Model:
	"name" name=QualifiedName
	(entities+=Entity | values+=ValueObj)* 
;

Model model=ModelFactor.eINSTANCE.createModel();
model.getEntities().add(HERE I AM ADDING THE ENTITY);
// This entity is searched for while creating ValueObj and reference has been added here.
//....

// Then adding this ValueObj to model.

model.getValueObj().add(VALUEOBJ HERE);

return model;

// creation of a resource here, Say "resource"
resource.getContents().add(model);
try{
resource.save(Collections.EMPTY_MAP);
}
catch (...){
}