X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2FSequenceCollectionI.java;h=e2bb5a64939182245a646779a1e3594f49fdf727;hb=71d8702f4f5f12c9c2f1dcb119091704dc738522;hp=aca79c83f37394812b583491465308e931ac0132;hpb=4d7f98a6dd54d9863ba449ec79dcd95d25ed863d;p=jalview.git

diff --git a/src/jalview/datamodel/SequenceCollectionI.java b/src/jalview/datamodel/SequenceCollectionI.java
index aca79c8..e2bb5a6 100644
--- a/src/jalview/datamodel/SequenceCollectionI.java
+++ b/src/jalview/datamodel/SequenceCollectionI.java
@@ -25,8 +25,21 @@ import java.util.Map;
 
 public interface SequenceCollectionI
 {
+  /**
+   * 
+   * @return (visible) sequences in this collection. This may be a direct
+   *         reference to the collection so not thread safe
+   */
   List<SequenceI> getSequences();
 
+  /**
+   * FIXME: AlignmentI.getSequences(hiddenReps) doesn't actually obey this
+   * contract!
+   * 
+   * @param hiddenReps
+   * @return the full set of sequences in this collection, including any
+   *         sequences represented by sequences in the collection.
+   */
   List<SequenceI> getSequences(
           Map<SequenceI, SequenceCollectionI> hiddenReps);
 
@@ -64,4 +77,10 @@ public interface SequenceCollectionI
    */
   int getEndRes();
 
+  /**
+   * Answers true if sequence data is nucleotide (according to some heuristic)
+   * 
+   * @return
+   */
+  boolean isNucleotide();
 }