org.apache.hadoop.hdfs.util

Class Holder<T>

java.lang.Object

org.apache.hadoop.hdfs.util.Holder<T>

public class Holder<T>
extends Object

A Holder is simply a wrapper around some other object. This is useful in particular for storing immutable values like boxed Integers in a collection without having to do the "lookup" of the value twice.

Field Summary

Fields

Modifier and Type	Field and Description
T	held

Constructor Summary

Constructors

Constructor and Description
Holder(T held)

Method Summary

Methods

Modifier and Type	Method and Description
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

held

public T held

Constructor Detail

Holder

public Holder(T held)

Method Detail

toString

public String toString()

Overrides:

toString in class Object