public void CheckinScript(ScriptedPatchRequest request, Engine context, RavenJObject customFunctions)
{
CachedResult cacheByCustomFunctions;
var patchRequestAndCustomFunctionsTuple = new ScriptedPatchRequestAndCustomFunctionsToken(request, customFunctions);
if (cacheDic.TryGetValue(patchRequestAndCustomFunctionsTuple, out cacheByCustomFunctions))
{
if (cacheByCustomFunctions.Queue.Count > 20)
return;
cacheByCustomFunctions.Queue.Enqueue(context);
return;
}
cacheDic.AddOrUpdate(patchRequestAndCustomFunctionsTuple, patchRequest =>
{
var queue = new ConcurrentQueue<Engine>();
return new CachedResult
{
Queue = queue,
Timestamp = SystemTime.UtcNow,
Usage = 1
};
}, (patchRequest, result) =>
{
result.Queue.Enqueue(context);
return result;
});
}
public void CheckinScript(ScriptedPatchRequest request, Engine context, RavenJObject customFunctions)
{
CachedResult cacheByCustomFunctions;
var patchRequestAndCustomFunctionsTuple = new ScriptedPatchRequestAndCustomFunctionsToken(request, customFunctions);
if (cacheDic.TryGetValue(patchRequestAndCustomFunctionsTuple, out cacheByCustomFunctions))
{
if (cacheByCustomFunctions.Queue.Count > 20)
{
return;
}
cacheByCustomFunctions.Queue.Enqueue(context);
return;
}
cacheDic.AddOrUpdate(patchRequestAndCustomFunctionsTuple, patchRequest =>
{
var queue = new ConcurrentQueue <Engine>();
return(new CachedResult
{
Queue = queue,
Timestamp = SystemTime.UtcNow,
Usage = 1
});
}, (patchRequest, result) =>
{
result.Queue.Enqueue(context);
return(result);
});
}
public Engine GetEngine(Func <PatchRequest, Engine> createEngine, PatchRequest request, string customFunctions)
{
CachedResult value;
var patchRequestAndCustomFunctionsTuple = new ScriptedPatchRequestAndCustomFunctionsToken(request, customFunctions);
if (_cache.TryGetValue(patchRequestAndCustomFunctionsTuple, out value))
{
value.Usage++;
return(value.Engine);
}
var result = createEngine(request);
if (string.IsNullOrWhiteSpace(customFunctions) == false)
{
result.Execute(string.Format(@"var customFunctions = function() {{ var exports = {{ }}; {0};
return exports;
}}();
for(var customFunction in customFunctions) {{
this[customFunction] = customFunctions[customFunction];
}};", customFunctions), new ParserOptions {
Source = "customFunctions.js"
});
}
var cachedResult = new CachedResult
{
Usage = 1,
Timestamp = SystemTime.UtcNow,
Engine = result
};
if (_cache.Count > CacheMaxSize)
{
foreach (var item in _cache.OrderBy(x => x.Value?.Usage)
.ThenByDescending(x => x.Value?.Timestamp)
.Take(CacheMaxSize / 10)
.Select(source => source.Key)
.ToList())
{
_cache.Remove(item);
}
}
_cache[patchRequestAndCustomFunctionsTuple] = cachedResult;
return(result);
}
public Engine CheckoutScript(Func<ScriptedPatchRequest, Engine> createEngine, ScriptedPatchRequest request, RavenJObject customFunctions)
{
CachedResult value;
var patchRequestAndCustomFunctionsTuple = new ScriptedPatchRequestAndCustomFunctionsToken(request, customFunctions);
if (cacheDic.TryGetValue(patchRequestAndCustomFunctionsTuple, out value))
{
Interlocked.Increment(ref value.Usage);
Engine context;
if (value.Queue.TryDequeue(out context))
{
return context;
}
}
var result = createEngine(request);
RavenJToken functions;
if (customFunctions != null && customFunctions.TryGetValue("Functions", out functions))
result.Execute(string.Format(@"var customFunctions = function() {{ var exports = {{ }}; {0};
return exports;
}}();
for(var customFunction in customFunctions) {{
this[customFunction] = customFunctions[customFunction];
}};", functions), new ParserOptions { Source = "customFunctions.js" });
var cachedResult = new CachedResult
{
Usage = 1,
Queue = new ConcurrentQueue<Engine>(),
Timestamp = SystemTime.UtcNow
};
cacheDic.AddOrUpdate(patchRequestAndCustomFunctionsTuple, cachedResult, (_, existing) =>
{
Interlocked.Increment(ref existing.Usage);
return existing;
});
if (cacheDic.Count > CacheMaxSize)
{
foreach (var source in cacheDic
.Where(x => x.Value != null)
.OrderByDescending(x => x.Value.Usage)
.ThenBy(x => x.Value.Timestamp)
.Skip(CacheMaxSize - CacheMaxSize / 10))
{
if (Equals(source.Key, request))
continue; // we don't want to remove the one we just added
CachedResult ignored;
cacheDic.TryRemove(source.Key, out ignored);
}
foreach (var source in cacheDic.Where(x => x.Value == null))
{
CachedResult ignored;
cacheDic.TryRemove(source.Key, out ignored);
}
}
return result;
}
public Engine CheckoutScript(Func <ScriptedPatchRequest, Engine> createEngine, ScriptedPatchRequest request, RavenJObject customFunctions)
{
CachedResult value;
var patchRequestAndCustomFunctionsTuple = new ScriptedPatchRequestAndCustomFunctionsToken(request, customFunctions);
if (cacheDic.TryGetValue(patchRequestAndCustomFunctionsTuple, out value))
{
Interlocked.Increment(ref value.Usage);
Engine context;
if (value.Queue.TryDequeue(out context))
{
return(context);
}
}
var result = createEngine(request);
RavenJToken functions;
if (customFunctions != null && customFunctions.TryGetValue("Functions", out functions))
{
result.Execute(string.Format(@"var customFunctions = function() {{ var exports = {{ }}; {0};
return exports;
}}();
for(var customFunction in customFunctions) {{
this[customFunction] = customFunctions[customFunction];
}};", functions), new ParserOptions {
Source = "customFunctions.js"
});
}
var cachedResult = new CachedResult
{
Usage = 1,
Queue = new ConcurrentQueue <Engine>(),
Timestamp = SystemTime.UtcNow
};
cacheDic.AddOrUpdate(patchRequestAndCustomFunctionsTuple, cachedResult, (_, existing) =>
{
Interlocked.Increment(ref existing.Usage);
return(existing);
});
if (cacheDic.Count > CacheMaxSize)
{
foreach (var source in cacheDic
.Where(x => x.Value != null)
.OrderByDescending(x => x.Value.Usage)
.ThenBy(x => x.Value.Timestamp)
.Skip(CacheMaxSize - CacheMaxSize / 10))
{
if (Equals(source.Key, request))
{
continue; // we don't want to remove the one we just added
}
CachedResult ignored;
cacheDic.TryRemove(source.Key, out ignored);
}
foreach (var source in cacheDic.Where(x => x.Value == null))
{
CachedResult ignored;
cacheDic.TryRemove(source.Key, out ignored);
}
}
return(result);
}
