namespace Sai.Toolkit.Core.LandXMLData
{
	public abstract class ComparableStructure<T> : IComparableStructure<T>
		where T : class
	{
		public abstract bool DifferentDescendants(T item);

		public abstract bool DifferentItem(T item);

		public bool Equals(T item)
		{
			return !ReferenceEquals(item, null) && !DifferentItem(item) && !DifferentDescendants(item);
		}

		public override bool Equals(object obj)
		{
			return Equals(obj as T);
		}

		public override int GetHashCode()
		{
			return base.GetHashCode();
		}
	}
}