X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2FSequence.java;fp=src%2Fjalview%2Fdatamodel%2FSequence.java;h=b0faf21132bf9cdaf21ec9be246833e5cfd2f4d0;hb=d5bcc3830eab04e6db816e1c2ad8fce1dc189612;hp=c8b94cecf83e3d4710d2186fc8d0b4a551b03d4d;hpb=3ebdd4e28382e38a181aae1eed71549f603f9025;p=jalview.git

diff --git a/src/jalview/datamodel/Sequence.java b/src/jalview/datamodel/Sequence.java
index c8b94ce..b0faf21 100755
--- a/src/jalview/datamodel/Sequence.java
+++ b/src/jalview/datamodel/Sequence.java
@@ -314,12 +314,11 @@ public class Sequence extends ASequence implements SequenceI
   }
 
   @Override
-  public synchronized void addSequenceFeature(SequenceFeature sf)
+  public synchronized boolean addSequenceFeature(SequenceFeature sf)
   {
     if (sequenceFeatures == null && datasetSequence != null)
     {
-      datasetSequence.addSequenceFeature(sf);
-      return;
+      return datasetSequence.addSequenceFeature(sf);
     }
     if (sequenceFeatures == null)
     {
@@ -330,7 +329,7 @@ public class Sequence extends ASequence implements SequenceI
     {
       if (sequenceFeatures[i].equals(sf))
       {
-        return;
+        return false;
       }
     }
 
@@ -339,6 +338,7 @@ public class Sequence extends ASequence implements SequenceI
     temp[sequenceFeatures.length] = sf;
 
     sequenceFeatures = temp;
+    return true;
   }
 
   @Override