1 // 2 // System.Web.UI.ControlCachePolicy 3 // 4 // Authors: 5 // Dick Porter <dick@ximian.com> 6 // Marek Habersack <mhabersack@novell.com> 7 // 8 // Copyright (C) 2005-2010 Novell, Inc (http://www.novell.com) 9 // 10 // Permission is hereby granted, free of charge, to any person obtaining 11 // a copy of this software and associated documentation files (the 12 // "Software"), to deal in the Software without restriction, including 13 // without limitation the rights to use, copy, modify, merge, publish, 14 // distribute, sublicense, and/or sell copies of the Software, and to 15 // permit persons to whom the Software is furnished to do so, subject to 16 // the following conditions: 17 // 18 // The above copyright notice and this permission notice shall be 19 // included in all copies or substantial portions of the Software. 20 // 21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 28 // 29 30 using System.Web.Caching; 31 32 namespace System.Web.UI 33 { 34 public sealed class ControlCachePolicy 35 { 36 BasePartialCachingControl bpcc; 37 bool cached; 38 ControlCachePolicy()39 internal ControlCachePolicy () : this (null) 40 { 41 } 42 ControlCachePolicy(BasePartialCachingControl bpcc)43 internal ControlCachePolicy (BasePartialCachingControl bpcc) 44 { 45 this.bpcc = bpcc; 46 } 47 48 public bool Cached 49 { 50 get { 51 AssertBasePartialCachingControl (); 52 return cached; 53 } 54 55 set { 56 AssertBasePartialCachingControl (); 57 cached = value; 58 } 59 } 60 61 public CacheDependency Dependency 62 { 63 get { 64 AssertBasePartialCachingControl (); 65 return bpcc.Dependency; 66 } 67 set { 68 AssertBasePartialCachingControl (); 69 bpcc.Dependency = value; 70 } 71 } 72 73 public TimeSpan Duration 74 { 75 get { 76 AssertBasePartialCachingControl (); 77 return TimeSpan.FromMinutes (bpcc.Duration); 78 } 79 set { 80 AssertBasePartialCachingControl (); 81 bpcc.Duration = value.Minutes; 82 } 83 } 84 public string ProviderName { 85 get { 86 AssertBasePartialCachingControl (); 87 return bpcc.ProviderName; 88 } 89 90 set { 91 AssertBasePartialCachingControl (); 92 bpcc.ProviderName = value; 93 } 94 } 95 public bool SupportsCaching 96 { 97 get { 98 return bpcc != null; 99 } 100 } 101 102 public string VaryByControl 103 { 104 get { 105 AssertBasePartialCachingControl (); 106 return bpcc.VaryByControls; 107 } 108 set { 109 AssertBasePartialCachingControl (); 110 bpcc.VaryByControls = value; 111 } 112 } 113 114 public HttpCacheVaryByParams VaryByParams { 115 get { 116 AssertBasePartialCachingControl (); 117 throw new NotImplementedException (); 118 } 119 } 120 SetExpires(DateTime expirationTime)121 public void SetExpires (DateTime expirationTime) 122 { 123 AssertBasePartialCachingControl (); 124 bpcc.ExpirationTime = expirationTime; 125 } 126 SetSlidingExpiration(bool useSlidingExpiration)127 public void SetSlidingExpiration (bool useSlidingExpiration) 128 { 129 AssertBasePartialCachingControl (); 130 bpcc.SlidingExpiration = useSlidingExpiration; 131 } 132 SetVaryByCustom(string varyByCustom)133 public void SetVaryByCustom (string varyByCustom) 134 { 135 AssertBasePartialCachingControl (); 136 bpcc.VaryByCustom = varyByCustom; 137 } 138 AssertBasePartialCachingControl()139 void AssertBasePartialCachingControl () 140 { 141 if (bpcc == null) 142 throw new HttpException ("The user control is not associated with a 'BasePartialCachingControl' and is not cacheable."); 143 } 144 145 } 146 } 147