public void shutDown() {
// Avoid two parallel shut-downs
synchronized (this) {
if (terminating) {
return;
} else {
terminating = true;
}
}
// Forward the exit command to the FrontEnd
try {
myFrontEnd.exit(false);
} catch (IMTPException imtpe) {
// The FrontEnd is disconnected. Force the shutdown of the connection
myConnectionManager.shutdown();
}
// "Kill" all agent images
killAgentImages();
if (theBEManager != null) {
theBEManager.deregister(myNodeDescriptor);
}
super.shutDown();
}
public boolean connect() {
try {
// Initialize the BackEndManager if required
if (myProfile.getBooleanProperty(USE_BACKEND_MANAGER, false)) {
theBEManager = initBEManager();
}
Vector agentSpecs =
Specifier.parseSpecifierList(myProfile.getParameter(Profile.AGENTS, null));
myProfile.setParameter(Profile.AGENTS, null);
myFrontEnd = myConnectionManager.getFrontEnd(this, null);
myLogger.log(
Logger.FINE,
"BackEnd container "
+ myProfile.getParameter(Profile.CONTAINER_NAME, null)
+ " joining the platform ... (FrontEnd version: "
+ myProfile.getParameter(JICPProtocol.VERSION_KEY, "not available")
+ ")");
Runtime.instance().beginContainer();
boolean connected = joinPlatform();
if (connected) {
myLogger.log(Logger.FINE, "Join platform OK");
AID amsAID = getAMS();
myProfile.setParameter(Profile.PLATFORM_ID, amsAID.getHap());
String[] addresses = amsAID.getAddressesArray();
if (addresses != null) {
StringBuffer sb = new StringBuffer();
for (int i = 0; i < addresses.length; i++) {
sb.append(addresses[i]);
if (i < addresses.length - 1) {
sb.append(';');
}
}
myProfile.setParameter(MicroRuntime.PLATFORM_ADDRESSES_KEY, sb.toString());
}
if ("true".equals(myProfile.getParameter(RESYNCH, "false"))) {
myLogger.log(
Logger.INFO,
"BackEnd container "
+ myProfile.getParameter(Profile.CONTAINER_NAME, null)
+ " activating re-synch ...");
resynch();
} else {
// Notify the main container about bootstrap agents on the FE.
for (int i = 0; i < agentSpecs.size(); i++) {
Specifier sp = (Specifier) agentSpecs.elementAt(i);
try {
String name = bornAgent(sp.getName());
sp.setClassName(name);
sp.setArgs(null);
} catch (Exception e) {
myLogger.log(Logger.SEVERE, "Error creating agent " + sp.getName(), e);
sp.setClassName(e.getClass().getName());
sp.setArgs(new Object[] {e.getMessage()});
}
}
myProfile.setParameter(Profile.AGENTS, Specifier.encodeSpecifierList(agentSpecs));
}
}
return connected;
} catch (Exception e) {
// Should never happen
e.printStackTrace();
return false;
}
}
