Model:
    operations+=Operation*;

ContainerEntity:
    name=ID;

ObjectEntity:
    (first=[ContainerEntity] '.')? name=ID
;

Operation:
    CreateContainer | CreateObject | ContainerOp | ObjectOp
;

CreateContainer:
    'Container' container=ContainerEntity ';'
;

CreateObject:
    'Object' object=ObjectEntity ';'
;

ContainerOp:
    'ContainerOp' name=[ContainerEntity] ';'
;

ObjectOp:
    'ObjectOp' name=[ObjectEntity] ';'
;

// Define a container and object
Container c;
Object o;

// Can define an object using container name qualifier
Object c.o2;

// Operations
ContainerOp c;
ObjectOp o;

// Cannot use object operation with container name 
ObjectOp c.o;            // ERROR: Couldn't resolve reference to ObjectEntity 'c'.

	QualifiedName qualifiedName(ObjectEntity obj) {
		List<String> names = new ArrayList<String>();

		final EClass eClass = obj.eClass();
		final EStructuralFeature result = eClass.getEStructuralFeature("first");
		List<INode> nodes = NodeModelUtils.findNodesForFeature(obj, result);
		for (INode n : nodes) {
			System.out.println(n.getText());
                        // TODO: add ContainerEntity name to qualified name ??
		}

		names.add(obj.getName());

		QualifiedName qn = QualifiedName.create(names);
		System.out.println("QN= " + qn);
		return qn;
	}

ObjectOp:
    'ObjectOp' name=[ObjectEntity|FQN] ';'
;

FQN: ID ("." ID)*;

ObjectOp:
    'ObjectOp' name=[ObjectEntity|FQN] ';'
;

FQN: ID ("." ID)*;

public class MyDslQualifiedNameProvider extends
		DefaultDeclarativeQualifiedNameProvider {
	
	QualifiedName qualifiedName(ObjectEntity obj) {
		List<INode> nodes = NodeModelUtils.findNodesForFeature(obj, MyDslPackage.Literals.OBJECT_ENTITY__FIRST);
		if (nodes.size()>0) {
			return QualifiedName.create(nodes.get(0).getText().trim(), obj.getName());
		}
		return null;
	}


}

CreateContainer:
    'Container' container=ContainerEntity ';' children+= CreateObject*
;