protected override void EndExecute(AsyncCodeActivityContext context, System.IAsyncResult result)
{
DatabaseConnection existingConnection = DBConnection.Get(context);
try
{
Func <DBExecuteCommandResult> action = (Func <DBExecuteCommandResult>)context.UserState;
DBExecuteCommandResult commandResult = action.EndInvoke(result);
this.AffectedRecords.Set(context, commandResult.Result);
foreach (var param in commandResult.ParametersBind)
{
var currentParam = Parameters[param.Key];
if (currentParam.Direction == ArgumentDirection.Out || currentParam.Direction == ArgumentDirection.InOut)
{
currentParam.Set(context, param.Value.Item1);
}
}
}
catch (Exception ex)
{
HandleException(ex, ContinueOnError.Get(context));
}
finally
{
if (existingConnection == null)
{
DBConn.Dispose();
}
}
}
protected override System.IAsyncResult BeginExecute(AsyncCodeActivityContext context, System.AsyncCallback callback, object state)
{
string connString = null;
string provName = null;
string sql = string.Empty;
int commandTimeout = OverTime.Get(context);
if (commandTimeout < 0)
{
throw new ArgumentException("TimeoutMS");
}
Dictionary <string, Tuple <object, ArgumentDirection> > parameters = null;
try
{
sql = SQLString.Get(context);
DBConn = DBConnection.Get(context);
connString = ConnectionString.Get(context);
provName = ProviderName.Get(context);
if (Parameters != null)
{
parameters = new Dictionary <string, Tuple <object, ArgumentDirection> >();
foreach (var param in Parameters)
{
parameters.Add(param.Key, new Tuple <object, ArgumentDirection>(param.Value.Get(context), param.Value.Direction));
}
}
}
catch (Exception ex)
{
HandleException(ex, ContinueOnError.Get(context));
}
// create the action for doing the actual work
Func <DBExecuteCommandResult> action = () =>
{
DBExecuteCommandResult executeResult = new DBExecuteCommandResult();
if (DBConn == null)
{
DBConn = new DatabaseConnection().Initialize(connString, provName);
}
if (DBConn == null)
{
return(executeResult);
}
executeResult = new DBExecuteCommandResult(DBConn.Execute(sql, parameters, commandTimeout, CommandType), parameters);
return(executeResult);
};
context.UserState = action;
return(action.BeginInvoke(callback, state));
}
protected async override Task <Action <AsyncCodeActivityContext> > ExecuteAsync(AsyncCodeActivityContext context, CancellationToken cancellationToken)
{
string connString = null;
SecureString connSecureString = null;
string provName = null;
string sql = string.Empty;
int commandTimeout = TimeoutMS.Get(context);
DatabaseConnection existingConnection = null;
DBExecuteCommandResult affectedRecords = null;
if (commandTimeout < 0)
{
throw new ArgumentException(Resources.TimeoutMSException, "TimeoutMS");
}
Dictionary <string, Tuple <object, ArgumentDirection> > parameters = null;
var continueOnError = ContinueOnError.Get(context);
try
{
sql = Sql.Get(context);
existingConnection = DbConnection = ExistingDbConnection.Get(context);
connString = ConnectionString.Get(context);
connSecureString = ConnectionSecureString.Get(context);
provName = ProviderName.Get(context);
if (Parameters != null)
{
parameters = new Dictionary <string, Tuple <object, ArgumentDirection> >();
foreach (var param in Parameters)
{
parameters.Add(param.Key, new Tuple <object, ArgumentDirection>(param.Value.Get(context), param.Value.Direction));
}
}
ConnectionHelper.ConnectionValidation(existingConnection, connSecureString, connString, provName);
// create the action for doing the actual work
affectedRecords = await Task.Run(() =>
{
DBExecuteCommandResult executeResult = new DBExecuteCommandResult();
if (DbConnection == null)
{
DbConnection = new DatabaseConnection().Initialize(connString ?? new NetworkCredential("", connSecureString).Password, provName);
}
if (DbConnection == null)
{
return(executeResult);
}
executeResult = new DBExecuteCommandResult(DbConnection.Execute(sql, parameters, commandTimeout, CommandType), parameters);
return(executeResult);
});
}
catch (Exception ex)
{
HandleException(ex, continueOnError);
}
finally
{
if (existingConnection == null)
{
DbConnection?.Dispose();
}
}
return(asyncCodeActivityContext =>
{
AffectedRecords.Set(asyncCodeActivityContext, affectedRecords.Result);
foreach (var param in affectedRecords.ParametersBind)
{
var currentParam = Parameters[param.Key];
if (currentParam.Direction == ArgumentDirection.Out || currentParam.Direction == ArgumentDirection.InOut)
{
currentParam.Set(asyncCodeActivityContext, param.Value.Item1);
}
}
});
}
