Index: lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/service/IQaService.java
===================================================================
diff -u -r45a3263a49a830c6e5392591ccd854264c5e6730 -r26525a9a37f27e26fc8d62cb849a85bff4ae5506
--- lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/service/IQaService.java	(.../IQaService.java)	(revision 45a3263a49a830c6e5392591ccd854264c5e6730)
+++ lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/service/IQaService.java	(.../IQaService.java)	(revision 26525a9a37f27e26fc8d62cb849a85bff4ae5506)
@@ -25,7 +25,7 @@
 import java.util.List;
 
 import org.lamsfoundation.lams.contentrepository.ITicket;
-import org.lamsfoundation.lams.tool.BasicToolVO;
+import org.lamsfoundation.lams.tool.IToolVO;
 import org.lamsfoundation.lams.tool.exception.DataMissingException;
 import org.lamsfoundation.lams.tool.exception.ToolException;
 import org.lamsfoundation.lams.tool.qa.QaApplicationException;
@@ -212,7 +212,7 @@
      */
     public String leaveToolSession(Long toolSessionId,Long learnerId) throws DataMissingException, ToolException;
     
-    public BasicToolVO getToolBySignature(String toolSignature) throws QaApplicationException;
+    public IToolVO getToolBySignature(String toolSignature) throws QaApplicationException;
     
     public long getToolDefaultContentIdBySignature(String toolSignature) throws QaApplicationException;
     
Index: lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/service/QaServicePOJO.java
===================================================================
diff -u -r45a3263a49a830c6e5392591ccd854264c5e6730 -r26525a9a37f27e26fc8d62cb849a85bff4ae5506
--- lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/service/QaServicePOJO.java	(.../QaServicePOJO.java)	(revision 45a3263a49a830c6e5392591ccd854264c5e6730)
+++ lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/service/QaServicePOJO.java	(.../QaServicePOJO.java)	(revision 26525a9a37f27e26fc8d62cb849a85bff4ae5506)
@@ -44,6 +44,7 @@
 import org.lamsfoundation.lams.contentrepository.service.SimpleCredentials;
 import org.lamsfoundation.lams.learning.service.ILearnerService;
 import org.lamsfoundation.lams.tool.BasicToolVO;
+import org.lamsfoundation.lams.tool.IToolVO;
 import org.lamsfoundation.lams.tool.ToolContentManager;
 import org.lamsfoundation.lams.tool.ToolSessionExportOutputData;
 import org.lamsfoundation.lams.tool.ToolSessionManager;
@@ -1516,10 +1517,10 @@
         throw new ToolException("not yet implemented");
     }
     
-    public BasicToolVO getToolBySignature(String toolSignature) throws QaApplicationException
+    public IToolVO getToolBySignature(String toolSignature) throws QaApplicationException
     {
     	logger.debug("attempt retrieving tool with signature : " + toolSignature);
-    	BasicToolVO tool=toolService.getToolBySignature(toolSignature);
+    	IToolVO tool=toolService.getToolBySignature(toolSignature);
     	logger.debug("retrieved tool: " + tool);
 	    return tool;
     }