/* Copyright (c) 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 com.google.wave.api.event;
import com.google.wave.api.Blip;
import com.google.wave.api.Wavelet;
import com.google.wave.api.impl.EventMessageBundle;
/**
* Event triggered when a blip is removed.
*/
public class WaveletBlipRemovedEvent extends AbstractEvent {
/** The id of the removed blip. */
private final String removedBlipId;
/**
* Constructor.
*
* @param wavelet the wavelet in which this blip was removed.
* @param bundle the message bundle this event belongs to.
* @param modifiedBy the id of the participant that removed this blip.
* @param timestamp the timestamp of this event.
* @param rootBlipId the root blip id of the wavelet where this event occurs.
* @param removedBlipId the id of the removed blip.
*/
public WaveletBlipRemovedEvent(Wavelet wavelet, EventMessageBundle bundle, String modifiedBy,
Long timestamp, String rootBlipId, String removedBlipId) {
super(EventType.WAVELET_BLIP_REMOVED, wavelet, bundle, modifiedBy, timestamp, rootBlipId);
this.removedBlipId = removedBlipId;
}
/**
* Constructor for deserialization.
*/
WaveletBlipRemovedEvent() {
this.removedBlipId = null;
}
/**
* Returns the id of the removed blip.
*
* @return the id of the removed blip.
*/
public String getRemovedBlipId() {
return removedBlipId;
}
/**
* Returns the removed blip.
*
* @return the removed blip.
*/
public Blip getRemovedBlip() {
return wavelet.getBlip(removedBlipId);
}
/**
* Helper method for type conversion.
*
* @return the concrete type of this event, or {@code null} if it is of a
* different event type.
*/
public static WaveletBlipRemovedEvent as(Event event) {
if (!(event instanceof WaveletBlipRemovedEvent)) {
return null;
}
return WaveletBlipRemovedEvent.class.cast(event);
}
}