Package org.apache.storm.scheduler.resource

Class RasNodes

java.lang.Object

org.apache.storm.scheduler.resource.RasNodes

public class RasNodes
extends Object

Constructor Summary

Constructors

Constructor	Description
RasNodes(Cluster cluster)

Method Summary

Modifier and Type	Method	Description
void	freeSlots(Collection<WorkerSlot> workerSlots)	Free everything on the given slots.
static Map<String,RasNode>	getAllNodesFrom(Cluster cluster)
Map<String,List<RasNode>>	getHostnameToNodes()	Get a map with list of RasNode for each hostname.
RasNode	getNodeById(String nodeId)	get node object from nodeId.
Map<String,String>	getNodeIdToHostname()	Get a map from RasNodeId to HostName.
Collection<RasNode>	getNodes()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

RasNodes

public RasNodes(Cluster cluster)

Method Details

getAllNodesFrom

public static Map<String,RasNode> getAllNodesFrom(Cluster cluster)

getNodeById

public RasNode getNodeById(String nodeId)

get node object from nodeId.

freeSlots

public void freeSlots(Collection<WorkerSlot> workerSlots)

Free everything on the given slots.

Parameters:

workerSlots - the slots to free

getNodes

public Collection<RasNode> getNodes()

getHostnameToNodes

public Map<String,List<RasNode>> getHostnameToNodes()

Get a map with list of RasNode for each hostname.

Returns:

map of hostname to a list of RasNode

getNodeIdToHostname

public Map<String,String> getNodeIdToHostname()

Get a map from RasNodeId to HostName.

Returns:

map of nodeId to hostname

toString

public String toString()

Overrides:

toString in class Object