/// <summary>
/// Returns an IQueryable of items of type T.
/// </summary>
/// <param name="predicate">A predicate to limit the items being returned.</param>
/// <param name="includeProperties">An expression of additional properties to eager load. For example: x => x.SomeCollection, x => x.SomeOtherCollection.</param>
/// <returns>An IEnumerable of the requested type T.</returns>
public IEnumerable <T> FindAll(Expression <Func <T, bool> > predicate, params Expression <Func <T, object> >[] includeProperties)
{
IQueryable <T> items = DataContextFactory.GetDataContext().Set <T>();
if (includeProperties != null)
{
foreach (var includeProperty in includeProperties)
{
items = items.Include(includeProperty);
}
}
return(items.Where(predicate));
}
/// <summary>
/// Returns an IQueryable of all items of type T.
/// </summary>
/// <param name="includeProperties">An expression of additional properties to eager load. For example: x => x.SomeCollection, x => x.SomeOtherCollection.</param>
/// <returns>An IQueryable of the requested type T.</returns>
public virtual IQueryable <T> FindAll(params Expression <Func <T, object> >[] includeProperties)
{
IQueryable <T> items = DataContextFactory.GetDataContext().Set <T>();
if (includeProperties != null)
{
foreach (var includeProperty in includeProperties)
{
items = items.Include(includeProperty);
}
}
return(items);
}
/// <summary>
/// Undoes changes to the current DbContext by removing it from the storage container.
/// </summary>
public void Undo()
{
DataContextFactory.Clear();
}
/// <summary>
/// Saves the changes to the underlying DbContext.
/// </summary>
public void Dispose()
{
DataContextFactory.GetDataContext().SaveChanges();
}
/// <summary>
/// Gets a list of all the people whose last name exactly matches the search string.
/// </summary>
/// <param name="lastName">The last name that the system should search for.</param>
/// <returns>An IEnumerable of Person with the matching people.</returns>
public IEnumerable <Person> FindByLastName(string lastName)
{
return(DataContextFactory.GetDataContext().Set <Person>().Where(x => x.LastName == lastName));
}
/// <summary>
/// Removes an entity from the underlying DbContext.
/// </summary>
/// <param name="entity">The entity that should be removed.</param>
public virtual void Remove(T entity)
{
DataContextFactory.GetDataContext().Set <T>().Remove(entity);
}
/// <summary>
/// Adds an entity to the underlying DbContext.
/// </summary>
/// <param name="entity">The entity that should be added.</param>
public virtual void Add(T entity)
{
DataContextFactory.GetDataContext().Set <T>().Add(entity);
}