/**
* Creates a session. It's already been established that the key does not currently have a
* session.
*/
protected SessionArrayValue create(Env env, String key, long now) {
SessionArrayValue session = createSessionValue(key, now, _sessionTimeout);
load(env, session, now);
// If another thread has created and stored a new session,
// putIfNew will return the old session
session = _sessions.putIfNew(key, session);
if (!key.equals(session.getId()))
throw new IllegalStateException(key + " != " + session.getId());
return (SessionArrayValue) session.copy(env);
}
