| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.intellij.psi.util; |
| |
| import com.intellij.openapi.components.ServiceManager; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.Key; |
| import com.intellij.openapi.util.ModificationTracker; |
| import com.intellij.util.messages.Topic; |
| import org.jetbrains.annotations.NotNull; |
| |
| public interface PsiModificationTracker extends ModificationTracker { |
| class SERVICE { |
| private SERVICE() { |
| } |
| |
| public static PsiModificationTracker getInstance(Project project) { |
| return ServiceManager.getService(project, PsiModificationTracker.class); |
| } |
| } |
| |
| /** |
| * This key can be passed as a dependency in a {@link com.intellij.psi.util.CachedValueProvider}. |
| * @see #getModificationCount() |
| */ |
| Key MODIFICATION_COUNT = Key.create("MODIFICATION_COUNT"); |
| |
| /** |
| * This key can be passed as a dependency in a {@link com.intellij.psi.util.CachedValueProvider}. |
| * @see #getOutOfCodeBlockModificationCount() |
| */ |
| Key OUT_OF_CODE_BLOCK_MODIFICATION_COUNT = Key.create("OUT_OF_CODE_BLOCK_MODIFICATION_COUNT"); |
| |
| /** |
| * This key can be passed as a dependency in a {@link com.intellij.psi.util.CachedValueProvider}. |
| * @see #getJavaStructureModificationCount() |
| */ |
| Key JAVA_STRUCTURE_MODIFICATION_COUNT = Key.create("JAVA_STRUCTURE_MODIFICATION_COUNT"); |
| |
| Topic<Listener> TOPIC = new Topic<Listener>("modification tracker", Listener.class, Topic.BroadcastDirection.TO_PARENT); |
| |
| /** |
| * Tracks any PSI modification. |
| * @return current counter value. |
| */ |
| @Override |
| long getModificationCount(); |
| |
| long getOutOfCodeBlockModificationCount(); |
| |
| @NotNull |
| ModificationTracker getOutOfCodeBlockModificationTracker(); |
| |
| long getJavaStructureModificationCount(); |
| |
| @NotNull |
| ModificationTracker getJavaStructureModificationTracker(); |
| |
| interface Listener { |
| void modificationCountChanged(); |
| } |
| } |