X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fanalysis%2Fscoremodels%2FPIDModel.java;h=721ba456f26198755bd8021ebe81d7a4388ba99e;hb=c70905eb5589c7622a2c7cf8a008ba0863b5c010;hp=985918bdfb3e3dd4af56b82bd5f5b81f1583ea46;hpb=e5c87d2dd1d3ebceea890ef92c8a6374c62d3c83;p=jalview.git

diff --git a/src/jalview/analysis/scoremodels/PIDModel.java b/src/jalview/analysis/scoremodels/PIDModel.java
index 985918b..721ba45 100644
--- a/src/jalview/analysis/scoremodels/PIDModel.java
+++ b/src/jalview/analysis/scoremodels/PIDModel.java
@@ -1,6 +1,8 @@
 package jalview.analysis.scoremodels;
 
+import jalview.api.AlignmentViewPanel;
 import jalview.api.analysis.PairwiseScoreModelI;
+import jalview.api.analysis.ScoreModelI;
 import jalview.api.analysis.SimilarityParamsI;
 import jalview.datamodel.AlignmentView;
 import jalview.math.Matrix;
@@ -9,7 +11,8 @@ import jalview.util.Comparison;
 
 /**
  * A class to provide sequence pairwise similarity based on residue identity.
- * Instances of this class are immutable and thread-safe.
+ * Instances of this class are immutable and thread-safe, so the same object is
+ * returned from calls to getInstance().
  */
 public class PIDModel extends SimilarityScoreModel implements
         PairwiseScoreModelI
@@ -231,4 +234,10 @@ public class PIDModel extends SimilarityScoreModel implements
 
     return divideBy == 0 ? 0D : 100D * total / divideBy;
   }
+
+  @Override
+  public ScoreModelI getInstance(AlignmentViewPanel avp)
+  {
+    return this;
+  }
 }