增加Priority功能， 可以对Service、Filter、HttpServlet的加载顺序进行优先级设置，同时删掉Filter的getIndex方法

src/org/redkale/boot/NodeHttpServer.java

@@ -152,7 +152,12 @@ public class NodeHttpServer extends NodeServer {
         list.sort((FilterEntry<? extends Servlet> o1, FilterEntry<? extends Servlet> o2) -> {  //必须保证WebSocketServlet优先加载， 因为要确保其他的HttpServlet可以注入本地模式的WebSocketNode
             boolean ws1 = WebSocketServlet.class.isAssignableFrom(o1.getType());
             boolean ws2 = WebSocketServlet.class.isAssignableFrom(o2.getType());
-            if (ws1 == ws2) return o1.getType().getName().compareTo(o2.getType().getName());
+            if (ws1 == ws2) {
+                Priority p1 = o1.getType().getAnnotation(Priority.class);
+                Priority p2 = o2.getType().getAnnotation(Priority.class);
+                int v = (p1 == null ? 0 : p1.value()) - (p2 == null ? 0 : p2.value());
+                return v == 0 ? o1.getType().getName().compareTo(o2.getType().getName()) : 0;
+            }
             return ws1 ? -1 : 1;
         });
         final List<AbstractMap.SimpleEntry<String, String[]>> ss = sb == null ? null : new ArrayList<>();

src/org/redkale/boot/NodeServer.java

@@ -345,7 +345,7 @@ public abstract class NodeServer {
                     } else {
                         service = Sncp.createRemoteService(serverClassLoader, resourceName, serviceImplClass, appTransportFactory, NodeServer.this.sncpAddress, groups, entry.getProperty());
                     }
-                    if (SncpClient.parseMethod(serviceImplClass).isEmpty()) return; //class没有可用的方法， 通常为BaseService
+                    if (SncpClient.parseMethod(serviceImplClass).isEmpty() && serviceImplClass.getAnnotation(Priority.class) == null) return; //class没有可用的方法且没有标记启动优先级的， 通常为BaseService
 
                     final Class restype = Sncp.getResourceType(service);
                     if (rf.find(resourceName, restype) == null) {
@@ -398,6 +398,11 @@ public abstract class NodeServer {
         //----------------- init -----------------
         List<Service> swlist = new ArrayList<>(localServices);
         Collections.sort(swlist, (o1, o2) -> {
+            Priority p1 = o1.getClass().getAnnotation(Priority.class);
+            Priority p2 = o2.getClass().getAnnotation(Priority.class);
+            int v1 = p1 == null ? 0 : p1.value();
+            int v2 = p2 == null ? 0 : p2.value();
+            if (v1 != v2) return v1 - v2;
             int rs = Sncp.getResourceType(o1).getName().compareTo(Sncp.getResourceType(o2).getName());
             if (rs == 0) rs = Sncp.getResourceName(o1).compareTo(Sncp.getResourceName(o2));
             return rs;
@@ -406,7 +411,7 @@ public abstract class NodeServer {
         localServices.addAll(swlist);
         final List<String> slist = sb == null ? null : new CopyOnWriteArrayList<>();
         CountDownLatch clds = new CountDownLatch(localServices.size());
-        localServices.parallelStream().forEach(y -> {
+        localServices.stream().forEach(y -> {
             try {
                 long s = System.currentTimeMillis();
                 y.init(Sncp.getConf(y));
@@ -420,7 +425,6 @@ public abstract class NodeServer {
         clds.await();
         if (slist != null && sb != null) {
             List<String> wlist = new ArrayList<>(slist); //直接使用CopyOnWriteArrayList偶尔会出现莫名的异常(CopyOnWriteArrayList源码1185行)
-            Collections.sort(wlist);
             for (String s : wlist) {
                 sb.append(s);
             }

src/org/redkale/net/Filter.java

@@ -33,18 +33,11 @@ public abstract class Filter<C extends Context, R extends Request<C>, P extends
     public void destroy(C context, AnyValue config) {
     }
 
-    /**
-     * 值越小越靠前执行
-     *
-     * @return int
-     */
-    public int getIndex() {
-        return 0;
-    }
-
     @Override
     public final int compareTo(Object o) {
         if (!(o instanceof Filter)) return 1;
-        return this.getIndex() - ((Filter) o).getIndex();
+        Priority p1 = this.getClass().getAnnotation(Priority.class);
+        Priority p2 = o.getClass().getAnnotation(Priority.class);
+        return (p1 == null ? 0 : p1.value()) - (p2 == null ? 0 : p2.value());
     }
 }

src/org/redkale/net/http/Rest.java

@@ -29,6 +29,7 @@ import org.redkale.source.Flipper;
  *
  * @author zhangjx
  */
+@SuppressWarnings("unchecked")
 public final class Rest {
 
     public static final String REST_HEADER_RESOURCE_NAME = "rest-resource-name";

src/org/redkale/util/Priority.java

@@ -0,0 +1,27 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.util;
+
+import java.lang.annotation.*;
+import static java.lang.annotation.ElementType.*;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+/**
+ * 优先级， 值越小越靠前执行
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+@Inherited
+@Documented
+@Target({TYPE, METHOD, FIELD})
+@Retention(RUNTIME)
+public @interface Priority {
+
+    int value() default 0;
+}