Merge pull request #480 in DESIGN/design from ~JU/design:feature/10.0 to feature/10.0

* commit 'ccaf797fd825664428b34735ff346fd63552be63':
  REPORT-11216 10.0远程设计问题解决 isRoot缓存下，不用每次都rpc
  REPORT-11216 10.0远程设计问题解决 isRoot缓存下，不用每次都rpc

designer-base/src/main/java/com/fr/design/env/RemoteWorkspace.java

@@ -21,6 +21,8 @@ public class RemoteWorkspace implements Workspace {
     
     private final WorkspaceConnectionInfo connection;
     
+    private volatile Boolean isRoot = null;
+    
     RemoteWorkspace(WorkspaceClient client, WorkspaceConnectionInfo connection) {
 
         this.client = client;
@@ -54,11 +56,15 @@ public class RemoteWorkspace implements Workspace {
 
     @Override
     public boolean isRoot() {
-        try {
-            return WorkContext.getCurrent().get(DecisionOperator.class).isRoot(getConnection().getUserName());
-        } catch (Exception e) {
-            return false;
+    
+        if (isRoot == null) {
+            synchronized (this) {
+                if (isRoot == null) {
+                    isRoot = WorkContext.getCurrent().get(DecisionOperator.class).isRoot(getConnection().getUserName());
+                }
+            }
         }
+        return isRoot;
     }
     
     @Override
@@ -88,6 +94,6 @@ public class RemoteWorkspace implements Workspace {
     @Override
     public boolean equals(Object obj) {
         
-        return obj != null && obj instanceof RemoteWorkspace && AssistUtils.equals(((RemoteWorkspace) obj).connection, this.connection);
+        return obj instanceof RemoteWorkspace && AssistUtils.equals(((RemoteWorkspace) obj).connection, this.connection);
     }
 }