com.google.common.collect.SortedMultiset.java Source code

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Here is the source code for com.google.common.collect.SortedMultiset.java

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/*
 * 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.Beta;

import java.util.Comparator;
import java.util.SortedSet;

/**
 * GWT emulation of {@code SortedMultiset}, with {@code elementSet} reduced
 * to returning a {@code SortedSet} for GWT compatibility.
 * 
 * @author Louis Wasserman
 * @since 11.0
 */
@Beta
public interface SortedMultiset<E> extends Multiset<E>, SortedIterable<E> {
    Comparator<? super E> comparator();

    Entry<E> firstEntry();

    Entry<E> lastEntry();

    Entry<E> pollFirstEntry();

    Entry<E> pollLastEntry();

    /**
     * Returns a {@link SortedSet} view of the distinct elements in this multiset.
     * (Outside GWT, this returns a {@code NavigableSet}.)
     */
    @Override
    SortedSet<E> elementSet();

    SortedMultiset<E> descendingMultiset();

    SortedMultiset<E> headMultiset(E upperBound, BoundType boundType);

    SortedMultiset<E> subMultiset(E lowerBound, BoundType lowerBoundType, E upperBound, BoundType upperBoundType);

    SortedMultiset<E> tailMultiset(E lowerBound, BoundType boundType);
}