com.tangosol.net.partition
Interface KeyPartitioningStrategy

public interface KeyPartitioningStrategy

A KeyPartitioningStrategy is a pluggable strategy for assigning keys to specific partitions.

Since:

Coherence 3.0

Method Summary

int	getKeyPartition(java.lang.Object oKey) Determine the partition to which a particular key should be assigned.
void	init(PartitionedService service) Initialize the KeyPartitioningStrategy and bind it to a PartitionedService.

Method Detail

init

void init(PartitionedService service)

Initialize the KeyPartitioningStrategy and bind it to a PartitionedService.

Parameters:

service - the PartitionedService that this strategy is being bound to

getKeyPartition

int getKeyPartition(java.lang.Object oKey)

Determine the partition to which a particular key should be assigned.

The resulting partition ID must be in the range [0..N), where N is the value returned from PartitionedService.getPartitionCount().

Parameters:

oKey - a key in its Object form

Returns:

the parition ID that the specified key is assigned to

See Also:

PartitionAssignmentStrategy.getPartitionOwner(int)