Move indexing into operations.

pkg/analysis_server/lib/src/operation/operation_analysis.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library operation.analysis;
 
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/computer/computer_highlights.dart';
 import 'package:analysis_server/src/computer/computer_navigation.dart';
 import 'package:analysis_server/src/computer/computer_occurrences.dart';
@@ skipping 213 matching lines @@
     Index index = server.index;
     if (index == null) {
       return;
     }
     for (ChangeNotice notice in notices) {
       // Dart
       if (notice.resolved) {
         try {
           CompilationUnit dartUnit = notice.compilationUnit;
           if (dartUnit != null) {
-            index.indexUnit(context, dartUnit);
+            server.addOperation(new _DartIndexOperation(context, dartUnit));
           }
         } catch (exception, stackTrace) {
           server.sendServerErrorNotification(exception, stackTrace);
         }
         // HTML
         try {
           HtmlUnit htmlUnit = notice.htmlUnit;
           if (htmlUnit != null) {
-            index.indexHtmlUnit(context, htmlUnit);
+            server.addOperation(new _HtmlIndexOperation(context, htmlUnit));
           }
         } catch (exception, stackTrace) {
           server.sendServerErrorNotification(exception, stackTrace);
         }
       }
     }
   }
 }
 
 
 class _DartHighlightsOperation extends _DartNotificationOperation {
   _DartHighlightsOperation(String file, CompilationUnit unit)
       : super(file, unit);
 
   @override
   void perform(AnalysisServer server) {
+    print('+server _DartHighlightsOperation');
     sendAnalysisNotificationHighlights(server, file, unit);
   }
 }
 
 
+class _DartIndexOperation extends ServerOperation {
+  final AnalysisContext context;
+  final CompilationUnit unit;
+
+  _DartIndexOperation(this.context, this.unit);
+
+  @override
+  ServerOperationPriority get priority {
+    return ServerOperationPriority.ANALYSIS_INDEX;
+  }
+
+  @override
+  void perform(AnalysisServer server) {
+    print('+server _DartIndexOperation');
+    Index index = server.index;
+    index.indexUnit(context, unit);
+  }
+}
+
+
 class _DartNavigationOperation extends _DartNotificationOperation {
   _DartNavigationOperation(String file, CompilationUnit unit)
       : super(file, unit);
 
   @override
   void perform(AnalysisServer server) {
     sendAnalysisNotificationNavigation(server, file, unit);
   }
 }
 
@@ skipping 39 matching lines @@
   _DartOverridesOperation(String file, CompilationUnit unit)
       : super(file, unit);
 
   @override
   void perform(AnalysisServer server) {
     sendAnalysisNotificationOverrides(server, file, unit);
   }
 }
 
 
+class _HtmlIndexOperation extends ServerOperation {
+  final AnalysisContext context;
+  final HtmlUnit unit;
+
+  _HtmlIndexOperation(this.context, this.unit);
+
+  @override
+  ServerOperationPriority get priority {
+    return ServerOperationPriority.ANALYSIS_INDEX;
+  }
+
+  @override
+  void perform(AnalysisServer server) {
+    Index index = server.index;
+    index.indexHtmlUnit(context, unit);
+  }
+}
+
+
 class _NotificationErrorsOperation extends ServerOperation {
   final String file;
   final LineInfo lineInfo;
   final List<AnalysisError> errors;
 
   _NotificationErrorsOperation(this.file, this.lineInfo, this.errors);
 
   @override
   ServerOperationPriority get priority {
     return ServerOperationPriority.ANALYSIS_NOTIFICATION;
   }
 
   @override
   void perform(AnalysisServer server) {
     sendAnalysisNotificationErrors(server, file, lineInfo, errors);
   }
 }