/* * Copyright 2000-2017 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.openapi.components; /** * To check that component stat is changed and must be saved, `getState` is called. * To reduce `getState` calls {@link com.intellij.openapi.util.ModificationTracker} can be implemented. * But common interface can lead to confusion (if meaning of 'modification count' for serialization and for other clients is different). * So, you can use this interface to distinguish use cases. */ public interface PersistentStateComponentWithModificationTracker<T> extends PersistentStateComponent<T> { long getStateModificationCount(); }