How to use

LoadBalance

in

me.hao0.antares.common.balance

private Boolean selectServer() {
  List<String> servers = client.getHttpServers();
  if (servers.isEmpty()){
    log.warn("There are no available server, please check the environment.");
    return Boolean.FALSE;
  }
  currentServer = balancer.balance(servers);
  return Boolean.TRUE;
}

/**
 * Schedule the job to one of the servers
 * @param jobId the job id
 * @param servers the alive servers
 */
public Response<Boolean> scheduleJob(Long jobId, List<String> servers){
  try {
    String targetServer = balancer.balance(servers);
    return Response.ok(doScheduleJob(jobId, targetServer));
  } catch (Exception e) {
    Logs.error("failed to schedule job(jobId={}, servers={})", jobId, servers);
    return Response.notOk("job.schedule.failed");
  }
}

@Override
public Response<Boolean> scheduleJob(Long jobId) {
  try {
    // get current server list
    Response<List<String>> listResp = clusterService.listSimpleServers();
    if (!listResp.isSuccess()){
      return Response.notOk(listResp.getErr());
    }
    List<String> servers = listResp.getData();
    if (CollectionUtil.isNullOrEmpty(servers)){
      // no available server, don't need schedule
      Logs.warn("There are no available servers when schedule job(id={}).", jobId);
      return Response.notOk("server.no.available");
    }
    String targetServer = balancer.balance(servers);
    return Response.ok(doScheduleJob(jobId, targetServer));
  } catch (Exception e) {
    Logs.error("failed to schedule job(jobId={})", jobId);
    return Response.notOk("job.schedule.failed");
  }
}