/**
 * 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.conversation;

/**
 * Extends {@link ConversationBlip} to provide events, sourced from the
 * {@link #getConversation() conversation} object.
 *
 * @author anorth@google.com (Alex North)
 */
public interface ObservableConversationBlip extends ConversationBlip {

  // Covariant specialisations

  @Override
  ObservableConversation getConversation();

  @Override
  ObservableConversationThread getThread();

  @Override
  Iterable<? extends ObservableConversationThread> getReplyThreads();

  @Override
  Iterable<? extends LocatedReplyThread<? extends ObservableConversationThread>>
      locateReplyThreads();

  @Override
  ObservableConversationThread getReplyThread(String id);


  @Override
  ObservableConversationThread addReplyThread();

  @Override
  ObservableConversationThread addReplyThread(int location);
}