X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2FSequence.java;h=0652fb5fa0951b268c3a6a5720c2dc6afdf8bc97;hb=977eba6d0cdd5683a583d1ad39abf83e0c68d3ac;hp=68bf8f223592ca7f3f28decffc0e4196b825e35b;hpb=195c41c18f6a059b334d063312cd15de6a937ea5;p=jalview.git

diff --git a/src/jalview/datamodel/Sequence.java b/src/jalview/datamodel/Sequence.java
index 68bf8f2..0652fb5 100755
--- a/src/jalview/datamodel/Sequence.java
+++ b/src/jalview/datamodel/Sequence.java
@@ -514,16 +514,7 @@ public class Sequence implements SequenceI
     return reply;
   }
 
-  /**
-   * make a new Sequence object from start to end (including gaps) over this
-   * seqeunce
-   * 
-   * @param start
-   *          int
-   * @param end
-   *          int
-   * @return SequenceI
-   */
+  @Override
   public SequenceI getSubSequence(int start, int end)
   {
     if (start < 0)
@@ -623,14 +614,7 @@ public class Sequence implements SequenceI
     }
   }
 
-  /**
-   * Returns the sequence position for an alignment position
-   * 
-   * @param i
-   *          column index in alignment (from 1)
-   * 
-   * @return residue number for residue (left of and) nearest ith column
-   */
+  @Override
   public int findPosition(int i)
   {
     int j = 0;
@@ -895,22 +879,30 @@ public class Sequence implements SequenceI
     return datasetSequence;
   }
 
+  /**
+   * Returns a new array containing this sequence's annotations, or null.
+   */
   public AlignmentAnnotation[] getAnnotation()
   {
-    if (annotation == null)
-    {
-      return null;
-    }
-
-    AlignmentAnnotation[] ret = new AlignmentAnnotation[annotation.size()];
-    for (int r = 0; r < ret.length; r++)
-    {
-      ret[r] = annotation.elementAt(r);
-    }
+    return annotation == null ? null : annotation
+            .toArray(new AlignmentAnnotation[annotation.size()]);
+  }
 
-    return ret;
+  /**
+   * Returns true if this sequence has the given annotation (by object
+   * identity).
+   */
+  @Override
+  public boolean hasAnnotation(AlignmentAnnotation ann)
+  {
+    return annotation == null ? false : annotation.contains(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)
   {
     if (this.annotation == null)