+
+ /**
+ * Change any mapping to the given sequence to be to its dataset sequence
+ * instead. For use when mappings are created before their referenced
+ * sequences are instantiated, for example when parsing GFF data.
+ *
+ * @param seq
+ */
+ public void updateToDataset(SequenceI seq)
+ {
+ if (seq == null || seq.getDatasetSequence() == null)
+ {
+ return;
+ }
+ SequenceI ds = seq.getDatasetSequence();
+
+ for (SequenceToSequenceMapping ssm : mappings)
+ /*
+ * 'from' sequences
+ */
+ {
+ if (ssm.fromSeq == seq)
+ {
+ ssm.fromSeq = ds;
+ }
+
+ /*
+ * 'to' sequences
+ */
+ if (ssm.mapping.to == seq)
+ {
+ ssm.mapping.to = ds;
+ }
+ }
+ }
+
+ /**
+ * Answers true if this object contains no mappings
+ *
+ * @return
+ */
+ public boolean isEmpty()
+ {
+ return mappings.isEmpty();
+ }
+
+ /**
+ * Method for debug / inspection purposes only, may change in future
+ */
+ @Override
+ public String toString()
+ {
+ return mappings == null ? "null" : mappings.toString();
+ }
+
+ /**
+ * Returns the first mapping found that is from 'fromSeq' to 'toSeq', or null
+ * if none found
+ *
+ * @param fromSeq
+ * aligned or dataset sequence
+ * @param toSeq
+ * aligned or dataset sequence
+ * @return
+ */
+ public Mapping getMappingBetween(SequenceI fromSeq, SequenceI toSeq)
+ {
+ for (SequenceToSequenceMapping mapping : mappings)
+ {
+ SequenceI from = mapping.fromSeq;
+ SequenceI to = mapping.mapping.to;
+ if ((from == fromSeq || from == fromSeq.getDatasetSequence())
+ && (to == toSeq || to == toSeq.getDatasetSequence()))
+ {
+ return mapping.mapping;
+ }
+ }
+ return null;
+ }