private static T GetOrCreate <T>(
string key,
IDataLoaderRegistry registry,
Action <IDataLoaderRegistry> register)
where T : IDataLoader
{
if (registry == null)
{
throw new InvalidOperationException(TypeResources
.DataLoaderResolverContextExtensions_RegistryIsNull);
}
if (!registry.TryGet(key, out T dataLoader))
{
register(registry);
if (!registry.TryGet(key, out dataLoader))
{
throw new InvalidOperationException(TypeResources
.DataLoaderResolverContextExtensions_UnableToRegister);
}
}
return(dataLoader);
}
private static T GetOrCreate <T>(
string key,
IDataLoaderRegistry registry,
Action <IDataLoaderRegistry> register)
where T : IDataLoader
{
if (registry == null)
{
// TODO : resources
throw new InvalidOperationException(
"No DataLoader registry was registerd with your " +
"dependency injection.");
}
if (!registry.TryGet(key, out T dataLoader))
{
register(registry);
if (!registry.TryGet(key, out dataLoader))
{
// TODO : resources
throw new InvalidOperationException(
"Unable to register a DataLoader with your " +
"DataLoader registry.");
}
}
return(dataLoader);
}