/** Remove this sessions's user node. */
public void logout() {
if (userHandle != null) {
try {
// Invoke User.onLogout() iff this is a transactor request with a request
// evaluator already associated (i.e., if this is called from an app/script).
// Otherwise, we assume being called from the scheduler thread, which takes
// care of calling User.onLogout().
RequestEvaluator reval = app.getCurrentRequestEvaluator();
if (reval != null) {
Node userNode = userHandle.getNode(app.nmgr.safe);
if (userNode != null)
reval.invokeDirectFunction(userNode, "onLogout", new Object[] {sessionId});
}
} catch (Exception x) {
// errors should already be logged by request evaluator, but you never know
app.logError("Error in onLogout", x);
} finally {
// do log out
userHandle = null;
uid = null;
lastModified = System.currentTimeMillis();
modifiedInRequest = true;
}
}
}
/**
* Try logging in this session given the userName and password.
*
* @param userName the user name
* @param password the password
* @return true if session was logged in.
*/
public boolean login(String userName, String password) {
if (app.loginSession(userName, password, this)) {
lastModified = System.currentTimeMillis();
modifiedInRequest = true;
return true;
}
return false;
}
/** Attach the given user node to this session. */
public void login(INode usernode) {
if (usernode == null) {
userHandle = null;
uid = null;
} else {
userHandle = ((Node) usernode).getHandle();
uid = usernode.getElementName();
}
lastModified = System.currentTimeMillis();
modifiedInRequest = true;
}
/**
* Creates a new Session object.
*
* @param sessionId ...
* @param app ...
*/
public Session(String sessionId, Application app) {
this.sessionId = sessionId;
this.app = app;
this.uid = null;
this.userHandle = null;
cacheNode = new TransientNode(app, "session");
cacheLastModified = cacheNode.lastModified();
// HACK - decrease timestamp by 1 to notice modifications
// taking place immediately after object creation
onSince = System.currentTimeMillis() - 1;
lastTouched = lastModified = onSince;
}
/** Called at the beginning of a request to let the session know it's being used. */
public void touch() {
lastTouched = System.currentTimeMillis();
}