Package org.apache.hadoop.fs.impl

Class BackReference

java.lang.Object

org.apache.hadoop.fs.impl.BackReference

public class BackReference
extends Object

Holds reference to an object to be attached to a stream or store to avoid the reference being lost to GC.

Constructor Summary

Constructors

Constructor	Description
BackReference(Object reference)

Method Summary

Modifier and Type	Method	Description
boolean	isNull()	is the reference null?
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

BackReference

public BackReference(@Nullable
 Object reference)

Method Details

isNull

public boolean isNull()

is the reference null?

Returns:

true if the ref. is null, else false.

toString

public String toString()

Overrides:

toString in class Object