// by default eager initialization is enabled
// descriptor.setInit(AbstractDescriptor.INIT_REQUIRED);
// inject the command executor
TypeRefDescriptor commandExecutorDescriptor = new TypeRefDescriptor();
commandExecutorDescriptor.setContextClass(CommandService.class);
FieldOperation commandExecutorInjection = new FieldOperation();
commandExecutorInjection.setFieldName("commandService");
commandExecutorInjection.setDescriptor(commandExecutorDescriptor);