| /* |
| * Copyright (C) 2011 The Guava Authors |
| * |
| * 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.common.collect; |
| |
| import com.google.common.annotations.GwtIncompatible; |
| import org.checkerframework.checker.nullness.compatqual.NullableDecl; |
| |
| /** |
| * A descending wrapper around an {@code ImmutableSortedMultiset} |
| * |
| * @author Louis Wasserman |
| */ |
| @SuppressWarnings("serial") // uses writeReplace, not default serialization |
| @GwtIncompatible |
| final class DescendingImmutableSortedMultiset<E> extends ImmutableSortedMultiset<E> { |
| private final transient ImmutableSortedMultiset<E> forward; |
| |
| DescendingImmutableSortedMultiset(ImmutableSortedMultiset<E> forward) { |
| this.forward = forward; |
| } |
| |
| @Override |
| public int count(@NullableDecl Object element) { |
| return forward.count(element); |
| } |
| |
| @Override |
| public Entry<E> firstEntry() { |
| return forward.lastEntry(); |
| } |
| |
| @Override |
| public Entry<E> lastEntry() { |
| return forward.firstEntry(); |
| } |
| |
| @Override |
| public int size() { |
| return forward.size(); |
| } |
| |
| @Override |
| public ImmutableSortedSet<E> elementSet() { |
| return forward.elementSet().descendingSet(); |
| } |
| |
| @Override |
| Entry<E> getEntry(int index) { |
| return forward.entrySet().asList().reverse().get(index); |
| } |
| |
| @Override |
| public ImmutableSortedMultiset<E> descendingMultiset() { |
| return forward; |
| } |
| |
| @Override |
| public ImmutableSortedMultiset<E> headMultiset(E upperBound, BoundType boundType) { |
| return forward.tailMultiset(upperBound, boundType).descendingMultiset(); |
| } |
| |
| @Override |
| public ImmutableSortedMultiset<E> tailMultiset(E lowerBound, BoundType boundType) { |
| return forward.headMultiset(lowerBound, boundType).descendingMultiset(); |
| } |
| |
| @Override |
| boolean isPartialView() { |
| return forward.isPartialView(); |
| } |
| } |