X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fjalview%2Fdatamodel%2FAlignment.java;h=0aa8424dafb4070c61dcd0bcab487f4c86c59209;hb=d6acbafc10c767f3bf58092258ca6ed0fd4c8dc2;hp=ea04361d94d261f98f9109520f21b8e69a77d788;hpb=4548727494c3bf521eeec90a07e3bc6c0bdfb64e;p=jalview.git

diff --git a/src/jalview/datamodel/Alignment.java b/src/jalview/datamodel/Alignment.java
index ea04361..0aa8424 100755
--- a/src/jalview/datamodel/Alignment.java
+++ b/src/jalview/datamodel/Alignment.java
@@ -23,6 +23,7 @@ package jalview.datamodel;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.BitSet;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.Enumeration;
 import java.util.HashMap;
@@ -2034,6 +2035,17 @@ public class Alignment implements AlignmentI, AutoCloseable
   }
 
   Map<Object, ContactMatrixI> contactmaps = new HashMap<>();
+
+  @Override
+  public Collection<ContactMatrixI> getContactMaps()
+  {
+    if (contactmaps != null && contactmaps.size() > 0)
+    {
+      return contactmaps.values();
+    }
+    return Collections.EMPTY_LIST;
+  }
+
   @Override
   public ContactListI getContactListFor(AlignmentAnnotation _aa, int column)
   {