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.");
}