Examples with ProcessLoadBalanceResponse com.tencent.polaris.router.api.rpc.ProcessLoadBalanceResponse used on opensource projects

Example 1 with ProcessLoadBalanceResponse

use of com.tencent.polaris.router.api.rpc.ProcessLoadBalanceResponse in project polaris-java by polarismesh.

the class DefaultRouterAPI method processLoadBalance.

@Override
public ProcessLoadBalanceResponse processLoadBalance(ProcessLoadBalanceRequest request) throws PolarisException {
    checkAvailable("EngineAPI");
    RouterValidator.validateProcessLoadBalanceRequest(request);
    String lbPolicy = request.getLbPolicy();
    if (StringUtils.isBlank(lbPolicy)) {
        lbPolicy = extensions.getConfiguration().getConsumer().getLoadbalancer().getType();
    }
    LoadBalancer loadBalancer = (LoadBalancer) extensions.getPlugins().getPlugin(PluginTypes.LOAD_BALANCER.getBaseType(), lbPolicy);
    Instance instance = BaseFlow.processLoadBalance(loadBalancer, request.getCriteria(), request.getDstInstances());
    return new ProcessLoadBalanceResponse(instance);
}

Example 2 with ProcessLoadBalanceResponse

use of com.tencent.polaris.router.api.rpc.ProcessLoadBalanceResponse in project polaris-java-agent by polarismesh.

the class PolarisOperator method loadBalance.

public Instance loadBalance(String service, String hashKey, List<Instance> instances) {
    ServiceKey serviceKey = new ServiceKey(polarisConfig.getNamespace(), service);
    DefaultServiceInstances defaultServiceInstances = new DefaultServiceInstances(serviceKey, instances);
    ProcessLoadBalanceRequest processLoadBalanceRequest = new ProcessLoadBalanceRequest();
    processLoadBalanceRequest.setDstInstances(defaultServiceInstances);
    Criteria criteria = new Criteria();
    criteria.setHashKey(hashKey);
    processLoadBalanceRequest.setCriteria(criteria);
    ProcessLoadBalanceResponse processLoadBalanceResponse = routerAPI.processLoadBalance(processLoadBalanceRequest);
    return processLoadBalanceResponse.getTargetInstance();
}

Example 3 with ProcessLoadBalanceResponse

use of com.tencent.polaris.router.api.rpc.ProcessLoadBalanceResponse in project polaris-java-agent by polarismesh.

the class PolarisServiceRouter method getLoadBalancedServiceInstance.

/**
 * 对服务实例进行负载均衡
 *
 * @param dstInstances
 * @return
 */
public static Instance getLoadBalancedServiceInstance(ServiceInstances dstInstances) {
    LogUtils.logInvoke(PolarisServiceRouter.class, "getLoadBalancedServiceInstance");
    // 执行负载均衡
    ProcessLoadBalanceRequest processLoadBalanceRequest = new ProcessLoadBalanceRequest();
    processLoadBalanceRequest.setDstInstances(dstInstances);
    processLoadBalanceRequest.setLbPolicy(LoadBalanceConfig.LOAD_BALANCE_WEIGHTED_RANDOM);
    ProcessLoadBalanceResponse processLoadBalanceResponse = PolarisAPIFactory.getRouterApi().processLoadBalance(processLoadBalanceRequest);
    LOGGER.info("success to loadBalanced by Polaris");
    return processLoadBalanceResponse.getTargetInstance();
}

Example 4 with ProcessLoadBalanceResponse

use of com.tencent.polaris.router.api.rpc.ProcessLoadBalanceResponse in project spring-cloud-tencent by Tencent.

the class PolarisWeightedRule method choose.

@Override
public Server choose(Object key) {
    List<Server> servers = getLoadBalancer().getReachableServers();
    if (CollectionUtils.isEmpty(servers)) {
        return null;
    }
    ServiceInstances serviceInstances = LoadBalancerUtils.transferServersToServiceInstances(servers);
    ProcessLoadBalanceRequest request = new ProcessLoadBalanceRequest();
    request.setDstInstances(serviceInstances);
    request.setLbPolicy(LoadBalanceConfig.LOAD_BALANCE_WEIGHTED_RANDOM);
    ProcessLoadBalanceResponse processLoadBalanceResponse = routerAPI.processLoadBalance(request);
    Instance targetInstance = processLoadBalanceResponse.getTargetInstance();
    return new PolarisServer(serviceInstances, targetInstance);
}

Example 5 with ProcessLoadBalanceResponse

use of com.tencent.polaris.router.api.rpc.ProcessLoadBalanceResponse in project spring-cloud-tencent by Tencent.

the class PolarisWeightedRandomRule method choose.

@Override
public Server choose(Object key) {
    List<Server> allServers = getLoadBalancer().getReachableServers();
    if (CollectionUtils.isEmpty(allServers)) {
        return null;
    }
    Server server = allServers.get(0);
    if (!(server instanceof PolarisServer)) {
        throw new IllegalStateException("PolarisDiscoveryRule only support PolarisServer instances");
    }
    PolarisServer polarisServer = (PolarisServer) server;
    ProcessLoadBalanceRequest request = new ProcessLoadBalanceRequest();
    request.setDstInstances(polarisServer.getServiceInstances());
    request.setLbPolicy(POLICY);
    ProcessLoadBalanceResponse processLoadBalanceResponse = polarisRouter.processLoadBalance(request);
    Instance targetInstance = processLoadBalanceResponse.getTargetInstance();
    return new PolarisServer(polarisServer.getServiceInstances(), targetInstance);
}