ControlCachePolicy.cs :  » 2.6.4-mono-.net-core » System.Web » System » Web » UI » C# / CSharp Open Source

//
// System.Web.UI.ControlCachePolicy
//
// Authors:
//  Dick Porter  <dick@ximian.com>
//      Marek Habersack <mhabersack@novell.com>
//
// Copyright (C) 2005-2010 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.Web.Caching;

namespace System.Web.UI{
  public sealed class ControlCachePolicy
  {
    BasePartialCachingControl bpcc;
    bool cached;
    
    internal ControlCachePolicy () : this (null)
    {
    }

    internal ControlCachePolicy (BasePartialCachingControl bpcc)
    {
      this.bpcc = bpcc;
    }
    
    public bool Cached 
    {
      get {
        AssertBasePartialCachingControl ();
        return cached;
      }
      
      set {
        AssertBasePartialCachingControl ();
        cached = value;
      }
    }

    public CacheDependency Dependency 
    {
      get {
        AssertBasePartialCachingControl ();
        return bpcc.Dependency;
      }
      set {
        AssertBasePartialCachingControl ();
        bpcc.Dependency = value;
      }
    }

    public TimeSpan Duration 
    {
      get {
        AssertBasePartialCachingControl ();
        return TimeSpan.FromMinutes (bpcc.Duration);
      }
      set {
        AssertBasePartialCachingControl ();
        bpcc.Duration = value.Minutes;
      }
    }

    public bool SupportsCaching 
    {
      get {
        return bpcc != null;
      }
    }

    public string VaryByControl 
    {
      get {
        AssertBasePartialCachingControl ();
        return bpcc.VaryByControls;
      }
      set {
        AssertBasePartialCachingControl ();
        bpcc.VaryByControls = value;
      }
    }

    public HttpCacheVaryByParams VaryByParams {
      get {
        AssertBasePartialCachingControl ();
        throw new NotImplementedException ();
      }
    }

    public void SetExpires (DateTime expirationTime)
    {
      AssertBasePartialCachingControl ();
      bpcc.ExpirationTime = expirationTime;
    }

    public void SetSlidingExpiration (bool useSlidingExpiration)
    {
      AssertBasePartialCachingControl ();
      bpcc.SlidingExpiration = useSlidingExpiration;
    }

    public void SetVaryByCustom (string varyByCustom)
    {
      AssertBasePartialCachingControl ();
      bpcc.VaryByCustom = varyByCustom;
    }

    void AssertBasePartialCachingControl ()
    {
      if (bpcc == null)
        throw new HttpException ("The user control is not associated with a 'BasePartialCachingControl' and is not cacheable.");
    }
    
  }
}