Package org.apache.hadoop.hdfs.server.datanode

Class DataNodeLayoutSubLockStrategy

java.lang.Object

org.apache.hadoop.hdfs.server.datanode.DataNodeLayoutSubLockStrategy

All Implemented Interfaces:

DataSetSubLockStrategy

public class DataNodeLayoutSubLockStrategy
extends Object
implements DataSetSubLockStrategy

Constructor Summary

Constructors

Constructor	Description
DataNodeLayoutSubLockStrategy()

Method Summary

Modifier and Type	Method	Description
String	blockIdToSubLock(long blockid)	Generate sub lock name for the given blockid.
List<String>	getAllSubLockNames()

Methods inherited from class java.lang.Object

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

Constructor Details

DataNodeLayoutSubLockStrategy

public DataNodeLayoutSubLockStrategy()

Method Details

blockIdToSubLock

public String blockIdToSubLock(long blockid)

Description copied from interface: DataSetSubLockStrategy

Generate sub lock name for the given blockid.

Specified by:

blockIdToSubLock in interface DataSetSubLockStrategy

Parameters:

blockid - the block id.

Returns:

sub lock name for the input blockid.

getAllSubLockNames

public List<String> getAllSubLockNames()

Specified by:

getAllSubLockNames in interface DataSetSubLockStrategy