Package org.terrier.structures.bit

Class DirectInvertedDocidOnlyOuptutStream

java.lang.Object

org.terrier.structures.AbstractPostingOutputStream

org.terrier.structures.bit.DirectInvertedOutputStream

org.terrier.structures.bit.DirectInvertedDocidOnlyOuptutStream

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class DirectInvertedDocidOnlyOuptutStream
extends DirectInvertedOutputStream

A BitPosting writing class that doesn't write any frequency information

Since:

3.0

Author:

Craig Macdonald

See Also:

CompressionFactory.BitIdOnlyCompressionConfiguration

Field Summary

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

lastDocid, logger, output

Constructor Summary

Constructors

Constructor	Description
DirectInvertedDocidOnlyOuptutStream(java.lang.String filename)	Constructs an instance of the class with
DirectInvertedDocidOnlyOuptutStream(BitOut out)	Constructs an instance of the class with

Method Summary

Modifier and Type	Method	Description
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, getPostingIteratorClass, 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

DirectInvertedDocidOnlyOuptutStream

public DirectInvertedDocidOnlyOuptutStream(java.lang.String filename)
                                    throws java.io.IOException

Constructs an instance of the class with

Parameters:

filename -

Throws:

java.io.IOException

DirectInvertedDocidOnlyOuptutStream

public DirectInvertedDocidOnlyOuptutStream(BitOut out)

Constructs an instance of the class with

Parameters:

out -

Method Detail

writePostingNotDocid

protected void writePostingNotDocid(Posting p)
                             throws java.io.IOException

Description copied from class: DirectInvertedOutputStream

Hook method for writing out the remainder of the posting

Overrides:

writePostingNotDocid in class DirectInvertedOutputStream

Throws:

java.io.IOException