X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2FSequenceI.java;h=46669ae037829c70f142e37799cd8c3a9e3e9db2;hb=393316810f2e54f069863145fb35102c6e889d50;hp=fc67efd8e49e4db4f8bf1b94cc2835f0757233ae;hpb=b948e764c92b0954100f216927114b2c9720b76c;p=jalview.git

diff --git a/src/jalview/datamodel/SequenceI.java b/src/jalview/datamodel/SequenceI.java
index fc67efd..46669ae 100755
--- a/src/jalview/datamodel/SequenceI.java
+++ b/src/jalview/datamodel/SequenceI.java
@@ -315,10 +315,22 @@ public interface SequenceI
 
   public SequenceI getDatasetSequence();
 
+  /**
+   * Returns a new array containing this sequence's annotations, or null.
+   */
   public AlignmentAnnotation[] getAnnotation();
 
+  /**
+   * Returns true if this sequence has the given annotation (by object
+   * identity).
+   */
   public boolean hasAnnotation(AlignmentAnnotation ann);
 
+  /**
+   * Add the given annotation, if not already added, and set its sequence ref to
+   * be this sequence. Does nothing if this sequence's annotations already
+   * include this annotation (by identical object reference).
+   */
   public void addAlignmentAnnotation(AlignmentAnnotation annotation);
 
   public void removeAlignmentAnnotation(AlignmentAnnotation annotation);
@@ -347,12 +359,11 @@ public interface SequenceI
   public AlignmentAnnotation[] getAnnotation(String label);
 
   /**
-   * Return a list of any annotations which match the given calcId (source) and
-   * label (type). Null values do not match.
+   * Returns a (possibly empty) list of any annotations that match on given
+   * calcId (source) and label (type). Null values do not match.
    * 
    * @param calcId
    * @param label
-   * @return
    */
   public List<AlignmentAnnotation> getAlignmentAnnotations(String calcId,
           String label);