@Override
  protected AbstractNotificationOperation getNextOperation(final IWsdlModelRoot modelRoot)
      throws Exception {
    if (inlineNSCommand == null) {
      final ISchema containingSchema = findSingleSchema(modelRoot, "http://namespace1");
      final Collection<ISchema> allReferredSchemas = containingSchema.getAllReferredSchemas();
      ISchema schemaToInline = null;
      for (final ISchema iSchema : allReferredSchemas) {
        if (XSD1_NS.equals(iSchema.getNamespace())) {
          schemaToInline = iSchema;
          break;
        }
      }
      inlineNSCommand = new InlineNamespaceCompositeCommand(modelRoot, schemaToInline);
      return inlineNSCommand;
    }
    if (setTypeCommand == null) {
      final IElement attribute =
          getStructureType3(modelRoot).getElements("Attribute2").iterator().next();

      final ISchema schema2 = findSingleSchema(modelRoot, "http://namespace3");
      final IType typeToBeSet = schema2.getType(false, "SimpleType2");
      setTypeCommand = new SetElementTypeCommand(attribute, typeToBeSet);
      return setTypeCommand;
    }
    return null;
  }
  @Override
  protected AbstractNotificationOperation getOperation(IXSDModelRoot modelRoot) throws Exception {
    ISchema mySchema = modelRoot.getSchema();

    int numberOfImports = 0;
    for (XSDSchemaContent content : mySchema.getComponent().getContents()) {
      if (content instanceof XSDImport
          && ((XSDImport) content).getNamespace().equals("http://example.com/MySchema1")) {
        numberOfImports++;
      }
    }
    assertEquals(1, numberOfImports);

    ISchema mySchema1_2 = this.getXSDModelRoot(mySchema1_2File).getSchema();
    AbstractType sch2Element1 = (AbstractType) mySchema1_2.getType(true, "Sch2Element1");

    ImportSchemaCommand command =
        new ImportSchemaCommand(
            (IXSDModelRoot) mySchema.getModelRoot(), (Schema) mySchema, sch2Element1);
    return command;
  }
 // custom for this test. When ever it is first initiated :)
 private IStructureType getStructureType3(final IWsdlModelRoot modelRoot) {
   final ISchema schema = findSingleSchema(modelRoot, "http://namespace1");
   return (StructureType) schema.getType(false, "StructureType3");
 }