=== modified file 'dhis-2/dhis-api/src/main/java/org/hisp/dhis/dataelement/DataElementCategoryOption.java'
--- dhis-2/dhis-api/src/main/java/org/hisp/dhis/dataelement/DataElementCategoryOption.java	2014-03-18 08:10:10 +0000
+++ dhis-2/dhis-api/src/main/java/org/hisp/dhis/dataelement/DataElementCategoryOption.java	2014-03-31 13:30:38 +0000
@@ -88,6 +88,28 @@
         return name.equals( DEFAULT_NAME );
     }
 
+    /**
+     * Returns a set of category option group sets which are associated with the
+     * category option groups of this category option.
+     */
+    public Set<CategoryOptionGroupSet> getGroupSets()
+    {
+        Set<CategoryOptionGroupSet> groupSets = new HashSet<CategoryOptionGroupSet>();
+        
+        if ( groups != null )
+        {
+            for ( CategoryOptionGroup group : groups )
+            {
+                if ( group.getGroupSet() != null )
+                {
+                    groupSets.add( group.getGroupSet() );
+                }
+            }
+        }
+        
+        return groupSets;
+    }
+    
     // -------------------------------------------------------------------------
     // Logic
     // -------------------------------------------------------------------------

=== modified file 'dhis-2/dhis-api/src/main/java/org/hisp/dhis/dataset/DataSet.java'
--- dhis-2/dhis-api/src/main/java/org/hisp/dhis/dataset/DataSet.java	2014-03-18 08:10:10 +0000
+++ dhis-2/dhis-api/src/main/java/org/hisp/dhis/dataset/DataSet.java	2014-03-31 13:30:38 +0000
@@ -46,8 +46,11 @@
 import org.hisp.dhis.common.view.DetailedView;
 import org.hisp.dhis.common.view.ExportView;
 import org.hisp.dhis.common.view.WithoutOrganisationUnitsView;
+import org.hisp.dhis.dataelement.CategoryOptionGroupSet;
 import org.hisp.dhis.dataelement.DataElement;
+import org.hisp.dhis.dataelement.DataElementCategory;
 import org.hisp.dhis.dataelement.DataElementCategoryCombo;
+import org.hisp.dhis.dataelement.DataElementCategoryOption;
 import org.hisp.dhis.dataelement.DataElementOperand;
 import org.hisp.dhis.dataentryform.DataEntryForm;
 import org.hisp.dhis.indicator.Indicator;
@@ -463,6 +466,28 @@
         return this;
     }
 
+    /**
+     * Returns a set of category option group sets which are linked to this data
+     * set through its category combination.
+     */
+    public Set<CategoryOptionGroupSet> getCategoryOptionGroupSets()
+    {
+        Set<CategoryOptionGroupSet> groupSets = new HashSet<CategoryOptionGroupSet>();
+        
+        if ( categoryCombo != null )
+        {
+            for ( DataElementCategory category : categoryCombo.getCategories() )
+            {
+                for ( DataElementCategoryOption categoryOption : category.getCategoryOptions() )
+                {
+                    groupSets.addAll( categoryOption.getGroupSets() );
+                }
+            }
+        }
+        
+        return groupSets;
+    }
+
     // -------------------------------------------------------------------------
     // Getters and setters
     // -------------------------------------------------------------------------