public virtual Differences VisitQueryUpdate(QueryUpdate update1, QueryUpdate update2){ Differences differences = new Differences(update1, update2); if (update1 == null || update2 == null){ if (update1 != update2) differences.NumberOfDifferences++; else differences.NumberOfSimilarities++; return differences; } QueryUpdate changes = (QueryUpdate)update2.Clone(); QueryUpdate deletions = (QueryUpdate)update2.Clone(); QueryUpdate insertions = (QueryUpdate)update2.Clone(); // update1.Context; // update1.Source; // update1.UpdateList; if (differences.NumberOfDifferences == 0){ differences.Changes = null; differences.Deletions = null; differences.Insertions = null; }else{ differences.Changes = changes; differences.Deletions = deletions; differences.Insertions = insertions; } return differences; }
public override Node VisitQueryUpdate(QueryUpdate update){ if (update == null) return null; return base.VisitQueryUpdate((QueryUpdate)update.Clone()); }