Support customized origin parser in Apache Dubbo 2.7.x adapter and unify config (#1617)

* Support customized origin parser in Apache Dubbo 2.7.x adapter
* Unify Dubbo callback registry (for fallback and origin parser) into DubboAdapterGlobalConfig
* Polish default fallback implementation (wrap exception with RpcResult rather than directly throw it out)

sentinel-adapter/sentinel-apache-dubbo-adapter/README.md

@@ -52,17 +52,21 @@ If `limitApp` of flow rules is not configured (`default`), flow control will tak
 If `limitApp` of a flow rule is configured with a caller, then the corresponding flow rule will only take effect on the specific caller.
 
 > Note: Dubbo consumer does not provide its Dubbo application name when doing RPC,
-so developers should manually put the application name into *attachment* at consumer side,
-then extract it at provider side. Sentinel Dubbo Adapter has implemented a filter (`DubboAppContextFilter`)
-where consumer can carry application name information to provider automatically.
-If the consumer does not use Sentinel Dubbo Adapter but requires flow control based on caller, developers can manually put the application name into attachment with the key `dubboApplication`.
+> so developers should manually put the application name into *attachment* at consumer side,
+> then extract it at provider side. Sentinel Dubbo Adapter has implemented a filter (`DubboAppContextFilter`)
+> where consumer can carry application name information to provider automatically.
+> If the consumer does not use Sentinel Dubbo Adapter but requires flow control based on caller,
+> developers can manually put the application name into attachment with the key `dubboApplication`.
+>
+> Since 1.8.0, the adapter provides support for customizing origin parsing logic. You may register your own `DubboOriginParser`
+> implementation to `DubboAdapterGlobalConfig`.
 
 ## Global fallback
 
 Sentinel Dubbo Adapter supports global fallback configuration.
 The global fallback will handle exceptions and give replacement result when blocked by
 flow control, degrade or system load protection. You can implement your own `DubboFallback` interface
-and then register to `DubboFallbackRegistry`. If no fallback is configured, Sentinel will wrap the `BlockException`
-then directly throw it out.
+and then register to `DubboAdapterGlobalConfig`.
+If no fallback is configured, Sentinel will wrap the `BlockException` as the fallback result.
 
 Besides, we can also leverage [Dubbo mock mechanism](http://dubbo.apache.org/en-us/docs/user/demos/local-mock.html) to provide fallback implementation of degraded Dubbo services.

sentinel-adapter/sentinel-apache-dubbo-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/dubbo/BaseSentinelDubboFilter.java

@@ -36,7 +36,7 @@ public abstract class BaseSentinelDubboFilter implements Filter {
      * @param invocation
      * @return
      */
-    abstract String getMethodName(Invoker invoker, Invocation invocation);
+    abstract String getMethodName(Invoker invoker, Invocation invocation, String prefix);
 
     /**
      * Get interface name of dubbo rpc
@@ -44,7 +44,7 @@ public abstract class BaseSentinelDubboFilter implements Filter {
      * @param invoker
      * @return
      */
-    abstract String getInterfaceName(Invoker invoker);
+    abstract String getInterfaceName(Invoker invoker, String prefix);
 
 
 }

sentinel-adapter/sentinel-apache-dubbo-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/dubbo/DubboUtils.java

@@ -15,7 +15,7 @@
  */
 package com.alibaba.csp.sentinel.adapter.dubbo;
 
-import com.alibaba.csp.sentinel.adapter.dubbo.config.DubboConfig;
+import com.alibaba.csp.sentinel.adapter.dubbo.config.DubboAdapterGlobalConfig;
 import com.alibaba.csp.sentinel.util.StringUtil;
 import org.apache.dubbo.rpc.Invocation;
 import org.apache.dubbo.rpc.Invoker;
@@ -34,11 +34,11 @@ public final class DubboUtils {
         return invocation.getAttachment(SENTINEL_DUBBO_APPLICATION_KEY, defaultValue);
     }
 
-    public static String getResourceName(Invoker<?> invoker, Invocation invocation){
-        return getResourceName(invoker, invocation, false);
+    public static String getMethodResourceName(Invoker<?> invoker, Invocation invocation){
+        return getMethodResourceName(invoker, invocation, false);
     }
 
-    public static String getResourceName(Invoker<?> invoker, Invocation invocation, Boolean useGroupAndVersion) {
+    public static String getMethodResourceName(Invoker<?> invoker, Invocation invocation, Boolean useGroupAndVersion) {
         StringBuilder buf = new StringBuilder(64);
         String interfaceResource = useGroupAndVersion ? invoker.getUrl().getColonSeparatedKey() : invoker.getInterface().getName();
         buf.append(interfaceResource)
@@ -57,23 +57,39 @@ public final class DubboUtils {
         return buf.toString();
     }
 
-    public static String getResourceName(Invoker<?> invoker, Invocation invocation, String prefix) {
+    public static String getMethodResourceName(Invoker<?> invoker, Invocation invocation, String prefix) {
         if (StringUtil.isNotBlank(prefix)) {
             return new StringBuilder(64)
                     .append(prefix)
-                    .append(getResourceName(invoker, invocation, DubboConfig.getDubboInterfaceGroupAndVersionEnabled()))
+                    .append(getMethodResourceName(invoker, invocation, DubboAdapterGlobalConfig.getDubboInterfaceGroupAndVersionEnabled()))
                     .toString();
         } else {
-            return getResourceName(invoker, invocation, DubboConfig.getDubboInterfaceGroupAndVersionEnabled());
+            return getMethodResourceName(invoker, invocation, DubboAdapterGlobalConfig.getDubboInterfaceGroupAndVersionEnabled());
         }
     }
 
 
     public static String getInterfaceName(Invoker invoker) {
-        return DubboConfig.getDubboInterfaceGroupAndVersionEnabled() ? invoker.getUrl().getColonSeparatedKey()
-                : invoker.getInterface().getName();
+        return getInterfaceName(invoker, false);
     }
 
+    public static String getInterfaceName(Invoker<?> invoker, Boolean useGroupAndVersion) {
+        StringBuilder buf = new StringBuilder(64);
+        return useGroupAndVersion ? invoker.getUrl().getColonSeparatedKey() : invoker.getInterface().getName();
+    }
+
+    public static String getInterfaceName(Invoker<?> invoker, String prefix) {
+        if (StringUtil.isNotBlank(prefix)) {
+            return new StringBuilder(64)
+                    .append(prefix)
+                    .append(getInterfaceName(invoker, DubboAdapterGlobalConfig.getDubboInterfaceGroupAndVersionEnabled()))
+                    .toString();
+        } else {
+            return getInterfaceName(invoker, DubboAdapterGlobalConfig.getDubboInterfaceGroupAndVersionEnabled());
+        }
+    }
+
+
     private DubboUtils() {
     }
 }

sentinel-adapter/sentinel-apache-dubbo-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/dubbo/SentinelDubboConsumerFilter.java

@@ -15,21 +15,12 @@
  */
 package com.alibaba.csp.sentinel.adapter.dubbo;
 
-import com.alibaba.csp.sentinel.Entry;
-import com.alibaba.csp.sentinel.EntryType;
-import com.alibaba.csp.sentinel.ResourceTypeConstants;
-import com.alibaba.csp.sentinel.SphU;
-import com.alibaba.csp.sentinel.Tracer;
-import com.alibaba.csp.sentinel.adapter.dubbo.config.DubboConfig;
-import com.alibaba.csp.sentinel.adapter.dubbo.fallback.DubboFallbackRegistry;
+import com.alibaba.csp.sentinel.*;
+import com.alibaba.csp.sentinel.adapter.dubbo.config.DubboAdapterGlobalConfig;
 import com.alibaba.csp.sentinel.log.RecordLog;
 import com.alibaba.csp.sentinel.slots.block.BlockException;
 import org.apache.dubbo.common.extension.Activate;
-import org.apache.dubbo.rpc.Invocation;
-import org.apache.dubbo.rpc.InvokeMode;
-import org.apache.dubbo.rpc.Invoker;
-import org.apache.dubbo.rpc.Result;
-import org.apache.dubbo.rpc.RpcException;
+import org.apache.dubbo.rpc.*;
 import org.apache.dubbo.rpc.support.RpcUtils;
 
 import java.util.LinkedList;
@@ -56,13 +47,13 @@ public class SentinelDubboConsumerFilter extends BaseSentinelDubboFilter {
     }
 
     @Override
-    String getMethodName(Invoker invoker, Invocation invocation) {
-        return DubboUtils.getResourceName(invoker, invocation, DubboConfig.getDubboConsumerPrefix());
+    String getMethodName(Invoker invoker, Invocation invocation, String prefix) {
+        return DubboUtils.getMethodResourceName(invoker, invocation, prefix);
     }
 
     @Override
-    String getInterfaceName(Invoker invoker) {
-        return DubboUtils.getInterfaceName(invoker);
+    String getInterfaceName(Invoker invoker, String prefix) {
+        return DubboUtils.getInterfaceName(invoker, prefix);
     }
 
     @Override
@@ -79,8 +70,9 @@ public class SentinelDubboConsumerFilter extends BaseSentinelDubboFilter {
     private Result syncInvoke(Invoker<?> invoker, Invocation invocation) {
         Entry interfaceEntry = null;
         Entry methodEntry = null;
-        String methodResourceName = getMethodName(invoker, invocation);
-        String interfaceResourceName = getInterfaceName(invoker);
+        String prefix = DubboAdapterGlobalConfig.getDubboConsumerResNamePrefixKey();
+        String interfaceResourceName = getInterfaceName(invoker, prefix);
+        String methodResourceName = getMethodName(invoker, invocation, prefix);
         try {
             interfaceEntry = SphU.entry(interfaceResourceName, ResourceTypeConstants.COMMON_RPC, EntryType.OUT);
             methodEntry = SphU.entry(methodResourceName, ResourceTypeConstants.COMMON_RPC, EntryType.OUT, invocation.getArguments());
@@ -91,7 +83,7 @@ public class SentinelDubboConsumerFilter extends BaseSentinelDubboFilter {
             }
             return result;
         } catch (BlockException e) {
-            return DubboFallbackRegistry.getConsumerFallback().handle(invoker, invocation, e);
+            return DubboAdapterGlobalConfig.getConsumerFallback().handle(invoker, invocation, e);
         } catch (RpcException e) {
             Tracer.traceEntry(e, interfaceEntry);
             Tracer.traceEntry(e, methodEntry);
@@ -109,8 +101,9 @@ public class SentinelDubboConsumerFilter extends BaseSentinelDubboFilter {
 
     private Result asyncInvoke(Invoker<?> invoker, Invocation invocation) {
         LinkedList<EntryHolder> queue = new LinkedList<>();
-        String methodResourceName = getMethodName(invoker, invocation);
-        String interfaceResourceName = getInterfaceName(invoker);
+        String prefix = DubboAdapterGlobalConfig.getDubboConsumerResNamePrefixKey();
+        String interfaceResourceName = getInterfaceName(invoker, prefix);
+        String methodResourceName = getMethodName(invoker, invocation, prefix);
         try {
             queue.push(new EntryHolder(SphU.asyncEntry(interfaceResourceName, ResourceTypeConstants.COMMON_RPC, EntryType.OUT), null));
             queue.push(new EntryHolder(SphU.asyncEntry(methodResourceName, ResourceTypeConstants.COMMON_RPC, EntryType.OUT, 1, invocation.getArguments()), invocation.getArguments()));
@@ -130,7 +123,7 @@ public class SentinelDubboConsumerFilter extends BaseSentinelDubboFilter {
             while (!queue.isEmpty()) {
                 exitEntry(queue.pop());
             }
-            return DubboFallbackRegistry.getConsumerFallback().handle(invoker, invocation, e);
+            return DubboAdapterGlobalConfig.getConsumerFallback().handle(invoker, invocation, e);
         }
     }
 

sentinel-adapter/sentinel-apache-dubbo-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/dubbo/SentinelDubboProviderFilter.java

@@ -15,18 +15,12 @@
  */
 package com.alibaba.csp.sentinel.adapter.dubbo;
 
-import com.alibaba.csp.sentinel.Entry;
-import com.alibaba.csp.sentinel.EntryType;
-import com.alibaba.csp.sentinel.ResourceTypeConstants;
-import com.alibaba.csp.sentinel.SphU;
-import com.alibaba.csp.sentinel.Tracer;
-import com.alibaba.csp.sentinel.adapter.dubbo.config.DubboConfig;
-import com.alibaba.csp.sentinel.adapter.dubbo.fallback.DubboFallbackRegistry;
+import com.alibaba.csp.sentinel.*;
+import com.alibaba.csp.sentinel.adapter.dubbo.config.DubboAdapterGlobalConfig;
 import com.alibaba.csp.sentinel.context.ContextUtil;
 import com.alibaba.csp.sentinel.log.RecordLog;
 import com.alibaba.csp.sentinel.slots.block.BlockException;
 import org.apache.dubbo.common.extension.Activate;
-import org.apache.dubbo.rpc.Filter;
 import org.apache.dubbo.rpc.Invocation;
 import org.apache.dubbo.rpc.Invoker;
 import org.apache.dubbo.rpc.Result;
@@ -54,27 +48,31 @@ public class SentinelDubboProviderFilter extends BaseSentinelDubboFilter {
     }
 
     @Override
-    String getMethodName(Invoker invoker, Invocation invocation) {
-        return DubboUtils.getResourceName(invoker, invocation, DubboConfig.getDubboProviderPrefix());
+    String getMethodName(Invoker invoker, Invocation invocation, String prefix) {
+        return DubboUtils.getMethodResourceName(invoker, invocation, prefix);
     }
 
     @Override
-    String getInterfaceName(Invoker invoker) {
-        return DubboUtils.getInterfaceName(invoker);
+    String getInterfaceName(Invoker invoker, String prefix) {
+        return DubboUtils.getInterfaceName(invoker, prefix);
     }
 
     @Override
     public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
         // Get origin caller.
-        String application = DubboUtils.getApplication(invocation, "");
+        String origin = DubboAdapterGlobalConfig.getOriginParser().parse(invoker, invocation);
+        if (null == origin) {
+            origin = "";
+        }
         Entry interfaceEntry = null;
         Entry methodEntry = null;
-        String methodResourceName = getMethodName(invoker, invocation);
-        String interfaceResourceName = getInterfaceName(invoker);
+        String prefix = DubboAdapterGlobalConfig.getDubboProviderResNamePrefixKey();
+        String interfaceResourceName = getInterfaceName(invoker, prefix);
+        String methodResourceName = getMethodName(invoker, invocation, prefix);
         try {
             // Only need to create entrance context at provider side, as context will take effect
             // at entrance of invocation chain only (for inbound traffic).
-            ContextUtil.enter(methodResourceName, application);
+            ContextUtil.enter(methodResourceName, origin);
             interfaceEntry = SphU.entry(interfaceResourceName, ResourceTypeConstants.COMMON_RPC, EntryType.IN);
             methodEntry = SphU.entry(methodResourceName, ResourceTypeConstants.COMMON_RPC, EntryType.IN, invocation.getArguments());
             Result result = invoker.invoke(invocation);
@@ -84,7 +82,7 @@ public class SentinelDubboProviderFilter extends BaseSentinelDubboFilter {
             }
             return result;
         } catch (BlockException e) {
-            return DubboFallbackRegistry.getProviderFallback().handle(invoker, invocation, e);
+            return DubboAdapterGlobalConfig.getProviderFallback().handle(invoker, invocation, e);
         } catch (RpcException e) {
             Tracer.traceEntry(e, interfaceEntry);
             Tracer.traceEntry(e, methodEntry);

sentinel-adapter/sentinel-apache-dubbo-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/dubbo/config/DubboAdapterGlobalConfig.java

@@ -0,0 +1,128 @@
+/*
+ * Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.csp.sentinel.adapter.dubbo.config;
+
+import com.alibaba.csp.sentinel.adapter.dubbo.fallback.DefaultDubboFallback;
+import com.alibaba.csp.sentinel.adapter.dubbo.fallback.DubboFallback;
+import com.alibaba.csp.sentinel.adapter.dubbo.origin.DefaultDubboOriginParser;
+import com.alibaba.csp.sentinel.adapter.dubbo.origin.DubboOriginParser;
+import com.alibaba.csp.sentinel.config.SentinelConfig;
+import com.alibaba.csp.sentinel.util.AssertUtil;
+import com.alibaba.csp.sentinel.util.StringUtil;
+
+/**
+ * <p>
+ * Responsible for dubbo service provider, consumer attribute configuration
+ * </p>
+ *
+ * @author lianglin
+ * @since 1.7.0
+ */
+public final class DubboAdapterGlobalConfig {
+
+    private static final String TRUE_STR = "true";
+
+    public static final String DUBBO_RES_NAME_WITH_PREFIX_KEY = "csp.sentinel.dubbo.resource.use.prefix";
+    public static final String DUBBO_PROVIDER_RES_NAME_PREFIX_KEY = "csp.sentinel.dubbo.resource.provider.prefix";
+    public static final String DUBBO_CONSUMER_RES_NAME_PREFIX_KEY = "csp.sentinel.dubbo.resource.consumer.prefix";
+
+    private static final String DEFAULT_DUBBO_PROVIDER_PREFIX = "dubbo:provider:";
+    private static final String DEFAULT_DUBBO_CONSUMER_PREFIX = "dubbo:consumer:";
+
+    public static final String DUBBO_INTERFACE_GROUP_VERSION_ENABLED = "csp.sentinel.dubbo.interface.group.version.enabled";
+    public static final String TRACE_BIZ_EXCEPTION_ENABLED = "csp.sentinel.dubbo.trace.biz.exception.enabled";
+
+    private static volatile DubboFallback consumerFallback = new DefaultDubboFallback();
+    private static volatile DubboFallback providerFallback = new DefaultDubboFallback();
+    private static volatile DubboOriginParser originParser = new DefaultDubboOriginParser();
+
+
+    public static boolean isUsePrefix() {
+        return TRUE_STR.equalsIgnoreCase(SentinelConfig.getConfig(DUBBO_RES_NAME_WITH_PREFIX_KEY));
+    }
+
+    public static String getDubboProviderResNamePrefixKey() {
+        if (isUsePrefix()) {
+            String config = SentinelConfig.getConfig(DUBBO_PROVIDER_RES_NAME_PREFIX_KEY);
+            return StringUtil.isNotBlank(config) ? config : DEFAULT_DUBBO_PROVIDER_PREFIX;
+        }
+        return null;
+    }
+
+    public static String getDubboConsumerResNamePrefixKey() {
+        if (isUsePrefix()) {
+            String config = SentinelConfig.getConfig(DUBBO_CONSUMER_RES_NAME_PREFIX_KEY);
+            return StringUtil.isNotBlank(config) ? config : DEFAULT_DUBBO_CONSUMER_PREFIX;
+        }
+        return null;
+    }
+
+    public static Boolean getDubboInterfaceGroupAndVersionEnabled() {
+        return TRUE_STR.equalsIgnoreCase(SentinelConfig.getConfig(DUBBO_INTERFACE_GROUP_VERSION_ENABLED));
+    }
+
+    public static Boolean getDubboBizExceptionTraceEnabled() {
+        String traceBizExceptionEnabled = SentinelConfig.getConfig(TRACE_BIZ_EXCEPTION_ENABLED);
+        if (StringUtil.isNotBlank(traceBizExceptionEnabled)) {
+            return TRUE_STR.equalsIgnoreCase(traceBizExceptionEnabled);
+        }
+        return true;
+    }
+
+
+
+    public static DubboFallback getConsumerFallback() {
+        return consumerFallback;
+    }
+
+    public static void setConsumerFallback(DubboFallback consumerFallback) {
+        AssertUtil.notNull(consumerFallback, "consumerFallback cannot be null");
+        DubboAdapterGlobalConfig.consumerFallback = consumerFallback;
+    }
+
+    public static DubboFallback getProviderFallback() {
+        return providerFallback;
+    }
+
+    public static void setProviderFallback(DubboFallback providerFallback) {
+        AssertUtil.notNull(providerFallback, "providerFallback cannot be null");
+        DubboAdapterGlobalConfig.providerFallback = providerFallback;
+    }
+
+    /**
+     * Get the origin parser of Dubbo adapter.
+     *
+     * @return the origin parser
+     * @since 1.8.0
+     */
+    public static DubboOriginParser getOriginParser() {
+        return originParser;
+    }
+
+    /**
+     * Set the origin parser of Dubbo adapter.
+     *
+     * @param originParser the origin parser
+     * @since 1.8.0
+     */
+    public static void setOriginParser(DubboOriginParser originParser) {
+        AssertUtil.notNull(originParser, "originParser cannot be null");
+        DubboAdapterGlobalConfig.originParser = originParser;
+    }
+
+    private DubboAdapterGlobalConfig() {}
+
+}

sentinel-adapter/sentinel-apache-dubbo-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/dubbo/config/DubboConfig.java

@@ -1,77 +0,0 @@
-/*
- * Copyright 1999-2018 Alibaba Group Holding Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.alibaba.csp.sentinel.adapter.dubbo.config;
-
-import com.alibaba.csp.sentinel.config.SentinelConfig;
-import com.alibaba.csp.sentinel.util.StringUtil;
-
-/**
- * <p>
- * Responsible for dubbo service provider, consumer attribute configuration
- * </p>
- *
- * @author lianglin
- * @since 1.7.0
- */
-public final class DubboConfig {
-
-    public static final String DUBBO_USE_PREFIX = "csp.sentinel.dubbo.resource.use.prefix";
-    private static final String TRUE_STR = "true";
-
-    public static final String DUBBO_PROVIDER_PREFIX = "csp.sentinel.dubbo.resource.provider.prefix";
-    public static final String DUBBO_CONSUMER_PREFIX = "csp.sentinel.dubbo.resource.consumer.prefix";
-
-    private static final String DEFAULT_DUBBO_PROVIDER_PREFIX = "dubbo:provider:";
-    private static final String DEFAULT_DUBBO_CONSUMER_PREFIX = "dubbo:consumer:";
-
-    public static final String DUBBO_INTERFACE_GROUP_VERSION_ENABLED = "csp.sentinel.dubbo.interface.group.version.enabled";
-
-    public static final String TRACE_BIZ_EXCEPTION_ENABLED = "csp.sentinel.dubbo.trace.biz.exception.enabled";
-
-
-    public static boolean isUsePrefix() {
-        return TRUE_STR.equalsIgnoreCase(SentinelConfig.getConfig(DUBBO_USE_PREFIX));
-    }
-
-    public static String getDubboProviderPrefix() {
-        if (isUsePrefix()) {
-            String config = SentinelConfig.getConfig(DUBBO_PROVIDER_PREFIX);
-            return StringUtil.isNotBlank(config) ? config : DEFAULT_DUBBO_PROVIDER_PREFIX;
-        }
-        return null;
-    }
-
-    public static String getDubboConsumerPrefix() {
-        if (isUsePrefix()) {
-            String config = SentinelConfig.getConfig(DUBBO_CONSUMER_PREFIX);
-            return StringUtil.isNotBlank(config) ? config : DEFAULT_DUBBO_CONSUMER_PREFIX;
-        }
-        return null;
-    }
-
-    public static Boolean getDubboInterfaceGroupAndVersionEnabled() {
-        return TRUE_STR.equalsIgnoreCase(SentinelConfig.getConfig(DUBBO_INTERFACE_GROUP_VERSION_ENABLED));
-    }
-
-    public static Boolean getDubboBizExceptionTraceEnabled() {
-        String traceBizExceptionEnabled = SentinelConfig.getConfig(TRACE_BIZ_EXCEPTION_ENABLED);
-        if (StringUtil.isNotBlank(traceBizExceptionEnabled)) {
-            return TRUE_STR.equalsIgnoreCase(traceBizExceptionEnabled);
-        }
-        return true;
-    }
-
-}

sentinel-adapter/sentinel-apache-dubbo-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/dubbo/fallback/DefaultDubboFallback.java

@@ -17,7 +17,7 @@ package com.alibaba.csp.sentinel.adapter.dubbo.fallback;
 
 import com.alibaba.csp.sentinel.slots.block.BlockException;
 import com.alibaba.csp.sentinel.slots.block.SentinelRpcException;
-
+import org.apache.dubbo.rpc.AsyncRpcResult;
 import org.apache.dubbo.rpc.Invocation;
 import org.apache.dubbo.rpc.Invoker;
 import org.apache.dubbo.rpc.Result;
@@ -29,7 +29,7 @@ public class DefaultDubboFallback implements DubboFallback {
 
     @Override
     public Result handle(Invoker<?> invoker, Invocation invocation, BlockException ex) {
-        // Just wrap and throw the exception.
-        throw new SentinelRpcException(ex);
+        // Just wrap the exception.
+        return AsyncRpcResult.newDefaultAsyncResult(null, new SentinelRpcException(ex), invocation);
     }
 }

sentinel-adapter/sentinel-apache-dubbo-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/dubbo/fallback/DubboFallbackRegistry.java

@@ -15,6 +15,7 @@
  */
 package com.alibaba.csp.sentinel.adapter.dubbo.fallback;
 
+import com.alibaba.csp.sentinel.adapter.dubbo.config.DubboAdapterGlobalConfig;
 import com.alibaba.csp.sentinel.util.AssertUtil;
 
 /**
@@ -29,25 +30,22 @@ import com.alibaba.csp.sentinel.util.AssertUtil;
  */
 public final class DubboFallbackRegistry {
 
-    private static volatile DubboFallback consumerFallback = new DefaultDubboFallback();
-    private static volatile DubboFallback providerFallback = new DefaultDubboFallback();
-
     public static DubboFallback getConsumerFallback() {
-        return consumerFallback;
+        return DubboAdapterGlobalConfig.getConsumerFallback();
     }
 
     public static void setConsumerFallback(DubboFallback consumerFallback) {
         AssertUtil.notNull(consumerFallback, "consumerFallback cannot be null");
-        DubboFallbackRegistry.consumerFallback = consumerFallback;
+        DubboAdapterGlobalConfig.setConsumerFallback(consumerFallback);
     }
 
     public static DubboFallback getProviderFallback() {
-        return providerFallback;
+        return DubboAdapterGlobalConfig.getProviderFallback();
     }
 
     public static void setProviderFallback(DubboFallback providerFallback) {
         AssertUtil.notNull(providerFallback, "providerFallback cannot be null");
-        DubboFallbackRegistry.providerFallback = providerFallback;
+        DubboAdapterGlobalConfig.setProviderFallback(providerFallback);
     }
 
     private DubboFallbackRegistry() {}

sentinel-adapter/sentinel-apache-dubbo-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/dubbo/origin/DefaultDubboOriginParser.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright 1999-2020 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.csp.sentinel.adapter.dubbo.origin;
+
+import com.alibaba.csp.sentinel.adapter.dubbo.DubboUtils;
+import org.apache.dubbo.rpc.Invocation;
+import org.apache.dubbo.rpc.Invoker;
+
+/**
+ * Default Dubbo origin parser.
+ *
+ * @author jingzian
+ */
+public class DefaultDubboOriginParser implements DubboOriginParser {
+
+    @Override
+    public String parse(Invoker<?> invoker, Invocation invocation) {
+        return DubboUtils.getApplication(invocation, "");
+    }
+
+}

sentinel-adapter/sentinel-apache-dubbo-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/dubbo/origin/DubboOriginParser.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright 1999-2020 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.csp.sentinel.adapter.dubbo.origin;
+
+import com.alibaba.csp.sentinel.context.Context;
+import org.apache.dubbo.rpc.Invocation;
+import org.apache.dubbo.rpc.Invoker;
+
+/**
+ * Customized origin parser for Dubbo provider filter.{@link Context#getOrigin()}
+ *
+ * @author jingzian
+ */
+public interface DubboOriginParser {
+
+    /**
+     * Parses the origin (caller) from Dubbo invocation.
+     *
+     * @param invoker    Dubbo invoker
+     * @param invocation Dubbo invocation
+     * @return the parsed origin
+     */
+    String parse(Invoker<?> invoker, Invocation invocation);
+
+}

sentinel-adapter/sentinel-apache-dubbo-adapter/src/test/java/com/alibaba/csp/sentinel/BaseTest.java

@@ -15,9 +15,8 @@
  */
 package com.alibaba.csp.sentinel;
 
-import com.alibaba.csp.sentinel.adapter.dubbo.config.DubboConfig;
+import com.alibaba.csp.sentinel.adapter.dubbo.config.DubboAdapterGlobalConfig;
 import com.alibaba.csp.sentinel.adapter.dubbo.fallback.DefaultDubboFallback;
-import com.alibaba.csp.sentinel.adapter.dubbo.fallback.DubboFallbackRegistry;
 import com.alibaba.csp.sentinel.config.SentinelConfig;
 import com.alibaba.csp.sentinel.context.ContextUtil;
 import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRuleManager;
@@ -66,10 +65,10 @@ public class BaseTest {
 
     private void clearDubboContext() {
         SentinelConfig.setConfig("csp.sentinel.dubbo.resource.use.prefix", "false");
-        SentinelConfig.setConfig(DubboConfig.DUBBO_PROVIDER_PREFIX, "");
-        SentinelConfig.setConfig(DubboConfig.DUBBO_CONSUMER_PREFIX, "");
-        SentinelConfig.setConfig(DubboConfig.DUBBO_INTERFACE_GROUP_VERSION_ENABLED, "false");
-        DubboFallbackRegistry.setConsumerFallback(new DefaultDubboFallback());
+        SentinelConfig.setConfig(DubboAdapterGlobalConfig.DUBBO_PROVIDER_RES_NAME_PREFIX_KEY, "");
+        SentinelConfig.setConfig(DubboAdapterGlobalConfig.DUBBO_CONSUMER_RES_NAME_PREFIX_KEY, "");
+        SentinelConfig.setConfig(DubboAdapterGlobalConfig.DUBBO_INTERFACE_GROUP_VERSION_ENABLED, "false");
+        DubboAdapterGlobalConfig.setConsumerFallback(new DefaultDubboFallback());
         RpcContext.removeContext();
 
     }

sentinel-adapter/sentinel-apache-dubbo-adapter/src/test/java/com/alibaba/csp/sentinel/adapter/dubbo/DubboUtilsTest.java

@@ -15,7 +15,7 @@
  */
 package com.alibaba.csp.sentinel.adapter.dubbo;
 
-import com.alibaba.csp.sentinel.adapter.dubbo.config.DubboConfig;
+import com.alibaba.csp.sentinel.adapter.dubbo.config.DubboAdapterGlobalConfig;
 import com.alibaba.csp.sentinel.adapter.dubbo.provider.DemoService;
 import com.alibaba.csp.sentinel.config.SentinelConfig;
 import org.apache.dubbo.common.URL;
@@ -29,7 +29,7 @@ import org.junit.Test;
 import java.lang.reflect.Method;
 import java.util.HashMap;
 
-import static com.alibaba.csp.sentinel.adapter.dubbo.config.DubboConfig.DUBBO_INTERFACE_GROUP_VERSION_ENABLED;
+import static com.alibaba.csp.sentinel.adapter.dubbo.config.DubboAdapterGlobalConfig.DUBBO_INTERFACE_GROUP_VERSION_ENABLED;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;
 import static org.mockito.Mockito.*;
@@ -42,8 +42,8 @@ public class DubboUtilsTest {
     @Before
     public void setUp() {
         SentinelConfig.setConfig("csp.sentinel.dubbo.resource.use.prefix", "true");
-        SentinelConfig.setConfig(DubboConfig.DUBBO_PROVIDER_PREFIX, "");
-        SentinelConfig.setConfig(DubboConfig.DUBBO_CONSUMER_PREFIX, "");
+        SentinelConfig.setConfig(DubboAdapterGlobalConfig.DUBBO_PROVIDER_RES_NAME_PREFIX_KEY, "");
+        SentinelConfig.setConfig(DubboAdapterGlobalConfig.DUBBO_CONSUMER_RES_NAME_PREFIX_KEY, "");
         SentinelConfig.setConfig(DUBBO_INTERFACE_GROUP_VERSION_ENABLED, "false");
     }
 
@@ -51,8 +51,8 @@ public class DubboUtilsTest {
     @After
     public void tearDown() {
         SentinelConfig.setConfig("csp.sentinel.dubbo.resource.use.prefix", "false");
-        SentinelConfig.setConfig(DubboConfig.DUBBO_PROVIDER_PREFIX, "");
-        SentinelConfig.setConfig(DubboConfig.DUBBO_CONSUMER_PREFIX, "");
+        SentinelConfig.setConfig(DubboAdapterGlobalConfig.DUBBO_PROVIDER_RES_NAME_PREFIX_KEY, "");
+        SentinelConfig.setConfig(DubboAdapterGlobalConfig.DUBBO_CONSUMER_RES_NAME_PREFIX_KEY, "");
         SentinelConfig.setConfig(DUBBO_INTERFACE_GROUP_VERSION_ENABLED, "false");
     }
 
@@ -92,7 +92,7 @@ public class DubboUtilsTest {
         when(invocation.getMethodName()).thenReturn(method.getName());
         when(invocation.getParameterTypes()).thenReturn(method.getParameterTypes());
 
-        String resourceName = DubboUtils.getResourceName(invoker, invocation);
+        String resourceName = DubboUtils.getMethodResourceName(invoker, invocation);
 
         assertEquals("com.alibaba.csp.sentinel.adapter.dubbo.provider.DemoService:sayHello(java.lang.String,int)", resourceName);
 
@@ -113,7 +113,7 @@ public class DubboUtilsTest {
         when(invocation.getMethodName()).thenReturn(method.getName());
         when(invocation.getParameterTypes()).thenReturn(method.getParameterTypes());
 
-        String resourceNameUseGroupAndVersion = DubboUtils.getResourceName(invoker, invocation, true);
+        String resourceNameUseGroupAndVersion = DubboUtils.getMethodResourceName(invoker, invocation, true);
 
         assertEquals("com.alibaba.csp.sentinel.adapter.dubbo.provider.DemoService:1.0.0:grp1:sayHello(java.lang.String,int)", resourceNameUseGroupAndVersion);
     }
@@ -130,18 +130,18 @@ public class DubboUtilsTest {
         when(invocation.getParameterTypes()).thenReturn(method.getParameterTypes());
 
         //test with default prefix
-        String resourceName = DubboUtils.getResourceName(invoker, invocation, DubboConfig.getDubboProviderPrefix());
+        String resourceName = DubboUtils.getMethodResourceName(invoker, invocation, DubboAdapterGlobalConfig.getDubboProviderResNamePrefixKey());
         assertEquals("dubbo:provider:com.alibaba.csp.sentinel.adapter.dubbo.provider.DemoService:sayHello(java.lang.String,int)", resourceName);
-        resourceName = DubboUtils.getResourceName(invoker, invocation, DubboConfig.getDubboConsumerPrefix());
+        resourceName = DubboUtils.getMethodResourceName(invoker, invocation, DubboAdapterGlobalConfig.getDubboConsumerResNamePrefixKey());
         assertEquals("dubbo:consumer:com.alibaba.csp.sentinel.adapter.dubbo.provider.DemoService:sayHello(java.lang.String,int)", resourceName);
 
 
         //test with custom prefix
-        SentinelConfig.setConfig(DubboConfig.DUBBO_PROVIDER_PREFIX, "my:dubbo:provider:");
-        SentinelConfig.setConfig(DubboConfig.DUBBO_CONSUMER_PREFIX, "my:dubbo:consumer:");
-        resourceName = DubboUtils.getResourceName(invoker, invocation, DubboConfig.getDubboProviderPrefix());
+        SentinelConfig.setConfig(DubboAdapterGlobalConfig.DUBBO_PROVIDER_RES_NAME_PREFIX_KEY, "my:dubbo:provider:");
+        SentinelConfig.setConfig(DubboAdapterGlobalConfig.DUBBO_CONSUMER_RES_NAME_PREFIX_KEY, "my:dubbo:consumer:");
+        resourceName = DubboUtils.getMethodResourceName(invoker, invocation, DubboAdapterGlobalConfig.getDubboProviderResNamePrefixKey());
         assertEquals("my:dubbo:provider:com.alibaba.csp.sentinel.adapter.dubbo.provider.DemoService:sayHello(java.lang.String,int)", resourceName);
-        resourceName = DubboUtils.getResourceName(invoker, invocation, DubboConfig.getDubboConsumerPrefix());
+        resourceName = DubboUtils.getMethodResourceName(invoker, invocation, DubboAdapterGlobalConfig.getDubboConsumerResNamePrefixKey());
         assertEquals("my:dubbo:consumer:com.alibaba.csp.sentinel.adapter.dubbo.provider.DemoService:sayHello(java.lang.String,int)", resourceName);
 
     }
@@ -160,8 +160,48 @@ public class DubboUtilsTest {
         SentinelConfig.setConfig(DUBBO_INTERFACE_GROUP_VERSION_ENABLED, "false");
         assertEquals("com.alibaba.csp.sentinel.adapter.dubbo.provider.DemoService", DubboUtils.getInterfaceName(invoker));
 
+    }
+
+    @Test
+    public void testGetInterfaceNameWithGroupAndVersion() throws NoSuchMethodException {
+
+        URL url = URL.valueOf("dubbo://127.0.0.1:2181")
+                .addParameter(CommonConstants.VERSION_KEY, "1.0.0")
+                .addParameter(CommonConstants.GROUP_KEY, "grp1")
+                .addParameter(CommonConstants.INTERFACE_KEY, DemoService.class.getName());
+        Invoker invoker = mock(Invoker.class);
+        when(invoker.getUrl()).thenReturn(url);
+        when(invoker.getInterface()).thenReturn(DemoService.class);
+
         SentinelConfig.setConfig(DUBBO_INTERFACE_GROUP_VERSION_ENABLED, "true");
-        assertEquals("com.alibaba.csp.sentinel.adapter.dubbo.provider.DemoService:1.0.0:grp1", DubboUtils.getInterfaceName(invoker));
+        assertEquals("com.alibaba.csp.sentinel.adapter.dubbo.provider.DemoService:1.0.0:grp1", DubboUtils.getInterfaceName(invoker, true));
+    }
+
+    @Test
+    public void testGetInterfaceNameWithPrefix() throws NoSuchMethodException {
+        URL url = URL.valueOf("dubbo://127.0.0.1:2181")
+                .addParameter(CommonConstants.VERSION_KEY, "1.0.0")
+                .addParameter(CommonConstants.GROUP_KEY, "grp1")
+                .addParameter(CommonConstants.INTERFACE_KEY, DemoService.class.getName());
+        Invoker invoker = mock(Invoker.class);
+        when(invoker.getUrl()).thenReturn(url);
+        when(invoker.getInterface()).thenReturn(DemoService.class);
+
+
+        //test with default prefix
+        String resourceName = DubboUtils.getInterfaceName(invoker, DubboAdapterGlobalConfig.getDubboProviderResNamePrefixKey());
+        assertEquals("dubbo:provider:com.alibaba.csp.sentinel.adapter.dubbo.provider.DemoService", resourceName);
+        resourceName = DubboUtils.getInterfaceName(invoker, DubboAdapterGlobalConfig.getDubboConsumerResNamePrefixKey());
+        assertEquals("dubbo:consumer:com.alibaba.csp.sentinel.adapter.dubbo.provider.DemoService", resourceName);
+
+
+        //test with custom prefix
+        SentinelConfig.setConfig(DubboAdapterGlobalConfig.DUBBO_PROVIDER_RES_NAME_PREFIX_KEY, "my:dubbo:provider:");
+        SentinelConfig.setConfig(DubboAdapterGlobalConfig.DUBBO_CONSUMER_RES_NAME_PREFIX_KEY, "my:dubbo:consumer:");
+        resourceName = DubboUtils.getInterfaceName(invoker, DubboAdapterGlobalConfig.getDubboProviderResNamePrefixKey());
+        assertEquals("my:dubbo:provider:com.alibaba.csp.sentinel.adapter.dubbo.provider.DemoService", resourceName);
+        resourceName = DubboUtils.getInterfaceName(invoker, DubboAdapterGlobalConfig.getDubboConsumerResNamePrefixKey());
+        assertEquals("my:dubbo:consumer:com.alibaba.csp.sentinel.adapter.dubbo.provider.DemoService", resourceName);
 
     }
 }

sentinel-adapter/sentinel-apache-dubbo-adapter/src/test/java/com/alibaba/csp/sentinel/adapter/dubbo/SentinelDubboConsumerFilterTest.java

@@ -34,24 +34,13 @@ import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRule;
 import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRuleManager;
 import com.alibaba.csp.sentinel.slots.block.flow.FlowRule;
 import com.alibaba.csp.sentinel.slots.block.flow.FlowRuleManager;
-import org.apache.dubbo.rpc.AppResponse;
-import org.apache.dubbo.rpc.AsyncRpcResult;
-import org.apache.dubbo.rpc.Invocation;
-import org.apache.dubbo.rpc.InvokeMode;
-import org.apache.dubbo.rpc.Invoker;
-import org.apache.dubbo.rpc.Result;
-import org.apache.dubbo.rpc.RpcContext;
+import org.apache.dubbo.rpc.*;
 import org.apache.dubbo.rpc.support.RpcUtils;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 
-import java.util.ArrayList;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Map;
-import java.util.Queue;
-import java.util.Set;
+import java.util.*;
 
 import static com.alibaba.csp.sentinel.slots.block.RuleConstant.DEGRADE_GRADE_EXCEPTION_RATIO;
 import static org.apache.dubbo.rpc.Constants.ASYNC_KEY;
@@ -172,7 +161,7 @@ public class SentinelDubboConsumerFilterTest extends BaseTest {
         Invoker invoker = DubboTestUtil.getDefaultMockInvoker();
 
         when(invocation.getAttachment(ASYNC_KEY)).thenReturn(Boolean.TRUE.toString());
-        initFlowRule(consumerFilter.getMethodName(invoker, invocation));
+        initFlowRule(consumerFilter.getMethodName(invoker, invocation, null));
         invokeDubboRpc(false, invoker, invocation);
         invokeDubboRpc(false, invoker, invocation);
 
@@ -244,7 +233,7 @@ public class SentinelDubboConsumerFilterTest extends BaseTest {
         // As not call ContextUtil.enter(resourceName, application) in SentinelDubboConsumerFilter, use default context
         // In actual project, a consumer is usually also a provider, the context will be created by SentinelDubboProviderFilter
         // If consumer is on the top of Dubbo RPC invocation chain, use default context
-        String resourceName = consumerFilter.getMethodName(invoker, invocation);
+        String resourceName = consumerFilter.getMethodName(invoker, invocation, null);
         assertEquals(com.alibaba.csp.sentinel.Constants.CONTEXT_DEFAULT_NAME, context.getName());
         assertEquals("", context.getOrigin());
 
@@ -297,7 +286,7 @@ public class SentinelDubboConsumerFilterTest extends BaseTest {
         // As not call ContextUtil.enter(resourceName, application) in SentinelDubboConsumerFilter, use default context
         // In actual project, a consumer is usually also a provider, the context will be created by SentinelDubboProviderFilter
         // If consumer is on the top of Dubbo RPC invocation chain, use default context
-        String resourceName = consumerFilter.getMethodName(invoker, invocation);
+        String resourceName = consumerFilter.getMethodName(invoker, invocation, null);
         assertEquals(com.alibaba.csp.sentinel.Constants.CONTEXT_DEFAULT_NAME, context.getName());
         assertEquals("", context.getOrigin());
 
@@ -344,7 +333,7 @@ public class SentinelDubboConsumerFilterTest extends BaseTest {
     private void verifyInvocationStructureForCallFinish(Invoker invoker, Invocation invocation) {
         Context context = ContextUtil.getContext();
         assertNull(context);
-        String methodResourceName = consumerFilter.getMethodName(invoker, invocation);
+        String methodResourceName = consumerFilter.getMethodName(invoker, invocation, null);
         Entry[] entries = (Entry[]) RpcContext.getContext().get(methodResourceName);
         assertNull(entries);
     }

sentinel-adapter/sentinel-apache-dubbo-adapter/src/test/java/com/alibaba/csp/sentinel/adapter/dubbo/SentinelDubboProviderFilterTest.java

@@ -102,7 +102,7 @@ public class SentinelDubboProviderFilterTest extends BaseTest {
         assertNotNull(context);
 
         // As ContextUtil.enter(resourceName, application) in SentinelDubboProviderFilter
-        String methodResourceName = filter.getMethodName(invoker, invocation);
+        String methodResourceName = filter.getMethodName(invoker, invocation, null);
         assertEquals(methodResourceName, context.getName());
         assertEquals(originApplication, context.getOrigin());
 
@@ -117,7 +117,7 @@ public class SentinelDubboProviderFilterTest extends BaseTest {
         DefaultNode interfaceNode = (DefaultNode) childList.iterator().next();
         ResourceWrapper interfaceResource = interfaceNode.getId();
 
-        assertEquals(filter.getInterfaceName(invoker), interfaceResource.getName());
+        assertEquals(filter.getInterfaceName(invoker, null), interfaceResource.getName());
         assertSame(EntryType.IN, interfaceResource.getEntryType());
 
         // As SphU.entry(resourceName, EntryType.IN, 1, invocation.getArguments());

sentinel-adapter/sentinel-apache-dubbo-adapter/src/test/java/com/alibaba/csp/sentinel/adapter/dubbo/fallback/DubboFallbackRegistryTest.java

@@ -15,6 +15,7 @@
  */
 package com.alibaba.csp.sentinel.adapter.dubbo.fallback;
 
+import com.alibaba.csp.sentinel.adapter.dubbo.config.DubboAdapterGlobalConfig;
 import com.alibaba.csp.sentinel.slots.block.BlockException;
 import com.alibaba.csp.sentinel.slots.block.SentinelRpcException;
 import com.alibaba.csp.sentinel.slots.block.flow.FlowException;
@@ -40,20 +41,21 @@ public class DubboFallbackRegistryTest {
         DubboFallbackRegistry.setConsumerFallback(new DefaultDubboFallback());
     }
 
-    @Test(expected = SentinelRpcException.class)
+    @Test
     public void testDefaultFallback() {
-        // Test for default.
+        // Test for default fallback.
         BlockException ex = new FlowException("xxx");
-        DubboFallbackRegistry.getConsumerFallback()
-            .handle(null, null, ex);
+        Result result = new DefaultDubboFallback().handle(null, null, ex);
+        Assert.assertTrue("The invocation should not fail",result.hasException());
+        Assert.assertEquals(SentinelRpcException.class, result.getException().getClass());
     }
 
     @Test
     public void testCustomFallback() {
         BlockException ex = new FlowException("xxx");
-        DubboFallbackRegistry.setConsumerFallback(
+        DubboAdapterGlobalConfig.setConsumerFallback(
                 (invoker, invocation, e) -> AsyncRpcResult.newDefaultAsyncResult("Error: " + e.getClass().getName(), invocation));
-        Result result = DubboFallbackRegistry.getConsumerFallback()
+        Result result = DubboAdapterGlobalConfig.getConsumerFallback()
             .handle(null, null, ex);
         Assert.assertFalse("The invocation should not fail", result.hasException());
         Assert.assertEquals("Error: " + ex.getClass().getName(), result.getValue());

sentinel-adapter/sentinel-apache-dubbo-adapter/src/test/java/com/alibaba/csp/sentinel/adapter/dubbo/origin/DubboOriginRegistryTest.java

@@ -0,0 +1,75 @@
+/*
+ * Copyright 1999-2020 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.csp.sentinel.adapter.dubbo.origin;
+
+import com.alibaba.csp.sentinel.adapter.dubbo.DubboUtils;
+import com.alibaba.csp.sentinel.adapter.dubbo.config.DubboAdapterGlobalConfig;
+import com.alibaba.dubbo.rpc.RpcInvocation;
+import org.apache.dubbo.rpc.Invocation;
+import org.apache.dubbo.rpc.Invoker;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * @author tiecheng
+ */
+public class DubboOriginRegistryTest {
+
+    @After
+    public void cleanUp() {
+        DubboAdapterGlobalConfig.setOriginParser(new DefaultDubboOriginParser());
+    }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void testDefaultOriginParserFail() {
+        DubboAdapterGlobalConfig.getOriginParser().parse(null, null);
+    }
+
+    @Test
+    public void testDefaultOriginParserSuccess() {
+        RpcInvocation invocation = new RpcInvocation();
+        String dubboName = "sentinel";
+        invocation.setAttachment(DubboUtils.SENTINEL_DUBBO_APPLICATION_KEY, dubboName);
+        String origin = DubboAdapterGlobalConfig.getOriginParser().parse(null, invocation);
+        Assert.assertEquals(dubboName, origin);
+    }
+
+    @Test
+    public void testCustomOriginParser() {
+        DubboAdapterGlobalConfig.setOriginParser(new DubboOriginParser() {
+            @Override
+            public String parse(Invoker<?> invoker, Invocation invocation) {
+                return invocation.getAttachment(DubboUtils.SENTINEL_DUBBO_APPLICATION_KEY, "default") + "_" + invocation
+                        .getMethodName();
+            }
+        });
+
+        RpcInvocation invocation = new RpcInvocation();
+        String origin = DubboAdapterGlobalConfig.getOriginParser().parse(null, invocation);
+        Assert.assertEquals("default_null", origin);
+
+        String dubboName = "sentinel";
+        invocation.setAttachment(DubboUtils.SENTINEL_DUBBO_APPLICATION_KEY, dubboName);
+        origin = DubboAdapterGlobalConfig.getOriginParser().parse(null, invocation);
+        Assert.assertEquals(dubboName + "_null", origin);
+
+        invocation.setMethodName("hello");
+        origin = DubboAdapterGlobalConfig.getOriginParser().parse(null, invocation);
+        Assert.assertEquals(dubboName + "_hello", origin);
+    }
+
+}

sentinel-demo/sentinel-demo-apache-dubbo/src/main/java/com/alibaba/csp/sentinel/demo/apache/dubbo/FooConsumerBootstrap.java

@@ -15,20 +15,17 @@
  */
 package com.alibaba.csp.sentinel.demo.apache.dubbo;
 
-import com.alibaba.csp.sentinel.adapter.dubbo.fallback.DubboFallbackRegistry;
+import com.alibaba.csp.sentinel.adapter.dubbo.config.DubboAdapterGlobalConfig;
 import com.alibaba.csp.sentinel.demo.apache.dubbo.consumer.ConsumerConfiguration;
 import com.alibaba.csp.sentinel.demo.apache.dubbo.consumer.FooServiceConsumer;
 import com.alibaba.csp.sentinel.slots.block.RuleConstant;
 import com.alibaba.csp.sentinel.slots.block.SentinelRpcException;
-import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRule;
-import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRuleManager;
 import com.alibaba.csp.sentinel.slots.block.flow.FlowRule;
 import com.alibaba.csp.sentinel.slots.block.flow.FlowRuleManager;
 import org.apache.dubbo.rpc.AsyncRpcResult;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.List;
 
 /**
@@ -125,18 +122,18 @@ public class FooConsumerBootstrap {
     }
 
     public static void registryCustomFallback() {
-        DubboFallbackRegistry.setConsumerFallback(
+        DubboAdapterGlobalConfig.setConsumerFallback(
                 (invoker, invocation, ex) -> AsyncRpcResult.newDefaultAsyncResult("fallback", invocation));
 
     }
 
     public static void registryCustomFallbackForCustomException() {
-        DubboFallbackRegistry.setConsumerFallback(
+        DubboAdapterGlobalConfig.setConsumerFallback(
                 (invoker, invocation, ex) -> AsyncRpcResult.newDefaultAsyncResult(new RuntimeException("fallback"), invocation));
     }
 
     public static void registryCustomFallbackWhenFallbackError() {
-        DubboFallbackRegistry.setConsumerFallback(
+        DubboAdapterGlobalConfig.setConsumerFallback(
                 (invoker, invocation, ex) -> {
                     throw new RuntimeException("fallback");
                 });

sentinel-demo/sentinel-demo-apache-dubbo/src/main/java/com/alibaba/csp/sentinel/demo/apache/dubbo/FooConsumerExceptionDegradeBootstrap.java

@@ -15,7 +15,7 @@
  */
 package com.alibaba.csp.sentinel.demo.apache.dubbo;
 
-import com.alibaba.csp.sentinel.adapter.dubbo.fallback.DubboFallbackRegistry;
+import com.alibaba.csp.sentinel.adapter.dubbo.config.DubboAdapterGlobalConfig;
 import com.alibaba.csp.sentinel.demo.apache.dubbo.consumer.ConsumerConfiguration;
 import com.alibaba.csp.sentinel.demo.apache.dubbo.consumer.FooServiceConsumer;
 import com.alibaba.csp.sentinel.slots.block.RuleConstant;
@@ -102,7 +102,7 @@ public class FooConsumerExceptionDegradeBootstrap {
     }
 
     public static void registryCustomFallback() {
-        DubboFallbackRegistry.setConsumerFallback(
+        DubboAdapterGlobalConfig.setConsumerFallback(
                 (invoker, invocation, ex) -> AsyncRpcResult.newDefaultAsyncResult("fallback", invocation));
 
     }