/** * 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.adt; /** * Provides a map of keys to monotonically increasing values. This interface * only guarantees that values seen by {@link #get(Object)} will increase * monotonically, and will be at least that last set by a * {@link #put(Object, Object)}. * * Values may never be set to null, but may be null initially. * * When {@link #put(Object, Object)}ing values, if there is already a value * associated with the same key that is equal or greater (as defined by * {@link Comparable#compareTo(Object)}), the put call has no effect. * * @param <K> key type * @param <C> value type (must be comparable) */ public interface MonotonicMap<K, C extends Comparable<C>> extends BasicMap<K, C> { }