org.apache.ignite.tests.p2p

Class GridExternalAffinityFunction

java.lang.Object

org.apache.ignite.tests.p2p.GridExternalAffinityFunction

All Implemented Interfaces:

Serializable, AffinityFunction

public class GridExternalAffinityFunction
extends Object
implements AffinityFunction

Mock affinity implementation that ensures constant key-to-node mapping based on GridCacheModuloAffinity The partition selection is as follows: 0 maps to partition 1 and any other value maps to partition 1.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static String	IDX_ATTR Node attribute for index.

Constructor Summary

Constructors

Constructor and Description
GridExternalAffinityFunction() Empty constructor.
GridExternalAffinityFunction(int parts, int backups)

Method Summary

Methods

Modifier and Type	Method and Description
List<List<ClusterNode>>	assignPartitions(AffinityFunctionContext ctx)
Collection<ClusterNode>	nodes(int part, Collection<ClusterNode> nodes) Assigns nodes to one partition.
int	partition(Object key)
int	partitions()
void	removeNode(UUID nodeId)
void	reset()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

IDX_ATTR

public static final String IDX_ATTR

Node attribute for index.

See Also:

Constant Field Values

Constructor Detail

GridExternalAffinityFunction

public GridExternalAffinityFunction()

Empty constructor. Equivalent for new GridCacheModuloAffinity(2, 0).

GridExternalAffinityFunction

public GridExternalAffinityFunction(int parts,
                            int backups)

Parameters:

parts - Number of partitions.

backups - Number of backups.

Method Detail

assignPartitions

public List<List<ClusterNode>> assignPartitions(AffinityFunctionContext ctx)

Specified by:

assignPartitions in interface AffinityFunction

nodes

public Collection<ClusterNode> nodes(int part,
                            Collection<ClusterNode> nodes)

Assigns nodes to one partition.

Parameters:

part - Partition to assign nodes for.

nodes - Cache topology nodes.

Returns:

Assigned nodes, first node is primary, others are backups.

reset

public void reset()

Specified by:

reset in interface AffinityFunction

partitions

public int partitions()

Specified by:

partitions in interface AffinityFunction

partition

public int partition(Object key)

Specified by:

partition in interface AffinityFunction

removeNode

public void removeNode(UUID nodeId)

Specified by:

removeNode in interface AffinityFunction

Parameters:

nodeId -

toString

public String toString()

Overrides:

toString in class Object