ivory.core.data.document

Class TermDocVectorsForwardIndex

java.lang.Object

ivory.core.data.document.TermDocVectorsForwardIndex

public class TermDocVectorsForwardIndex
extends Object

Object providing an index into one or more SequenceFiles containing TermDocVectors, providing random access to the document vectors.

Author:

Jimmy Lin

See Also:

BuildTermDocVectorsForwardIndex

Field Summary

Fields

Modifier and Type	Field and Description
static long	BigNumber

Constructor Summary

Constructors

Constructor and Description
TermDocVectorsForwardIndex(String indexPath, FileSystem fs) Creates a {code TermDocVectorsIndex} object.

Method Summary

Methods

Modifier and Type	Method and Description
TermDocVector	getDocVector(int docno) Returns the document vector given a docno.
static void	main(String[] args) Simple test program.

Methods inherited from class java.lang.Object

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

Field Detail

BigNumber

public static final long BigNumber

See Also:

Constant Field Values

Constructor Detail

TermDocVectorsForwardIndex

public TermDocVectorsForwardIndex(String indexPath,
                          FileSystem fs)
                           throws IOException

Creates a {code TermDocVectorsIndex} object.

Parameters:

indexPath - location of the index file

fs - handle to the FileSystem

Throws:

IOException

Method Detail

getDocVector

public TermDocVector getDocVector(int docno)
                           throws IOException

Returns the document vector given a docno.

Throws:

IOException

main

public static void main(String[] args)
                 throws Exception

Simple test program.

Throws:

Exception