it.unimi.di.big.mg4j.index.cluster

Class LexicalStrategies

java.lang.Object

it.unimi.di.big.mg4j.index.cluster.LexicalStrategies

public class LexicalStrategies
extends Object

Static utility methods for lexical strategies.

Author:

Alessandro Arrabito, Sebastiano Vigna

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	LexicalStrategies()

Method Summary

Methods

Modifier and Type	Method and Description
static ContiguousLexicalStrategy	uniform(int numberOfLocalIndices, Index index) Creates an contiguous lexical strategy in which all local indices have approximately the same number of documents.

Methods inherited from class java.lang.Object

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

Constructor Detail

LexicalStrategies

protected LexicalStrategies()

Method Detail

uniform

public static ContiguousLexicalStrategy uniform(int numberOfLocalIndices,
                                Index index)
                                         throws IOException

Creates an contiguous lexical strategy in which all local indices have approximately the same number of documents.

Parameters:

numberOfLocalIndices - the number of local indices.

index - the global index to be partitioned.

Returns:

a ContiguousLexicalStrategy that will partition in index in numberOfLocalIndices local indices of approximately equal size.

Throws:

IOException