public IRelationship CreateRelationship(IEnumerable <Guid> participants, IEnumerable <string> tags)
{
long hash = BaseRelationship.GenerateHash(participants);
if (this.m_Relationships.ContainsKey(hash))
{
List <IRelationship> relationships = this.m_Relationships[hash];
int matching = 0;
IRelationship returnRelationship = null;
foreach (IRelationship relationship in relationships)
{
int matches = relationship.Tags.Intersect(tags, StringComparer.OrdinalIgnoreCase).Count();
if (matches <= matching)
{
continue;
}
matching = matches;
returnRelationship = relationship;
}
if (returnRelationship is null == false)
{
return(returnRelationship);
}
}
if (this.m_RelationshipTypes.Any(t => tags.Intersect(t.Value.Tags, StringComparer.OrdinalIgnoreCase).Any()))
{
int matching = 0;
IRelationship found = null;
foreach (IRelationship relationship in this.m_RelationshipTypes.Values)
{
int matches = relationship.Tags.Intersect(tags, StringComparer.OrdinalIgnoreCase).Count();
if (matches <= matching)
{
continue;
}
matching = matches;
found = relationship;
}
if (found is null)
{
return(null);
}
IRelationship newRelationship = found.Create(participants);
//newRelationship.ModifyValueOfAllParticipants(0);
this.m_Relationships.Add(newRelationship.GenerateHashFromInstance(), newRelationship);
return(newRelationship);
}
throw new InvalidOperationException("Relationship type " + tags.Print() + " not found.");
}
public IEnumerable <IRelationship> Get(
IEnumerable <Guid> participants,
IEnumerable <string> tags = null,
bool createNewIfNone = false)
{
long hash = BaseRelationship.GenerateHash(participants);
List <IRelationship> relationships = new List <IRelationship>();
foreach (Tuple <long, IRelationship> pair in this.m_Relationships)
{
if (pair.Item1 != hash)
{
continue;
}
if (tags.IsNullOrEmpty() == false && tags.Intersect(pair.Item2.Tags).Any())
{
relationships.Add(pair.Item2);
}
else if (tags.IsNullOrEmpty())
{
relationships.Add(pair.Item2);
}
}
if (relationships.Count == 0 && createNewIfNone)
{
List <string> newTags = new List <string>(tags);
if (newTags.IsNullOrEmpty())
{
newTags.Add("friendship");
}
relationships.Add(this.CreateRelationship(participants, newTags));
}
return(relationships.ToArray());
}