org.terrier.structures.bit

Class BlockDirectIndexInputStream

java.lang.Object

org.terrier.structures.bit.BitPostingIndexInputStream

org.terrier.structures.bit.DirectIndexInputStream

org.terrier.structures.bit.BlockDirectIndexInputStream

All Implemented Interfaces:

Closeable, AutoCloseable, Iterator<IterablePosting>, PostingIndexInputStream, Skipable

Deprecated.

public class BlockDirectIndexInputStream
extends DirectIndexInputStream

This class reads the block field direct index structure sequentially, as an input stream.

Author:

Douglas Johnson, Vassilis Plachouras

See Also:

BlockDirectIndex

Field Summary

Fields

Modifier and Type	Field and Description
protected int	DocumentBlockCountDelta Deprecated.

Fields inherited from class org.terrier.structures.bit.BitPostingIndexInputStream

currentEntryCount, currentFile, currentPointer, doi, entriesSkipped, fieldCount, file, fileCount, index, logger, pointerList, postingConstructor, postingIteratorClass, structureName

Constructor Summary

Constructors

Constructor and Description
BlockDirectIndexInputStream(IndexOnDisk index, String structureName) Deprecated. Constructs an index of the class with
BlockDirectIndexInputStream(IndexOnDisk index, String structureName, Class<? extends IterablePosting> postingClass) Deprecated. Constructs an index of the class with

Method Summary

Methods

Modifier and Type	Method and Description
int[][]	getNextTerms(BitIndexPointer pointer) Deprecated. Get the terms for the next document at the pointer specified

Methods inherited from class org.terrier.structures.bit.DirectIndexInputStream

getDocumentIndex, getNextTerms

Methods inherited from class org.terrier.structures.bit.BitPostingIndexInputStream

_next, close, getCurrentPointer, getEntriesSkipped, getFilename, getFilename, getNextPostings, getNumberOfCurrentPostings, getPos, hasNext, loadPostingIterator, next, print, remove, skip

Methods inherited from class java.lang.Object

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

Field Detail

DocumentBlockCountDelta

protected int DocumentBlockCountDelta

Deprecated.

Constructor Detail

BlockDirectIndexInputStream

public BlockDirectIndexInputStream(IndexOnDisk index,
                           String structureName)
                            throws IOException

Deprecated.

Constructs an index of the class with

Parameters:

index -

structureName -

Throws:

IOException

BlockDirectIndexInputStream

public BlockDirectIndexInputStream(IndexOnDisk index,
                           String structureName,
                           Class<? extends IterablePosting> postingClass)
                            throws IOException

Deprecated.

Constructs an index of the class with

Parameters:

index -

structureName -

postingClass -

Throws:

IOException

Method Detail

getNextTerms

public int[][] getNextTerms(BitIndexPointer pointer)
                     throws IOException

Deprecated.

Get the terms for the next document at the pointer specified

Overrides:

getNextTerms in class DirectIndexInputStream

Throws:

IOException