apollo-common/src/main/java/com/ctrip/framework/apollo/common/dto/GrayReleaseRuleItemDTO.java/GrayReleaseRuleItemDTO/matches
class GrayReleaseRuleItemDTO:  public boolean matches(String clientAppId, String clientIp,String clientLabel) {
    return (appIdMatches(clientAppId) && ipMatches(clientIp))||(appIdMatches(clientAppId) && labelMatches(clientLabel));
  }