public async Task <string> Get(string key)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
// if it contains the key, just return
if (CacheExtensions.TryGetValue(_cache, key, out string cachedValue))
{
return(cachedValue);
}
var value = await GetOrCreate(key);
if (value != null)
{
// the memory cache is threadsafe so we don't need to acquire the lock. the worst case
// scenrio is we call the underlying consul service multiple times initially, but it would
// be faster than getting the lock everytime
CacheExtensions.Set <string>(_cache, key, value, new MemoryCacheEntryOptions()
{
AbsoluteExpiration = DateTime.Now.Add(_expirationTimeSpan)
});
}
return(value);
}
// Token: 0x0600017E RID: 382 RVA: 0x00006EDC File Offset: 0x000050DC
private Task <CompiledViewDescriptor> OnCacheMiss(string normalizedPath)
{
object cacheLock = this._cacheLock;
ViewCompilerWorkItem viewCompilerWorkItem;
MemoryCacheEntryOptions memoryCacheEntryOptions;
TaskCompletionSource <CompiledViewDescriptor> taskCompletionSource;
lock (cacheLock)
{
Task <CompiledViewDescriptor> result;
if (CacheExtensions.TryGetValue <Task <CompiledViewDescriptor> >(this._cache, normalizedPath, out result))
{
return(result);
}
CompiledViewDescriptor precompiledView;
if (this._precompiledViews.TryGetValue(normalizedPath, out precompiledView))
{
this._logger.ViewCompilerLocatedCompiledViewForPath(normalizedPath);
viewCompilerWorkItem = this.CreatePrecompiledWorkItem(normalizedPath, precompiledView);
}
else
{
viewCompilerWorkItem = this.CreateRuntimeCompilationWorkItem(normalizedPath);
}
memoryCacheEntryOptions = new MemoryCacheEntryOptions();
for (int i = 0; i < viewCompilerWorkItem.ExpirationTokens.Count; i++)
{
memoryCacheEntryOptions.ExpirationTokens.Add(viewCompilerWorkItem.ExpirationTokens[i]);
}
taskCompletionSource = new TaskCompletionSource <CompiledViewDescriptor>();
if (!viewCompilerWorkItem.SupportsCompilation)
{
taskCompletionSource.SetResult(viewCompilerWorkItem.Descriptor);
}
_cacheKeyList.Add(normalizedPath);
CacheExtensions.Set <Task <CompiledViewDescriptor> >(this._cache, normalizedPath, taskCompletionSource.Task, memoryCacheEntryOptions);
}
if (viewCompilerWorkItem.SupportsCompilation)
{
CompiledViewDescriptor descriptor = viewCompilerWorkItem.Descriptor;
if (((descriptor != null) ? descriptor.Item : null) != null && ChecksumValidator.IsItemValid(this._projectEngine.FileSystem, viewCompilerWorkItem.Descriptor.Item))
{
taskCompletionSource.SetResult(viewCompilerWorkItem.Descriptor);
return(taskCompletionSource.Task);
}
this._logger.ViewCompilerInvalidingCompiledFile(viewCompilerWorkItem.NormalizedPath);
try
{
CompiledViewDescriptor compiledViewDescriptor = this.CompileAndEmit(normalizedPath);
compiledViewDescriptor.ExpirationTokens = memoryCacheEntryOptions.ExpirationTokens;
taskCompletionSource.SetResult(compiledViewDescriptor);
}
catch (Exception exception)
{
taskCompletionSource.SetException(exception);
}
}
return(taskCompletionSource.Task);
}
public void Store(string key, object content, int duration)
{
object cached;
if (Cache.TryGetValue(key, out cached))
{
Cache.Remove(key);
}
CacheExtensions.Set(Cache, key, content,
new MemoryCacheEntryOptions
{
AbsoluteExpiration = DateTime.Now + TimeSpan.FromSeconds(duration),
Priority = CacheItemPriority.Low
});
}
public async Task <T> Get <T>(string key, TimeSpan expireIn, Func <Task <T> > method)
{
if (string.IsNullOrWhiteSpace(key))
{
throw new ArgumentNullException(nameof(key));
}
var result = CacheExtensions.Get(this._cache, key);
if (result != null)
{
return((T)result);
}
var keyLock = _locks.GetOrAdd(key, x => new SemaphoreSlim(1));
await keyLock.WaitAsync();
try
{
result = CacheExtensions.Get(this._cache, key);
if (result != null)
{
return((T)result);
}
var cacheItemPolicy = new MemoryCacheEntryOptions()
{
AbsoluteExpiration = new DateTimeOffset(DateTime.Now.Add(expireIn))
};
result = await method();
if (result != null)
{
CacheExtensions.Set(this._cache, key, result, cacheItemPolicy);
}
}
finally
{
keyLock.Release();
}
return((T)(result ?? default(T)));
}
public void Set <T>(string key, T value)
{
dummyVar0 = CacheExtensions.Set <T>(this._cache, key, value);
return;
}
