org.apache.ignite.ml.dataset.impl.cache.util

Class DatasetAffinityFunctionWrapper

java.lang.Object

org.apache.ignite.ml.dataset.impl.cache.util.DatasetAffinityFunctionWrapper

All Implemented Interfaces:

Serializable, AffinityFunction

public class DatasetAffinityFunctionWrapper
extends Object
implements AffinityFunction

Affinity function wrapper that uses key as a partition index and delegates all other functions to specified delegate.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
DatasetAffinityFunctionWrapper(AffinityFunction delegate) Constructs a new instance of affinity function wrapper.

Method Summary

Modifier and Type	Method and Description
List<List<ClusterNode>>	assignPartitions(AffinityFunctionContext affCtx)
int	partition(Object key) Returns key as a partition index.
int	partitions()
void	removeNode(UUID nodeId)
void	reset()

Methods inherited from class java.lang.Object

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

Constructor Detail

DatasetAffinityFunctionWrapper

public DatasetAffinityFunctionWrapper(AffinityFunction delegate)

Constructs a new instance of affinity function wrapper.

Parameters:

delegate - Affinity function which actually performs all methods except partition().

Method Detail

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)

Returns key as a partition index.

Specified by:

partition in interface AffinityFunction

Parameters:

key - Partition index.

Returns:

Partition index.

assignPartitions

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

Specified by:

assignPartitions in interface AffinityFunction

removeNode

public void removeNode(UUID nodeId)

Specified by:

removeNode in interface AffinityFunction