src/META-INF/application-template.xml

@@ -86,7 +86,8 @@
         bufferPoolSize： ByteBuffer池的大小，默认: CPU核数*512
         responsePoolSize： Response池的大小，默认: CPU核数*256
         readTimeoutSecond: 读操作超时秒数， 默认0， 表示永久不超时
-        writeTimeoutSecond:  写操作超时秒数， 默认0， 表示永久不超时        
+        writeTimeoutSecond:  写操作超时秒数， 默认0， 表示永久不超时
+        nodeInterceptor: 启动/关闭NodeServer时被调用的拦截器实现类，必须是org.redkale.boot.NodeInterceptor的子类，默认为null
     -->
     <server protocol="HTTP" host="127.0.0.1" port="6060" root="root" lib=""> 
         

src/org/redkale/boot/NodeInterceptor.java

@@ -0,0 +1,21 @@
+/*
+ * 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.boot;
+
+/**
+ *
+ * @author zhangjx
+ */
+public class NodeInterceptor {
+
+    public void preStart(NodeServer server) {
+
+    }
+
+    public void preShutdown(NodeServer server) {
+
+    }
+}

src/org/redkale/boot/NodeServer.java

@@ -6,6 +6,7 @@
 package org.redkale.boot;
 
 import java.io.*;
+import static java.lang.Class.forName;
 import java.lang.annotation.Annotation;
 import java.lang.reflect.*;
 import java.net.InetSocketAddress;
@@ -65,6 +66,8 @@ public abstract class NodeServer {
 
     protected AnyValue serverConf;
 
+    protected NodeInterceptor interceptor;
+
     protected final Set<ServiceWrapper> localServiceWrappers = new LinkedHashSet<>();
 
     protected final Set<ServiceWrapper> remoteServiceWrappers = new LinkedHashSet<>();
@@ -139,7 +142,11 @@ public abstract class NodeServer {
         }
 
         initResource(); //给 DataSource、CacheSource 注册依赖注入时的监听回调事件。
-
+        String interceptorClass = config.getValue("nodeInterceptor", "");
+        if (!interceptorClass.isEmpty()) {
+            Class clazz = forName(interceptorClass);
+            this.interceptor = (NodeInterceptor) clazz.newInstance();
+        }
         ClassFilter<Servlet> servletFilter = createServletClassFilter();
         ClassFilter<Service> serviceFilter = createServiceClassFilter();
         long s = System.currentTimeMillis();
@@ -203,7 +210,7 @@ public abstract class NodeServer {
             } catch (Exception e) {
                 logger.log(Level.SEVERE, "DataSource inject error", e);
             }
-        },DataSource.class);
+        }, DataSource.class);
         resourceFactory.register((ResourceFactory rf, final Object src, final String resourceName, Field field, final Object attachment) -> {
             try {
                 if (field.getAnnotation(Resource.class) == null) return;
@@ -252,7 +259,7 @@ public abstract class NodeServer {
             } catch (Exception e) {
                 logger.log(Level.SEVERE, "DataSource inject error", e);
             }
-        },CacheSource.class);
+        }, CacheSource.class);
     }
 
     @SuppressWarnings("unchecked")
@@ -272,9 +279,9 @@ public abstract class NodeServer {
             if (groups.isEmpty() && isSNCP() && this.sncpGroup != null) groups.add(this.sncpGroup);
 
             final boolean localed = (this.sncpAddress == null && entry.isEmptyGroups() && !type.isInterface() && !Modifier.isAbstract(type.getModifiers())) //非SNCP的Server，通常是单点服务
-                    || groups.contains(this.sncpGroup) //本地IP含在内的
+                || groups.contains(this.sncpGroup) //本地IP含在内的
-                    || (this.sncpGroup == null && entry.isEmptyGroups()) //空的SNCP配置
+                || (this.sncpGroup == null && entry.isEmptyGroups()) //空的SNCP配置
-                    || type.getAnnotation(LocalService.class) != null;//本地模式
+                || type.getAnnotation(LocalService.class) != null;//本地模式
             if (localed && (type.isInterface() || Modifier.isAbstract(type.getModifiers()))) continue; //本地模式不能实例化接口和抽象类的Service类
 
             Service service;
@@ -283,7 +290,7 @@ public abstract class NodeServer {
             } else {
                 service = Sncp.createRemoteService(entry.getName(), getExecutor(), type, this.sncpAddress, loadTransport(groups));
             }
-            if(SncpClient.parseMethod(type).isEmpty()) continue; //class没有可用的方法， 通常为BaseService
+            if (SncpClient.parseMethod(type).isEmpty()) continue; //class没有可用的方法， 通常为BaseService
             final ServiceWrapper wrapper = new ServiceWrapper(type, service, entry.getName(), localed ? this.sncpGroup : null, groups, entry.getProperty());
             for (final Class restype : wrapper.getTypes()) {
                 if (resourceFactory.find(wrapper.getName(), restype) == null) {
@@ -360,7 +367,7 @@ public abstract class NodeServer {
         transports.forEach(t -> addrs.addAll(Arrays.asList(t.getRemoteAddresses())));
         Transport first = transports.get(0);
         Transport newTransport = new Transport(groupid, application.findGroupProtocol(first.getName()), application.getWatchFactory(),
-                application.transportBufferPool, application.transportChannelGroup, this.sncpAddress, addrs);
+            application.transportBufferPool, application.transportChannelGroup, this.sncpAddress, addrs);
         synchronized (application.resourceFactory) {
             transport = application.resourceFactory.find(groupid, Transport.class);
             if (transport == null) {
@@ -385,7 +392,7 @@ public abstract class NodeServer {
             Set<InetSocketAddress> addrs = application.findGlobalGroup(group);
             if (addrs == null) throw new RuntimeException("Not found <group> = " + group + " on <resources> ");
             transport = new Transport(group, application.findGroupProtocol(group), application.getWatchFactory(),
-                    application.transportBufferPool, application.transportChannelGroup, this.sncpAddress, addrs);
+                application.transportBufferPool, application.transportChannelGroup, this.sncpAddress, addrs);
             application.resourceFactory.register(group, transport);
         }
         return transport;
@@ -398,7 +405,7 @@ public abstract class NodeServer {
     }
 
     protected ClassFilter createClassFilter(final String localGroup, Class<? extends Annotation> ref,
-            Class inter, Class<? extends Annotation> ref2, String properties, String property) {
+                                            Class inter, Class<? extends Annotation> ref2, String properties, String property) {
         ClassFilter cf = new ClassFilter(ref, inter, null);
         if (properties == null && properties == null) return cf;
         if (this.serverConf == null) return cf;
@@ -473,10 +480,12 @@ public abstract class NodeServer {
     }
 
     public void start() throws IOException {
+        if (interceptor != null) interceptor.preStart(this);
         server.start();
     }
 
     public void shutdown() throws IOException {
+        if (interceptor != null) interceptor.preShutdown(this);
         final StringBuilder sb = logger.isLoggable(Level.INFO) ? new StringBuilder() : null;
         localServiceWrappers.forEach(y -> {
             long s = System.currentTimeMillis();
@@ -490,4 +499,16 @@ public abstract class NodeServer {
         server.shutdown();
     }
 
+    public <T extends Server> T getServer() {
+        return (T) server;
+    }
+
+    public Set<ServiceWrapper> getLocalServiceWrappers() {
+        return new LinkedHashSet<>(localServiceWrappers);
+    }
+
+    public Set<ServiceWrapper> getRemoteServiceWrappers() {
+        return new LinkedHashSet<>(remoteServiceWrappers);
+    }
+
 }