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Diffstat (limited to 'gcc-4.4.3/libjava/classpath/external/jsr166/java/util/concurrent/ConcurrentNavigableMap.java')
| -rw-r--r-- | gcc-4.4.3/libjava/classpath/external/jsr166/java/util/concurrent/ConcurrentNavigableMap.java | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/external/jsr166/java/util/concurrent/ConcurrentNavigableMap.java b/gcc-4.4.3/libjava/classpath/external/jsr166/java/util/concurrent/ConcurrentNavigableMap.java new file mode 100644 index 000000000..7d86afb70 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/external/jsr166/java/util/concurrent/ConcurrentNavigableMap.java @@ -0,0 +1,148 @@ +/* + * 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/licenses/publicdomain + */ + +package java.util.concurrent; +import java.util.*; + +/** + * 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}/../technotes/guides/collections/index.html"> + * 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 + * <tt>{@link Collections#reverseOrder(Comparator) Collections.reverseOrder}(comparator())</tt>. + * 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 {@code iterator} is a "weakly consistent" iterator + * that will never throw {@link ConcurrentModificationException}, + * and guarantees to traverse elements as they existed upon + * construction of the iterator, and may (but is not guaranteed to) + * reflect any modifications subsequent to construction. + * + * @return a navigable set view of the keys in this map + */ + public 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 {@code iterator} is a "weakly consistent" iterator + * that will never throw {@link ConcurrentModificationException}, + * and guarantees to traverse elements as they existed upon + * construction of the iterator, and may (but is not guaranteed to) + * reflect any modifications subsequent to construction. + * + * <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 {@code iterator} is a "weakly consistent" iterator + * that will never throw {@link ConcurrentModificationException}, + * and guarantees to traverse elements as they existed upon + * construction of the iterator, and may (but is not guaranteed to) + * reflect any modifications subsequent to construction. + * + * @return a reverse order navigable set view of the keys in this map + */ + public NavigableSet<K> descendingKeySet(); +} |