if properties are missing an exception is sent

src/SY900S_Group.cpp

-static const char *RcsId = "$Header: /users/chaize/newsvn/cvsroot/Instrumentation/SY900S_group/src/SY900S_Group.cpp,v 1.4 2007-05-22 12:59:52 sebleport Exp $";
+static const char *RcsId = "$Header: /users/chaize/newsvn/cvsroot/Instrumentation/SY900S_group/src/SY900S_Group.cpp,v 1.5 2007-05-22 13:15:38 sebleport Exp $";
 //+=============================================================================
 //
 // file :         SY900S_Group.cpp
@@ -13,9 +13,12 @@ static const char *RcsId = "$Header: /users/chaize/newsvn/cvsroot/Instrumentatio
 //
 // $Author: sebleport $
 //
-// $Revision: 1.4 $
+// $Revision: 1.5 $
 //
 // $Log: not supported by cvs2svn $
+// Revision 1.4  2007/05/22 12:59:52  sebleport
+// _ some command and attribute names have changed
+//
 // Revision 1.3  2006/08/03 14:58:27  sebleport
 // - status modification
 // - add GetLastError command
@@ -146,7 +149,8 @@ namespace SY900S_Group_ns
   {
     //	Initialize your default values here.
     //------------------------------------------
-    
+    groupNumber = 0;
+    sY900SgenericProxyServer = "";
     
     //	Read device properties from database.(Automatic code generation)
     //-------------------------------------------------------------
@@ -186,6 +190,15 @@ namespace SY900S_Group_ns
     //	End of Automatic code generation
     //-------------------------------------------------------------
     
+    if(groupNumber == 0)
+      INFO_STREAM<<" the group numer is the default value = 0 "<<endl;
+
+    if(sY900SgenericProxyServer == "")
+      Tango::Except::throw_exception(
+        (const char*) "TANGO_CONFIGURATION_ERROR",
+        (const char*) "SY900SgenericProxyServer property is missing ",
+        (const char*) "SY900S_Group::get_device_property()");
+
   }
   //+----------------------------------------------------------------------------
   //