import uml;

uml::Model root(uml::Model m):
	
	let c=m.eAllContents.typeSelect(Class).selectFirst(e|e.name== "A"):
	renameClass(c)->m; 

Class renameClass(uml::Class c1):
	c1.setName("myNewClass");

0    INFO  WorkflowRunner     - --------------------------------------------------------------------------------------
0    INFO  WorkflowRunner     - EMF Modeling Workflow Engine 1.0.0, Build v201003150825
0    INFO  WorkflowRunner     - (c) 2005-2009 openarchitectureware.org and contributors
0    INFO  WorkflowRunner     - --------------------------------------------------------------------------------------
0    INFO  WorkflowRunner     - running workflow: C:/Workspace/m2m.first.try/src/workflow_generator_refactorings/renameClass.mwe
0    INFO  WorkflowRunner     - 
1406 INFO  CompositeComponent - XmiReader: file 'model/test.uml' => slot 'modelSlot'
1609 INFO  CompositeComponent - DirectoryCleaner(dirCleaner): cleaning directory 'src-gen'
1609 INFO  CompositeComponent - XtendComponent: executing 'm2m::renameClass'
2124 ERROR AbstractExpressionsUsingWorkflowComponent - Error in Component  of type org.eclipse.xtend.XtendComponent: 
	EvaluationException : Couldn't find operation 'setName(String)' for uml::Class.
	m2m::renameClass.ext[191,24] on line 10 'c1.setName("myNewClass")'
	m2m::renameClass.ext[128,14] on line 6 'renameClass(c)'           
	nofile[0,20] on line 1 'root(modelSlot)'                     

2124 ERROR WorkflowRunner     - Workflow interrupted. Reason: Couldn't find operation 'setName(String)' for uml::Class.
2124 ERROR WorkflowRunner     - [ERROR]: Couldn't find operation 'setName(String)' for uml::Class.(Element: c1.setName("myNewClass"); Reported by: XtendComponent: executing 'm2m::renameClass')
2124 ERROR WorkflowRunner     - [ERROR]: Couldn't find operation 'setName(String)' for uml::Class.(Element: Class renameClass(uml::Class c1); Reported by: XtendComponent: executing 'm2m::renameClass')
2124 ERROR WorkflowRunner     - [ERROR]: Couldn't find operation 'setName(String)' for uml::Class.(Element: renameClass(c); Reported by: XtendComponent: executing 'm2m::renameClass')
2124 ERROR WorkflowRunner     - [ERROR]: Couldn't find operation 'setName(String)' for uml::Class.(Element: renameClass(c)->m; Reported by: XtendComponent: executing 'm2m::renameClass')
2124 ERROR WorkflowRunner     - [ERROR]: Couldn't find operation 'setName(String)' for uml::Class.(Element: let c=m.eAllContents.typeSelect(Class).selectFirst(e|e.name.==("A")) : renameClass(c)->m; Reported by: XtendComponent: executing 'm2m::renameClass')
2124 ERROR WorkflowRunner     - [ERROR]: Couldn't find operation 'setName(String)' for uml::Class.(Element: uml::Model root(uml::Model m); Reported by: XtendComponent: executing 'm2m::renameClass')
2124 ERROR WorkflowRunner     - [ERROR]: Couldn't find operation 'setName(String)' for uml::Class.(Element: root(modelSlot); Reported by: XtendComponent: executing 'm2m::renameClass')