Package org.apache.hadoop.hdfs.protocol

Class ReencryptionStatusIterator

java.lang.Object

org.apache.hadoop.fs.BatchedRemoteIterator<java.lang.Long,ZoneReencryptionStatus>

org.apache.hadoop.hdfs.protocol.ReencryptionStatusIterator

All Implemented Interfaces:

org.apache.hadoop.fs.RemoteIterator<ZoneReencryptionStatus>

@Private
public class ReencryptionStatusIterator
extends org.apache.hadoop.fs.BatchedRemoteIterator<java.lang.Long,ZoneReencryptionStatus>

ReencryptionStatusIterator is a remote iterator that iterates over the reencryption status of encryption zones. It supports retrying in case of namenode failover.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.fs.BatchedRemoteIterator

org.apache.hadoop.fs.BatchedRemoteIterator.BatchedEntries<E extends java.lang.Object>, org.apache.hadoop.fs.BatchedRemoteIterator.BatchedListEntries<E extends java.lang.Object>

Constructor Summary

Constructors

Constructor	Description
ReencryptionStatusIterator(ClientProtocol namenode, org.apache.hadoop.tracing.Tracer tracer)

Method Summary

Modifier and Type	Method	Description
java.lang.Long	elementToPrevKey(ZoneReencryptionStatus entry)
org.apache.hadoop.fs.BatchedRemoteIterator.BatchedEntries<ZoneReencryptionStatus>	makeRequest(java.lang.Long prevId)

Methods inherited from class org.apache.hadoop.fs.BatchedRemoteIterator

hasNext, next

Methods inherited from class java.lang.Object

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

Constructor Detail

ReencryptionStatusIterator

public ReencryptionStatusIterator(ClientProtocol namenode,
                                  org.apache.hadoop.tracing.Tracer tracer)

Method Detail

makeRequest

public org.apache.hadoop.fs.BatchedRemoteIterator.BatchedEntries<ZoneReencryptionStatus> makeRequest(java.lang.Long prevId)
                                                                                              throws java.io.IOException

Specified by:

makeRequest in class org.apache.hadoop.fs.BatchedRemoteIterator<java.lang.Long,ZoneReencryptionStatus>

Throws:

java.io.IOException

elementToPrevKey

public java.lang.Long elementToPrevKey(ZoneReencryptionStatus entry)

Specified by:

elementToPrevKey in class org.apache.hadoop.fs.BatchedRemoteIterator<java.lang.Long,ZoneReencryptionStatus>