internal T ExecuteCommand <T>(SqlCommand command, CommandBehavior behavior)
{
Type resultType = typeof(T);
if (command.Connection == null)
{
command.Connection = this._innerConnection;
}
var actionResult = ExecuteFailoverPolicy <T>(this._commandRetryPolicy, () =>
{
if (typeof(IDataReader).IsAssignableFrom(resultType))
{
var result = command.ExecuteReader(behavior);
return((T)(IDataReader)result);
}
if (resultType == typeof(XmlReader))
{
throw new NotSupportedException("XmlReader is not supported");
}
if (resultType == typeof(ReliableSqlConnection.NonQueryResult))
{
ReliableSqlConnection.NonQueryResult nonQueryResult = new ReliableSqlConnection.NonQueryResult()
{
RecordsAffected = command.ExecuteNonQuery()
};
return((T)(object)nonQueryResult);
}
var obj = command.ExecuteScalar();
if (obj != null)
{
if (resultType == typeof(object))
{
return((T)obj);
}
return((T)Convert.ChangeType(obj, resultType, (IFormatProvider)CultureInfo.InvariantCulture));
}
return(default(T));
});
return(actionResult);
}
internal async Task <T> ExecuteCommandAsync <T>(SqlCommand command, CommandBehavior behavior, CancellationToken cancellationToken)
{
Type resultType = typeof(T);
if (command.Connection == null)
{
command.Connection = this._innerConnection;
}
var actionResult = await ExecuteFailoverPolicyAsync <T>(this._commandRetryPolicy, new Func <Task <T> >(async() =>
{
if (typeof(IDataReader).IsAssignableFrom(resultType))
{
var result = await command.ExecuteReaderAsync(behavior, cancellationToken);
return((T)(IDataReader)result);
}
if (resultType == typeof(XmlReader))
{
throw new NotSupportedException("XmlReader is not supported");
}
if (resultType == typeof(ReliableSqlConnection.NonQueryResult))
{
ReliableSqlConnection.NonQueryResult nonQueryResult = new ReliableSqlConnection.NonQueryResult()
{
RecordsAffected = await command.ExecuteNonQueryAsync(cancellationToken)
};
return((T)(object)nonQueryResult);
}
var obj = await command.ExecuteScalarAsync(cancellationToken);
if (obj != null)
{
if (resultType == typeof(object))
{
return((T)obj);
}
return((T)Convert.ChangeType(obj, resultType, (IFormatProvider)CultureInfo.InvariantCulture));
}
return(default(T));
}), cancellationToken);
return(actionResult);
}