Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataEntity / System / Data / Metadata / ObjectLayer / LockedAssemblyCache.cs / 1305376 / LockedAssemblyCache.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using System.Collections.Generic; using System.Diagnostics; using System.Reflection; using System.Threading; namespace System.Data.Metadata.Edm { internal class LockedAssemblyCache : IDisposable { private object _lockObject; private Dictionary_globalAssemblyCache; internal LockedAssemblyCache(object lockObject, Dictionary globalAssemblyCache) { _lockObject = lockObject; _globalAssemblyCache = globalAssemblyCache; #pragma warning disable 0618 //@ Monitor.Enter(_lockObject); #pragma warning restore 0618 } public void Dispose() { // Technically, calling GC.SuppressFinalize is not required because the class does not // have a finalizer, but it does no harm, protects against the case where a finalizer is added // in the future, and prevents an FxCop warning. GC.SuppressFinalize(this); Monitor.Exit(_lockObject); _lockObject = null; _globalAssemblyCache = null; } [Conditional("DEBUG")] private void AssertLockedByThisThread() { bool entered = false; Monitor.TryEnter(_lockObject, ref entered); if (entered) { Monitor.Exit(_lockObject); } Debug.Assert(entered, "The cache is being accessed by a thread that isn't holding the lock"); } internal bool TryGetValue(Assembly assembly, out ImmutableAssemblyCacheEntry cacheEntry) { AssertLockedByThisThread(); return _globalAssemblyCache.TryGetValue(assembly, out cacheEntry); } internal void Add(Assembly assembly, ImmutableAssemblyCacheEntry assemblyCacheEntry) { AssertLockedByThisThread(); _globalAssemblyCache.Add(assembly, assemblyCacheEntry); } internal void Clear() { AssertLockedByThisThread(); _globalAssemblyCache.Clear(); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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