Workflow {

	component = org.eclipse.xtext.mwe.Reader {
		// lookup all resources on the classpath
		// useJavaClassPath = true

		// or define search scope explicitly
		path = modelPath

		// this class will be generated by the xtext generator 
		register = org.xtext.example.mydsl.MyDslStandaloneSetup {}
		load = {
			
			slot = "familyDeclaration"
			type = "FamilyDeclaration"
		}
	}

	
	component = org.eclipse.xpand2.Generator {
		expand = "templates::Template::main FOREACH familyDeclaration"
		outlet = {
			path = targetDir
		}
		fileEncoding = fileEncoding
	}
	component = org.eclipse.emf.mwe.utils.Writer{
       modelSlot ="familyDeclaration"
       uri ="${targetDir}/acme.xmi"}
}

FamilyDeclaration:{FamilyDeclaration}
	'Family' nomFamily=ID '='('{')? familyBody=FamilyBody ('}')?(';')?;

FamilyBody: {FamilyBody}
	 (typeDeclaration+=TypeDeclaration)*;

TypeDeclaration:{TypeDeclaration}
	elementTypeDeclaration=ElementTypeDeclaration | propertyTypeDeclaration=PropertyTypeDeclaration
	;
......

Family PipeFilterFam = {
 Component Type FilterT = {
 Ports { stdin ; stdout; };
 Property throughput : int;
 };
 Component Type UnixFilterT extends FilterT with {
 Port stderr ;
 Property implementationFile : String;
 };
 Connector Type PipeT = {
 Roles { source; sink; };
 Property bufferSize : int ;
 };
 Property Type StringMsgFormatT = Record [ size:int; msg:String; ];
 Invariant Forall c in self .Connectors | HasType(c, PipeT);
 }
  
 }
     

public class MyDslQNP extends DefaultDeclarativeQualifiedNameProvider {
public String getQualifiedName(FamilyDeclaration unit) {
return unit.getNomFamily();
}

}