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#17816: Avoiding unecessary allocations and comparisons in the DefaultCacheManager.

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--HG--
branch : 1.x
This commit is contained in:
Andre Rodrigues
2011-05-24 14:10:40 -07:00
parent 62c94648ec
commit 3e74f4a4d6
1 changed files with 18 additions and 6 deletions
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24
src/Orchard/Caching/Cache.cs
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@@ -16,11 +16,11 @@ namespace Orchard.Caching {
// "Add" lambda
k => CreateEntry(k, acquire),
// "Update" lamdba
(k, currentEntry) => (currentEntry.Tokens.All(t => t.IsCurrent) ? currentEntry : CreateEntry(k, acquire)));
(k, currentEntry) => (currentEntry.GetTokens() != null && currentEntry.GetTokens().Any(t => !t.IsCurrent) ? CreateEntry(k, acquire) : currentEntry));
// Bubble up volatile tokens to parent context
if (CacheAquireContext.ThreadInstance != null) {
foreach (var token in entry.Tokens)
if (CacheAquireContext.ThreadInstance != null && entry.GetTokens() != null) {
foreach (var token in entry.GetTokens())
CacheAquireContext.ThreadInstance.Monitor(token);
}
@@ -29,8 +29,8 @@ namespace Orchard.Caching {
private static CacheEntry CreateEntry(TKey k, Func<AcquireContext<TKey>, TResult> acquire) {
var entry = new CacheEntry { Tokens = new List<IVolatileToken>() };
var context = new AcquireContext<TKey>(k, volatileItem => entry.Tokens.Add(volatileItem));
var entry = new CacheEntry();
var context = new AcquireContext<TKey>(k, entry.AddToken);
IAcquireContext parentContext = null;
try {
@@ -49,7 +49,19 @@ namespace Orchard.Caching {
private class CacheEntry {
public TResult Result { get; set; }
public IList<IVolatileToken> Tokens { get; set; }
private IList<IVolatileToken> Tokens { get; set; }
public void AddToken(IVolatileToken volatileToken) {
if (Tokens == null) {
Tokens = new List<IVolatileToken>();
}
Tokens.Add(volatileToken);
}
public IEnumerable<IVolatileToken> GetTokens() {
return Tokens;
}
}
}