/**
* 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.adt;
/**
* Extension of a {@link MonotonicMap} that broadcasts events whenever
* the map state changes.
*
* The semantics of an {@link ObservableBasicMap} are refined by the map being
* monotonic. For the
* {@link ObservableBasicMap.Listener#onEntrySet(Object, Object, Object)}
* method, the new value will always be greater than or equal to the old value
* for a key, unless the entire map is being deleted - in which case the new
* value will be null.
*
*/
public interface ObservableMonotonicMap<K, C extends Comparable<C>>
extends MonotonicMap<K, C>, ObservableBasicMap<K, C> { }