public virtual bool Set(INamedCollection <T> collection)
{
if (collection == null)
{
throw new CustomArgumentException("Невозможно установить пустую коллекцию!");
}
var result = false;
// обновляем элементы из новой коллекции
foreach (var item in collection)
{
result = this.Set(item) || result;
}
// удаляем лишние элементы из текущей коллекции
for (int i = this.Count - 1; i >= 0; i--)
{
var current = this[i];
var exist = collection.Get(current.Name);
if (exist == null)
{
this.Remove(current);
result = true;
}
}
return(result);
}
static DataEnvironment()
{
_accessors = DataAccessProvider.Instance;
_providers = DataProviderFactory.Instance;
_populators = DataPopulatorProviderFactory.Instance;
_drivers = new NamedCollection <IDataDriver>(p => p.Name, StringComparer.OrdinalIgnoreCase);
_filters = new DataAccessFilterCollection();
}
public MetadataFile(string filePath, string name)
{
if (name != null)
{
_name = name.Trim();
}
_filePath = filePath;
_entities = new NamedCollection <IDataEntity>(p => p.Name);
_commands = new NamedCollection <IDataCommand>(p => p.Name);
}
protected DataProviderFactory()
{
_providers = new NamedCollection <IDataProvider>(p => p.Name, StringComparer.OrdinalIgnoreCase);
}