org.apache.ignite.internal.processors.affinity

Class GridAffinityAssignment

java.lang.Object

org.apache.ignite.internal.processors.affinity.GridAffinityAssignment

All Implemented Interfaces:

Serializable, AffinityAssignment

public class GridAffinityAssignment
extends Object
implements AffinityAssignment, Serializable

Cached affinity calculations.

See Also:

Serialized Form

Method Summary

Modifier and Type	Method and Description
List<List<ClusterNode>>	assignment()
Set<Integer>	backupPartitions(UUID nodeId) Get backup partitions for specified node ID.
boolean	clientEventChange()
boolean	equals(Object o)
List<ClusterNode>	get(int part) Get affinity nodes for partition.
HashSet<UUID>	getIds(int part) Get affinity node IDs for partition.
int	hashCode()
List<List<ClusterNode>>	idealAssignment()
Set<ClusterNode>	nodes()
Set<ClusterNode>	primaryPartitionNodes()
Set<Integer>	primaryPartitions(UUID nodeId) Get primary partitions for specified node ID.
AffinityTopologyVersion	topologyVersion()
String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

clientEventChange

public boolean clientEventChange()

Specified by:

clientEventChange in interface AffinityAssignment

Returns:

True if related discovery event did not not cause affinity assignment change and this assignment is just reference to the previous one.

idealAssignment

public List<List<ClusterNode>> idealAssignment()

Specified by:

idealAssignment in interface AffinityAssignment

Returns:

Affinity assignment computed by affinity function.

assignment

public List<List<ClusterNode>> assignment()

Specified by:

assignment in interface AffinityAssignment

Returns:

Affinity assignment.

topologyVersion

public AffinityTopologyVersion topologyVersion()

Specified by:

topologyVersion in interface AffinityAssignment

Returns:

Topology version.

get

public List<ClusterNode> get(int part)

Get affinity nodes for partition.

Specified by:

get in interface AffinityAssignment

Parameters:

part - Partition.

Returns:

Affinity nodes.

getIds

public HashSet<UUID> getIds(int part)

Get affinity node IDs for partition.

Specified by:

getIds in interface AffinityAssignment

Parameters:

part - Partition.

Returns:

Affinity nodes IDs.

nodes

public Set<ClusterNode> nodes()

Specified by:

nodes in interface AffinityAssignment

Returns:

Nodes having parimary and backup assignments.

primaryPartitionNodes

public Set<ClusterNode> primaryPartitionNodes()

Specified by:

primaryPartitionNodes in interface AffinityAssignment

Returns:

Nodes having primary partitions assignments.

primaryPartitions

public Set<Integer> primaryPartitions(UUID nodeId)

Get primary partitions for specified node ID.

Specified by:

primaryPartitions in interface AffinityAssignment

Parameters:

nodeId - Node ID to get primary partitions for.

Returns:

Primary partitions for specified node ID.

backupPartitions

public Set<Integer> backupPartitions(UUID nodeId)

Get backup partitions for specified node ID.

Specified by:

backupPartitions in interface AffinityAssignment

Parameters:

nodeId - Node ID to get backup partitions for.

Returns:

Backup partitions for specified node ID.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object