@Override
public void login(IPCUser user) throws RemoteException {
if ("".equals(user.getUserName())) {
onUserStateChanged(user.getUserName(), GSUserState.Logoff, GSError.UNKNOWN_ERROR);
return;
}
synchronized (this) {
if (this.userState != GSUserState.Logoff) {
if (this.userState == GSUserState.Login
&& user.getUserName().equals(this.client.getUser())) {
onUserStateChanged(user.getUserName(), GSUserState.Login, GSError.SUCCESS);
return;
}
logger.warn("other login({}) processing {}", this.client.getUser(), this.userState);
onUserStateChanged(user.getUserName(), GSUserState.Logoff, GSError.OTHER_USER_LOGIN);
return;
}
logger.debug("login with user({})", user.getUserName());
this.client.setUser(user.getUserName());
this.userState = GSUserState.LoginProcessing;
onUserStateChanged(GSError.SUCCESS);
try {
this.imGateway.Login(this.client.getUser());
coreService.updateClient(this.client);
this.binderDataBase.openUserDataBase(client.getUser());
} catch (Exception e) {
this.userState = GSUserState.Logoff;
onUserStateChanged(GSError.UNKNOWN_ERROR);
logger.error("login catch exception", e);
}
}
}
/**
* Creates a Plugin topic in the DB, if not already exists.
*
* <p>A Plugin topic represents an installed plugin and is used to track its version.
*
* @return <code>true</code> if a Plugin topic has been created (means: this is a plugin clean
* install), <code>false</code> otherwise.
*/
private boolean initPluginTopic() {
pluginTopic = findPluginTopic();
if (pluginTopic != null) {
logger.info("Do NOT create topic for plugin \"" + pluginName + "\" -- already exists");
return false;
} else {
logger.info(
"Creating topic for plugin \"" + pluginName + "\" -- this is a plugin clean install");
Map properties = new HashMap();
properties.put("de/deepamehta/core/property/PluginID", pluginId);
properties.put("de/deepamehta/core/property/PluginMigrationNr", 0);
// FIXME: clientContext=null
pluginTopic = dms.createTopic("de/deepamehta/core/topictype/Plugin", properties, null);
return true;
}
}
/** Determines the migrations to be run for this plugin and run them. */
private void runPluginMigrations(boolean isCleanInstall) {
int migrationNr =
(Integer) pluginTopic.getProperty("de/deepamehta/core/property/PluginMigrationNr");
int requiredMigrationNr = Integer.parseInt(getConfigProperty("requiredPluginMigrationNr", "0"));
int migrationsToRun = requiredMigrationNr - migrationNr;
logger.info(
"migrationNr="
+ migrationNr
+ ", requiredMigrationNr="
+ requiredMigrationNr
+ " -- running "
+ migrationsToRun
+ " plugin migrations");
for (int i = migrationNr + 1; i <= requiredMigrationNr; i++) {
dms.runPluginMigration(this, i, isCleanInstall);
}
}
private void initPlugin() {
RuntimeException ex = null;
Transaction tx = dms.beginTx();
try {
logger.info("----- Initializing plugin \"" + pluginName + "\" -----");
boolean isCleanInstall = initPluginTopic();
runPluginMigrations(isCleanInstall);
if (isCleanInstall) {
postInstallPluginHook(); // trigger hook
introduceTypesToPlugin();
}
registerPlugin();
tx.success();
} catch (Throwable e) {
logger.warning("ROLLBACK!");
ex = new RuntimeException("Plugin \"" + pluginName + "\" can't be activated. Reason:", e);
} finally {
tx.finish();
if (ex != null) {
throw ex;
}
}
}
/**
* create core service binder
*
* @param coreService core service
* @param client client
*/
public CoreServiceBinder(CoreService coreService, Client client) {
this.binderDataBase =
new CoreServiceBinderDataBase(coreService.getApplicationContext(), client.getUrl());
this.coreService = coreService;
this.client = new Client(client);
this.channel = new IMChannel(this);
this.channel.connect();
this.imGateway = new IMGateway(this, new IMGatewayRPC(this.channel, Service.GW.getValue()));
this.imServer = new IMServer(this, new IMServerRPC(this.channel, Service.GS.getValue()));
if (!emptyUser()) {
this.binderDataBase.openUserDataBase(this.client.getUser());
this.autoLogin();
}
}
private void introduceTypesToPlugin() {
for (String typeUri : dms.getTopicTypeUris()) {
// trigger hook
modifyTopicTypeHook(dms.getTopicType(typeUri, null), null); // clientContext=null
}
}
private Topic findPluginTopic() {
return dms.getTopic("de/deepamehta/core/property/PluginID", pluginId);
}
private void unregisterPlugin() {
if (isActivated) {
logger.info("Unregistering plugin \"" + pluginName + "\" at DeepaMehta core service");
dms.unregisterPlugin(pluginId);
}
}
private void registerPlugin() {
logger.info("Registering plugin \"" + pluginName + "\" at DeepaMehta core service");
dms.registerPlugin(this);
isActivated = true;
}