/* Copyright (c) 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 com.google.wave.api.event;
import com.google.wave.api.Wavelet;
import com.google.wave.api.impl.EventMessageBundle;
/**
* Event triggered when the tags on a wavelet change.
*/
public class WaveletTagsChangedEvent extends AbstractEvent {
/**
* Constructor.
*
* @param wavelet the wavelet where this event occurred.
* @param bundle the message bundle this event belongs to.
* @param modifiedBy the id of the participant that triggered this event.
* @param timestamp the timestamp of this event.
* @param blipId the id of the submitted blip.
*/
public WaveletTagsChangedEvent(Wavelet wavelet, EventMessageBundle bundle, String modifiedBy,
Long timestamp, String blipId) {
super(EventType.WAVELET_TAGS_CHANGED, wavelet, bundle, modifiedBy, timestamp, blipId);
}
/**
* Constructor for deserialization.
*/
public WaveletTagsChangedEvent() {}
/**
* 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 WaveletTagsChangedEvent as(Event event) {
if (!(event instanceof WaveletTagsChangedEvent)) {
return null;
}
return WaveletTagsChangedEvent.class.cast(event);
}
}