X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2FSequenceI.java;fp=src%2Fjalview%2Fdatamodel%2FSequenceI.java;h=92f797ff7757f726e7681a3f3a18ce339fe52809;hb=d5bcc3830eab04e6db816e1c2ad8fce1dc189612;hp=aec68ab012a8124176ca7da4fa003bef2dadbc0c;hpb=3ebdd4e28382e38a181aae1eed71549f603f9025;p=jalview.git

diff --git a/src/jalview/datamodel/SequenceI.java b/src/jalview/datamodel/SequenceI.java
index aec68ab..92f797f 100755
--- a/src/jalview/datamodel/SequenceI.java
+++ b/src/jalview/datamodel/SequenceI.java
@@ -337,7 +337,14 @@ public interface SequenceI extends ASequenceI
    */
   public void addDBRef(DBRefEntry entry);
 
-  public void addSequenceFeature(SequenceFeature sf);
+  /**
+   * Adds the given sequence feature and returns true, or returns false if it is
+   * already present on the sequence
+   * 
+   * @param sf
+   * @return
+   */
+  public boolean addSequenceFeature(SequenceFeature sf);
 
   public void deleteFeature(SequenceFeature sf);