internal ResolutionContext(IEnumerable <object> initialScopeNames,
IContainerContext currentContainerContext,
bool isRequestedFromRoot,
bool nullResultAllowed = false,
bool isValidationRequest = false,
HashTree <object, Expression> dependencyOverrides = null,
ParameterExpression[] initialParameters = null)
{
this.DefinedVariables = new Tree <ParameterExpression>();
this.SingleInstructions = new ExpandableArray <Expression>();
this.RemainingDecorators = new ExpandableArray <Type, Utils.Data.Stack <ServiceRegistration> >();
this.CurrentDecorators = new ExpandableArray <ServiceRegistration>();
this.expressionOverrides = dependencyOverrides;
this.NullResultAllowed = nullResultAllowed;
IsValidationRequest = isValidationRequest;
this.CurrentScopeParameter = Constants.ResolutionScopeParameter;
this.ParameterExpressions = initialParameters != null
? new ExpandableArray <Pair <bool, ParameterExpression>[]>()
{
initialParameters.AsParameterPairs()
}
: new ExpandableArray <Pair <bool, ParameterExpression>[]>();
this.ScopeNames = initialScopeNames.AsStack();
this.circularDependencyBarrier = new Utils.Data.Stack <int>();
this.expressionCache = new Tree <Expression>();
this.factoryCache = new Tree <Func <IResolutionScope, object> >();
this.IsRequestedFromRoot = isRequestedFromRoot;
this.CurrentContainerContext = this.RequestInitiatorContainerContext = currentContainerContext;
this.FactoryDelegateCacheEnabled = this.PerResolutionRequestCacheEnabled = dependencyOverrides == null;
this.IsTopRequest = true;
}
internal ResolutionContext BeginDecoratingContext(Type decoratingType, Utils.Data.Stack <ServiceRegistration> serviceRegistrations)
{
var clone = this.Clone();
var newStack = new Utils.Data.Stack <ServiceRegistration>(serviceRegistrations);
var current = newStack.Pop();
clone.CurrentDecorators = new ExpandableArray <ServiceRegistration>(this.CurrentDecorators);
clone.CurrentDecorators.Add(current);
clone.RemainingDecorators = new ExpandableArray <Type, Utils.Data.Stack <ServiceRegistration> >(this.RemainingDecorators);
clone.RemainingDecorators.AddOrUpdate(decoratingType, newStack);
return(clone);
}
private Expression BuildExpressionForDecorator(ServiceRegistration serviceRegistration,
ResolutionContext resolutionContext, Type requestedType, Utils.Data.Stack <ServiceRegistration> decorators)
{
if (serviceRegistration is OpenGenericRegistration openGenericRegistration)
{
serviceRegistration = openGenericRegistration.ProduceClosedRegistration(requestedType);
}
return(this.BuildExpressionAndApplyLifetime(serviceRegistration, resolutionContext,
requestedType, decorators.PeekBack()?.RegistrationContext.Lifetime));
}
