/**
* 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.document.indexed;
/**
* Simple listener for changes to annotations.
*
* @author danilatos@google.com (Daniel Danilatos)
*/
public interface AnnotationSetListener<V> {
/**
* Called when a potential annotation change occurs.
*
* The caller need not guarantee that all of the range did not already have
* the new value for the given key.
*
* @param start beginning of the range
* @param end end of the range
* @param key key that changed
* @param newValue new value, which may be null
*/
void onAnnotationChange(int start, int end, String key, V newValue);
}