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

Class DiskBalancerWorkStatus.DiskBalancerWorkEntry

java.lang.Object

org.apache.hadoop.hdfs.server.datanode.DiskBalancerWorkStatus.DiskBalancerWorkEntry

Enclosing class:

DiskBalancerWorkStatus

public static class DiskBalancerWorkStatus.DiskBalancerWorkEntry
extends Object

A class that is used to report each work item that we are working on. This class describes the Source, Destination and how much data has been already moved, errors encountered etc. This is useful for the disk balancer stats as well as the queryStatus RPC.

Constructor Summary

Constructors

Constructor	Description
DiskBalancerWorkEntry()	Constructor needed for json serialization.
DiskBalancerWorkEntry(String workItem)
DiskBalancerWorkEntry(String sourcePath, String destPath, DiskBalancerWorkItem workItem)	Constructs a Work Entry class.

Method Summary

Modifier and Type	Method	Description
String	getDestPath()	Gets the Destination path.
String	getSourcePath()	Returns the source path.
DiskBalancerWorkItem	getWorkItem()	Gets the current status of work for these volumes.
void	setDestPath(String destPath)	Sets the destination path.
void	setSourcePath(String sourcePath)	Sets the Source Path.
void	setWorkItem(DiskBalancerWorkItem workItem)	Sets the work item.

Methods inherited from class java.lang.Object

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

Constructor Details

DiskBalancerWorkEntry

public DiskBalancerWorkEntry()

Constructor needed for json serialization.

DiskBalancerWorkEntry

public DiskBalancerWorkEntry(String workItem)
                      throws IOException

Throws:

IOException

DiskBalancerWorkEntry

public DiskBalancerWorkEntry(String sourcePath,
 String destPath,
 DiskBalancerWorkItem workItem)

Constructs a Work Entry class.

Parameters:

sourcePath - - Source Path where we are moving data from.

destPath - - Destination path to where we are moving data to.

workItem - - Current work status of this move.

Method Details

getSourcePath

public String getSourcePath()

Returns the source path.

Returns:

- Source path

setSourcePath

public void setSourcePath(String sourcePath)

Sets the Source Path.

Parameters:

sourcePath - - Volume Path.

getDestPath

public String getDestPath()

Gets the Destination path.

Returns:

- Path

setDestPath

public void setDestPath(String destPath)

Sets the destination path.

Parameters:

destPath - - Path

getWorkItem

public DiskBalancerWorkItem getWorkItem()

Gets the current status of work for these volumes.

Returns:

- Work Item

setWorkItem

public void setWorkItem(DiskBalancerWorkItem workItem)

Sets the work item.

Parameters:

workItem - - sets the work item information