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POHow to use application specific objects in MVC3?
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  1. POHow to use application specific objects in MVC3?
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    copied!<p>I have started working on C#.net MVC3 project from last few months. I didn’t go through any tutorial to understand how .net works, but I was learning based on comparison between Java and .Net. Now I couldn’t understand some basic thing. </p> <p>Here is my question I want to maintain application level cache (not session level or request level), so I created in memory dictionary object and want to play with it. Unfortunately cache objects are reinitializing for every request I guess even though I declared and initialized in global.asax.cs file. </p> <p>Here is my code please help me. </p> <pre><code>CachedComponents.cs ============== public class CachedComponents { private static readonly ILog log = LogManager.GetLogger("CachedComponents"); private Dictionary&lt;string, TridionComponent&gt; componentCache = new Dictionary&lt;string, TridionComponent&gt;(); public CachedTridionComponentsRepository() { } public bool IsExistInCache(string uri) { return componentCache.ContainsKey(uri); } public TridionComponent getCachedItem(string key) { if (componentCache.ContainsKey(key)) { log.Info("[getCachedItem] Cached Item found " + key); return componentCache[key]; } else { return null; } } public void Add(string key, TridionComponent value) { if (componentCache.ContainsKey(key)) { log.Debug("[Add] Item is already Cached...Cache has been Updated..."); componentCache[key] = value; } else { log.Debug("[Add] Item has been added to cache"); componentCache.Add(key, value); } } } Global.asax.cs ========= protected void Application_Start(object sender, EventArgs e) { AreaRegistration.RegisterAllAreas(); RegisterGlobalFilters(GlobalFilters.Filters); RegisterRoutes(RouteTable.Routes); log4net.Config.XmlConfigurator.Configure(); CachedComponents componentsCache = new CachedComponents(); Application.Add("seeta", "seeta"); Application.Add("componentsCache", componentsCache); } MyBusiness.cs ============= public class MyBusiness { private CachedComponets cache = null; public MyBusiness() { if(cache == null) cache = HttpContext.Cuurent.Application.get("componentsCache"); } public TridionComponent myBusinessMethod() { if (cache.IsExistInCach("uri")) return cache.getCachedItem("uri"); TridionComponent tc = GetTridionComponent(); cache.Add("uri",tc); return tc; } } </code></pre>
 

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