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| 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 import 'package:analysis_server/src/analysis_server.dart'; | |
| 6 import 'package:analyzer/src/generated/engine.dart'; | |
| 7 import 'package:analyzer/src/generated/source.dart'; | |
| 8 | |
| 9 /** | |
| 10 * [MergeableOperation] can decide whether other operation can be merged into | |
| 11 * it, so that it should not be added as a separate operation. | |
| 12 */ | |
| 13 abstract class MergeableOperation extends ServerOperation { | |
| 14 MergeableOperation(AnalysisContext context) : super(context); | |
| 15 | |
| 16 /** | |
| 17 * Attempt to merge the given [other] operation into this one, return `true` | |
| 18 * in case of success, so that [other] should not be added as a separate | |
| 19 * operation. | |
| 20 */ | |
| 21 bool merge(ServerOperation other); | |
| 22 } | |
| 23 | |
| 24 /** | |
| 25 * The class [ServerOperation] defines the behavior of objects used to perform | |
| 26 * operations on a [AnalysisServer]. | |
| 27 */ | |
| 28 abstract class ServerOperation { | |
| 29 /** | |
| 30 * The context for this operation. Operations will be automatically | |
| 31 * de-queued when their context is destroyed. | |
| 32 */ | |
| 33 final AnalysisContext context; | |
| 34 | |
| 35 ServerOperation(this.context); | |
| 36 | |
| 37 /** | |
| 38 * Returns the priority of this operation. | |
| 39 */ | |
| 40 ServerOperationPriority get priority; | |
| 41 | |
| 42 /** | |
| 43 * Performs the operation implemented by this operation. | |
| 44 */ | |
| 45 void perform(AnalysisServer server); | |
| 46 } | |
| 47 | |
| 48 /** | |
| 49 * The enumeration [ServerOperationPriority] defines the priority levels used | |
| 50 * to organize [ServerOperation]s in an optimal order. A smaller ordinal value | |
| 51 * equates to a higher priority. | |
| 52 */ | |
| 53 class ServerOperationPriority { | |
| 54 static const int COUNT = 6; | |
| 55 | |
| 56 static const ServerOperationPriority ANALYSIS_NOTIFICATION = | |
| 57 const ServerOperationPriority._(0, "ANALYSIS_NOTIFICATION"); | |
| 58 | |
| 59 static const ServerOperationPriority ANALYSIS_INDEX = | |
| 60 const ServerOperationPriority._(1, "ANALYSIS_INDEX"); | |
| 61 | |
| 62 static const ServerOperationPriority PRIORITY_ANALYSIS_CONTINUE = | |
| 63 const ServerOperationPriority._(2, "PRIORITY_ANALYSIS_CONTINUE"); | |
| 64 | |
| 65 static const ServerOperationPriority PRIORITY_ANALYSIS = | |
| 66 const ServerOperationPriority._(3, "PRIORITY_ANALYSIS"); | |
| 67 | |
| 68 static const ServerOperationPriority ANALYSIS_CONTINUE = | |
| 69 const ServerOperationPriority._(4, "ANALYSIS_CONTINUE"); | |
| 70 | |
| 71 static const ServerOperationPriority ANALYSIS = | |
| 72 const ServerOperationPriority._(5, "ANALYSIS"); | |
| 73 | |
| 74 final int ordinal; | |
| 75 final String name; | |
| 76 | |
| 77 const ServerOperationPriority._(this.ordinal, this.name); | |
| 78 | |
| 79 @override | |
| 80 String toString() => name; | |
| 81 } | |
| 82 | |
| 83 /** | |
| 84 * [SourceSensitiveOperation] can decide if the operation should be discarded | |
| 85 * before a change is applied to a [Source]. | |
| 86 */ | |
| 87 abstract class SourceSensitiveOperation extends ServerOperation { | |
| 88 SourceSensitiveOperation(AnalysisContext context) : super(context); | |
| 89 | |
| 90 /** | |
| 91 * The given [source] is about to be changed. | |
| 92 * Check if this [SourceSensitiveOperation] should be discarded. | |
| 93 */ | |
| 94 bool shouldBeDiscardedOnSourceChange(Source source); | |
| 95 } | |
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Chromium Code Reviews
Issue 2957643002:
Remove the unused operations queue (Closed)
