com.hazelcast.partition.impl
Interface PartitionStateGenerator

All Known Implementing Classes:

PartitionStateGeneratorImpl

public interface PartitionStateGenerator

Method Summary

Address[][]	initialize(Collection<MemberGroup> groups, int partitionCount) Returns the initial layout for the partitions.
Address[][]	reArrange(Collection<MemberGroup> groups, InternalPartition[] currentState) Rearranges the partition layout.

Method Detail

initialize

Address[][] initialize(Collection<MemberGroup> groups,
                       int partitionCount)

Returns the initial layout for the partitions.

A 2 dimensional array of addresses is returned where the first index is the partition id, and the second index is the replica index.

Parameters:

groups -

partitionCount - the number of partitions.

Returns:

reArrange

Address[][] reArrange(Collection<MemberGroup> groups,
                      InternalPartition[] currentState)

Rearranges the partition layout.

This method does not actually change the partitions, but send back the updated layout.

A 2 dimensional array of addresses is returned where the first index is the partition id, and the second index is the replica index.

Parameters:

groups -

currentState - the current partition state.

Returns: