org.terrier.structures.bit

Class BlockFieldDirectInvertedOutputStream

java.lang.Object

org.terrier.structures.AbstractPostingOutputStream

org.terrier.structures.bit.DirectInvertedOutputStream

org.terrier.structures.bit.FieldDirectInvertedOutputStream

org.terrier.structures.bit.BlockFieldDirectInvertedOutputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class BlockFieldDirectInvertedOutputStream
extends FieldDirectInvertedOutputStream

Writes out a blocks and fields direct index to an output stream

Field Summary

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

lastDocid, logger, output

Constructor Summary

Constructors

Constructor and Description
BlockFieldDirectInvertedOutputStream(BitOut out) Constructs an instance of the class with
BlockFieldDirectInvertedOutputStream(OutputStream os)
BlockFieldDirectInvertedOutputStream(String filename) Constructs an instance of the class with

Method Summary

Modifier and Type	Method and Description
Class<? extends IterablePosting>	getPostingIteratorClass() Returns the IterablePosting class to use for reading structure written by this class
protected void	writePostingNotDocid(Posting _p) Hook method for writing out the remainder of the posting

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

close, getBitOffset, getBitOut, getByteOffset, getLastDocidWritten, getOffset, writeNoFieldPostings, writePostings, writePostings, writePostings, writePostings, writePostings, writePostings

Methods inherited from class java.lang.Object

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

Constructor Detail

BlockFieldDirectInvertedOutputStream

public BlockFieldDirectInvertedOutputStream(BitOut out)

Constructs an instance of the class with

Parameters:

out -

BlockFieldDirectInvertedOutputStream

public BlockFieldDirectInvertedOutputStream(String filename)
                                     throws IOException

Constructs an instance of the class with

Parameters:

filename -

Throws:

IOException

BlockFieldDirectInvertedOutputStream

public BlockFieldDirectInvertedOutputStream(OutputStream os)
                                     throws IOException

Throws:

IOException

Method Detail

getPostingIteratorClass

public Class<? extends IterablePosting> getPostingIteratorClass()

Description copied from class: DirectInvertedOutputStream

Returns the IterablePosting class to use for reading structure written by this class

Overrides:

getPostingIteratorClass in class FieldDirectInvertedOutputStream

writePostingNotDocid

protected void writePostingNotDocid(Posting _p)
                             throws IOException

Description copied from class: DirectInvertedOutputStream

Hook method for writing out the remainder of the posting

Overrides:

writePostingNotDocid in class FieldDirectInvertedOutputStream

Throws:

IOException