/// <summary>
/// Tries to get a named scope from the request.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="scopeParameterName">Name of the scope parameter.</param>
/// <returns>The scope, null if not found.</returns>
/// <exception cref="ScopeDisposedException">Thrown when the scope is already disposed.</exception>
public static object TryGetNamedScope(this IContext context, string scopeParameterName)
{
NamedScopeParameter namedScopeParameter = GetNamedScopeParameter(context, scopeParameterName);
if (namedScopeParameter != null)
{
if (namedScopeParameter.Scope.IsDisposed)
{
throw new ScopeDisposedException();
}
{
return(namedScopeParameter.Scope);
}
}
if (context.Request.ParentContext != null)
{
{
return(context.Request.ParentContext.TryGetNamedScope(scopeParameterName));
}
}
return(null);
}
/// <summary>
/// Gets the specified named scope or adds a scope with the specified name in case it does not exist yet.
/// </summary>
/// <param name="parentContext">The parent context.</param>
/// <param name="scopeParameterName">Name of the scope parameter.</param>
/// <returns>The requested scope.</returns>
private static object GetOrAddScope(IContext parentContext, string scopeParameterName)
{
var namedScopeParameter = GetNamedScopeParameter(parentContext, scopeParameterName);
if (namedScopeParameter == null)
{
namedScopeParameter = new NamedScopeParameter(scopeParameterName);
parentContext.Parameters.Add(namedScopeParameter);
}
return(namedScopeParameter.Scope);
}
/// <summary>
/// Gets a named scope from the request.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="scopeParameterName">Name of the scope parameter.</param>
/// <returns>The scope.</returns>
private static object GetScope(IContext context, string scopeParameterName)
{
NamedScopeParameter namedScopeParameter = GetNamedScopeParameter(context, scopeParameterName);
if (namedScopeParameter != null)
{
if (namedScopeParameter.Scope.IsDisposed)
{
throw new ScopeDisposedException();
}
return(namedScopeParameter.Scope);
}
if (context.Request.ParentContext != null)
{
return(GetScope(context.Request.ParentContext, scopeParameterName));
}
throw new UnknownScopeException(scopeParameterName);
}
public void ActivationCreatesNamedScopeReferenceUsingTheKernel()
{
var requestParameters = new List <IParameter>();
var reference = new InstanceReference {
Instance = new object()
};
var namedScopeParameter = new NamedScopeParameter("Scope1");
var kernelMock = new Mock <IKernel>();
var contextMock = CreateContextMock();
contextMock.Object.Parameters.Add(namedScopeParameter);
contextMock.SetupGet(context => context.Kernel).Returns(kernelMock.Object);
SetupKernelGetNamedScopeReference(kernelMock, requestParameters);
var testee = new NamedScopeActivationStrategy();
testee.Activate(contextMock.Object, reference);
requestParameters.Count().Should().Be(2);
AssertConstructorArgumentExists("scope", namedScopeParameter.Scope, requestParameters);
AssertNamedScopeReferenceScopeParameterExists(reference.Instance, requestParameters);
}