/**
* Closes the {@link IsisSession} for the current context.
*
* <p>Ignored if already closed.
*
* <p>This method is <i>not</i> marked <tt>final</tt> so it can be overridden if necessarily.
* Generally speaking this shouldn't be necessary; one case where it might though is if an
* implementation has multiple concurrent uses of a session, in which case "closing" the session
* really means just deregistering the usage of it by a particular thread; only when all threads
* have finished with a session can it really be closed.
*/
public void closeSessionInstance() {
final IsisSession isisSession = getSessionInstance();
if (isisSession != null) {
isisSession.close();
doClose();
}
}
/**
* All known session Ids.
*
* <p>Provided primarily for debugging.
*/
public String[] allSessionIds() {
final String[] ids = new String[sessionsByThread.size()];
int i = 0;
for (final IsisSession data : sessionsByThread.values()) {
ids[i++] = data.getId();
}
return ids;
}
/** The {@link IsisSession} for specified {@link IsisSession#getId()}. */
protected IsisSession getSessionInstance(final String executionContextId) {
for (final IsisSession data : sessionsByThread.values()) {
if (data.getId().equals(executionContextId)) {
return data;
}
}
return null;
}
protected void shutdownAllThreads() {
synchronized (sessionsByThread) {
for (final Map.Entry<Thread, IsisSession> entry : sessionsByThread.entrySet()) {
LOG.info("Shutting down thread: {}", entry.getKey().getName());
final IsisSession data = entry.getValue();
data.closeAll();
}
}
}
/**
* Creates a new {@link IsisSession} and binds into the current context.
*
* <p>Is only intended to be called through {@link
* IsisContext#openSession(AuthenticationSession)}.
*
* <p>Implementation note: an alternative design would have just been to bind onto a thread local.
*
* @throws IllegalStateException if already opened.
*/
public IsisSession openSessionInstance(final AuthenticationSession authenticationSession) {
final Thread thread = Thread.currentThread();
synchronized (sessionsByThread) {
applySessionClosePolicy();
final IsisSession session = getSessionFactoryInstance().openSession(authenticationSession);
if (LOG.isDebugEnabled()) {
LOG.debug(
" opening session "
+ session
+ " (count "
+ sessionsByThread.size()
+ ") for "
+ authenticationSession.getUserName());
}
saveSession(thread, session);
session.open();
return session;
}
}