org.apache.hadoop.hdfs.util

Class StripedBlockUtil.VerticalRange

java.lang.Object

org.apache.hadoop.hdfs.util.StripedBlockUtil.VerticalRange

Enclosing class:

org.apache.hadoop.hdfs.util.StripedBlockUtil

public static class StripedBlockUtil.VerticalRange
extends Object

A simple utility class representing an arbitrary vertical inclusive range starting at offsetInBlock and lasting for spanInBlock bytes in an internal block. Note that VerticalRange doesn't necessarily align with StripingCell. |<- Striped Block Group ->| blk_0 | v +-----+ |~~~~~| <-- offsetInBlock | | ^ | | | | | | spanInBlock | | v |~~~~~| --- | | +-----+

Field Summary

Fields

Modifier and Type	Field and Description
long	offsetInBlock start offset in the block group (inclusive).
long	spanInBlock length of the stripe range.

Constructor Summary

Constructors

Constructor and Description
VerticalRange(long offsetInBlock, long length)

Method Summary

Modifier and Type	Method and Description
boolean	include(long pos) whether a position is in the range.
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

offsetInBlock

public long offsetInBlock

start offset in the block group (inclusive).

spanInBlock

public long spanInBlock

length of the stripe range.

Constructor Detail

VerticalRange

public VerticalRange(long offsetInBlock,
                     long length)

Method Detail

include

public boolean include(long pos)

whether a position is in the range.

toString

public String toString()

Overrides:

toString in class Object