public interface PartitioningStrategy extends Serializable
When partitioning an index, there are a few pieces of data that must be provided independently of the particular strategy chosen. This interface embodies methods to access them.
Each local index is defined by an integer starting from 0 up to
numberOfLocalIndices() − 1. Each local index is also associated with a
properties() that is usually merged with the property file
of the local index.
null(in that case, the set of properties is assumed to be empty).