Merge pull request #3754, improve:change serviceMetadata order.

Author: qinliujie

dubbo-config/dubbo-config-api/src/main/java/org/apache/dubbo/config/ReferenceConfig.java

@@ -40,6 +40,7 @@
 import org.apache.dubbo.rpc.model.ApplicationModel;
 import org.apache.dubbo.rpc.model.ConsumerMethodModel;
 import org.apache.dubbo.rpc.model.ConsumerModel;
+import org.apache.dubbo.rpc.model.ServiceMetadata;
 import org.apache.dubbo.rpc.protocol.injvm.InjvmProtocol;
 import org.apache.dubbo.rpc.service.GenericService;
 import org.apache.dubbo.rpc.support.ProtocolUtils;
@@ -153,6 +154,8 @@ public class ReferenceConfig<T> extends AbstractReferenceConfig {
      */
     private transient volatile boolean destroyed;
 
+    private ServiceMetadata serviceMetadata;
+
     @SuppressWarnings("unused")
     private final Object finalizerGuardian = new Object() {
         @Override
@@ -174,9 +177,13 @@ protected void finalize() throws Throwable {
     };
 
     public ReferenceConfig() {
+        serviceMetadata = new ServiceMetadata();
+        serviceMetadata.addAttribute("ORIGIN_CONFIG", this);
     }
 
     public ReferenceConfig(Reference reference) {
+        serviceMetadata = new ServiceMetadata();
+        serviceMetadata.addAttribute("ORIGIN_CONFIG", this);
         appendAnnotation(Reference.class, reference);
         setMethods(MethodConfig.constructMethodConfig(reference.methods()));
     }
@@ -265,7 +272,18 @@ private void init() {
         checkStubAndLocal(interfaceClass);
         checkMock(interfaceClass);
 
+
+        //init serivceMetadata
+        serviceMetadata.setVersion(version);
+        serviceMetadata.setGroup(group);
+        serviceMetadata.setDefaultGroup(group);
+        serviceMetadata.setServiceType(interfaceClass);
+        serviceMetadata.setServiceInterfaceName(interfaceName);
+
+
+
         ConsumerModel consumerModel = new ConsumerModel(interfaceName, group, version, getActualInterface());
+
         ApplicationModel.initConsumerModel(URL.buildKey(interfaceName, group, version), consumerModel);
 
         Map<String, String> map = new HashMap<String, String>();
@@ -316,8 +334,11 @@ private void init() {
         }
         map.put(Constants.REGISTER_IP_KEY, hostToRegistry);
 
+        serviceMetadata.getAttachments().putAll(map);
+
         ref = createProxy(map);
 
+        serviceMetadata.setTarget(ref);
         consumerModel.getServiceMetadata().addAttribute(Constants.PROXY_CLASS_REF, ref);
     }
 

dubbo-config/dubbo-config-api/src/main/java/org/apache/dubbo/config/ServiceConfig.java

@@ -40,6 +40,7 @@
 import org.apache.dubbo.rpc.cluster.ConfiguratorFactory;
 import org.apache.dubbo.rpc.model.ApplicationModel;
 import org.apache.dubbo.rpc.model.ProviderModel;
+import org.apache.dubbo.rpc.model.ServiceMetadata;
 import org.apache.dubbo.rpc.service.GenericService;
 import org.apache.dubbo.rpc.support.ProtocolUtils;
 
@@ -165,10 +166,16 @@ public class ServiceConfig<T> extends AbstractServiceConfig {
      */
     private volatile String generic;
 
+    private ServiceMetadata serviceMetadata;
+
     public ServiceConfig() {
+        serviceMetadata = new ServiceMetadata();
+        serviceMetadata.addAttribute("ORIGIN_CONFIG", this);
     }
 
     public ServiceConfig(Service service) {
+        serviceMetadata = new ServiceMetadata();
+        serviceMetadata.addAttribute("ORIGIN_CONFIG", this);
         appendAnnotation(Service.class, service);
         setMethods(MethodConfig.constructMethodConfig(service.methods()));
     }
@@ -334,6 +341,17 @@ private void appendParameters() {
     public synchronized void export() {
         checkAndUpdateSubConfigs();
 
+        //init serviceMetadata
+        serviceMetadata.setVersion(version);
+        serviceMetadata.setGroup(group);
+        serviceMetadata.setDefaultGroup(group);
+        serviceMetadata.setServiceType(interfaceClass);
+        serviceMetadata.setServiceInterfaceName(interfaceName);
+        serviceMetadata.setTarget(ref);
+
+        ProviderModel providerModel = new ProviderModel(ref, serviceMetadata);
+        ApplicationModel.initProviderModel(URL.buildKey(interfaceName, group, version), providerModel);
+
         if (!shouldExport()) {
             return;
         }
@@ -379,8 +397,7 @@ protected synchronized void doExport() {
         if (StringUtils.isEmpty(path)) {
             path = interfaceName;
         }
-        ProviderModel providerModel = new ProviderModel(interfaceName, group, version, ref, interfaceClass);
-        ApplicationModel.initProviderModel(URL.buildKey(interfaceName, group, version), providerModel);
+
         doExportUrls();
     }
 
@@ -518,6 +535,9 @@ private void doExportUrlsFor1Protocol(ProtocolConfig protocolConfig, List<URL> r
                 map.put(Constants.TOKEN_KEY, token);
             }
         }
+        //init serviceMetadata attachments
+        serviceMetadata.getAttachments().putAll(map);
+
         // export service
         String host = this.findConfigedHosts(protocolConfig, registryURLs, map);
         Integer port = this.findConfigedPorts(protocolConfig, name, map);

dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/model/ConsumerModel.java

@@ -39,6 +39,14 @@ public ConsumerModel(String serviceName, String group, String version, Class<?>
         }
     }
 
+    public ConsumerModel(ServiceMetadata serviceMetadata) {
+        this.serviceMetadata = serviceMetadata;
+        Method[] methods = serviceMetadata.getServiceType().getMethods();
+        for (Method method : methods) {
+            methodModels.put(method, new ConsumerMethodModel(method));
+        }
+    }
+
     /**
      * @return serviceMetadata
      */

dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/model/ProviderModel.java

@@ -19,6 +19,7 @@
 import java.lang.reflect.Method;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -29,6 +30,7 @@
 public class ProviderModel {
     private final Object serviceInstance;
     private final ServiceMetadata serviceMetadata;
+    private final String serivceKey;
     private final Map<String, List<ProviderMethodModel>> methods = new HashMap<String, List<ProviderMethodModel>>();
 
     public ProviderModel(String serviceName, String group, String version, Object serviceInstance, Class<?> serviceInterfaceClass) {
@@ -38,9 +40,16 @@ public ProviderModel(String serviceName, String group, String version, Object se
 
         this.serviceInstance = serviceInstance;
         this.serviceMetadata = new ServiceMetadata(serviceName, group, version, serviceInterfaceClass);
+        this.serivceKey = serviceMetadata.getServiceKey();
         initMethod(serviceInterfaceClass);
     }
 
+    public ProviderModel(Object serviceInstance, ServiceMetadata serviceMetadata) {
+        this.serviceInstance = serviceInstance;
+        this.serviceMetadata = serviceMetadata;
+        this.serivceKey = serviceMetadata.getServiceKey();
+        initMethod(serviceMetadata.getServiceType());
+    }
 
     public String getServiceName() {
         return this.serviceMetadata.getServiceKey();
@@ -75,20 +84,21 @@ public ProviderMethodModel getMethodModel(String methodName, String[] argTypes)
     }
 
     public List<ProviderMethodModel> getMethodModelList(String methodName) {
-        return methods.get(methodName);
+        List<ProviderMethodModel> resultList = methods.get(methodName);
+        return resultList == null ? Collections.emptyList() : resultList;
     }
 
 
     private void initMethod(Class<?> serviceInterfaceClass) {
-        Method[] methodsToExport = null;
+        Method[] methodsToExport;
         methodsToExport = serviceInterfaceClass.getMethods();
 
         for (Method method : methodsToExport) {
             method.setAccessible(true);
 
             List<ProviderMethodModel> methodModels = methods.get(method.getName());
             if (methodModels == null) {
-                methodModels = new ArrayList<ProviderMethodModel>(1);
+                methodModels = new ArrayList<ProviderMethodModel>();
                 methods.put(method.getName(), methodModels);
             }
             methodModels.add(new ProviderMethodModel(method));

dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/model/ServiceMetadata.java

@@ -25,14 +25,16 @@
  */
 public class ServiceMetadata {
 
-    private final String serviceKey;
-    private final String serviceInterfaceName;
-    private final String defaultGroup;
-    private final String version;
-    private final Class<?> serviceType;
+    private String serviceKey;
+    private String serviceInterfaceName;
+    private String defaultGroup;
+    private String version;
+    private Class<?> serviceType;
 
     private volatile String group;
 
+    private Object target;
+
     /* will be transferred to remote side */
     private final Map<String, Object> attachments = new ConcurrentHashMap<String, Object>();
     /* used locally*/
@@ -47,17 +49,20 @@ public ServiceMetadata(String serviceInterfaceName, String group, String version
         this.serviceType = serviceType;
     }
 
+    public ServiceMetadata() {
+    }
+
     public String getServiceKey() {
-        return serviceKey;
+        return serviceInterfaceName + ":" + version;
     }
 
     public Map<String, Object> getAttachments() {
         return attachments;
     }
 
-//    public Map<String, Object> getAttributeMap() {
-//        return attributeMap;
-//    }
+    public Map<String, Object> getAttributeMap() {
+        return attributeMap;
+    }
 
     public Object getAttribute(String key) {
         return attributeMap.get(key);
@@ -94,4 +99,32 @@ public String getGroup() {
     public void setGroup(String group) {
         this.group = group;
     }
+
+    public void setServiceInterfaceName(String serviceInterfaceName) {
+        this.serviceInterfaceName = serviceInterfaceName;
+    }
+
+    public void setDefaultGroup(String defaultGroup) {
+        this.defaultGroup = defaultGroup;
+    }
+
+    public void setVersion(String version) {
+        this.version = version;
+    }
+
+    public void setServiceType(Class<?> serviceType) {
+        this.serviceType = serviceType;
+    }
+
+    public void setServiceKey(String serviceKey) {
+        this.serviceKey = serviceKey;
+    }
+
+    public Object getTarget() {
+        return target;
+    }
+
+    public void setTarget(Object target) {
+        this.target = target;
+    }
 }