Index: lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/learningdesign/Activity.hbm.xml
===================================================================
diff -u -rc7798d2b81a0595194a5e905ef6c33e372ad8007 -r033cb28ca5f95395e45a337c3c3ddc70ab6edd49
--- lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/learningdesign/Activity.hbm.xml	(.../Activity.hbm.xml)	(revision c7798d2b81a0595194a5e905ef6c33e372ad8007)
+++ lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/learningdesign/Activity.hbm.xml	(.../Activity.hbm.xml)	(revision 033cb28ca5f95395e45a337c3c3ddc70ab6edd49)
@@ -14,7 +14,9 @@
 <class name="org.lamsfoundation.lams.learningdesign.Activity" table="lams_learning_activity" discriminator-value="0">
     <meta attribute="class-description" inherit="false">@hibernate.class table="lams_learning_activity"</meta>
     <meta attribute="implement-equals" inherit="false">true</meta>
-
+	
+	<cache usage="transactional"/>
+    
     <id name="activityId" type="java.lang.Long" column="activity_id">
         <meta attribute="field-description">@hibernate.id generator-class="native" type="java.lang.Long" column="activity_id"</meta>
         <generator class="native" />
Index: lams_common/src/java/org/lamsfoundation/lams/planner/PedagogicalPlannerActivityMetadata.java
===================================================================
diff -u -r6d0e19e0d48a4950c9afbb40823a2bc49c2bb5a5 -r033cb28ca5f95395e45a337c3c3ddc70ab6edd49
--- lams_common/src/java/org/lamsfoundation/lams/planner/PedagogicalPlannerActivityMetadata.java	(.../PedagogicalPlannerActivityMetadata.java)	(revision 6d0e19e0d48a4950c9afbb40823a2bc49c2bb5a5)
+++ lams_common/src/java/org/lamsfoundation/lams/planner/PedagogicalPlannerActivityMetadata.java	(.../PedagogicalPlannerActivityMetadata.java)	(revision 033cb28ca5f95395e45a337c3c3ddc70ab6edd49)
@@ -32,6 +32,7 @@
  * 
  * @author Marcin Cieslak
  * @hibernate.class table="lams_planner_activity_metadata"
+ * @hibernate.cache usage = "transactional" 
  */
 public class PedagogicalPlannerActivityMetadata implements Serializable, Cloneable {