datasetSequence derive method and some checks

[jalview.git] / src / jalview / datamodel / SequenceI.java

diff --git a/src/jalview/datamodel/SequenceI.java b/src/jalview/datamodel/SequenceI.java
index bb5e799..c5fdbda 100755 (executable)
--- a/src/jalview/datamodel/SequenceI.java
+++ b/src/jalview/datamodel/SequenceI.java
@@ -264,5 +264,11 @@ public interface SequenceI
     public void addHiddenSequence(SequenceI seq);
 
     public void showHiddenSequence(SequenceI seq);
+    
+    /**
+     * Derive a sequence (using this one's dataset or as the dataset)
+     * @return duplicate sequence with valid dataset sequence
+     */
+    public SequenceI deriveSequence();
 
 }