cleaner fix

This commit is contained in:
Shannon
2020-03-26 22:09:49 +11:00
parent 6fef85aafd
commit a855a90a8a

View File

@@ -37,28 +37,13 @@ namespace Umbraco.Core.Cache
/// <inheritdoc />
public object Get(string key, Func<object> factory, TimeSpan? timeout, bool isSliding = false, CacheItemPriority priority = CacheItemPriority.Normal, CacheItemRemovedCallback removedCallback = null, string[] dependentFiles = null)
{
return Get(key, factory, timeout, isSliding, priority, removedCallback,
// NOTE: We don't want to allocate an object if it isn't going to be used so we create the CacheDependency
// in a callback if it's needed ... but more importantly and we didn't anticipate this, just constructing
// a CacheDependency object is expensive and allocates a bunch of stuff, just check the code out for it:
// https://referencesource.microsoft.com/#system.web/Cache/CacheDependency.cs,304
// Init is called as part of the ctor!! yikes.
// This change fixes https://github.com/umbraco/Umbraco-CMS/issues/7773
() => dependentFiles != null && dependentFiles.Length > 0 ? new CacheDependency(dependentFiles) : null);
return GetInternal(key, factory, timeout, isSliding, priority, removedCallback, dependentFiles);
}
/// <inheritdoc />
public void Insert(string key, Func<object> factory, TimeSpan? timeout = null, bool isSliding = false, CacheItemPriority priority = CacheItemPriority.Normal, CacheItemRemovedCallback removedCallback = null, string[] dependentFiles = null)
{
Insert(key, factory, timeout, isSliding, priority, removedCallback,
// NOTE: We don't want to allocate an object if it isn't going to be used so we create the CacheDependency
// in a callback if it's needed ... but more importantly and we didn't anticipate this, just constructing
// a CacheDependency object is expensive and allocates a bunch of stuff, just check the code out for it:
// https://referencesource.microsoft.com/#system.web/Cache/CacheDependency.cs,304
// Init is called as part of the ctor!! yikes.
// This change fixes https://github.com/umbraco/Umbraco-CMS/issues/7773
() => dependentFiles != null && dependentFiles.Length > 0 ? new CacheDependency(dependentFiles) : null);
InsertInternal(key, factory, timeout, isSliding, priority, removedCallback, dependentFiles);
}
#region Dictionary
@@ -108,7 +93,7 @@ namespace Umbraco.Core.Cache
#endregion
private object Get(string key, Func<object> factory, TimeSpan? timeout, bool isSliding = false, CacheItemPriority priority = CacheItemPriority.Normal, CacheItemRemovedCallback removedCallback = null, Func<CacheDependency> dependency = null)
private object GetInternal(string key, Func<object> factory, TimeSpan? timeout, bool isSliding = false, CacheItemPriority priority = CacheItemPriority.Normal, CacheItemRemovedCallback removedCallback = null, string[] dependentFiles = null)
{
key = GetCacheKey(key);
@@ -168,8 +153,12 @@ namespace Umbraco.Core.Cache
var sliding = isSliding == false ? System.Web.Caching.Cache.NoSlidingExpiration : (timeout ?? System.Web.Caching.Cache.NoSlidingExpiration);
lck.UpgradeToWriteLock();
// create a cache dependency if one is needed.
var dependency = dependentFiles != null && dependentFiles.Length > 0 ? new CacheDependency(dependentFiles) : null;
//NOTE: 'Insert' on System.Web.Caching.Cache actually does an add or update!
_cache.Insert(key, result, dependency(), absolute, sliding, priority, removedCallback);
_cache.Insert(key, result, dependency, absolute, sliding, priority, removedCallback);
}
}
@@ -185,7 +174,7 @@ namespace Umbraco.Core.Cache
return value;
}
private void Insert(string cacheKey, Func<object> getCacheItem, TimeSpan? timeout = null, bool isSliding = false, CacheItemPriority priority = CacheItemPriority.Normal, CacheItemRemovedCallback removedCallback = null, Func<CacheDependency> dependency = null)
private void InsertInternal(string cacheKey, Func<object> getCacheItem, TimeSpan? timeout = null, bool isSliding = false, CacheItemPriority priority = CacheItemPriority.Normal, CacheItemRemovedCallback removedCallback = null, string[] dependentFiles = null)
{
// NOTE - here also we must insert a Lazy<object> but we can evaluate it right now
// and make sure we don't store a null value.
@@ -202,8 +191,12 @@ namespace Umbraco.Core.Cache
try
{
_locker.EnterWriteLock();
// create a cache dependency if one is needed.
var dependency = dependentFiles != null && dependentFiles.Length > 0 ? new CacheDependency(dependentFiles) : null;
//NOTE: 'Insert' on System.Web.Caching.Cache actually does an add or update!
_cache.Insert(cacheKey, result, dependency(), absolute, sliding, priority, removedCallback);
_cache.Insert(cacheKey, result, dependency, absolute, sliding, priority, removedCallback);
}
finally
{