Extract analysis/notifications into a separate operation/file.

pkg/analysis_server/lib/src/operation/operation.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;
 
 import 'package:analysis_server/src/analysis_server.dart';
-import 'package:analyzer/src/generated/engine.dart' show AnalysisContext;
 
 
 /**
  * The enumeration [ServerOperationPriority] defines the priority levels used
  * to organize [ServerOperation]s in an optimal order. A smaller ordinal value
  * equates to a higher priority.
  */
 class ServerOperationPriority {
   final int ordinal;
   final String name;
@@ skipping 20 matching lines @@
   /**
    * Returns the priority of this operation.
    */
   ServerOperationPriority get priority;
 
   /**
    * Performs the operation implemented by this operation.
    */
   void perform(AnalysisServer server);
 }
-
-
-/**
- * Instances of [PerformAnalysisOperation] perform a single analysis task.
- */
-class PerformAnalysisOperation extends ServerOperation {
-  final AnalysisContext context;
-  final bool isContinue;
-
-  PerformAnalysisOperation(this.context, this.isContinue);
-
-  @override
-  ServerOperationPriority get priority {
-    if (isContinue) {
-      return ServerOperationPriority.ANALYSIS_CONTINUE;
-    } else {
-      return ServerOperationPriority.ANALYSIS;
-    }
-  }
-
-  @override
-  void perform(AnalysisServer server) {
-    server.internalPerformAnalysis(context);
-  }
-}