取消必须提供ConfigLoader的限制

discovery-plugin-config-center/src/main/java/com/nepxion/discovery/plugin/configcenter/ConfigSubscriber.java

@@ -33,13 +33,16 @@ import com.nepxion.eventbus.core.Event;
 public class ConfigSubscriber {
     private static final Logger LOG = LoggerFactory.getLogger(ConfigSubscriber.class);
 
+    @Value("${" + PluginConstant.SPRING_APPLICATION_REGISTER_CONTROL_ENABLED + ":true}")
+    private Boolean registerControlEnabled;
+
     @Value("${" + PluginConstant.SPRING_APPLICATION_DISCOVERY_CONTROL_ENABLED + ":true}")
     private Boolean discoveryControlEnabled;
 
     @Value("${" + ConfigConstant.SPRING_APPLICATION_DISCOVERY_REMOTE_CONFIG_ENABLED + ":true}")
     private Boolean remoteConfigEnabled;
 
-    @Autowired
+    @Autowired(required = false)
     private ConfigLoader configLoader;
 
     @Autowired
@@ -47,6 +50,18 @@ public class ConfigSubscriber {
 
     @PostConstruct
     public void initialize() {
+        if (!registerControlEnabled && !discoveryControlEnabled) {
+            LOG.info("********** Register and Discovery controls are all disabled, ignore to initialize **********");
+
+            return;
+        }
+
+        if (configLoader == null) {
+            LOG.info("********** ConfigLoader isn't provided, ignore to initialize **********");
+
+            return;
+        }
+
         LOG.info("********** {} config starts to initialize **********", remoteConfigEnabled ? "Remote" : "Local");
 
         InputStream inputStream = null;

discovery-springcloud-example-a/src/main/resources/rule1.xml

@@ -45,6 +45,6 @@
         <version>
             <!-- 表示消费端服务a的1.0，允许访问提供端服务b的1.0和1.1版本 -->
             <service consumer-service-name="discovery-springcloud-example-a" provider-service-name="discovery-springcloud-example-b" consumer-version-value="1.0" provider-version-value="1.0,1.1"/>
-        </version>        
+        </version>
     </discovery>
 </rule>
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