ContextManager.popCallers((Callers) previousIdentity);
}
public Object setRunAs(UserIdentity userIdentity, RunAsToken token) {
GeronimoRunAsToken geronimoRunAsToken = (GeronimoRunAsToken) token;
Subject runAsSubject = geronimoRunAsToken == null? null: geronimoRunAsToken.getRunAsSubject();
return ContextManager.pushNextCaller(runAsSubject);
}