Refactor Observatory

runtime/bin/vmservice/client/lib/src/observatory/isolate_manager.dart

-// Copyright (c) 2013, 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.
-
-part of observatory;
-
-/// Collection of isolates which are running in the VM. Updated
-class IsolateManager extends Observable {
-  ObservatoryApplication _application;
-  ObservatoryApplication get application => _application;
-
-  @observable final Map<String, Isolate> isolates =
-      toObservable(new Map<String, Isolate>());
-
-  static bool _foundIsolateInMembers(String id, List<Map> members) {
-    return members.any((E) => E['id'] == id);
-  }
-
-  void _responseInterceptor() {
-    _application.requestManager.responses.forEach((response) {
-      if (response['type'] == 'IsolateList') {
-        _updateIsolates(response['members']);
-      }
-    });
-  }
-
-  Isolate getIsolate(String id) {
-    Isolate isolate = isolates[id];
-    if (isolate == null) {
-      isolate = new Isolate.fromId(id);
-      isolates[id] = isolate;
-    }
-    if (isolate.vmName == null) {
-      // First time we are using this isolate.
-      isolate.refresh();
-    }
-    return isolate;
-  }
-
-  void _updateIsolates(List<Map> members) {
-    // Find dead isolates.
-    var deadIsolates = [];
-    isolates.forEach((k, v) {
-      if (!_foundIsolateInMembers(k, members)) {
-        deadIsolates.add(k);
-      }
-    });
-    // Remove them.
-    deadIsolates.forEach((id) {
-      isolates.remove(id);
-    });
-    // Add new isolates.
-    members.forEach((map) {
-      var id = map['id'];
-      var isolate = isolates[id];
-      if (isolate == null) {
-        isolate = new Isolate.fromMap(map);
-        isolates[id] = isolate;
-      }
-      isolate.refresh();
-    });
-  }
-}