org.apache.hadoop.hdfs.server.diskbalancer.planner

Class NodePlan

java.lang.Object

org.apache.hadoop.hdfs.server.diskbalancer.planner.NodePlan

public class NodePlan
extends Object

NodePlan is a set of volumeSetPlans.

Constructor Summary

Constructors

Constructor and Description
NodePlan() Constructs an Empty Node Plan.
NodePlan(String datanodeName, int rpcPort) Constructs an empty NodePlan.

Method Summary

Modifier and Type	Method and Description
String	getNodeName() Returns the DataNode URI.
String	getNodeUUID() gets the Node UUID.
int	getPort() Gets the DataNode RPC Port.
long	getTimeStamp() returns timestamp when this plan was created.
List<Step>	getVolumeSetPlans() Returns a Map of VolumeSetIDs and volumeSetPlans.
static NodePlan	parseJson(String json) Parses a Json string and converts to NodePlan.
void	setNodeName(String nodeName) Sets Node Name.
void	setNodeUUID(String nodeUUID) Sets the Node UUID.
void	setPort(int port) Sets the DataNode RPC Port.
void	setTimeStamp(long timeStamp) Sets the timestamp when this plan was created.
void	setURI(String dataNodeName) Sets the DataNodeURI.
void	setVolumeSetPlans(List<Step> volumeSetPlans) Sets a volume List plan.
String	toJson() Returns a Json representation of NodePlan.

Methods inherited from class java.lang.Object

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

Constructor Detail

NodePlan

public NodePlan()

Constructs an Empty Node Plan.

NodePlan

public NodePlan(String datanodeName,
                int rpcPort)

Constructs an empty NodePlan.

Method Detail

getTimeStamp

public long getTimeStamp()

returns timestamp when this plan was created.

Returns:

long

setTimeStamp

public void setTimeStamp(long timeStamp)

Sets the timestamp when this plan was created.

Parameters:

timeStamp -

getVolumeSetPlans

public List<Step> getVolumeSetPlans()

Returns a Map of VolumeSetIDs and volumeSetPlans.

Returns:

Map

setNodeName

public void setNodeName(String nodeName)

Sets Node Name.

Parameters:

nodeName - - Name

setVolumeSetPlans

public void setVolumeSetPlans(List<Step> volumeSetPlans)

Sets a volume List plan.

Parameters:

volumeSetPlans - - List of plans.

getNodeName

public String getNodeName()

Returns the DataNode URI.

Returns:

URI

setURI

public void setURI(String dataNodeName)

Sets the DataNodeURI.

Parameters:

dataNodeName - - String

getPort

public int getPort()

Gets the DataNode RPC Port.

Returns:

port

setPort

public void setPort(int port)

Sets the DataNode RPC Port.

Parameters:

port - - int

parseJson

public static NodePlan parseJson(String json)
                          throws IOException

Parses a Json string and converts to NodePlan.

Parameters:

json - - Json String

Returns:

NodePlan

Throws:

IOException

toJson

public String toJson()
              throws IOException

Returns a Json representation of NodePlan.

Returns:

- json String

Throws:

IOException

getNodeUUID

public String getNodeUUID()

gets the Node UUID.

Returns:

Node UUID.

setNodeUUID

public void setNodeUUID(String nodeUUID)

Sets the Node UUID.

Parameters:

nodeUUID - - UUID of the node.