X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fjalview%2Fdatamodel%2FSequenceI.java;h=92f797ff7757f726e7681a3f3a18ce339fe52809;hb=460c037bef9ec113c2a46010c443d85e73347592;hp=49ddf8660c31e01fe3295e12c8972f510d4e57df;hpb=bc02849268c0a7ffda386ec00658b3411029b5e5;p=jalview.git

diff --git a/src/jalview/datamodel/SequenceI.java b/src/jalview/datamodel/SequenceI.java
index 49ddf86..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);
 
@@ -459,7 +466,6 @@ public interface SequenceI extends ASequenceI
    */
   public PDBEntry getPDBEntry(String pdbId);
 
-
   /**
    * Get all primary database/accessions for this sequence's data. These
    * DBRefEntry are expected to resolve to a valid record in the associated