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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.IdentityModel.Policy
{
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.IdentityModel.Claims;
class DefaultEvaluationContext : EvaluationContext
{
List<ClaimSet> claimSets;
Dictionary<string, object> properties;
DateTime expirationTime = SecurityUtils.MaxUtcDateTime;
int generation;
ReadOnlyCollection<ClaimSet> readOnlyClaimSets;
public DefaultEvaluationContext()
{
this.properties = new Dictionary<string, object>();
this.generation = 0;
}
public override int Generation
{
get { return this.generation; }
}
public override ReadOnlyCollection<ClaimSet> ClaimSets
{
get
{
if (this.claimSets == null)
return EmptyReadOnlyCollection<ClaimSet>.Instance;
if (this.readOnlyClaimSets == null)
this.readOnlyClaimSets = new ReadOnlyCollection<ClaimSet>(this.claimSets);
return this.readOnlyClaimSets;
}
}
public override IDictionary<string, object> Properties
{
get { return this.properties; }
}
public DateTime ExpirationTime
{
get { return this.expirationTime; }
}
public override void AddClaimSet(IAuthorizationPolicy policy, ClaimSet claimSet)
{
if (claimSet == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("claimSet");
if (this.claimSets == null)
this.claimSets = new List<ClaimSet>();
this.claimSets.Add(claimSet);
++this.generation;
}
public override void RecordExpirationTime(DateTime expirationTime)
{
if (this.expirationTime > expirationTime)
this.expirationTime = expirationTime;
}
}
}
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