Merge pull request #90 from crossoverJie/fix-issue-79

Fix issue 79

@@ -103,6 +103,11 @@ public class SortArrayMap {
         return size;
     }
 
+    public void clear(){
+        buckets = new Node[DEFAULT_SIZE];
+        size = 0 ;
+    }
+
     /**
      * 数据节点
      */

@@ -29,7 +29,7 @@ public enum StatusEnum {
 
     SERVER_NOT_AVAILABLE("7100", "cim server is not available, please try again later!"),
 
-    RECONNECT_FAIL("7200", "reconnect fail, continue to retry!"),
+    RECONNECT_FAIL("7200", "Reconnect fail, continue to retry!"),
 
     /** 登录信息不匹配 */
     ACCOUNT_NOT_MATCH("9100", "The User information you have used is incorrect!"),

@@ -20,6 +20,8 @@ public class SortArrayMapConsistentHash extends AbstractConsistentHash {
 
     @Override
     public void add(long key, String value) {
+        // fix https://github.com/crossoverJie/cim/issues/79
+        sortArrayMap.clear();
         for (int i = 0; i < VIRTUAL_NODE_SIZE; i++) {
             Long hash = super.hash("vir" + key + i);
             sortArrayMap.add(hash,value);

@@ -23,6 +23,9 @@ public class TreeMapConsistentHash extends AbstractConsistentHash {
 
     @Override
     public void add(long key, String value) {
+
+        // fix https://github.com/crossoverJie/cim/issues/79
+        treeMap.clear();
         for (int i = 0; i < VIRTUAL_NODE_SIZE; i++) {
             Long hash = super.hash("vir" + key + i);
             treeMap.put(hash,value);

@@ -10,7 +10,6 @@ import org.springframework.stereotype.Component;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
-import java.util.concurrent.atomic.AtomicLong;
 
 /**
  * Function: 服务器节点缓存
@@ -30,9 +29,6 @@ public class ServerCache {
     @Autowired
     private ZKit zkUtil;
 
-    private AtomicLong index = new AtomicLong();
-
-
     public void addCache(String key) {
         cache.put(key, key);
     }
@@ -41,12 +37,12 @@ public class ServerCache {
     /**
      * 更新所有缓存/先删除 再新增
      *
-     * @param currentChilds
+     * @param currentChildren
      */
-    public void updateCache(List<String> currentChilds) {
+    public void updateCache(List<String> currentChildren) {
         cache.invalidateAll();
-        for (String currentChild : currentChilds) {
-            // currentChild=ip-127.0.0.1:11212:9082 or 127.0.0.1:11212:9082
+        for (String currentChild : currentChildren) {
+            // currentChildren=ip-127.0.0.1:11212:9082 or 127.0.0.1:11212:9082
             String key ;
             if (currentChild.split("-").length == 2){
                 key = currentChild.split("-")[1];

@@ -7,6 +7,8 @@ import com.google.common.cache.CacheLoader;
 import com.google.common.cache.LoadingCache;
 import okhttp3.OkHttpClient;
 import org.I0Itec.zkclient.ZkClient;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -28,6 +30,8 @@ import java.util.concurrent.TimeUnit;
 @Configuration
 public class BeanConfig {
 
+    private static Logger logger = LoggerFactory.getLogger(BeanConfig.class);
+
     @Autowired
     private AppConfiguration appConfiguration;
 
@@ -83,6 +87,7 @@ public class BeanConfig {
     public RouteHandle buildRouteHandle() throws Exception {
         String routeWay = appConfiguration.getRouteWay();
         RouteHandle routeHandle = (RouteHandle) Class.forName(routeWay).newInstance();
+        logger.info("Current route algorithm is [{}]", routeHandle.getClass().getSimpleName());
         if (routeWay.contains("ConsistentHash")) {
             //一致性 hash 算法
             Method method = Class.forName(routeWay).getMethod("setHash", AbstractConsistentHash.class);

@@ -154,6 +154,8 @@ public class RouteController {
 
         // check server available
         String server = routeHandle.routeServer(serverCache.getServerList(),String.valueOf(loginReqVO.getUserId()));
+        LOGGER.info("userName=[{}] route server info=[{}]", loginReqVO.getUserName(), server);
+
         RouteInfo routeInfo = RouteInfoParseUtil.parse(server);
         commonBizService.checkServerAvailable(routeInfo);
 

@@ -12,7 +12,7 @@ import org.springframework.stereotype.Component;
 import java.util.List;
 
 /**
- * Function: Zookeeper 工具
+ * Function: Zookeeper kit
  *
  * @author crossoverJie
  *         Date: 2018/8/19 00:33
@@ -39,11 +39,11 @@ public class ZKit {
     public void subscribeEvent(String path) {
         zkClient.subscribeChildChanges(path, new IZkChildListener() {
             @Override
-            public void handleChildChange(String parentPath, List<String> currentChilds) throws Exception {
-                logger.info("Clear or update local cache parentPath=[{}],currentChilds=[{}]", parentPath,currentChilds.toString());
+            public void handleChildChange(String parentPath, List<String> currentChildren) throws Exception {
+                logger.info("Clear and update local cache parentPath=[{}],currentChildren=[{}]", parentPath,currentChildren.toString());
 
-                //更新所有缓存/先删除 再新增
-                serverCache.updateCache(currentChilds) ;
+                //update local cache, delete and save.
+                serverCache.updateCache(currentChildren) ;
             }
         });
 
@@ -52,12 +52,12 @@ public class ZKit {
 
 
     /**
-     * 获取所有注册节点
+     * get all server node from zookeeper
      * @return
      */
     public List<String> getAllNode(){
         List<String> children = zkClient.getChildren("/route");
-        logger.info("查询所有节点成功=【{}】", JSON.toJSONString(children));
+        logger.info("Query all node =[{}] success.", JSON.toJSONString(children));
        return children;
     }
 

@@ -22,19 +22,19 @@ app.zk.connect.timeout=15000
 app.zk.root=/route
 
 #路由策略，轮询
-app.route.way=com.crossoverjie.cim.common.route.algorithm.loop.LoopHandle
+#app.route.way=com.crossoverjie.cim.common.route.algorithm.loop.LoopHandle
 
 #路由策略，随机
 #app.route.way=com.crossoverjie.cim.common.route.algorithm.random.RandomHandle
 
 #路由策略，一致性 hash
-#app.route.way=com.crossoverjie.cim.common.route.algorithm.consistenthash.ConsistentHashHandle
+app.route.way=com.crossoverjie.cim.common.route.algorithm.consistenthash.ConsistentHashHandle
 
 #一致性 hash 算法具体实现--自定义有序 map
 #app.route.way.consitenthash=com.crossoverjie.cim.common.route.algorithm.consistenthash.SortArrayMapConsistentHash
 
 #一致性 hash 算法具体实现--TreeMap
-#app.route.way.consitenthash=com.crossoverjie.cim.common.route.algorithm.consistenthash.TreeMapConsistentHash
+app.route.way.consitenthash=com.crossoverjie.cim.common.route.algorithm.consistenthash.TreeMapConsistentHash
 
 # Redis 配置
 spring.redis.host=xx