/// <summary>
/// Contructor.
/// </summary>
/// <param name="deviceProfile">
/// the customer' device to edit
/// </param>
public DeviceProfileForm(DeviceProfileEntity deviceProfile)
{
if (deviceProfile == null)
{
this.Dispose();
return;
}
else
{
deviceProfileCustomer = deviceProfile;
}
InitializeComponent();
}
public CustomerEntity llenarPerfil()
{
Customer customerBusiness = new Customer();
CustomerEntity customer = new CustomerEntity();
PreferenceEntity preference = new PreferenceEntity();
CategoryEntity category = new CategoryEntity();
category.Description = "Sport";
preference.Category = category;
preference.Active = true;
PreferenceEntity preference2 = new PreferenceEntity();
CategoryEntity category2 = new CategoryEntity();
category2.Description = "Food";
preference2.Category = category2;
preference2.Active = true;
customer.Preferences = new ArrayList();
customer.Preferences.Add(preference);
customer.Preferences.Add(preference2);
DeviceProfileEntity device = new DeviceProfileEntity();
device.DeviceType = "Smartphone";
device.DeviceModel = "5.5";
device.MacAddress = "8F-6A-88-F0-AA-10";
device.WindowsMobileVersion = "6.0";
customer.Id = 1;
customer.Name = "Javier";
customer.Surname = "Dall' Amore";
customer.Phonenumber = "4871419";
customer.Address = "Facundo Quiroga 2525";
customer.UserName = "******";
customer.Password = "******";
customer.IdMall = 1;
customer.DeviceProfile = device;
customerBusiness.Delete(customer, "");
customerBusiness.Save(customer, "");
return(customer);
}
private void FillSaveParameters(DeviceProfileEntity deviceProfile, SqlCeCommand sqlCommand)
{
SqlCeParameter parameter;
parameter = dataAccess.GetNewDataParameter("@deviceType", DbType.String);
parameter.Value = deviceProfile.DeviceType;
if (String.IsNullOrEmpty(deviceProfile.DeviceType))
{
parameter.Value = DBNull.Value;
}
sqlCommand.Parameters.Add(parameter);
parameter = dataAccess.GetNewDataParameter("@deviceModel", DbType.String);
parameter.Value = deviceProfile.DeviceModel;
if (String.IsNullOrEmpty(deviceProfile.DeviceModel))
{
parameter.Value = DBNull.Value;
}
sqlCommand.Parameters.Add(parameter);
parameter = dataAccess.GetNewDataParameter("@macAddress", DbType.String);
parameter.Value = deviceProfile.MacAddress;
if (String.IsNullOrEmpty(deviceProfile.MacAddress))
{
parameter.Value = DBNull.Value;
}
sqlCommand.Parameters.Add(parameter);
parameter = dataAccess.GetNewDataParameter("@windowsMobileVersion", DbType.String);
parameter.Value = deviceProfile.WindowsMobileVersion;
if (String.IsNullOrEmpty(deviceProfile.WindowsMobileVersion))
{
parameter.Value = DBNull.Value;
}
sqlCommand.Parameters.Add(parameter);
parameter = dataAccess.GetNewDataParameter("@idCustomer", DbType.Int32);
parameter.Value = deviceProfile.IdCustomer;
sqlCommand.Parameters.Add(parameter);
}
/// <summary>
/// Función para cargar un DeviceProfileEntity desde la base de datos.
/// </summary>
/// <param name="id">El id del registro a cargar</param>
/// <param name="loadRelation">Si es true carga las relaciones</param>
/// <param name="scope">Estructura interna usada para evitar la referencia circular, debe ser proveida si es llamada desde otro data access</param>
/// <returns>La instancia de la entidad</returns>
/// <exception cref="UtnEmallDataAccessException">
/// Si una DbException ocurre mientras se accede a la base de datos
/// </exception>
public DeviceProfileEntity Load(int id, bool loadRelation, Dictionary <string, IEntity> scope)
{
// Crea una clave para el objeto de scope interno
string scopeKey = id.ToString(NumberFormatInfo.InvariantInfo) + "DeviceProfile";
if (scope != null)
{
// Si el scope contiene el objeto, este ya fue cargado
// retorna el objeto situado en el scope para evitar referencias circulares
if (scope.ContainsKey(scopeKey))
{
return((DeviceProfileEntity)scope[scopeKey]);
}
}
else
{
// Si no existe un scope, crear uno
scope = new Dictionary <string, IEntity>();
}
DeviceProfileEntity deviceProfile = null;
// Chequear si la entidad fue ya cargada por el data access actual
// y retornar si fue ya cargada
if (inMemoryEntities.ContainsKey(id))
{
deviceProfile = inMemoryEntities[id];
// Agregar el objeto actual al scope
scope.Add(scopeKey, deviceProfile);
}
else
{
bool closeConnection = false;
try
{
// Abrir una nueva conexión si no es una transaccion
if (dbConnection == null || dbConnection.State.CompareTo(ConnectionState.Closed) == 0)
{
closeConnection = true;
dbConnection = dataAccess.GetNewConnection();
dbConnection.Open();
}
string cmdText = "SELECT idDeviceProfile, deviceType, deviceModel, macAddress, windowsMobileVersion, idCustomer, timestamp FROM [DeviceProfile] WHERE idDeviceProfile = @idDeviceProfile";
// Crea el command
SqlCeCommand sqlCommand = dataAccess.GetNewCommand(cmdText, dbConnection, dbTransaction);
// Crear el parametro id para la consulta
SqlCeParameter parameter = dataAccess.GetNewDataParameter("@idDeviceProfile", DbType.Int32);
parameter.Value = id;
sqlCommand.Parameters.Add(parameter);
// Usar el datareader para cargar desde la base de datos
IDataReader reader = sqlCommand.ExecuteReader();
deviceProfile = new DeviceProfileEntity();
if (reader.Read())
{
// Cargar las filas de la entidad
deviceProfile.Id = reader.GetInt32(0);
if (!reader.IsDBNull(1))
{
deviceProfile.DeviceType = reader.GetString(1);
}
if (!reader.IsDBNull(2))
{
deviceProfile.DeviceModel = reader.GetString(2);
}
if (!reader.IsDBNull(3))
{
deviceProfile.MacAddress = reader.GetString(3);
}
if (!reader.IsDBNull(4))
{
deviceProfile.WindowsMobileVersion = reader.GetString(4);
}
deviceProfile.IdCustomer = reader.GetInt32(5);
// Agregar el objeto actual al scope
scope.Add(scopeKey, deviceProfile);
// Agregar el objeto a la cahce de entidades cargadas
inMemoryEntities.Add(deviceProfile.Id, deviceProfile);
// Lee el timestamp y establece las propiedades nuevo y cambiado
deviceProfile.Timestamp = reader.GetDateTime(6);
deviceProfile.IsNew = false;
deviceProfile.Changed = false;
// Cerrar el Reader
reader.Close();
// Carga los objetos relacionadoss if required
if (loadRelation)
{
}
}
else
{
reader.Close();
}
}
catch (DbException dbException)
{
// Relanza la excepcion como una excepcion personalizada
throw new UtnEmallDataAccessException(dbException.Message, dbException);
}
finally
{
// Cierra la conexión si fue creada dentro de la Función
if (closeConnection)
{
dbConnection.Close();
}
}
}
// Retorna la entidad cargada
return(deviceProfile);
}
/// <summary>
/// Función que elimina un DeviceProfileEntity de la base de datos.
/// </summary>
/// <param name="deviceProfile">DeviceProfileEntity a eliminar</param>
/// <param name="scope">Estructura interna para evitar problemas de referencia circular.</param>
/// <exception cref="ArgumentNullException">
/// Si <paramref name="deviceProfile"/> no es un <c>DeviceProfileEntity</c>.
/// </exception>
/// <exception cref="UtnEmallDataAccessException">
/// Si una DbException ocurre cuando se accede a la base de datos
/// </exception>
public void Delete(DeviceProfileEntity deviceProfile, Dictionary <string, IEntity> scope)
{
if (deviceProfile == null)
{
throw new ArgumentException("The argument can't be null");
}
try
{
// Abrir una nueva conexión e inicializar una transacción si es necesario
if (!isGlobalTransaction)
{
dbConnection = dataAccess.GetNewConnection();
dbConnection.Open();
dbTransaction = dbConnection.BeginTransaction();
}
// Carga la entidad para garantizar eliminar todos los datos antiguos.
deviceProfile = this.Load(deviceProfile.Id, true);
if (deviceProfile == null)
{
throw new UtnEmallDataAccessException("Error al recuperar datos al intentar eliminar.");
}
// Crea un nuevo command para eliminar
string cmdText = "DELETE FROM [DeviceProfile] WHERE idDeviceProfile = @idDeviceProfile";
SqlCeCommand sqlCommand = dataAccess.GetNewCommand(cmdText, dbConnection, dbTransaction);
// Agrega los valores de los parametros
SqlCeParameter parameterID = dataAccess.GetNewDataParameter("@idDeviceProfile", DbType.Int32);
parameterID.Value = deviceProfile.Id;
sqlCommand.Parameters.Add(parameterID);
// Ejecuta el comando
sqlCommand.ExecuteNonQuery();
// Elimina los objetos relacionados
// Confirma la transacción si se inicio dentro de la función
if (!isGlobalTransaction)
{
dbTransaction.Commit();
}
// Eliminamos la entidad de la lista de entidades cargadas en memoria
inMemoryEntities.Remove(deviceProfile.Id);
// Eliminamos la entidad del scope
if (scope != null)
{
string scopeKey = deviceProfile.Id.ToString(NumberFormatInfo.InvariantInfo) + "DeviceProfile";
scope.Remove(scopeKey);
}
}
catch (DbException dbException)
{
// Anula la transaccion
if (!isGlobalTransaction)
{
dbTransaction.Rollback();
}
// Relanza una excepcion personalizada
throw new UtnEmallDataAccessException(dbException.Message, dbException);
}
finally
{
// Cierra la conexión si fue abierta dentro de la Función
if (!isGlobalTransaction)
{
dbConnection.Close();
dbConnection = null;
dbTransaction = null;
}
}
}
/// <summary>
/// Función que elimina un DeviceProfileEntity de la base de datos.
/// </summary>
/// <param name="deviceProfile">DeviceProfileEntity a eliminar</param>
/// <exception cref="ArgumentNullException">
/// Si <paramref name="deviceProfile"/> no es un <c>DeviceProfileEntity</c>.
/// </exception>
/// <exception cref="UtnEmallDataAccessException">
/// Si una DbException ocurre cuando se accede a la base de datos
/// </exception>
public void Delete(DeviceProfileEntity deviceProfile)
{
Delete(deviceProfile, null);
}
/// <summary>
/// Función que guarda un DeviceProfileEntity en la base de datos.
/// </summary>
/// <param name="deviceProfile">DeviceProfileEntity a guardar</param>
/// <param name="scope">Estructura interna para evitar problemas con referencias circulares</param>
/// <exception cref="ArgumentNullException">
/// Si <paramref name="deviceProfile"/> no es un <c>DeviceProfileEntity</c>.
/// </exception>
/// <exception cref="UtnEmallDataAccessException">
/// Si una DbException ocurre cuando se accede a la base de datos
/// </exception>
public void Save(DeviceProfileEntity deviceProfile, Dictionary <string, IEntity> scope)
{
if (deviceProfile == null)
{
throw new ArgumentException("The argument can't be null");
}
// Crear una clave unica para identificar el objeto dentro del scope interno
string scopeKey = deviceProfile.Id.ToString(NumberFormatInfo.InvariantInfo) + "DeviceProfile";
if (scope != null)
{
// Si se encuentra dentro del scope lo retornamos
if (scope.ContainsKey(scopeKey))
{
return;
}
}
else
{
// Crea un nuevo scope si este no fue enviado
scope = new Dictionary <string, IEntity>();
}
try
{
// Crea una nueva conexion y una nueva transaccion si no hay una a nivel superior
if (!isGlobalTransaction)
{
dbConnection = dataAccess.GetNewConnection();
dbConnection.Open();
dbTransaction = dbConnection.BeginTransaction();
}
string commandName = "";
bool isUpdate = false;
// Verifica si se debe hacer una actualización o una inserción
if (deviceProfile.IsNew || !DataAccessConnection.ExistsEntity(deviceProfile.Id, "DeviceProfile", "idDeviceProfile", dbConnection, dbTransaction))
{
commandName = "INSERT INTO [DeviceProfile] (idDeviceProfile, DEVICETYPE, DEVICEMODEL, MACADDRESS, WINDOWSMOBILEVERSION, IDCUSTOMER, [TIMESTAMP] ) VALUES( @idDeviceProfile, @deviceType,@deviceModel,@macAddress,@windowsMobileVersion,@idCustomer, GETDATE()); ";
}
else
{
isUpdate = true;
commandName = "UPDATE [DeviceProfile] SET deviceType = @deviceType, deviceModel = @deviceModel, macAddress = @macAddress, windowsMobileVersion = @windowsMobileVersion, idCustomer = @idCustomer , timestamp=GETDATE() WHERE idDeviceProfile = @idDeviceProfile";
}
// Se crea un command
SqlCeCommand sqlCommand = dataAccess.GetNewCommand(commandName, dbConnection, dbTransaction);
// Agregar los parametros del command .
SqlCeParameter parameter;
if (!isUpdate && deviceProfile.Id == 0)
{
deviceProfile.Id = DataAccessConnection.GetNextId("idDeviceProfile", "DeviceProfile", dbConnection, dbTransaction);
}
parameter = dataAccess.GetNewDataParameter("@idDeviceProfile", DbType.Int32);
parameter.Value = deviceProfile.Id;
sqlCommand.Parameters.Add(parameter);
FillSaveParameters(deviceProfile, sqlCommand);
// Ejecutar el command
sqlCommand.ExecuteNonQuery();
scopeKey = deviceProfile.Id.ToString(NumberFormatInfo.InvariantInfo) + "DeviceProfile";
// Agregar la entidad al scope actual
scope.Add(scopeKey, deviceProfile);
// Guarda las colecciones de objetos relacionados.
// Guardar objetos relacionados con la entidad actual
// Actualizar
// Cierra la conexión si fue abierta en la función
if (!isGlobalTransaction)
{
dbTransaction.Commit();
}
// Actualizar los campos new y changed
deviceProfile.IsNew = false;
deviceProfile.Changed = false;
}
catch (DbException dbException)
{
// Anula la transaccion
if (!isGlobalTransaction)
{
dbTransaction.Rollback();
}
// Relanza una excepcion personalizada
throw new UtnEmallDataAccessException(dbException.Message, dbException);
}
finally
{
// Cierra la conexión si fue inicializada
if (!isGlobalTransaction)
{
dbConnection.Close();
dbConnection = null;
dbTransaction = null;
}
}
}
/// <summary>
/// Función que guarda un DeviceProfileEntity en la base de datos.
/// </summary>
/// <param name="deviceProfile">DeviceProfileEntity a guardar</param>
/// <exception cref="ArgumentNullException">
/// Si <paramref name="deviceProfile"/> no es un <c>DeviceProfileEntity</c>.
/// </exception>
/// <exception cref="UtnEmallDataAccessException">
/// Si una DbException ocurre cuando se accede a la base de datos
/// </exception>
public void Save(DeviceProfileEntity deviceProfile)
{
Save(deviceProfile, null);
}
/// <summary>
/// Function to load a DeviceProfileEntity from database.
/// </summary>
/// <param name="id">The ID of the record to load</param>
/// <param name="loadRelation">if is true load the relation</param>
/// <param name="scope">Internal structure used to avoid circular reference locks, must be provided if calling from other data access object</param>
/// <returns>The entity instance</returns>
/// <exception cref="UtnEmallDataAccessException">
/// If a DbException occurs while accessing the database.
/// </exception>
public DeviceProfileEntity Load(int id, bool loadRelation, Dictionary <string, IEntity> scope)
{
// Build a key for internal scope object
string scopeKey = id.ToString(NumberFormatInfo.InvariantInfo) + "DeviceProfile";
if (scope != null)
{
// If scope contains the object it was already loaded,
// return it to avoid circular references
if (scope.ContainsKey(scopeKey))
{
return((DeviceProfileEntity)scope[scopeKey]);
}
}
else
{
// If there isn't a current scope create one
scope = new Dictionary <string, IEntity>();
}
DeviceProfileEntity deviceProfile = null;
// Check if the entity was already loaded by current data access object
// and return it if that is the case
if (inMemoryEntities.ContainsKey(id))
{
deviceProfile = inMemoryEntities[id];
// Add current object to current load scope
scope.Add(scopeKey, deviceProfile);
}
else
{
bool closeConnection = false;
try
{
// Open a new connection if it isn't on a transaction
if (dbConnection == null || dbConnection.State.CompareTo(ConnectionState.Closed) == 0)
{
closeConnection = true;
dbConnection = dataAccess.GetNewConnection();
dbConnection.Open();
}
string cmdText = "SELECT idDeviceProfile, deviceType, deviceModel, macAddress, windowsMobileVersion, idCustomer, timestamp FROM [DeviceProfile] WHERE idDeviceProfile = @idDeviceProfile";
// Create the command
IDbCommand sqlCommand = dataAccess.GetNewCommand(cmdText, dbConnection, dbTransaction);
// Create the Id parameter for the query
IDbDataParameter parameter = dataAccess.GetNewDataParameter("@idDeviceProfile", DbType.Int32);
parameter.Value = id;
sqlCommand.Parameters.Add(parameter);
// Use a DataReader to get data from db
IDataReader reader = sqlCommand.ExecuteReader();
deviceProfile = new DeviceProfileEntity();
if (reader.Read())
{
// Load fields of entity
deviceProfile.Id = reader.GetInt32(0);
if (!reader.IsDBNull(1))
{
deviceProfile.DeviceType = reader.GetString(1);
}
if (!reader.IsDBNull(2))
{
deviceProfile.DeviceModel = reader.GetString(2);
}
if (!reader.IsDBNull(3))
{
deviceProfile.MacAddress = reader.GetString(3);
}
if (!reader.IsDBNull(4))
{
deviceProfile.WindowsMobileVersion = reader.GetString(4);
}
deviceProfile.IdCustomer = reader.GetInt32(5);
// Add current object to the scope
scope.Add(scopeKey, deviceProfile);
// Add current object to cache of loaded entities
inMemoryEntities.Add(deviceProfile.Id, deviceProfile);
// Read the timestamp and set new and changed properties
deviceProfile.Timestamp = reader.GetDateTime(6);
deviceProfile.IsNew = false;
deviceProfile.Changed = false;
// Close the reader
reader.Close();
// Load related objects if required
if (loadRelation)
{
}
}
else
{
reader.Close();
}
}
catch (DbException dbException)
{
// Catch DBException and rethrow as custom exception
throw new UtnEmallDataAccessException(dbException.Message, dbException);
}
finally
{
// Close connection if it was opened by ourself
if (closeConnection)
{
dbConnection.Close();
}
}
}
// Return the loaded entity
return(deviceProfile);
}
/// <summary>
/// Function to Delete a DeviceProfileEntity from database.
/// </summary>
/// <param name="deviceProfile">DeviceProfileEntity to delete</param>
/// <param name="scope">Internal structure to avoid circular reference locks. Must provide an instance while calling from other data access object.</param>
/// <exception cref="ArgumentNullException">
/// If <paramref name="deviceProfile"/> is not a <c>DeviceProfileEntity</c>.
/// </exception>
/// <exception cref="UtnEmallDataAccessException">
/// If an DbException occurs in the try block while accessing the database.
/// </exception>
public void Delete(DeviceProfileEntity deviceProfile, Dictionary <string, IEntity> scope)
{
if (deviceProfile == null)
{
throw new ArgumentException("The argument can't be null");
}
try
{
// Open connection and initialize a transaction if needed
if (!isGlobalTransaction)
{
dbConnection = dataAccess.GetNewConnection();
dbConnection.Open();
dbTransaction = dbConnection.BeginTransaction();
}
// Reload the entity to ensure deletion of older data
deviceProfile = this.Load(deviceProfile.Id, true);
if (deviceProfile == null)
{
throw new UtnEmallDataAccessException("Error retrieving data while trying to delete.");
}
// Create a command for delete
string cmdText = "DeleteDeviceProfile";
IDbCommand sqlCommand = dataAccess.GetNewCommand(cmdText, dbConnection, dbTransaction);
sqlCommand.CommandType = CommandType.StoredProcedure;
// Add values to parameters
IDbDataParameter parameterID = dataAccess.GetNewDataParameter("@idDeviceProfile", DbType.Int32);
parameterID.Value = deviceProfile.Id;
sqlCommand.Parameters.Add(parameterID);
// Execute the command
sqlCommand.ExecuteNonQuery();
// Delete related objects
// Commit transaction if is mine
if (!isGlobalTransaction)
{
dbTransaction.Commit();
}
// Remove entity from loaded objects
inMemoryEntities.Remove(deviceProfile.Id);
// Remove entity from current internal scope
if (scope != null)
{
string scopeKey = deviceProfile.Id.ToString(NumberFormatInfo.InvariantInfo) + "DeviceProfile";
scope.Remove(scopeKey);
}
}
catch (DbException dbException)
{
// Rollback transaction
if (!isGlobalTransaction)
{
dbTransaction.Rollback();
}
// Rethrow as custom exception
throw new UtnEmallDataAccessException(dbException.Message, dbException);
}
finally
{
// Close connection if it was initiated by this instance
if (!isGlobalTransaction)
{
dbConnection.Close();
dbConnection = null;
dbTransaction = null;
}
}
}
/// <summary>
/// Function to Save a DeviceProfileEntity in the database.
/// </summary>
/// <param name="deviceProfile">DeviceProfileEntity to save</param>
/// <param name="scope">Interna structure to avoid circular reference locks. Provide an instance when calling from other data access object.</param>
/// <exception cref="ArgumentNullException">
/// If <paramref name="deviceProfile"/> is not a <c>DeviceProfileEntity</c>.
/// </exception>
/// <exception cref="UtnEmallDataAccessException">
/// If an DbException occurs in the try block while accessing the database.
/// </exception>
public void Save(DeviceProfileEntity deviceProfile, Dictionary <string, IEntity> scope)
{
if (deviceProfile == null)
{
throw new ArgumentException("The argument can't be null");
}
// Create a unique key to identify the object in the internal scope
string scopeKey = deviceProfile.Id.ToString(NumberFormatInfo.InvariantInfo) + "DeviceProfile";
if (scope != null)
{
// If it's on the scope return it, don't save again
if (scope.ContainsKey(scopeKey))
{
return;
}
}
else
{
// Create a new scope if it's not provided
scope = new Dictionary <string, IEntity>();
}
try
{
// Open a DbConnection and a new transaction if it isn't on a higher level one
if (!isGlobalTransaction)
{
dbConnection = dataAccess.GetNewConnection();
dbConnection.Open();
dbTransaction = dbConnection.BeginTransaction();
}
string commandName = "";
bool isUpdate = false;
// Check if it is an insert or update command
if (deviceProfile.IsNew || !DataAccessConnection.ExistsEntity(deviceProfile.Id, "DeviceProfile", "idDeviceProfile", dbConnection, dbTransaction))
{
commandName = "SaveDeviceProfile";
}
else
{
isUpdate = true;
commandName = "UpdateDeviceProfile";
}
// Create a db command
IDbCommand sqlCommand = dataAccess.GetNewCommand(commandName, dbConnection, dbTransaction);
sqlCommand.CommandType = CommandType.StoredProcedure;
// Add parameters values to current command
IDbDataParameter parameter;
if (isUpdate)
{
parameter = dataAccess.GetNewDataParameter("@idDeviceProfile", DbType.Int32);
parameter.Value = deviceProfile.Id;
sqlCommand.Parameters.Add(parameter);
}
FillSaveParameters(deviceProfile, sqlCommand);
// Execute the command
if (isUpdate)
{
sqlCommand.ExecuteNonQuery();
}
else
{
IDbDataParameter parameterIdOutput = dataAccess.GetNewDataParameter("@idDeviceProfile", DbType.Int32);
parameterIdOutput.Direction = ParameterDirection.ReturnValue;
sqlCommand.Parameters.Add(parameterIdOutput);
sqlCommand.ExecuteNonQuery();
deviceProfile.Id = Convert.ToInt32(parameterIdOutput.Value, NumberFormatInfo.InvariantInfo);
}
scopeKey = deviceProfile.Id.ToString(NumberFormatInfo.InvariantInfo) + "DeviceProfile";
// Add entity to current internal scope
scope.Add(scopeKey, deviceProfile);
// Save collections of related objects to current entity
// Save objects related to current entity
// Update
// Close transaction if initiated by me
if (!isGlobalTransaction)
{
dbTransaction.Commit();
}
// Update new and changed flags
deviceProfile.IsNew = false;
deviceProfile.Changed = false;
}
catch (DbException dbException)
{
// Rollback transaction
if (!isGlobalTransaction)
{
dbTransaction.Rollback();
}
// Rethrow as custom exception
throw new UtnEmallDataAccessException(dbException.Message, dbException);
}
finally
{
// Close connection if initiated by me
if (!isGlobalTransaction)
{
dbConnection.Close();
dbConnection = null;
dbTransaction = null;
}
}
}
/// <summary>
/// Updates the database to reflect the current state of the list.
/// </summary>
/// <param name="collectionDataAccess">the IDataAccess of the relation</param>
/// <param name="parent">the parent of the object</param>
/// <param name="collection">a collection of items</param>
/// <param name="isNewParent">if the parent is a new object</param>
/// <param name="scope">internal data structure to aviod problems with circular referencies on entities</param>
/// <exception cref="UtnEmallDataAccessException">
/// If an DbException occurs in the try block while accessing the database.
/// </exception>
private void SaveDeviceProfileCollection(DeviceProfileDataAccess collectionDataAccess, CustomerEntity parent, Collection <DeviceProfileEntity> collection, bool isNewParent, Dictionary <string, IEntity> scope)
{
if (collection == null)
{
return;
}
// Set connection objects on collection data access
collectionDataAccess.SetConnectionObjects(dbConnection, dbTransaction);
// Set the child/parent relation
for (int i = 0; i < collection.Count; i++)
{
bool changed = collection[i].Changed;
collection[i].Customer = parent;
collection[i].Changed = changed;
}
// If the parent is new save all childs, else check diferencies with db
if (isNewParent)
{
for (int i = 0; i < collection.Count; i++)
{
collectionDataAccess.Save(collection[i], scope);
}
}
else
{
// Check the childs that are not part of the parent any more
string idList = "0";
if (collection.Count > 0)
{
idList = "" + collection[0].Id;
}
for (int i = 1; i < collection.Count; i++)
{
idList += ", " + collection[i].Id;
}
// Returns the ids that doesn't exists in the current collection
string command = "SELECT idDeviceProfile FROM [DeviceProfile] WHERE idCustomer = @idCustomer AND idDeviceProfile NOT IN (" + idList + ")";
SqlCeCommand sqlCommand = dataAccess.GetNewCommand(command, dbConnection, dbTransaction);
SqlCeParameter sqlParameterId = dataAccess.GetNewDataParameter("@idCustomer", DbType.Int32);
sqlParameterId.Value = parent.Id;
sqlCommand.Parameters.Add(sqlParameterId);
IDataReader reader = sqlCommand.ExecuteReader();
Collection <DeviceProfileEntity> objectsToDelete = new Collection <DeviceProfileEntity>();
// Insert Ids on a list
List <int> listId = new List <int>();
while (reader.Read())
{
listId.Add(reader.GetInt32(0));
}
reader.Close();
// Load items to be removed
foreach (int id in listId)
{
DeviceProfileEntity entityToDelete = collectionDataAccess.Load(id, scope);
objectsToDelete.Add(entityToDelete);
}
// Have to do this because the reader must be closed before
// deletion of entities
for (int i = 0; i < objectsToDelete.Count; i++)
{
collectionDataAccess.Delete(objectsToDelete[i], scope);
}
System.DateTime timestamp;
// Check all the properties of the collection items
// to see if they have changed (timestamp)
for (int i = 0; i < collection.Count; i++)
{
DeviceProfileEntity item = collection[i];
if (!item.Changed && !item.IsNew)
{
// Create the command
string sql = "SELECT timestamp FROM [DeviceProfile] WHERE idDeviceProfile = @idDeviceProfile";
SqlCeCommand sqlCommandTimestamp = dataAccess.GetNewCommand(sql, dbConnection, dbTransaction);
// Set the command's parameters values
SqlCeParameter sqlParameterIdPreference = dataAccess.GetNewDataParameter("@idDeviceProfile", DbType.Int32);
sqlParameterIdPreference.Value = item.Id;
sqlCommandTimestamp.Parameters.Add(sqlParameterIdPreference);
timestamp = ((System.DateTime)sqlCommandTimestamp.ExecuteScalar());
if (item.Timestamp != timestamp)
{
item.Changed = true;
}
}
// Save the item if it changed or is new
if (item.Changed || item.IsNew)
{
collectionDataAccess.Save(item);
}
}
}
}
