content: /*
   * Copyright (C) 2018 The Android Open Source Project
   *
   * 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.android.server.slice;
  
  import org.xmlpull.v1.XmlSerializer;
  
  import java.io.IOException;
  
  /**
   * A parent object that cares when a Persistable changes and will schedule a serialization
   * in response to the onPersistableDirty callback.
   */
  public interface DirtyTracker {
      void onPersistableDirty(Persistable obj);
  
      /**
       * An object that can be written to XML.
       */
      interface Persistable {
          String getFileName();
          void writeTo(XmlSerializer out) throws IOException;
      }
  }
  