WaveletReadState.java

/**
 * Copyright 2009 Google Inc.
 *
 * 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 org.waveprotocol.wave.model.supplement;

/**
 * Supplement-like interface relevant for a single wavelet in a conversation.
 * Exposes the overriding last-read version, last-read participant version,
 * and per-blip versions.
 */
interface WaveletReadState {
  void setWaveletLastReadVersion(int version);
  void setParticipantsLastReadVersion(int version);
  void setTagsLastReadVersion(int version);
  void setBlipLastReadVersion(String blipId, int version);
  int getWaveletLastReadVersion();
  int getParticipantsLastReadVersion();
  int getTagsLastReadVersion();
  int getBlipLastReadVersion(String blipId);
  Iterable<String> getReadBlips();
  void clearBlipReadState(String blipId);
  void remove();
}