WaveletReadState.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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();
}