/// <summary>
/// Create a new UoW app service in this context.
/// </summary>
public AppServicesBase GetAppService(Type appServiceType)
{
if (this.AllowedAppServiceTypes != null && !this.AllowedAppServiceTypes.Contains(appServiceType))
{
throw new InvalidOperationException("App service of this type is not allowed in this app context.");
}
AppServicesBase result = null;
if (appServiceType.IsInterface)
{
result = _reusableAppServices[appServiceType];
}
else
{
if (appServiceType.IsAssignableFrom(typeof(AppServicesBase)))
{
ReusableInContextAppServiceAttribute reusableInContextAttribute = Attribute.GetCustomAttribute(appServiceType, typeof(ReusableInContextAppServiceAttribute)) as ReusableInContextAppServiceAttribute;
if (reusableInContextAttribute != null)
{
result = _reusableAppServices[appServiceType];
if (result == null)
{
lock (_reusableAppServicesSyncRoot)
{
result = _reusableAppServices[appServiceType];
if (result == null)
{
result = (AppServicesBase)Activator.CreateInstance(appServiceType);
_reusableAppServices.Add(appServiceType, result);
result.InitializeAppService(this);
}
}
}
}
else
{
result = (AppServicesBase)Activator.CreateInstance(appServiceType);
result.InitializeAppService(this);
}
}
else
{
throw new InvalidOperationException("The requested type is not an interface or an AppServiceBase derived type.");
}
}
if (result == null)
{
throw new KeyNotFoundException("The requested app service does not exist.");
}
return(result);
}
/// <summary>
/// Create a new UoW app service in this context.
/// </summary>
public T GetAppService <T>() where T : AppServicesBase, new()
{
Type appServiceType = typeof(T);
if (this.AllowedAppServiceTypes != null && !this.AllowedAppServiceTypes.Contains(appServiceType))
{
throw new InvalidOperationException("App service of this type is not allowed in this app context.");
}
T result = null;
ReusableInContextAppServiceAttribute reusableInContextAttribute = Attribute.GetCustomAttribute(appServiceType, typeof(ReusableInContextAppServiceAttribute)) as ReusableInContextAppServiceAttribute;
if (reusableInContextAttribute != null)
{
result = _reusableAppServices[appServiceType] as T;
if (result == null)
{
lock (_reusableAppServicesSyncRoot)
{
result = _reusableAppServices[appServiceType] as T;
if (result == null)
{
result = new T();
_reusableAppServices.Add(appServiceType, result);
result.InitializeAppService(this);
}
}
}
}
else
{
result = new T();
result.InitializeAppService(this);
}
return(result);
}
