public override int GetOrdinal(string name)
{
if ((m_Current != null) && m_Current.Contains(name))
{
TableStorageField field = m_Current[name];
return(m_Current.IndexOf(field));
}
throw ThrowHelper.ThrowObjectNotFound(name, "name", "column with name");
}
private HttpWebRequest GetRequest(TableStorageFieldCollection parameters, out string entryId)
{
if (m_Connection.State != ConnectionState.Open)
{
throw new TableStorageException(Resources.ConnectionNotOpen);
}
if (string.IsNullOrWhiteSpace(m_Connection.ConnectionString))
{
throw new InvalidOperationException("The ConnectionString property has not been initialized.");
}
Regex queryExpression = new Regex(@"^(?<verb>GET|POST|PUT|DELETE)\s*(?<path>/(?<tablename>[a-z][a-z0-9]{2,63}).*)$", RegexOptions.IgnoreCase);
Match queryMatch = queryExpression.Match(CommandText);
string verb = queryMatch.Groups["verb"].Value;
string tableName = queryMatch.Groups["tablename"].Value;
string path = queryMatch.Groups["path"].Value;
Regex parametersExpression = new Regex(@"@(?<param>[\w]{1}[\w\d]*)", RegexOptions.IgnoreCase);
MatchEvaluator evaluator = delegate(Match match)
{
string parameterName = match.Groups["param"].Value;
if (parameters.Contains(parameterName))
{
TableStorageField parameter = parameters[parameterName];
object value = parameter.Value;
if ((value == null) || DBNull.Value.Equals(value))
{
return(string.Empty);
}
return(string.Format(parameter.FormatString, parameter.Value));
}
throw new TableStorageException(string.Format(Resources.ParameterNotFound, parameterName));
};
path = parametersExpression.Replace(path, evaluator);
CloudTableClient tableClient = m_Connection.StorageAccount.CreateCloudTableClient();
tableClient.Timeout = TimeSpan.FromSeconds(CommandTimeout);
tableClient.CreateTableIfNotExist(tableName);
// TODO (Matt Magurany 8/14/2012): If a transaction exists, add to existing batch
Uri url = new Uri(tableClient.BaseUri.AbsoluteUri.Trim('/') + path);
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.Accept = "application/atom+xml,application/xml";
request.Headers["x-ms-version"] = m_Connection.ServerVersion;
request.Headers["Accept-Charset"] = "UTF-8";
request.Headers["DataServiceVersion"] = "2.0;NetFx";
request.Headers["MaxDataServiceVersion"] = "2.0;NetFx";
request.Method = verb;
request.Timeout = CommandTimeout * 1000;
if (StringComparer.OrdinalIgnoreCase.Equals("PUT", verb) || StringComparer.OrdinalIgnoreCase.Equals("DELETE", verb))
{
request.Headers["If-Match"] = "*";
entryId = url.AbsoluteUri;
}
else
{
entryId = null;
}
m_Connection.StorageAccount.Credentials.SignRequestLite(request);
return(request);
}
