public bool Evaluate(EvaluationContext evaluationContext, ref object state)
{
object list;
if (!evaluationContext.Properties.TryGetValue("Identities", out list))
{
return(false);
}
IList <IIdentity> identities = list as IList <IIdentity>;
if (list == null || identities.Count <= 0)
{
return(false);
}
RBACPrincipalCache principalCache = RBACPrincipalCache.GetInstance();
RBACPrincipal principal = principalCache.GetPrincipal(identities[0]);
if (principal == null)
{
principal = GetPrincipal(identities[0]);
principalCache.PutPrincipal(identities[0], principal);
}
evaluationContext.Properties["Principal"] = principal;
return(true);
}
public static RBACPrincipalCache GetInstance()
{
if (instance == null)
{
instance = new RBACPrincipalCache();
RBACManager.GetInstance().AddObserver(instance);
}
return(instance);
}