/// <summary>
/// Makes changes to an existing entity in the persistent storage.
/// </summary>
/// <typeparam name="TEntity">Type of the stored entity.</typeparam>
/// <param name="id">Identifier of the entity that should be changed.</param>
/// <param name="changes">Changes to apply to the entity.</param>
/// <returns>A task that will complete when the changes have been applied.</returns>
public async Task Change <TEntity>(int id, Action <TEntity> changes) where TEntity : EntityBase
{
var entity = await _db.Set <TEntity>().SingleAsync(x => x.Id == id);
changes(entity);
}
/// <summary>
/// Gets a queryable to access entities of the specified type.
/// </summary>
/// <typeparam name="T">Type of the entities to query.</typeparam>
/// <returns>A queryable to access entities of the specified type.</returns>
public IQueryable <T> Get <T>() where T : EntityBase
{
return(_db.Set <T>());
}
