Package org.apache.hadoop.hdfs.util

Class CyclicIteration<K,V>

java.lang.Object

org.apache.hadoop.hdfs.util.CyclicIteration<K,V>

All Implemented Interfaces:

java.lang.Iterable<java.util.Map.Entry<K,V>>

@Private
@Unstable
public class CyclicIteration<K,V>
extends java.lang.Object
implements java.lang.Iterable<java.util.Map.Entry<K,V>>

Provide an cyclic Iterator for a NavigableMap. The Iterator navigates the entries of the map according to the map's ordering. If the Iterator hits the last entry of the map, it will then continue from the first entry.

Constructor Summary

Constructors

Constructor	Description
CyclicIteration(java.util.NavigableMap<K,V> navigablemap, K startingkey)	Construct an Iterable object, so that an Iterator can be created for iterating the given NavigableMap.

Method Summary

Modifier and Type	Method	Description
java.util.Iterator<java.util.Map.Entry<K,V>>	iterator()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

CyclicIteration

public CyclicIteration(java.util.NavigableMap<K,V> navigablemap,
                       K startingkey)

Construct an Iterable object, so that an Iterator can be created for iterating the given NavigableMap. The iteration begins from the starting key exclusively.

Method Detail

iterator

public java.util.Iterator<java.util.Map.Entry<K,V>> iterator()

Specified by:

iterator in interface java.lang.Iterable<K>