{
if (dataset != null)
{
+
// maintain dataset integrity
- if (snew.getDatasetSequence() != null)
- {
- getDataset().addSequence(snew.getDatasetSequence());
- }
- else
+ SequenceI dsseq = snew.getDatasetSequence();
+ if (dsseq == null)
{
// derive new sequence
SequenceI adding = snew.deriveSequence();
- getDataset().addSequence(adding.getDatasetSequence());
snew = adding;
+ dsseq = snew.getDatasetSequence();
}
+ if (getDataset().findIndex(dsseq) == -1)
+ {
+ getDataset().addSequence(dsseq);
+ }
+
}
if (sequences == null)
{