/**
* Copyright 2010 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.wave.data;
import org.waveprotocol.wave.model.wave.ParticipantId;
import java.util.Set;
/**
* Defines the readable abstract data type used to implement a blip's state.
*/
public interface ReadableBlipData {
/**
* Gets the wavelet in which this blip appears.
*
* @return the wavelet in which this blip appears.
*/
ReadableWaveletData getWavelet();
/**
* Gets the wave participant that created this blip.
*
* @return the creator of this blip.
*/
ParticipantId getAuthor();
/**
* Gets an immutable set of contributors, in order of {@code addContributor()}.
*
* @return this blip's contributors.
*/
Set<ParticipantId> getContributors();
/**
* Gets the epoch time of the last modification to this blip.
*
* @return the last-modified time of this blip.
*/
long getLastModifiedTime();
/**
* Gets the wavelet version of the last modification to this blip.
*
* @return the last-modified version of this blip.
*/
long getLastModifiedVersion();
/**
* Gets the document content of this blip.
*/
DocumentOperationSink getContent();
/**
* Gets an identifier for this blip, which is unique within the wavelet.
*
* @return an identifier for this blip, which is unique within the wavelet.
*/
String getId();
}