Tomoko-hjf commented on code in PR #13747:
URL: https://github.com/apache/dubbo/pull/13747#discussion_r1518733187


##########
dubbo-cluster/src/main/java/org/apache/dubbo/rpc/cluster/xds/router/XdsRouter.java:
##########
@@ -0,0 +1,134 @@
+package org.apache.dubbo.rpc.cluster.xds.router;
+
+import org.apache.dubbo.common.URL;
+import org.apache.dubbo.common.utils.CollectionUtils;
+import org.apache.dubbo.common.utils.Holder;
+import org.apache.dubbo.common.utils.StringUtils;
+import org.apache.dubbo.rpc.Invocation;
+import org.apache.dubbo.rpc.Invoker;
+import org.apache.dubbo.rpc.RpcException;
+import org.apache.dubbo.rpc.cluster.router.RouterSnapshotNode;
+import org.apache.dubbo.rpc.cluster.router.state.AbstractStateRouter;
+import org.apache.dubbo.rpc.cluster.router.state.BitList;
+import org.apache.dubbo.rpc.cluster.xds.PilotExchanger;
+import org.apache.dubbo.rpc.cluster.xds.resource.XdsCluster;
+import org.apache.dubbo.rpc.cluster.xds.resource.XdsClusterWeight;
+import org.apache.dubbo.rpc.cluster.xds.resource.XdsEndpoint;
+import org.apache.dubbo.rpc.cluster.xds.resource.XdsRoute;
+import org.apache.dubbo.rpc.cluster.xds.resource.XdsVirtualHost;
+import org.apache.dubbo.rpc.model.ModuleModel;
+import org.apache.dubbo.rpc.support.RpcUtils;
+
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ThreadLocalRandom;
+import java.util.stream.Collectors;
+
+public class XdsRouter<T> extends AbstractStateRouter<T> {
+    private volatile URL url;
+
+    protected ModuleModel moduleModel;

Review Comment:
   done



##########
dubbo-cluster/src/main/java/org/apache/dubbo/rpc/cluster/xds/router/XdsRouter.java:
##########
@@ -0,0 +1,134 @@
+package org.apache.dubbo.rpc.cluster.xds.router;
+
+import org.apache.dubbo.common.URL;
+import org.apache.dubbo.common.utils.CollectionUtils;
+import org.apache.dubbo.common.utils.Holder;
+import org.apache.dubbo.common.utils.StringUtils;
+import org.apache.dubbo.rpc.Invocation;
+import org.apache.dubbo.rpc.Invoker;
+import org.apache.dubbo.rpc.RpcException;
+import org.apache.dubbo.rpc.cluster.router.RouterSnapshotNode;
+import org.apache.dubbo.rpc.cluster.router.state.AbstractStateRouter;
+import org.apache.dubbo.rpc.cluster.router.state.BitList;
+import org.apache.dubbo.rpc.cluster.xds.PilotExchanger;
+import org.apache.dubbo.rpc.cluster.xds.resource.XdsCluster;
+import org.apache.dubbo.rpc.cluster.xds.resource.XdsClusterWeight;
+import org.apache.dubbo.rpc.cluster.xds.resource.XdsEndpoint;
+import org.apache.dubbo.rpc.cluster.xds.resource.XdsRoute;
+import org.apache.dubbo.rpc.cluster.xds.resource.XdsVirtualHost;
+import org.apache.dubbo.rpc.model.ModuleModel;
+import org.apache.dubbo.rpc.support.RpcUtils;
+
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ThreadLocalRandom;
+import java.util.stream.Collectors;
+
+public class XdsRouter<T> extends AbstractStateRouter<T> {
+    private volatile URL url;
+
+    protected ModuleModel moduleModel;
+
+    private PilotExchanger pilotExchanger = PilotExchanger.getInstance();
+
+    private volatile BitList<Invoker<T>> currentInvokeList;
+
+    private Set<String> subscribeApplications;
+
+    private Map<String, XdsVirtualHost> xdsVirtualHostMap = new 
ConcurrentHashMap<>();
+
+    private Map<String, XdsCluster> xdsClusterMap = new ConcurrentHashMap<>();
+
+    public XdsRouter(URL url) {
+        super(url);
+        this.moduleModel = url.getOrDefaultModuleModel();
+        this.url = url;
+    }
+
+    @Override
+    protected BitList<Invoker<T>> doRoute(BitList<Invoker<T>> invokers, URL 
url, Invocation invocation, boolean needToPrintMessage, 
Holder<RouterSnapshotNode<T>> routerSnapshotNodeHolder, Holder<String> 
messageHolder) throws RpcException {
+
+        // 1. match cluster
+        String matchCluster = matchCluster(invocation);
+
+        // 2. match invokers
+        BitList<Invoker<T>> invokerList = matchInvoker(matchCluster, invokers);

Review Comment:
   done



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