org.terrier.structures.bit

Class BlockInvertedIndexInputStream

java.lang.Object

org.terrier.structures.bit.BitPostingIndexInputStream

org.terrier.structures.bit.InvertedIndexInputStream

org.terrier.structures.bit.BlockInvertedIndexInputStream

All Implemented Interfaces:

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

Deprecated.

public class BlockInvertedIndexInputStream
extends InvertedIndexInputStream

Reads a BlockInvertedIndex as a stream

Since:

2.0

Author:

Craig Macdonald

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
BlockInvertedIndexInputStream(IndexOnDisk _index, String _structureName) Deprecated. Construct an instance of the class with
BlockInvertedIndexInputStream(IndexOnDisk _index, String _structureName, Class<? extends IterablePosting> _postingImplementation) Deprecated. Construct an instance of the class with
BlockInvertedIndexInputStream(IndexOnDisk _index, String structureName, Iterator<? extends LexiconEntry> lexInputStream) Deprecated. Construct an instance of the class with
BlockInvertedIndexInputStream(IndexOnDisk _index, String structureName, Iterator<? extends LexiconEntry> lexInputStream, Class<? extends IterablePosting> _postingIteratorClass) Deprecated. Construct an instance of the class with

Method Summary

Modifier and Type	Method and Description
protected int[][]	getNextDocuments(BitIndexPointer pointer) Deprecated. Get the set of documents for the given term pointer

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

getNextDocuments

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

_next, close, getCurrentPointer, getDocumentIndex, 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

Methods inherited from interface java.util.Iterator

forEachRemaining

Field Detail

DocumentBlockCountDelta

protected int DocumentBlockCountDelta

Deprecated.

Constructor Detail

BlockInvertedIndexInputStream

public BlockInvertedIndexInputStream(IndexOnDisk _index,
                                     String _structureName,
                                     Class<? extends IterablePosting> _postingImplementation)
                              throws IOException

Deprecated.

Construct an instance of the class with

Parameters:

_index -

_structureName -

_postingImplementation -

Throws:

IOException

BlockInvertedIndexInputStream

public BlockInvertedIndexInputStream(IndexOnDisk _index,
                                     String structureName,
                                     Iterator<? extends LexiconEntry> lexInputStream,
                                     Class<? extends IterablePosting> _postingIteratorClass)
                              throws IOException

Deprecated.

Construct an instance of the class with

Parameters:

_index -

structureName -

lexInputStream -

_postingIteratorClass -

Throws:

IOException

BlockInvertedIndexInputStream

public BlockInvertedIndexInputStream(IndexOnDisk _index,
                                     String structureName,
                                     Iterator<? extends LexiconEntry> lexInputStream)
                              throws IOException

Deprecated.

Construct an instance of the class with

Parameters:

_index -

structureName -

lexInputStream -

Throws:

IOException

BlockInvertedIndexInputStream

public BlockInvertedIndexInputStream(IndexOnDisk _index,
                                     String _structureName)
                              throws IOException

Deprecated.

Construct an instance of the class with

Parameters:

_index -

_structureName -

Throws:

IOException

Method Detail

getNextDocuments

protected int[][] getNextDocuments(BitIndexPointer pointer)
                            throws IOException

Deprecated.

Description copied from class: InvertedIndexInputStream

Get the set of documents for the given term pointer

Overrides:

getNextDocuments in class InvertedIndexInputStream

Parameters:

pointer - for the number of documents

Returns:

the integer form of the postings

Throws:

IOException