public ILifetimeScope GetScope(CreationContext context)
{
var messageContext = MessageContext.Current;
if (messageContext == null)
{
throw new InvalidOperationException(string.Format("Attempted to resolve {0} outside of Rebus message context!", context.RequestedType));
}
var items = messageContext.TransactionContext.Items;
object lifetimeScope;
if (items.TryGetValue(LifestimeScopeItemKey, out lifetimeScope))
{
return (ILifetimeScope) lifetimeScope;
}
var defaultLifetimeScope = new DefaultLifetimeScope();
items[LifestimeScopeItemKey] = defaultLifetimeScope;
messageContext.TransactionContext.OnDisposed(() => defaultLifetimeScope.Dispose());
return defaultLifetimeScope;
}
public ILifetimeScope GetScope(CreationContext context)
{
var selected = context.SelectScopeRoot(scopeRootSelector);
if (selected == null)
{
throw new InvalidOperationException(
string.Format(
"Scope was not available for '{0}'. No component higher up in the resolution stack met the criteria specified for scoping the component. This usually indicates a bug in custom scope root selector or means that the component is being resolved in a unforseen context (a.k.a - it's probably a bug in how the dependencies in the application are wired).",
componentModel.Name));
}
var stash = (DefaultLifetimeScope)selected.GetContextualProperty(ScopeStash);
if (stash == null)
{
DefaultLifetimeScope newStash = null;
newStash = new DefaultLifetimeScope(new ScopeCache(), burden =>
{
if (burden.RequiresDecommission)
{
selected.Burden.RequiresDecommission = true;
selected.Burden.GraphReleased += delegate { newStash.Dispose(); };
}
});
selected.SetContextualProperty(ScopeStash, newStash);
stash = newStash;
}
return(stash);
}
private static ILifetimeScope GetOrCreateSessionScope(HttpSessionStateBase session) {
var scope = (ILifetimeScope) session[lifetimeScopeKey];
if (scope != null)
return scope;
scope = new DefaultLifetimeScope();
session[lifetimeScopeKey] = scope;
return scope;
}
public ILifetimeScope GetScope(CreationContext context)
{
if (!MessageContext.HasCurrent)
return null;
return scopes.GetOrAdd(MessageContext.GetCurrent(), messageContext =>
{
var scope = new DefaultLifetimeScope(new ScopeCache());
messageContext.Disposed += scope.Dispose;
return scope;
});
}
private static ILifetimeScope GetScope(HttpSessionState session, bool createIfNotPresent)
{
var lifetimeScope = (ILifetimeScope)session[key];
if (lifetimeScope == null && createIfNotPresent)
{
lifetimeScope = new DefaultLifetimeScope(new ScopeCache(), null);
session[key] = lifetimeScope;
return lifetimeScope;
}
return lifetimeScope;
}
public ILifetimeScope GetScope(HttpContextBase httpContext)
{
var cookie = httpContext.Request.Cookies["LifeStyle"];
ILifetimeScope currentScope;
if (cookie == null)
{
currentScope = new DefaultLifetimeScope(new ScopeCache());
string key = Guid.NewGuid().ToString();
_knownReferences.SetItem(key, currentScope);
httpContext.Request.Cookies.Add(new HttpCookie("LifeStyle", key));
}
else
currentScope = _knownReferences.GetItem(cookie.Value);
return currentScope;
}
public ILifetimeScope GetScope(CreationContext context)
{
foreach (var additionalArgument in context.AdditionalArguments.Values)
{
if (additionalArgument is ServiceStub)
{
var serviceStub = additionalArgument as ServiceStub;
if (_createdScopes.ContainsKey(serviceStub))
return _createdScopes[serviceStub];
else
{
var scope = new DefaultLifetimeScope();
_createdScopes[serviceStub] = scope;
serviceStub.Disposing += RemoveScope;
return scope;
}
}
}
throw new InvalidOperationException("This was not used as intented, I am expecting a servicestub as a provided argument");
}
public void ClearScope() {
var newScope = new DefaultLifetimeScope();
var oldScope = Interlocked.Exchange(ref scope, newScope);
oldScope.Dispose();
}
private static ILifetimeScope GetScope(HttpContext context, bool createIfNotPresent)
{
var candidates = (ILifetimeScope)context.Items[key];
if (candidates == null && createIfNotPresent)
{
candidates = new DefaultLifetimeScope(new ScopeCache());
context.Items[key] = candidates;
}
return candidates;
}
public static void ResetScope()
{
scope = new DefaultLifetimeScope();
}
