/// <summary>
///
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="definition"></param>
/// <param name="objs"></param>
/// <returns></returns>
public static List <T> Update <T>(this ICommandDefinition definition, List <T> objs)
where T : class
{
using (var connection = new SqlConnection(definition.ConnectionString)) {
using (var command = definition.GetCommand()) {
command.Connection = connection;
connection.Open();
try {
foreach (var obj in objs)
{
ParameterMethods.SetInputs(obj, command);
command.ExecuteNonQuery();
ParameterMethods.SetOutputs(obj, command);
}
}
catch (SqlException sqlEx) when(sqlEx.ShouldTryReexecute())
{
if (command.IsCommandBuilt())
{
objs = definition.Update(objs);
}
else
{
throw sqlEx;
}
}
catch {
throw;
}
}
}
return(objs);
}
/// <summary>
///
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="definition"></param>
/// <param name="parameter"></param>
/// <returns></returns>
public static T Execute <T>(this ICommandDefinition definition, T parameter = null)
where T : class
{
using (var connection = new SqlConnection(definition.ConnectionString)) {
using (var command = definition.GetCommand()) {
command.Connection = connection;
connection.Open();
try {
ParameterMethods.SetInputs(parameter, command);
command.ExecuteNonQuery();
ParameterMethods.SetOutputs(parameter, command);
}
catch (SqlException sqlEx) when(sqlEx.ShouldTryReexecute())
{
if (command.IsCommandBuilt())
{
parameter = definition.Execute(parameter);
}
else
{
throw sqlEx;
}
}
catch {
throw;
}
}
}
return(parameter);
}
/// <summary>
///
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="definition"></param>
/// <param name="parameter"></param>
/// <returns></returns>
public static List <T> ToList <T>(this ICommandDefinition definition, T parameter = null)
where T : class, new()
{
List <T> ret = new List <T>();
using (var connection = new SqlConnection(definition.ConnectionString)) {
using (var command = definition.GetCommand()) {
command.Connection = connection;
connection.Open();
try {
ParameterMethods.SetInputs(parameter, command);
executeReaderAndFillList(command, ret);
ParameterMethods.SetOutputs(parameter, command);
}
catch (SqlException sqlEx) when(sqlEx.ShouldTryReexecute())
{
if (command.IsCommandBuilt())
{
ret = definition.ToList(parameter);
}
else
{
throw sqlEx;
}
}
catch {
throw;
}
}
}
return(ret);
}
/// <summary>
/// the command should have the connections string set, doesnt have to be open but
/// the string should be set.
/// </summary>
/// <typeparam name="R"></typeparam>
/// <typeparam name="P"></typeparam>
/// <param name="parameter"></param>
/// <param name="command"></param>
/// <returns></returns>
public static R FirstOrDefault <R, P>(this P parameter, ICommandDefinition definition)
where R : class, new()
where P : class
{
R newObj = null;
using (var connection = new SqlConnection(definition.ConnectionString)) {
using (var command = definition.GetCommand()) {
command.Connection = connection;
connection.Open();
try {
ParameterMethods.SetInputs(parameter, command);
newObj = DataReaderMethods.GetFirst <R>(command);
ParameterMethods.SetOutputs(parameter, command);
}
catch (SqlException sqlEx) when(sqlEx.ShouldTryReexecute())
{
if (command.IsCommandBuilt())
{
newObj = parameter.FirstOrDefault <R, P>(definition);
}
else
{
throw sqlEx;
}
}
catch {
throw;
}
}
}
return(newObj);
}