/*
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.8)
- * Copyright (C) 2012 J Procter, AM Waterhouse, LM Lui, J Engelhardt, G Barton, M Clamp, S Searle
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
*
* This file is part of Jalview.
*
* Jalview is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
*
* Jalview is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License along with Jalview. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
*/
package jalview.datamodel;
int getWidth();
+ /**
+ *
+ * @return true if getSeqrep doesn't return null
+ */
+ boolean hasSeqrep();
+
+ /**
+ * get the reference or representative sequence within this collection
+ *
+ * @return null or the current reference sequence
+ */
+ SequenceI getSeqrep();
+
+ /**
+ * set the reference or representative sequence for this collection. Reference
+ * is assumed to be present within the collection.
+ *
+ * @return
+ */
+ void setSeqrep(SequenceI refseq);
+
+ /**
+ * @return the first column included in this collection. Runs from 0<=i<N_cols
+ */
+ int getStartRes();
+
+ /**
+ *
+ * @return the last column in this collection. Runs from 0<=i<N_cols
+ */
+ int getEndRes();
+
+ /**
+ * Answers true if sequence data is nucleotide (according to some heuristic)
+ *
+ * @return
+ */
+ boolean isNucleotide();
}