/// <summary>
/// Gets the data type of the value.
/// </summary>
/// <param name="context">The evaluation context.</param>
/// <returns>The data type descriptor.</returns>
public inf.IDataType GetType( rtm.EvaluationContext context )
{
return rtm.EvaluationEngine.GetDataType( DataTypeValue );
}
/// <summary>
/// Creates a new Result using the provided information.
/// </summary>
/// <param name="resourceId">The resource id for this result.</param>
/// <param name="decision">The decission of the evaluation.</param>
/// <param name="status">The status with information about the execution.</param>
/// <param name="obligations">The list of obligations</param>
/// <param name="schemaVersion">The version of the schema that was used to validate.</param>
public ResultElement( string resourceId, rtm.Decision decision, StatusElement status, pol.ObligationCollection obligations, XacmlVersion schemaVersion )
: base( XacmlSchema.Context, schemaVersion )
{
_resourceId = resourceId;
_decision = decision;
// If the status is null, create an empty status
if( status == null )
{
_status = new StatusElement( null, null, null, schemaVersion );
}
else
{
_status = status;
}
// If the obligations are null, leave the empty ObligationCollection.
if( obligations != null )
{
_obligations = obligations;
}
}
/// <summary>
/// Method called by the EvaluationEngine when the evaluation is executed without a policy document, this
/// method search in the policy repository and return the first policy that matches its target with the
/// context document specified.
/// </summary>
/// <param name="context">The evaluation context instance.</param>
/// <returns>The policy document ready to be used by the evaluation engine.</returns>
public pol.PolicyDocument Match( rtm.EvaluationContext context )
{
if (context == null) throw new ArgumentNullException("context");
pol.PolicyDocument polEv = null;
//Search if there is a policySet which target matches the context document
foreach( pol.PolicyDocument policy in _policySets.Values )
{
rtm.PolicySet tempPolicy = new rtm.PolicySet( context.Engine, (pol.PolicySetElement)policy.PolicySet );
rtm.EvaluationContext tempContext = new rtm.EvaluationContext( context.Engine, policy, context.ContextDocument );
// Match the policy set target with the context document
if( tempPolicy.Match( tempContext ) == rtm.TargetEvaluationValue.Match )
{
if( polEv == null )
{
polEv = policy;
}
else
{
throw new EvaluationException( Resource.ResourceManager[ Resource.MessageKey.exc_duplicated_policy_in_repository ] );
}
}
}
//Search if there is a policy which target matches the context document
foreach( pol.PolicyDocument policy in _policies.Values )
{
rtm.Policy tempPolicy = new rtm.Policy( (pol.PolicyElement)policy.Policy );
rtm.EvaluationContext tempContext = new rtm.EvaluationContext( context.Engine, policy, context.ContextDocument );
// Match the policy target with the context document
if( tempPolicy.Match( tempContext ) == rtm.TargetEvaluationValue.Match )
{
if( polEv == null )
{
polEv = policy;
}
else
{
throw new EvaluationException( Resource.ResourceManager[ Resource.MessageKey.exc_duplicated_policy_in_repository ] );
}
}
}
return polEv;
}