protected override EntityWriter <Departamento> GetWriter(EntityState status)
{
EntityWriter <Departamento> writer = null;
// select Writer
switch (status)
{
case EntityState.Added:
writer = new DepartamentoInsert();
break;
case EntityState.Modified:
writer = new DepartamentoUpdate();
break;
case EntityState.Deleted:
writer = new DepartamentoDelete();
break;
case EntityState.Unchanged:
default:
break;
}
return(writer);
}
protected override EntityWriter <T> GetWriter(EntityState status)
{
EntityWriter <T> writer = null;
// select Writer
switch (status)
{
case EntityState.Added:
writer = GetInsertWriter;
break;
case EntityState.Modified:
writer = GetUpdateWriter;
break;
case EntityState.Deleted:
writer = GetDeleteWriter;
break;
case EntityState.Unchanged:
default:
break;
}
return(writer);
}
public bool Write(Collection <T> collection)
{
// entidades a ser eliminadas
Collection <T> deleteColl = new Collection <T>();
// crear conexion y comenzar transaccion
IDbTransaction transaction;
IDbConnection connection = Connection.GetConnection();
connection.Open();
transaction = connection.BeginTransaction();
try
{
foreach (T entity in collection)
{
EntityWriter <T> writer = GetWriter((entity as IEntity).State);
if (writer != null)
{
writer.Entity = entity;
writer.Connection = connection;
writer.Transaction = transaction;
writer.Execute();
}
// Detectar Delete y almacenar entidad en coleccion para eliminar
if ((entity as IEntity).State == EntityState.Deleted)
{
deleteColl.Add(entity);
}
}
transaction.Commit();
// Eliminar entidades
if (deleteColl.Count > 0)
{
foreach (var item in deleteColl)
{
collection.Remove(item);
}
deleteColl.Clear();
}
return(true);
}
catch (Exception)
{
transaction.Rollback();
//throw;
// log details
return(false);
}
finally
{
connection.Close();
}
}
protected override EntityWriter <ClaveMes> GetWriter(EntityState status)
{
EntityWriter <ClaveMes> writer = null;
// select Writer
switch (status)
{
case EntityState.Added:
writer = new ClaveMesInsert();
break;
case EntityState.Modified:
writer = new ClaveMesUpdate();
break;
case EntityState.Deleted:
writer = new ClaveMesDelete();
break;
case EntityState.Unchanged:
default:
break;
}
return(writer);
}
public bool Write(T entity)
{
// crear conexion y comenzar transaccion
IDbTransaction transaction;
IDbConnection connection = Connection.GetConnection();
connection.Open();
transaction = connection.BeginTransaction();
try
{
EntityWriter <T> writer = GetWriter((entity as IEntity).State);
if (writer != null)
{
writer.Entity = entity;
writer.Connection = connection;
writer.Transaction = transaction;
writer.Execute();
(entity as IEntity).State = EntityState.Unchanged;
}
transaction.Commit();
return(true);
}
catch (Exception)
{
transaction.Rollback();
//throw;
// log details
return(false);
}
finally
{
connection.Close();
}
}