Ignoring The Order

Ignoring the Order

Sometimes lists, arrays, and dictionaries are equal to each other but they are in a different order.  The Config.IgnoreCollectionOrder property can be used to compare lists that are not only out of order but also of different lengths.  There is a huge performance decrease when Ignoring the Collection Order.  This may be okay if you are comparing a few hundred  objects at a time.  By default all the simple type properties are used as a key for an object.  To minimize the perforance impact, define a Config.CollectionMatchingSpec.  This defines the key for the object. 

Example:

CompareLogic logic = new CompareLogic();
logic.Config.IgnoreCollectionOrder = true;

var spec = new Dictionary<Type, IEnumerable<string>>();
spec.Add(typeof(Customer), new string[] { "CustomerId" });
logic.Config.CollectionMatchingSpec = spec;