org.terrier.matching

Class FatUtils

java.lang.Object

org.terrier.matching.FatUtils

public class FatUtils
extends Object

Various utilities for the dealing with FatResultSets.

Since:

4.0

Author:

Craig Macdonald

Constructor Summary

Constructors

Constructor and Description
FatUtils()

Method Summary

Modifier and Type	Method and Description
static void	dump(FatResultSet frs)
static WritablePosting	firstPosting(WritablePosting[] writablePostings)
protected static WritablePosting	firstPosting(WritablePosting[][] postings)
protected static WritablePosting	firstPosting(WritablePosting[][] postings, int termIndex)
static String	getInfo(FatResultSet frs)
static void	main(String[] args)
static Index	makeIndex(FatResultSet frs)
static Iterator<Map.Entry<String,FatResultSet>>	readFatResultSet(String filename)
static void	readFields(FatResultSet frs, DataInput in)
protected static void	readFieldsV2(FatResultSet frs, DataInput in)
protected static void	readFieldsV3(FatResultSet frs, DataInput in)
protected static void	readFieldsV4(FatResultSet frs, DataInput in)
protected static void	readFieldsV5(FatResultSet frs, DataInput in)
static FatResultSet	recreate(FatResultSet frs)
static void	write(FatResultSet frs, DataOutput out)
static void	writeV3(FatResultSet frs, DataOutput out)
static void	writeV5(FatResultSet frs, DataOutput out)

Methods inherited from class java.lang.Object

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

Constructor Detail

FatUtils

public FatUtils()

Method Detail

recreate

public static FatResultSet recreate(FatResultSet frs)
                             throws IOException

Throws:

IOException

readFields

public static void readFields(FatResultSet frs,
                              DataInput in)
                       throws IOException

Throws:

IOException

readFieldsV2

protected static void readFieldsV2(FatResultSet frs,
                                   DataInput in)
                            throws IOException

Throws:

IOException

readFieldsV3

protected static void readFieldsV3(FatResultSet frs,
                                   DataInput in)
                            throws IOException

Throws:

IOException

readFieldsV4

protected static void readFieldsV4(FatResultSet frs,
                                   DataInput in)
                            throws IOException

Throws:

IOException

readFieldsV5

protected static void readFieldsV5(FatResultSet frs,
                                   DataInput in)
                            throws IOException

Throws:

IOException

write

public static void write(FatResultSet frs,
                         DataOutput out)
                  throws IOException

Throws:

IOException

writeV3

public static void writeV3(FatResultSet frs,
                           DataOutput out)
                    throws IOException

Throws:

IOException

writeV5

public static void writeV5(FatResultSet frs,
                           DataOutput out)
                    throws IOException

Throws:

IOException

makeIndex

public static Index makeIndex(FatResultSet frs)

firstPosting

protected static WritablePosting firstPosting(WritablePosting[][] postings)

firstPosting

protected static WritablePosting firstPosting(WritablePosting[][] postings,
                                              int termIndex)

firstPosting

public static WritablePosting firstPosting(WritablePosting[] writablePostings)

getInfo

public static String getInfo(FatResultSet frs)

dump

public static void dump(FatResultSet frs)

readFatResultSet

public static Iterator<Map.Entry<String,FatResultSet>> readFatResultSet(String filename)
                                                                 throws IOException

Throws:

IOException

main

public static void main(String[] args)
                 throws IOException

Throws:

IOException