/// <summary>
/// Loads instances of <typeparamref name="TModel"/>.
/// </summary>
/// <typeparam name="TModel"></typeparam>
/// <param name="query"></param>
/// <param name="depth"></param>
/// <param name="provider"></param>
/// <param name="transactionContext"></param>
/// <returns></returns>
public static DataModelCollection <TModel> LoadMany <TModel>(DataModelQuery <TModel> query, int?depth,
DataProviderBase provider,
DbTransaction transactionContext)
where TModel : DataModel
{
DataModelCollection <TModel> ret = depth.HasValue
? provider.DeepLoadModels(query, depth, transactionContext)
: provider.DeepLoadModels(query, transactionContext);
return(ret);
}
/// <summary>
/// Loads an instance of <see cref="DataModel{TEntity}"/>.
/// </summary>
/// <param name="query"></param>
/// <param name="deep"></param>
/// <param name="provider"></param>
/// <param name="transactionContext"></param>
/// <returns></returns>
public static DataModelCollection <DataModel <TEntity> > LoadMany(DataModelQuery <DataModel <TEntity> > query, bool deep,
DataProviderBase provider, DbTransaction transactionContext)
{
if (provider == null)
{
provider = ProviderDefaults.AppProvider;
}
if (deep)
{
return(LoadMany(query, null, provider, transactionContext));
}
var col = provider.LoadModels(query, transactionContext);
var ret = new DataModelCollection <DataModel <TEntity> >(col);
return(ret);
}
/// <summary>
/// Loads an instance of <see cref="DataModel{TEntity}"/>.
/// </summary>
/// <param name="query"></param>
/// <param name="depth"></param>
/// <param name="provider"></param>
/// <param name="transactionContext"></param>
/// <returns></returns>
public static DataModelCollection <DataModel <TEntity> > LoadMany(DataModelQuery <DataModel <TEntity> > query, int?depth,
DataProviderBase provider, DbTransaction transactionContext)
{
DataModelCollection <DataModel <TEntity> > col;
if (depth.HasValue)
{
col = provider.DeepLoadModels(query, depth, transactionContext);
}
else
{
col = provider.DeepLoadModels(query, transactionContext);
}
var ret = new DataModelCollection <DataModel <TEntity> >(col);
return(ret);
}
/// <summary>
/// Loads instances of <typeparamref name="TModel"/>.
/// </summary>
/// <typeparam name="TModel"></typeparam>
/// <param name="query"></param>
/// <param name="deep"></param>
/// <param name="provider"></param>
/// <param name="transactionContext"></param>
/// <returns></returns>
public static DataModelCollection <TModel> LoadMany <TModel>(DataModelQuery <TModel> query, bool deep,
DataProviderBase provider,
DbTransaction transactionContext)
where TModel : DataModel
{
if (provider == null)
{
provider = ProviderDefaults.AppProvider;
}
if (deep)
{
return(LoadMany(query, null, provider, transactionContext));
}
DataModelCollection <TModel> ret = provider.LoadModels(query, transactionContext);
return(ret);
}
/// <summary>
/// Iterates through the items in the collection
/// and saves their changes, the context of the
/// database <paramref name="transactionContext"/>.
/// If parameter <paramref name="deep"/> is true, the entire
/// object graph is saved where the properties
/// of each item is itself a <see cref="DataModel"/>.
/// </summary>
/// <param name="deep"></param>
/// <param name="transactionContext"></param>
public void Save(bool deep, DbTransaction transactionContext)
{
if (DataProvider == null)
{
throw new InvalidOperationException("Repository has not been assigned.");
}
if (deep)
{
DataProvider.DeepSaveModels(this, transactionContext);
}
else
{
var col = new DataModelCollection <TModel>();
foreach (var e in this)
{
e.SynchronizeFields(SyncTo.FieldMappedData);
if (e.IsNew || e.IsDirty || e.MarkDeleted)
{
col.Add(e);
}
}
DataProvider.SaveModels(col, transactionContext);
}
}
