ref creat extent creat extent user uml model replac model read xmi file extent uml uml repositori extent model extent uml note persist repositori like tree repositori ll want old extent uml old uml uml delet extent uncheck old defin log lp log granular type statement lp log local nest statement log debug mdr init uml extent exist delet uml data endif invalid object except defin log lp log granular type statement lp log local nest statement log debug got error delet old user extent endif uml uml creat extent model extent defin log lp log granular type statement lp log local nest statement lp log local log debug creat extent endif uml 