/// <summary>
/// Raises the <see cref="MessageReceived"/> event.
/// </summary>
/// <param name="message">The <see cref="INExternMsg"/> object that was received.</param>
protected void OnMessageReceived(INExternMsg message)
{
if (message != null)
{
MessageReceived?.Invoke(message, EventArgs.Empty);
}
}
public static INExternMsg BuildMessage(SqlDataReader sqlReader,
StringComparison stringComparison = StringComparison.InvariantCultureIgnoreCase)
{
var message = default(INExternMsg);
if (sqlReader is null || sqlReader.IsClosed || !sqlReader.HasRows)
{
return(message);
}
try
{
var msgStat = sqlReader[STATUS_COL] is DBNull ? 0 : (int)sqlReader[STATUS_COL];
var msgDir = sqlReader[DIRECTION_COL] is DBNull ? 0 : (int)sqlReader[DIRECTION_COL];
if (!Enum.IsDefined(typeof(ExternMsgDirection), msgDir))
{
throw new INExternMsgException(string.Format(
"Message direction '{0}' is not valid.", msgDir));
}
if (!Enum.IsDefined(typeof(ExternMsgStatus), msgStat))
{
throw new INExternMsgException(string.Format(
"Message status '{0}' is not valid.", msgStat));
}
message = new INExternMsg(sqlReader[TYPE_COL] is DBNull ? string.Empty :
(string)sqlReader[TYPE_COL], sqlReader[NAME_COL] is DBNull ? string.Empty :
(string)sqlReader[NAME_COL], (ExternMsgDirection)msgDir,
(ExternMsgStatus)msgStat, sqlReader[START_TIME_COL] is DBNull ? IMAGENOW_DEFAULT_DATE :
(DateTime)sqlReader[START_TIME_COL], sqlReader[END_TIME_COL] is DBNull ? (DateTime?)null :
(DateTime)sqlReader[END_TIME_COL], stringComparison)
{
MessageId = sqlReader[MESSAGE_ID_COL] is DBNull ? null :
(string)sqlReader[MESSAGE_ID_COL],
};
if (string.IsNullOrWhiteSpace(message.MessageId))
{
throw new INExternMsgException("Invalid message ID encountered.");
}
}
catch (Exception ex)
{
throw new INExternMsgException(
string.Format("Error while reading message contents: {0}", ex.Message), ex);
}
return(message);
}
