private static LazyOperand CastAppropiateMulti(IScopeFilterProvider provider, string subkey)
{
IMultiValueScopeFilterAsyncProvider <BoolScopeValue> result = provider as IMultiValueScopeFilterAsyncProvider <BoolScopeValue>;
if (result != null)
{
return(new LazyOperand(async() => (await result.ProvideAsync(subkey).ConfigureAwait(false)).GetAsyncOperand()));
}
IMultiValueScopeFilterAsyncProvider <DoubleScopeValue> result2 = provider as IMultiValueScopeFilterAsyncProvider <DoubleScopeValue>;
if (result2 != null)
{
return(new LazyOperand(async() => (await result2.ProvideAsync(subkey).ConfigureAwait(false)).GetAsyncOperand()));
}
IMultiValueScopeFilterAsyncProvider <StringScopeValue> result3 = provider as IMultiValueScopeFilterAsyncProvider <StringScopeValue>;
if (result3 != null)
{
return(new LazyOperand(async() => (await result3.ProvideAsync(subkey).ConfigureAwait(false)).GetAsyncOperand()));
}
return(null);
}
/// <summary>
/// Add a scope filter provider.
/// </summary>
/// <param name="scopeFilterProvider">A filter provider</param>
/// <returns>IRemoteSettings interface for chaining</returns>
public IRemoteSettings RegisterFilterProvider(IScopeFilterProvider scopeFilterProvider)
{
CodeContract.RequiresArgumentNotNull <IScopeFilterProvider>(scopeFilterProvider, "scopeFilterProvider");
scopeParserFactory.ProvidedFilters[scopeFilterProvider.Name] = scopeFilterProvider;
return(this);
}