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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 com.google.common.annotations.GwtCompatible;
import java.util.Collection;
import java.util.Comparator;
import java.util.Iterator;
import java.util.NavigableSet;
/**
* A {@link Multiset} which maintains the ordering of its elements, according to
* either their natural order or an explicit {@link Comparator}. In all cases,
* this implementation uses {@link Comparable#compareTo} or
* {@link Comparator#compare} instead of {@link Object#equals} to determine
* equivalence of instances.
*
* Warning: The comparison must be consistent with equals as
* explained by the {@link Comparable} class specification. Otherwise, the
* resulting multiset will violate the {@link Collection} contract, which it is
* specified in terms of {@link Object#equals}.
*
*
See the Guava User Guide article on
* {@code Multiset}.
*
* @author Louis Wasserman
* @since 11.0
*
* @deprecated The Google Guava Core Libraries are deprecated and will not be part of the AEM SDK after April 2023
*/
@Beta
@GwtCompatible(emulated = true)
@Deprecated(since = "2022-12-01")
public interface SortedMultiset extends SortedMultisetBridge, SortedIterable {
/**
* Returns the comparator that orders this multiset, or
* {@link Ordering#natural()} if the natural ordering of the elements is used.
*/
Comparator comparator();
/**
* Returns the entry of the first element in this multiset, or {@code null} if
* this multiset is empty.
*/
Entry firstEntry();
/**
* Returns the entry of the last element in this multiset, or {@code null} if
* this multiset is empty.
*/
Entry lastEntry();
/**
* Returns and removes the entry associated with the lowest element in this
* multiset, or returns {@code null} if this multiset is empty.
*/
Entry pollFirstEntry();
/**
* Returns and removes the entry associated with the greatest element in this
* multiset, or returns {@code null} if this multiset is empty.
*/
Entry pollLastEntry();
/**
* Returns a {@link NavigableSet} view of the distinct elements in this multiset.
*
* @since 14.0 (present with return type {@code SortedSet} since 11.0)
*/
@Override
NavigableSet elementSet();
/**
* {@inheritDoc}
*
* The iterator returns the elements in ascending order according to this
* multiset's comparator.
*/
@Override
Iterator iterator();
/**
* Returns a descending view of this multiset. Modifications made to either
* map will be reflected in the other.
*/
SortedMultiset descendingMultiset();
/**
* Returns a view of this multiset restricted to the elements less than
* {@code upperBound}, optionally including {@code upperBound} itself. The
* returned multiset is a view of this multiset, so changes to one will be
* reflected in the other. The returned multiset supports all operations that
* this multiset supports.
*
* The returned multiset will throw an {@link IllegalArgumentException} on
* attempts to add elements outside its range.
*/
SortedMultiset headMultiset(E upperBound, BoundType boundType);
/**
* Returns a view of this multiset restricted to the range between
* {@code lowerBound} and {@code upperBound}. The returned multiset is a view
* of this multiset, so changes to one will be reflected in the other. The
* returned multiset supports all operations that this multiset supports.
*
* The returned multiset will throw an {@link IllegalArgumentException} on
* attempts to add elements outside its range.
*
*
This method is equivalent to
* {@code tailMultiset(lowerBound, lowerBoundType).headMultiset(upperBound,
* upperBoundType)}.
*/
SortedMultiset subMultiset(E lowerBound, BoundType lowerBoundType, E upperBound, BoundType upperBoundType);
/**
* Returns a view of this multiset restricted to the elements greater than
* {@code lowerBound}, optionally including {@code lowerBound} itself. The
* returned multiset is a view of this multiset, so changes to one will be
* reflected in the other. The returned multiset supports all operations that
* this multiset supports.
*
* The returned multiset will throw an {@link IllegalArgumentException} on
* attempts to add elements outside its range.
*/
SortedMultiset tailMultiset(E lowerBound, BoundType boundType);
}