public virtual async Task<DocumentHeaderResponse> ExistsAsync(DocumentExistsCommand cmd)
{
Ensure.That(cmd, "cmd").IsNotNull();
var req = CreateRequest(cmd);
var res = SendAsync(req);
return ProcessDocumentHeaderResponse(await res.ForAwait());
}
protected virtual HttpRequestMessage CreateRequest(DocumentExistsCommand cmd)
{
var req = new HttpRequest(HttpMethod.Head, GenerateRequestUrl(cmd.Id, cmd.Rev));
req.SetIfMatch(cmd.Rev);
return req;
}
