uk.ac.gla.terrier.structures
Class BlockDirectInvertedOutputStream

java.lang.Object
  uk.ac.gla.terrier.structures.DirectInvertedOutputStream
      uk.ac.gla.terrier.structures.BlockDirectInvertedOutputStream

All Implemented Interfaces:

Closeable

public class BlockDirectInvertedOutputStream
extends DirectInvertedOutputStream

Writes a block direct or block inverted index, when passed appropriate posting lists.

Since:

2.0

Version:

$Revision: 1.5 $

Author:

Craig Macdonald

Constructor Summary

BlockDirectInvertedOutputStream(BitOut out, int binaryBits)
Creates a new output stream, writing to the specified BitOut implementation.

BlockDirectInvertedOutputStream(java.lang.String filename, int binaryBits)
Creates a new output stream, writing a BitOutputStream to the specified file.

Method Summary

Methods inherited from class uk.ac.gla.terrier.structures.DirectInvertedOutputStream

close, getBitOffset, getBitOut, getByteOffset, writePostings, writePostings

Methods inherited from class java.lang.Object

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

Constructor Detail

BlockDirectInvertedOutputStream

public BlockDirectInvertedOutputStream(java.lang.String filename,
                                       int binaryBits)
                                throws java.io.IOException

Creates a new output stream, writing a BitOutputStream to the specified file. The number of binary bits for fields must also be specified.

Parameters:

filename - Location of the file to write to

binaryBits - the number of fields in this index

Throws:

java.io.IOException

BlockDirectInvertedOutputStream

public BlockDirectInvertedOutputStream(BitOut out,
                                       int binaryBits)

Creates a new output stream, writing to the specified BitOut implementation. The number of binary bits for fields must also be specified.

Parameters:

out - BitOut implementation to write the file to

binaryBits - the number of fields in this index