/** 注意这里的action是通过implementor来实现的 */
public void action() {
implementor.operation();
}
public void implement(Implementor implementor) {
implementor.visitChild(0, getInput());
Translator translator = new Translator(MongoRules.mongoFieldNames(getRowType()));
String match = translator.translateMatch(condition);
implementor.add(null, match);
}
