Package org.apache.hadoop.hdfs.util

Class ReadOnlyList.Util

java.lang.Object

org.apache.hadoop.hdfs.util.ReadOnlyList.Util

Enclosing interface:

ReadOnlyList<E>

public static class ReadOnlyList.Util
extends Object

Utilities for ReadOnlyList

Constructor Summary

Constructors

Constructor	Description
Util()

Method Summary

Modifier and Type	Method	Description
static <E> List<E>	asList(ReadOnlyList<E> list)
static <E> ReadOnlyList<E>	asReadOnlyList(List<E> list)
static <K, E extends Comparable<K>> int	binarySearch(ReadOnlyList<E> list, K key)	The same as Collections.binarySearch(List, Object) except that the list is a ReadOnlyList.
static <E> ReadOnlyList<E>	emptyList()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Util

public Util()

Method Details

emptyList

public static <E> ReadOnlyList<E> emptyList()

Returns:

an empty list.

binarySearch

public static <K,
E extends Comparable<K>> int binarySearch(ReadOnlyList<E> list,
 K key)

The same as Collections.binarySearch(List, Object) except that the list is a ReadOnlyList.

Returns:

the insertion point defined in Collections.binarySearch(List, Object).

asReadOnlyList

public static <E> ReadOnlyList<E> asReadOnlyList(List<E> list)

Returns:

a ReadOnlyList view of the given list.

asList

public static <E> List<E> asList(ReadOnlyList<E> list)

Returns:

a List view of the given list.