uk.ac.gla.terrier.structures.indexing.singlepass.hadoop
Class WritableByteArray

java.lang.Object
  uk.ac.gla.terrier.structures.indexing.singlepass.hadoop.WritableByteArray

All Implemented Interfaces:

org.apache.hadoop.io.Writable

Direct Known Subclasses:

MapEmittedPostingList

public class WritableByteArray
extends java.lang.Object
implements org.apache.hadoop.io.Writable

Represents a Writable Posting List. Contains the Posting List, DOcument Frequency and Term Frequency.

Since:

2.2

Version:

$Revision: 1.2 $

Author:

Richard McCreadie

Constructor Summary

WritableByteArray()
Empty Constructor

WritableByteArray(int c)
Constructor - with Document Frequency

WritableByteArray(int c, int c2)
Constructor - with Document Frequency and Term Frequency

Method Summary

static WritableByteArray	create_Hadoop_WritableByteArray(byte[] b) Factory Method
static WritableByteArray	create_Hadoop_WritableByteArray(byte[] b, int c) Factory Method
static WritableByteArray	create_Hadoop_WritableByteArray(byte[] b, int c, int c2) Factory Method
byte[]	getArray()
int	getDocumentFreq()
int	getTermFreq()
void	readFields(java.io.DataInput arg0) Read this object from the input stream 'in'
void	setArray(byte[] b)
void	setDocumentFreq(int DocumentFreq)
void	setTermFrequency(int TermFreq)
java.lang.String	toString()
void	write(java.io.DataOutput arg0) Write this object to the output stream 'out'

Methods inherited from class java.lang.Object

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

Constructor Detail

WritableByteArray

public WritableByteArray()

Empty Constructor

WritableByteArray

public WritableByteArray(int c)

Constructor - with Document Frequency

Parameters:

c - - Document Frequency

WritableByteArray

public WritableByteArray(int c,
                         int c2)

Constructor - with Document Frequency and Term Frequency

Parameters:

c - - Document Frequency

c2 - - Term Frequency

Method Detail

create_Hadoop_WritableByteArray

public static WritableByteArray create_Hadoop_WritableByteArray(byte[] b)
                                                         throws java.io.IOException

Factory Method

Parameters:

b - - Posting List

Returns:

a newly created object

Throws:

java.io.IOException

create_Hadoop_WritableByteArray

public static WritableByteArray create_Hadoop_WritableByteArray(byte[] b,
                                                                int c)
                                                         throws java.io.IOException

Factory Method

Parameters:

b - - Posting List

c - - Document Frequency

Returns:

a newly created object

Throws:

java.io.IOException

create_Hadoop_WritableByteArray

public static WritableByteArray create_Hadoop_WritableByteArray(byte[] b,
                                                                int c,
                                                                int c2)
                                                         throws java.io.IOException

Factory Method

Parameters:

b - - Posting List

c - - Document Frequency

c2 - - Term Frequency

Returns:

a newly created Indexing_WritableByteArray

Throws:

java.io.IOException

readFields

public void readFields(java.io.DataInput arg0)
                throws java.io.IOException

Read this object from the input stream 'in'

Specified by:

readFields in interface org.apache.hadoop.io.Writable

Throws:

java.io.IOException

write

public void write(java.io.DataOutput arg0)
           throws java.io.IOException

Write this object to the output stream 'out'

Specified by:

write in interface org.apache.hadoop.io.Writable

Throws:

java.io.IOException

setArray

public void setArray(byte[] b)

getArray

public byte[] getArray()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getDocumentFreq

public int getDocumentFreq()

setDocumentFreq

public void setDocumentFreq(int DocumentFreq)

getTermFreq

public int getTermFreq()

setTermFrequency

public void setTermFrequency(int TermFreq)