public bool ModificationsMatch(CrosslinkItem other)
{
if (PeptideLibraryKeys.Count != other.PeptideLibraryKeys.Count)
{
return(false);
}
if (Crosslinks.Count != other.Crosslinks.Count)
{
return(false);
}
for (int i = 0; i < PeptideLibraryKeys.Count; i++)
{
if (!KeysMatch(PeptideLibraryKeys[i], other.PeptideLibraryKeys[i]))
{
return(false);
}
}
for (int i = 0; i < Crosslinks.Count; i++)
{
if (!LibKeyIndex.ModificationsMatch(Crosslinks[i].Name, other.Crosslinks[i].Name))
{
return(false);
}
if (!Equals(Crosslinks[i].Positions, other.Crosslinks[i].Positions))
{
return(false);
}
}
return(true);
}
/// <summary>
/// Return a set of library keys that are the most general of the ones found in this and that,
/// and which covers all of the keys.
/// <see cref="MostGeneralPeptideKey" />
/// </summary>
public IList <LibraryKey> MergeKeys(LibKeyIndex that)
{
var keysByUnmodifiedSequence = this.Select(item => item.LibraryKey)
.OfType <PeptideLibraryKey>()
.ToLookup(key => key.UnmodifiedSequence)
.ToDictionary(grouping => grouping.Key, grouping => grouping.ToArray());
var result = new List <LibraryKey>();
var nonPeptideKeySet = new HashSet <LibraryKey>();
foreach (var thatItem in that)
{
var thatPeptideKey = thatItem.LibraryKey as PeptideLibraryKey;
if (thatPeptideKey == null)
{
if (nonPeptideKeySet.Add(thatItem.LibraryKey))
{
result.Add(thatItem.LibraryKey); // First time we've seen it, add to list
}
continue;
}
PeptideLibraryKey[] thisKeysWithUnmodSeq;
if (!keysByUnmodifiedSequence.TryGetValue(thatPeptideKey.UnmodifiedSequence, out thisKeysWithUnmodSeq))
{
result.Add(thatPeptideKey);
continue;
}
keysByUnmodifiedSequence[thatPeptideKey.UnmodifiedSequence] =
MergePeptideLibraryKey(thisKeysWithUnmodSeq, thatPeptideKey).ToArray();
}
result.AddRange(this.Select(item => item.LibraryKey)
.Where(key => !(key is PeptideLibraryKey) && !nonPeptideKeySet.Contains(key)));
result.AddRange(keysByUnmodifiedSequence.SelectMany(entry => entry.Value));
return(result);
}
public LibKeyMap(ImmutableList <TItem> items, IEnumerable <LibraryKey> keys)
{
_allItems = items;
_index = new LibKeyIndex(keys);
}
