Entity Framework 4 Clone

Entity Framework 4 Clone

// http://www.codeproject.com/Tips/474296/Clone-an-Entity-in-Entity-Framework

// Static
public static T CopyEntity<T>(MyContext ctx, T entity, 
    bool copyKeys = false) where T : EntityObject
{
	T clone = ctx.CreateObject<T>();
	PropertyInfo[] pis = entity.GetType().GetProperties();
	
	foreach (PropertyInfo pi in pis)
	{
		EdmScalarPropertyAttribute[] attrs = (EdmScalarPropertyAttribute[])
                      pi.GetCustomAttributes(typeof(EdmScalarPropertyAttribute), false);
			
		foreach (EdmScalarPropertyAttribute attr in attrs)
		{
			if (!copyKeys && attr.EntityKeyProperty)
				continue;
				
			pi.SetValue(clone, pi.GetValue(entity, null), null);
		}
	}
	
	return clone;
}

// On Generic Repository
public TEntity CopyEntity(TEntity entity, bool copyKeys = false)
{
    var clone = this._context.CreateObject<TEntity>();
    var pis = entity.GetType().GetProperties();

    foreach (var pi in pis)
    {
        var attrs = (EdmScalarPropertyAttribute[])pi.GetCustomAttributes(typeof(EdmScalarPropertyAttribute), false);

        foreach (EdmScalarPropertyAttribute attr in attrs)
        {
            if (!copyKeys && attr.EntityKeyProperty)
                continue;

            pi.SetValue(clone, pi.GetValue(entity, null), null);
        }
    }

    return clone;
}