voldemort.cluster
Class Cluster

java.lang.Object
  voldemort.cluster.Cluster

All Implemented Interfaces:

java.io.Serializable

public class Cluster
extends java.lang.Object
implements java.io.Serializable

A representation of the voldemort cluster

See Also:

Serialized Form

Constructor Summary

Cluster(java.lang.String name, java.util.List<Node> nodes)

Cluster(java.lang.String name, java.util.List<Node> nodes, java.util.List<Zone> zones)

Method Summary

static Cluster	cloneCluster(Cluster cluster) Clones the cluster by constructing a new one with same name, partition layout, and nodes.
boolean	equals(java.lang.Object second)
java.lang.String	getName()
Node	getNodeById(int id)
Node	getNodeForPartitionId(int partitionId)
java.util.Set<java.lang.Integer>	getNodeIds()
java.util.Set<java.lang.Integer>	getNodeIdsInZone(java.lang.Integer zoneId)
java.util.Collection<Node>	getNodes()
int	getNumberOfNodes()
int	getNumberOfNodesInZone(java.lang.Integer zoneId)
int	getNumberOfPartitions()
int	getNumberOfPartitionsInZone(java.lang.Integer zoneId)
int	getNumberOfZones()
java.util.Set<java.lang.Integer>	getPartitionIdsInZone(java.lang.Integer zoneId)
Node[]	getPartitionIdToNodeArray()
java.util.Map<java.lang.Integer,java.lang.Integer>	getPartitionIdToNodeIdMap()
Zone	getZoneById(int id)
Zone	getZoneForPartitionId(int partitionId)
java.util.Set<java.lang.Integer>	getZoneIds()
java.util.Collection<Zone>	getZones()
int	hashCode()
boolean	hasNodeWithId(int nodeId) Given a cluster and a node id checks if the node exists
java.lang.String	toString()
java.lang.String	toString(boolean isDetailed) Return a detailed string representation of the current cluster

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Cluster

public Cluster(java.lang.String name,
               java.util.List<Node> nodes)

Cluster

public Cluster(java.lang.String name,
               java.util.List<Node> nodes,
               java.util.List<Zone> zones)

Method Detail

getName

public java.lang.String getName()

getNodes

public java.util.Collection<Node> getNodes()

getNodeIds

public java.util.Set<java.lang.Integer> getNodeIds()

Returns:

Sorted set of node Ids

getZoneIds

public java.util.Set<java.lang.Integer> getZoneIds()

Returns:

Sorted set of Zone Ids

getZones

public java.util.Collection<Zone> getZones()

getZoneById

public Zone getZoneById(int id)

getNumberOfZones

public int getNumberOfZones()

getNumberOfPartitionsInZone

public int getNumberOfPartitionsInZone(java.lang.Integer zoneId)

getNumberOfNodesInZone

public int getNumberOfNodesInZone(java.lang.Integer zoneId)

getNodeIdsInZone

public java.util.Set<java.lang.Integer> getNodeIdsInZone(java.lang.Integer zoneId)

Returns:

Sorted set of node Ids for given zone

getPartitionIdsInZone

public java.util.Set<java.lang.Integer> getPartitionIdsInZone(java.lang.Integer zoneId)

Returns:

Sorted set of partition Ids for given zone

getZoneForPartitionId

public Zone getZoneForPartitionId(int partitionId)

getNodeForPartitionId

public Node getNodeForPartitionId(int partitionId)

getPartitionIdToNodeArray

public Node[] getPartitionIdToNodeArray()

getPartitionIdToNodeIdMap

public java.util.Map<java.lang.Integer,java.lang.Integer> getPartitionIdToNodeIdMap()

Returns:

Map of partition id to node id.

getNodeById

public Node getNodeById(int id)

hasNodeWithId

public boolean hasNodeWithId(int nodeId)

Given a cluster and a node id checks if the node exists

Parameters:

nodeId - The node id to search for

Returns:

True if cluster contains the node id, else false

getNumberOfNodes

public int getNumberOfNodes()

getNumberOfPartitions

public int getNumberOfPartitions()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

toString

public java.lang.String toString(boolean isDetailed)

Return a detailed string representation of the current cluster

Parameters:

isDetailed -

Returns:

descripton of cluster

cloneCluster

public static Cluster cloneCluster(Cluster cluster)

Clones the cluster by constructing a new one with same name, partition layout, and nodes.

Parameters:

cluster -

Returns:

clone of Cluster cluster.

equals

public boolean equals(java.lang.Object second)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object