
}
if (command instanceof Object[]) {
Object cmd[] = (Object[]) command;
if ("connect".equals(cmd[0])) {
int port = ((Integer) cmd[1]).intValue();
iProxy = new RemoteSolverServerProxy(iSocket.getInetAddress(), port, this);
sLog.debug("Sever " + iProxy + " connected.");
synchronized (iServers) {
if (iServers.contains(iProxy)) {
sLog.warn("Previous run of the server " + iProxy + " was not properly disconnected.");
for (Iterator i = iServers.iterator(); i.hasNext(); ) {
RemoteSolverServerProxy oldProxy = (RemoteSolverServerProxy) i.next();
if (oldProxy.equals(iProxy)) {
try {
execute(new DisconnectProxyCallback(oldProxy), 10000);
} catch (Exception e) {
}
}
}
iServers.remove(iProxy);
}
iServers.add(iProxy);
}
return "ack";
}
if ("saveToFile".equals(cmd[0])) {
TimetableInfoUtil.getInstance().saveToFile((String) cmd[1], (TimetableInfo) cmd[2]);
return "ack";
}
if ("loadFromFile".equals(cmd[0])) {
return TimetableInfoUtil.getInstance().loadFromFile((String) cmd[1]);
}
if ("deleteFile".equals(cmd[0])) {
TimetableInfoUtil.getInstance().deleteFile((String) cmd[1]);
return "ack";
}
if ("resource".equals(cmd[0])) {
URL resource = SolverRegisterService.class.getClassLoader().getResource((String) cmd[1]);
if (resource == null) return null;
ByteArrayOutputStream out = new ByteArrayOutputStream();
InputStream in = resource.openStream();
byte[] buffer = new byte[1024];
int read = 0;
while ((read = in.read(buffer)) >= 0) out.write(buffer, 0, read);
out.flush();
out.close();
in.close();
return out.toByteArray();
}
if ("refreshSolution".equals(cmd[0])) {
try {
Solution.refreshSolution((Long) cmd[1]);
} finally {
_BaseRootDAO.closeCurrentThreadSessions();
}
return null;
}
if ("hasRoomAvailability".equals(cmd[0])) {
return new Boolean(RoomAvailability.getInstance() != null);
}
if ("activateRoomAvailability".equals(cmd[0])) {
if (RoomAvailability.getInstance() != null) {
RoomAvailability.getInstance()
.activate(
new SessionDAO().get((Long) cmd[1]),
(Date) cmd[2],
(Date) cmd[3],
(String) cmd[4],
"true"
.equals(
ApplicationProperties.getProperty(
"tmtbl.room.availability.solver.waitForSync", "true")));
return "ack";
}
return null;
}
if ("getRoomAvailability".equals(cmd[0])) {
if (RoomAvailability.getInstance() != null) {
return RoomAvailability.getInstance()
.getRoomAvailability(
new LocationDAO().get((Long) cmd[1]),
(Date) cmd[2],
(Date) cmd[3],
(String) cmd[4]);
}
return null;
}
if ("getRoomAvailabilityTimeStamp".equals(cmd[0])) {
if (RoomAvailability.getInstance() != null) {
return RoomAvailability.getInstance()
.getTimeStamp((Date) cmd[1], (Date) cmd[2], (String) cmd[3]);
}
return null;
}
}
sLog.warn("Unknown command " + command);
return null;
}
public TimetableInfo getInfo() throws Exception {
return getInfo(TimetableInfoUtil.getInstance());
}
public void setInfo(TimetableInfo info) throws Exception {
setInfo(info, TimetableInfoUtil.getInstance());
}
public void delete(org.hibernate.Session hibSession) throws Exception {
delete(hibSession, TimetableInfoUtil.getInstance());
}