170 lines
6.7 KiB
Java
170 lines
6.7 KiB
Java
![]() |
/*
|
||
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
||
|
*
|
||
|
* This code is free software; you can redistribute it and/or modify it
|
||
|
* under the terms of the GNU General Public License version 2 only, as
|
||
|
* published by the Free Software Foundation. Oracle designates this
|
||
|
* particular file as subject to the "Classpath" exception as provided
|
||
|
* by Oracle in the LICENSE file that accompanied this code.
|
||
|
*
|
||
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
||
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||
|
* version 2 for more details (a copy is included in the LICENSE file that
|
||
|
* accompanied this code).
|
||
|
*
|
||
|
* You should have received a copy of the GNU General Public License version
|
||
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
||
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
||
|
*
|
||
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
||
|
* or visit www.oracle.com if you need additional information or have any
|
||
|
* questions.
|
||
|
*/
|
||
|
|
||
|
/*
|
||
|
* This file is available under and governed by the GNU General Public
|
||
|
* License version 2 only, as published by the Free Software Foundation.
|
||
|
* However, the following notice accompanied the original version of this
|
||
|
* file:
|
||
|
*
|
||
|
* Written by Doug Lea with assistance from members of JCP JSR-166
|
||
|
* Expert Group and released to the public domain, as explained at
|
||
|
* http://creativecommons.org/publicdomain/zero/1.0/
|
||
|
*/
|
||
|
|
||
|
package java.util.concurrent;
|
||
|
|
||
|
import java.util.NavigableMap;
|
||
|
import java.util.NavigableSet;
|
||
|
|
||
|
/**
|
||
|
* A {@link ConcurrentMap} supporting {@link NavigableMap} operations,
|
||
|
* and recursively so for its navigable sub-maps.
|
||
|
*
|
||
|
* <p>This interface is a member of the
|
||
|
* <a href="{@docRoot}/java.base/java/util/package-summary.html#CollectionsFramework">
|
||
|
* Java Collections Framework</a>.
|
||
|
*
|
||
|
* @author Doug Lea
|
||
|
* @param <K> the type of keys maintained by this map
|
||
|
* @param <V> the type of mapped values
|
||
|
* @since 1.6
|
||
|
*/
|
||
|
public interface ConcurrentNavigableMap<K,V>
|
||
|
extends ConcurrentMap<K,V>, NavigableMap<K,V>
|
||
|
{
|
||
|
/**
|
||
|
* @throws ClassCastException {@inheritDoc}
|
||
|
* @throws NullPointerException {@inheritDoc}
|
||
|
* @throws IllegalArgumentException {@inheritDoc}
|
||
|
*/
|
||
|
ConcurrentNavigableMap<K,V> subMap(K fromKey, boolean fromInclusive,
|
||
|
K toKey, boolean toInclusive);
|
||
|
|
||
|
/**
|
||
|
* @throws ClassCastException {@inheritDoc}
|
||
|
* @throws NullPointerException {@inheritDoc}
|
||
|
* @throws IllegalArgumentException {@inheritDoc}
|
||
|
*/
|
||
|
ConcurrentNavigableMap<K,V> headMap(K toKey, boolean inclusive);
|
||
|
|
||
|
/**
|
||
|
* @throws ClassCastException {@inheritDoc}
|
||
|
* @throws NullPointerException {@inheritDoc}
|
||
|
* @throws IllegalArgumentException {@inheritDoc}
|
||
|
*/
|
||
|
ConcurrentNavigableMap<K,V> tailMap(K fromKey, boolean inclusive);
|
||
|
|
||
|
/**
|
||
|
* @throws ClassCastException {@inheritDoc}
|
||
|
* @throws NullPointerException {@inheritDoc}
|
||
|
* @throws IllegalArgumentException {@inheritDoc}
|
||
|
*/
|
||
|
ConcurrentNavigableMap<K,V> subMap(K fromKey, K toKey);
|
||
|
|
||
|
/**
|
||
|
* @throws ClassCastException {@inheritDoc}
|
||
|
* @throws NullPointerException {@inheritDoc}
|
||
|
* @throws IllegalArgumentException {@inheritDoc}
|
||
|
*/
|
||
|
ConcurrentNavigableMap<K,V> headMap(K toKey);
|
||
|
|
||
|
/**
|
||
|
* @throws ClassCastException {@inheritDoc}
|
||
|
* @throws NullPointerException {@inheritDoc}
|
||
|
* @throws IllegalArgumentException {@inheritDoc}
|
||
|
*/
|
||
|
ConcurrentNavigableMap<K,V> tailMap(K fromKey);
|
||
|
|
||
|
/**
|
||
|
* Returns a reverse order view of the mappings contained in this map.
|
||
|
* The descending map is backed by this map, so changes to the map are
|
||
|
* reflected in the descending map, and vice-versa.
|
||
|
*
|
||
|
* <p>The returned map has an ordering equivalent to
|
||
|
* {@link java.util.Collections#reverseOrder(Comparator) Collections.reverseOrder}{@code (comparator())}.
|
||
|
* The expression {@code m.descendingMap().descendingMap()} returns a
|
||
|
* view of {@code m} essentially equivalent to {@code m}.
|
||
|
*
|
||
|
* @return a reverse order view of this map
|
||
|
*/
|
||
|
ConcurrentNavigableMap<K,V> descendingMap();
|
||
|
|
||
|
/**
|
||
|
* Returns a {@link NavigableSet} view of the keys contained in this map.
|
||
|
* The set's iterator returns the keys in ascending order.
|
||
|
* The set is backed by the map, so changes to the map are
|
||
|
* reflected in the set, and vice-versa. The set supports element
|
||
|
* removal, which removes the corresponding mapping from the map,
|
||
|
* via the {@code Iterator.remove}, {@code Set.remove},
|
||
|
* {@code removeAll}, {@code retainAll}, and {@code clear}
|
||
|
* operations. It does not support the {@code add} or {@code addAll}
|
||
|
* operations.
|
||
|
*
|
||
|
* <p>The view's iterators and spliterators are
|
||
|
* <a href="package-summary.html#Weakly"><i>weakly consistent</i></a>.
|
||
|
*
|
||
|
* @return a navigable set view of the keys in this map
|
||
|
*/
|
||
|
NavigableSet<K> navigableKeySet();
|
||
|
|
||
|
/**
|
||
|
* Returns a {@link NavigableSet} view of the keys contained in this map.
|
||
|
* The set's iterator returns the keys in ascending order.
|
||
|
* The set is backed by the map, so changes to the map are
|
||
|
* reflected in the set, and vice-versa. The set supports element
|
||
|
* removal, which removes the corresponding mapping from the map,
|
||
|
* via the {@code Iterator.remove}, {@code Set.remove},
|
||
|
* {@code removeAll}, {@code retainAll}, and {@code clear}
|
||
|
* operations. It does not support the {@code add} or {@code addAll}
|
||
|
* operations.
|
||
|
*
|
||
|
* <p>The view's iterators and spliterators are
|
||
|
* <a href="package-summary.html#Weakly"><i>weakly consistent</i></a>.
|
||
|
*
|
||
|
* <p>This method is equivalent to method {@code navigableKeySet}.
|
||
|
*
|
||
|
* @return a navigable set view of the keys in this map
|
||
|
*/
|
||
|
NavigableSet<K> keySet();
|
||
|
|
||
|
/**
|
||
|
* Returns a reverse order {@link NavigableSet} view of the keys contained in this map.
|
||
|
* The set's iterator returns the keys in descending order.
|
||
|
* The set is backed by the map, so changes to the map are
|
||
|
* reflected in the set, and vice-versa. The set supports element
|
||
|
* removal, which removes the corresponding mapping from the map,
|
||
|
* via the {@code Iterator.remove}, {@code Set.remove},
|
||
|
* {@code removeAll}, {@code retainAll}, and {@code clear}
|
||
|
* operations. It does not support the {@code add} or {@code addAll}
|
||
|
* operations.
|
||
|
*
|
||
|
* <p>The view's iterators and spliterators are
|
||
|
* <a href="package-summary.html#Weakly"><i>weakly consistent</i></a>.
|
||
|
*
|
||
|
* @return a reverse order navigable set view of the keys in this map
|
||
|
*/
|
||
|
NavigableSet<K> descendingKeySet();
|
||
|
}
|