JAL-2416 JAL-2403 remove unused '*' row/column from score matrices
[jalview.git] / src / jalview / datamodel / SequenceI.java
index 49ddf86..92f797f 100755 (executable)
@@ -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