Examples with ResourcesResponse com.tencent.polaris.client.flow.ResourcesResponse used on opensource projects

Example 6 with ResourcesResponse

use of com.tencent.polaris.client.flow.ResourcesResponse in project polaris-java by polarismesh.

the class DefaultRouterAPI method processRouters.

@Override
public ProcessRoutersResponse processRouters(ProcessRoutersRequest request) throws PolarisException {
    checkAvailable("RouterAPI");
    RouterValidator.validateProcessRouterRequest(request);
    RouterNamesGroup requestRouterGroup = request.getRouters();
    List<ServiceRouter> beforeRouters;
    if (null != requestRouterGroup && CollectionUtils.isNotEmpty(requestRouterGroup.getBeforeRouters())) {
        beforeRouters = Extensions.loadServiceRouters(requestRouterGroup.getBeforeRouters(), extensions.getPlugins(), true);
    } else {
        beforeRouters = extensions.getConfigRouterChainGroup().getBeforeRouters();
    }
    List<ServiceRouter> afterRouters;
    if (null != requestRouterGroup && CollectionUtils.isNotEmpty(requestRouterGroup.getAfterRouters())) {
        afterRouters = Extensions.loadServiceRouters(requestRouterGroup.getAfterRouters(), extensions.getPlugins(), true);
    } else {
        afterRouters = extensions.getConfigRouterChainGroup().getAfterRouters();
    }
    List<ServiceRouter> coreRouters;
    if (null != requestRouterGroup && CollectionUtils.isNotEmpty(requestRouterGroup.getCoreRouters())) {
        coreRouters = Extensions.loadServiceRouters(requestRouterGroup.getCoreRouters(), extensions.getPlugins(), true);
    } else {
        coreRouters = extensions.getConfigRouterChainGroup().getCoreRouters();
    }
    ServiceInstances dstInstances = request.getDstInstances();
    RouteInfo routeInfo = new RouteInfo(request.getSourceService(), dstInstances, request.getMethod());
    // 获取路由规则
    DefaultFlowControlParam engineFlowControlParam = new DefaultFlowControlParam();
    BaseFlow.buildFlowControlParam(request, config, engineFlowControlParam);
    Set<ServiceEventKey> routerKeys = new HashSet<>();
    ServiceEventKey dstSvcEventKey = new ServiceEventKey(new ServiceKey(dstInstances.getNamespace(), dstInstances.getService()), EventType.ROUTING);
    routerKeys.add(dstSvcEventKey);
    ServiceEventKey srcSvcEventKey = null;
    if (null != routeInfo.getSourceService() && StringUtils.isNotBlank(routeInfo.getSourceService().getNamespace()) && StringUtils.isNotBlank(routeInfo.getSourceService().getService())) {
        srcSvcEventKey = new ServiceEventKey(new ServiceKey(routeInfo.getSourceService().getNamespace(), routeInfo.getSourceService().getService()), EventType.ROUTING);
        routerKeys.add(srcSvcEventKey);
    }
    DefaultServiceEventKeysProvider svcKeysProvider = new DefaultServiceEventKeysProvider();
    svcKeysProvider.setSvcEventKeys(routerKeys);
    ResourcesResponse resourcesResponse = BaseFlow.syncGetResources(extensions, false, svcKeysProvider, engineFlowControlParam);
    routeInfo.setDestRouteRule(resourcesResponse.getServiceRule(dstSvcEventKey));
    if (null != srcSvcEventKey) {
        routeInfo.setSourceRouteRule(resourcesResponse.getServiceRule(srcSvcEventKey));
    }
    // 执行路由
    DefaultRouterChainGroup routerChainGroup = new DefaultRouterChainGroup(beforeRouters, coreRouters, afterRouters);
    ServiceInstances svcInstances = BaseFlow.processServiceRouters(routeInfo, dstInstances, routerChainGroup);
    return new ProcessRoutersResponse(svcInstances);
}