PolicyLevel.Resolve(Evidence) Méthode

Définition

Résout la stratégie sur la base de la preuve du niveau de stratégie et retourne le PolicyStatement qui en résulte.

public:
 System::Security::Policy::PolicyStatement ^ Resolve(System::Security::Policy::Evidence ^ evidence);
public System.Security.Policy.PolicyStatement Resolve (System.Security.Policy.Evidence evidence);
member this.Resolve : System.Security.Policy.Evidence -> System.Security.Policy.PolicyStatement
Public Function Resolve (evidence As Evidence) As PolicyStatement

Paramètres

evidence
Evidence

Evidence utilisé pour résoudre PolicyLevel.

Retours

PolicyStatement obtenu.

Exceptions

Le niveau de stratégie contient plusieurs groupes de codes qui correspondent et sont marqués comme exclusifs.

Le paramètre evidence a la valeur null.

Exemples

Le code suivant montre l’utilisation de la Resolve méthode . Cet exemple de code fait partie d’un exemple plus grand fourni pour la PolicyLevel classe .

// Demonstrate the use of ResolvePolicy for the supplied evidence and a specified policy level.
void CheckEvidence( PolicyLevel^ pLevel, Evidence^ evidence )
{
   // Display the code groups to which the evidence belongs.
   Console::WriteLine( "\tResolvePolicy for the given evidence: " );
   IEnumerator^ codeGroup = evidence->GetEnumerator();
   while ( codeGroup->MoveNext() )
   {
      Console::WriteLine( "\t\t{0}", (dynamic_cast<CodeGroup^>(codeGroup->Current))->Name );
   }

   Console::WriteLine( "The current evidence belongs to the following root CodeGroup:" );

   // pLevel is the current PolicyLevel, evidence is the Evidence to be resolved.
   CodeGroup^ cg1 = pLevel->ResolveMatchingCodeGroups( evidence );
   Console::WriteLine( "{0} Level", pLevel->Label );
   Console::WriteLine( "\tRoot CodeGroup = {0}", cg1->Name );

   // Show how Resolve is used to determine the set of permissions that 
   // the security system grants to code, based on the evidence.
   // Show the granted permissions. 
   Console::WriteLine( "\nCurrent permissions granted:" );
   PolicyStatement^ pState = pLevel->Resolve( evidence );
   Console::WriteLine( pState->ToXml() );
   return;
}
// Demonstrate the use of ResolvePolicy for the supplied evidence and a specified policy level.
private static void CheckEvidence(PolicyLevel pLevel, Evidence evidence)
{
    // Display the code groups to which the evidence belongs.
    Console.WriteLine("\tResolvePolicy for the given evidence: ");
    IEnumerator codeGroup = evidence.GetEnumerator();
    while (codeGroup.MoveNext())
    {
        Console.WriteLine("\t\t" + ((CodeGroup)codeGroup.Current).Name);
    }
    Console.WriteLine("The current evidence belongs to the following root CodeGroup:");
    // pLevel is the current PolicyLevel, evidence is the Evidence to be resolved.
    CodeGroup cg1 = pLevel.ResolveMatchingCodeGroups(evidence);
    Console.WriteLine(pLevel.Label + " Level");
    Console.WriteLine("\tRoot CodeGroup = " + cg1.Name);

    // Show how Resolve is used to determine the set of permissions that 
    // the security system grants to code, based on the evidence.

    // Show the granted permissions. 
    Console.WriteLine("\nCurrent permissions granted:");
    PolicyStatement pState = pLevel.Resolve(evidence);
    Console.WriteLine(pState.ToXml().ToString());

    return;
}
' Demonstrate the use of ResolvePolicy for the supplied evidence and a specified policy level.
Private Overloads Shared Sub CheckEvidence(ByVal pLevel As PolicyLevel, ByVal evidence As Evidence)
    ' Display the code groups to which the evidence belongs.
    Console.WriteLine(ControlChars.Tab + "ResolvePolicy for the given evidence: ")
    Dim codeGroup As IEnumerator = evidence.GetEnumerator()
    While codeGroup.MoveNext()
        Console.WriteLine((ControlChars.Tab + ControlChars.Tab + CType(codeGroup.Current, CodeGroup).Name))
    End While
    Console.WriteLine("The current evidence belongs to the following root CodeGroup:")
    ' pLevel is the current PolicyLevel, evidence is the Evidence to be resolved.
    Dim cg1 As CodeGroup = pLevel.ResolveMatchingCodeGroups(evidence)
    Console.WriteLine((pLevel.Label + " Level"))
    Console.WriteLine((ControlChars.Tab + "Root CodeGroup = " + cg1.Name))

    ' Show how Resolve is used to determine the set of permissions that 
    ' the security system grants to code, based on the evidence.
    ' Show the granted permissions. 
    Console.WriteLine(ControlChars.Lf + "Current permissions granted:")
    Dim pState As PolicyStatement = pLevel.Resolve(evidence)
    Console.WriteLine(pState.ToXml().ToString())

    Return
End Sub

Remarques

Resolve est l’opération d’évaluation de stratégie de base pour les niveaux de stratégie. Avec un ensemble de preuves en tant qu’entrée, cette méthode teste les conditions d’appartenance des groupes de code en commençant à la racine et en fonction de la correspondance. La combinaison d’autorisations résultant des groupes de code correspondants produit un PolicyStatement qui est retourné.

Pour accorder des autorisations au code, la stratégie de sécurité utilise les instructions de stratégie résolues pour tous les niveaux de stratégie applicables, ainsi que la demande de code pour les autorisations.

S’applique à