增加图形化灰度发布功能

discovery-console-desktop/src/main/java/com/nepxion/discovery/console/desktop/workspace/RouterTopology.java

@@ -181,10 +181,12 @@ public class RouterTopology extends AbstractTopology {
     }
 
     public void setInstance(InstanceEntity instance) {
-        this.instance = instance;
+        if (this.instance != instance) {
+            this.instance = instance;
 
-        textField.setText("");
-        dataBox.clear();
+            textField.setText("");
+            dataBox.clear();
+        }
     }
 
     private JSecurityAction createAddServiceAction() {

discovery-console-desktop/src/main/java/com/nepxion/discovery/console/desktop/workspace/ServiceTopology.java

@@ -293,7 +293,9 @@ public class ServiceTopology extends AbstractTopology {
         updateNode(node, instance);
     }
 
-    private void refreshGrayState(TNode node) {
+    private boolean refreshGrayState(TNode node) {
+        boolean hasException = false;
+
         TGroup group = (TGroup) node.getParent();
 
         try {
@@ -303,13 +305,19 @@ public class ServiceTopology extends AbstractTopology {
 
             group.removeChild(node);
             dataBox.removeElement(node);
+
+            hasException = true;
         }
 
         updateGroup(group);
+
+        return hasException;
     }
 
     @SuppressWarnings("unchecked")
-    private void refreshGrayState(TGroup group) {
+    private boolean refreshGrayState(TGroup group) {
+        boolean hasException = false;
+
         List<TNode> nodes = group.getChildren();
 
         Iterator<TNode> iterator = nodes.iterator();
@@ -323,10 +331,14 @@ public class ServiceTopology extends AbstractTopology {
 
                 iterator.remove();
                 dataBox.removeElement(node);
+
+                hasException = true;
             }
         }
 
         updateGroup(group);
+
+        return hasException;
     }
 
     private void showResult(Object result) {
@@ -379,10 +391,15 @@ public class ServiceTopology extends AbstractTopology {
                     return;
                 }
 
+                boolean hasException = false;
                 if (group != null) {
-                    refreshGrayState(group);
+                    hasException = refreshGrayState(group);
                 } else if (node != null) {
-                    refreshGrayState(node);
+                    hasException = refreshGrayState(node);
+                }
+
+                if (hasException) {
+                    return;
                 }
 
                 if (grayPanel == null) {