public static TDocumentItem FindMatchByUrl <TDocumentItem>(this IEnumerable <TDocumentItem> source, string url)
where TDocumentItem : class, IDocumentItem
{
DocumentReference documentReference = DocumentReference.Create(url);
IIndexedHashSet <TDocumentItem> tDocumentItems = source as IIndexedHashSet <TDocumentItem>;
if (tDocumentItems != null)
{
return(tDocumentItems[documentReference.GetHashCode()]);
}
return(source.FirstOrDefault <TDocumentItem>((TDocumentItem d) => d.DocumentReference.GetHashCode() == documentReference.GetHashCode()));
}
public void EqualsShouldCheckTitleAndAuthor()
{
var left = new DocumentReference {
Title = "a", Author = "b"
};
var right = new DocumentReference {
Title = "a", Author = "b"
};
Assert.AreEqual(left, right);
Assert.IsTrue(left.Equals(right));
Assert.AreEqual(left.GetHashCode(), right.GetHashCode());
}
public override int GetHashCode()
{
return(_documentReference?.GetHashCode() ?? 0);
}