Index: lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/learningdesign/Activity.hbm.xml
===================================================================
diff -u -rfcd6f2e0e64ffccf8c7bbfb60911c1bc5991c440 -r2870ba9d3f788670624a32d6e5a1fe05c026d47a
--- lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/learningdesign/Activity.hbm.xml	(.../Activity.hbm.xml)	(revision fcd6f2e0e64ffccf8c7bbfb60911c1bc5991c440)
+++ lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/learningdesign/Activity.hbm.xml	(.../Activity.hbm.xml)	(revision 2870ba9d3f788670624a32d6e5a1fe05c026d47a)
@@ -79,6 +79,11 @@
     <property name="activityTypeId" type="java.lang.Integer" column="learning_activity_type_id" length="11" not-null="true">
     	        <meta attribute="field-description">@hibernate.property column="learning_activity_type_id" length="11"</meta>    
    	</property>
+   	
+   	<property name="activityCategoryID" type="java.lang.Integer" column="activity_category_id" length="11">
+    	        <meta attribute="field-description">@hibernate.property column="activity_category_id" length="11"</meta>    
+   	</property>
+   	
     <property name="libraryActivityUiImage" type="java.lang.String" column="library_activity_ui_image" length="255">
         <meta attribute="field-description">@hibernate.property column="library_activity_ui_image" length="255"</meta>    
     </property>
Index: lams_common/src/java/org/lamsfoundation/lams/learningdesign/Activity.java
===================================================================
diff -u -r6753e585772b555f5070050085fd1675a59242bc -r2870ba9d3f788670624a32d6e5a1fe05c026d47a
--- lams_common/src/java/org/lamsfoundation/lams/learningdesign/Activity.java	(.../Activity.java)	(revision 6753e585772b555f5070050085fd1675a59242bc)
+++ lams_common/src/java/org/lamsfoundation/lams/learningdesign/Activity.java	(.../Activity.java)	(revision 2870ba9d3f788670624a32d6e5a1fe05c026d47a)
@@ -56,6 +56,16 @@
 	public static final int SEQUENCE_ACTIVITY_TYPE = 9;
 	/******************************************************************/
 	
+	/**
+	* static final variables indicating the the category of activities
+    *******************************************************************/
+	public static final int CATEGORY_SYSTEM = 1;
+	public static final int CATEGORY_COLLABORATION = 2;
+	public static final int CATEGORY_ASSESSMENT = 3;
+	public static final int CATEGORY_CONTENT = 4;
+	public static final int CATEGORY_SPLIT = 5;
+	/******************************************************************/
+	
 	/** WDDX packet specific attribute created to identify the
 	 * type of object being passed.*/
 	public static final String OBJECT_TYPE ="Activity";
@@ -133,6 +143,9 @@
 
 	/** The type of activity */
 	private Integer activityTypeId;
+	
+	/** The category of activity */
+	private Integer activityCategoryID;
 
 	/** persistent field */
 	private Transition transitionTo; 
@@ -595,4 +608,10 @@
 	{
 	    return activityStrategy.getNextActivityByParent(this,currentChild);
 	}
+	public Integer getActivityCategoryID() {
+		return activityCategoryID;
+	}
+	public void setActivityCategoryID(Integer activityCategoryID) {
+		this.activityCategoryID = activityCategoryID;
+	}
 }
\ No newline at end of file