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- Some refactoring in WorkContextImpl

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--HG--
branch : dev
This commit is contained in:
Suha Can
2010-10-15 18:16:09 -07:00
parent b16b00c4e5
commit 253d192ed4
1 changed files with 13 additions and 6 deletions
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19
src/Orchard/Environment/DefaultWorkContextAccessor.cs
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@@ -81,10 +81,9 @@ namespace Orchard.Environment {
return _lifetimeScope.BeginLifetimeScope("work", configurationAction);
}
class WorkContextImplementation : WorkContext {
readonly IComponentContext _componentContext;
readonly ConcurrentDictionary<string, object> _state = new ConcurrentDictionary<string, object>();
readonly ConcurrentDictionary<string, Func<object>> _stateResolvers = new ConcurrentDictionary<string, Func<object>>();
readonly IEnumerable<IWorkContextStateProvider> _workContextStateProviders;
public WorkContextImplementation(IComponentContext componentContext) {
@@ -97,19 +96,27 @@ namespace Orchard.Environment {
}
public override T GetState<T>(string name) {
return (T)_state.GetOrAdd(name, s => GetStateInternal<T>(s) == null ? default(T) : GetStateInternal<T>(s).Invoke());
var resolver = _stateResolvers.GetOrAdd(name, FindResolverForState<T>);
return (T)resolver();
}
private Func<T> GetStateInternal<T>(string name) {
return _workContextStateProviders.Select(wcsp => wcsp.Get<T>(name))
Func<object> FindResolverForState<T>(string name) {
var resolver = _workContextStateProviders.Select(wcsp => wcsp.Get<T>(name))
.FirstOrDefault(value => !Equals(value, default(T)));
if (resolver == null) {
return () => default(T);
}
return () => resolver();
}
public override void SetState<T>(string name, T value) {
_state[name] = value;
_stateResolvers[name] = () => value;
}
}
class HttpContextScopeImplementation : IWorkContextScope {
readonly WorkContext _workContext;
readonly Action _disposer;