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//
// EvaluationContext.cs
//
// Author:
// Atsushi Enomoto <atsushi@ximian.com>
//
// Copyright (C) 2005 Novell, Inc. http://www.novell.com
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.IdentityModel.Claims;
namespace System.IdentityModel.Policy
{
public abstract class EvaluationContext
{
protected EvaluationContext ()
{
}
public abstract int Generation { get; }
public abstract IDictionary<string,object> Properties { get; }
public abstract ReadOnlyCollection<ClaimSet> ClaimSets { get; }
public abstract void AddClaimSet (
IAuthorizationPolicy authorizationPolicy,
ClaimSet claimSet);
public abstract void RecordExpirationTime (DateTime time);
}
// default implementation
internal class DefaultEvaluationContext : EvaluationContext
{
DateTime expiration_time = DateTime.MaxValue.AddDays (-1);
int generation;
Collection<ClaimSet> claim_sets;
ReadOnlyCollection<ClaimSet> exposed_claim_sets;
Dictionary<string,object> properties =
new Dictionary<string,object> ();
Dictionary<IAuthorizationPolicy,ClaimSet> claim_set_map =
new Dictionary<IAuthorizationPolicy,ClaimSet> ();
public DefaultEvaluationContext ()
{
claim_sets = new Collection<ClaimSet> ();
exposed_claim_sets =
new ReadOnlyCollection<ClaimSet> (claim_sets);
}
public override int Generation {
get { return generation; }
}
public override IDictionary<string,object> Properties {
get { return properties; }
}
public override ReadOnlyCollection<ClaimSet> ClaimSets {
get { return exposed_claim_sets; }
}
public override void AddClaimSet (
IAuthorizationPolicy authorizationPolicy,
ClaimSet claimSet)
{
generation++;
claim_set_map.Add (authorizationPolicy, claimSet);
claim_sets.Add (claimSet);
}
public override void RecordExpirationTime (DateTime time)
{
expiration_time = time;
}
internal DateTime ExpirationTime {
get { return expiration_time; }
}
}
}
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