Remove the old index.

pkg/analysis_server/lib/src/analysis_server.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.
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:core';
 import 'dart:io' as io;
 import 'dart:math' show max;
 
@@ skipping 13 matching lines @@
 import 'package:analysis_server/src/domains/analysis/occurrences.dart';
 import 'package:analysis_server/src/domains/analysis/occurrences_dart.dart';
 import 'package:analysis_server/src/operation/operation_analysis.dart';
 import 'package:analysis_server/src/plugin/notification_manager.dart';
 import 'package:analysis_server/src/plugin/plugin_manager.dart';
 import 'package:analysis_server/src/plugin/plugin_watcher.dart';
 import 'package:analysis_server/src/plugin/server_plugin.dart';
 import 'package:analysis_server/src/protocol_server.dart' as server;
 import 'package:analysis_server/src/server/diagnostic_server.dart';
 import 'package:analysis_server/src/services/correction/namespace.dart';
-import 'package:analysis_server/src/services/index/index.dart';
 import 'package:analysis_server/src/services/search/search_engine.dart';
 import 'package:analysis_server/src/services/search/search_engine_internal.dart';
 import 'package:analysis_server/src/utilities/null_string_sink.dart';
 import 'package:analyzer/context/context_root.dart';
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/exception/exception.dart';
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/file_system/physical_file_system.dart';
 import 'package:analyzer/instrumentation/instrumentation.dart';
@@ skipping 78 matching lines @@
    * The object used to manage the execution of plugins.
    */
   PluginManager pluginManager;
 
   /**
    * The [ResourceProvider] using which paths are converted into [Resource]s.
    */
   final ResourceProvider resourceProvider;
 
   /**
-   * The [Index] for this server, may be `null` if indexing is disabled.
-   */
-  final Index index;
-
-  /**
    * The [SearchEngine] for this server, may be `null` if indexing is disabled.
    */
   SearchEngine searchEngine;
 
   /**
    * The plugin associated with this analysis server.
    */
   final ServerPlugin serverPlugin;
 
   /**
@@ skipping 189 matching lines @@
    *
    * If [rethrowExceptions] is true, then any exceptions thrown by analysis are
    * propagated up the call stack.  The default is true to allow analysis
    * exceptions to show up in unit tests, but it should be set to false when
    * running a full analysis server.
    */
   AnalysisServer(
       this.channel,
       this.resourceProvider,
       PubPackageMapProvider packageMapProvider,
-      this.index,
       this.serverPlugin,
       this.options,
       this.sdkManager,
       this.instrumentationService,
       {this.diagnosticServer,
       ResolverProvider fileResolverProvider: null,
       ResolverProvider packageResolverProvider: null})
       : notificationManager =
             new NotificationManager(channel, resourceProvider) {
     _performance = performanceDuringStartup;
@@ skipping 54 matching lines @@
     _onFileAddedController = new StreamController.broadcast();
     // temporary plugin support:
     _onFileChangedController = new StreamController.broadcast();
     running = true;
     onAnalysisStarted.first.then((_) {
       onAnalysisComplete.then((_) {
         performanceAfterStartup = new ServerPerformance();
         _performance = performanceAfterStartup;
       });
     });
-    _setupIndexInvalidation();
     searchEngine = new SearchEngineImpl(driverMap.values);
     Notification notification = new ServerConnectedParams(VERSION, io.pid,
             sessionId: instrumentationService.sessionId)
         .toNotification();
     channel.sendNotification(notification);
     channel.listen(handleRequest, onDone: done, onError: error);
     handlers = serverPlugin.createDomains(this);
   }
 
   /**
@@ skipping 67 matching lines @@
   Duration get uptime {
     DateTime start = new DateTime.fromMillisecondsSinceEpoch(
         performanceDuringStartup.startTime);
     return new DateTime.now().difference(start);
   }
 
   /**
    * The socket from which requests are being read has been closed.
    */
   void done() {
-    index?.stop();
     running = false;
   }
 
   /**
    * There was an error related to the socket from which requests are being
    * read.
    */
   void error(argument) {
     running = false;
   }
@@ skipping 379 matching lines @@
   /**
    * Returns `true` if errors should be reported for [file] with the given
    * absolute path.
    */
   bool shouldSendErrorsNotificationFor(String file) {
     return contextManager.isInAnalysisRoot(file);
   }
 
   void shutdown() {
     running = false;
-    if (index != null) {
-      index.stop();
-    }
     // Defer closing the channel and shutting down the instrumentation server so
     // that the shutdown response can be sent and logged.
     new Future(() {
       instrumentationService.shutdown();
       channel.close();
     });
   }
 
   /**
    * Implementation for `analysis.updateContent`.
@@ skipping 115 matching lines @@
   bool _hasAnalysisServiceSubscription(AnalysisService service, String file) {
     return analysisServices[service]?.contains(file) ?? false;
   }
 
   _scheduleAnalysisImplementedNotification() async {
     Set<String> files = analysisServices[AnalysisService.IMPLEMENTED];
     if (files != null) {
       scheduleImplementedNotification(this, files);
     }
   }
-
-  /**
-   * Listen for context events and invalidate index.
-   *
-   * It is possible that this method will do more in the future, e.g. listening
-   * for summary information and linking pre-indexed packages into the index,
-   * but for now we only invalidate project specific index information.
-   */
-  void _setupIndexInvalidation() {
-    if (index == null) {
-      return;
-    }
-    // TODO(brianwilkerson) onContextsChanged never has anything written to it.
-    // Figure out whether we need something like this under the new analysis
-    // driver, and remove this method if not.
-//    onContextsChanged.listen((ContextsChangedEvent event) {
-//      for (AnalysisContext context in event.added) {
-//        context
-//            .onResultChanged(RESOLVED_UNIT3)
-//            .listen((ResultChangedEvent event) {
-//          if (event.wasComputed) {
-//            Object value = event.value;
-//            if (value is CompilationUnit) {
-//              index.indexDeclarations(value);
-//            }
-//          }
-//        });
-//        context
-//            .onResultChanged(RESOLVED_UNIT)
-//            .listen((ResultChangedEvent event) {
-//          if (event.wasInvalidated) {
-//            LibrarySpecificUnit target = event.target;
-//            index.removeUnit(event.context, target.library, target.unit);
-//          }
-//        });
-//      }
-//      for (AnalysisContext context in event.removed) {
-//        index.removeContext(context);
-//      }
-//    });
-  }
 }
 
 class AnalysisServerOptions {
   bool enableIncrementalResolutionApi = false;
   bool enableIncrementalResolutionValidation = false;
   bool useAnalysisHighlight2 = false;
   String fileReadMode = 'as-is';
   String newAnalysisDriverLog;
 
   String clientId;
@@ skipping 413 matching lines @@
   /**
    * The [PerformanceTag] for time spent in server request handlers.
    */
   static PerformanceTag serverRequests = server.createChild('requests');
 
   /**
    * The [PerformanceTag] for time spent in split store microtasks.
    */
   static PerformanceTag splitStore = new PerformanceTag('splitStore');
 }