org.apache.nutch.scoring.webgraph

Class LinkDatum

java.lang.Object

org.apache.nutch.scoring.webgraph.LinkDatum

All Implemented Interfaces:

org.apache.hadoop.io.Writable

public class LinkDatum
extends Object
implements org.apache.hadoop.io.Writable

A class for holding link information including the url, anchor text, a score, the timestamp of the link and a link type.

Field Summary

Fields

Modifier and Type	Field and Description
static byte	INLINK
static byte	OUTLINK

Constructor Summary

Constructors

Constructor and Description
LinkDatum() Default constructor, no url, timestamp, score, or link type.
LinkDatum(String url) Creates a LinkDatum with a given url.
LinkDatum(String url, String anchor) Creates a LinkDatum with a url and an anchor text.
LinkDatum(String url, String anchor, long timestamp)

Method Summary

Methods

Modifier and Type	Method and Description
String	getAnchor()
byte	getLinkType()
float	getScore()
long	getTimestamp()
String	getUrl()
void	readFields(DataInput in)
void	setAnchor(String anchor)
void	setLinkType(byte linkType)
void	setScore(float score)
void	setTimestamp(long timestamp)
void	setUrl(String url)
String	toString()
void	write(DataOutput out)

Methods inherited from class java.lang.Object

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

Field Detail

INLINK

public static final byte INLINK

See Also:

Constant Field Values

OUTLINK

public static final byte OUTLINK

See Also:

Constant Field Values

Constructor Detail

LinkDatum

public LinkDatum()

Default constructor, no url, timestamp, score, or link type.

LinkDatum

public LinkDatum(String url)

Creates a LinkDatum with a given url. Timestamp is set to current time.

Parameters:

url - The link url.

LinkDatum

public LinkDatum(String url,
         String anchor)

Creates a LinkDatum with a url and an anchor text. Timestamp is set to current time.

Parameters:

url - The link url.

anchor - The link anchor text.

LinkDatum

public LinkDatum(String url,
         String anchor,
         long timestamp)

Method Detail

getUrl

public String getUrl()

getAnchor

public String getAnchor()

setAnchor

public void setAnchor(String anchor)

getScore

public float getScore()

setScore

public void setScore(float score)

setUrl

public void setUrl(String url)

getTimestamp

public long getTimestamp()

setTimestamp

public void setTimestamp(long timestamp)

getLinkType

public byte getLinkType()

setLinkType

public void setLinkType(byte linkType)

readFields

public void readFields(DataInput in)
                throws IOException

Specified by:

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

Throws:

IOException

write

public void write(DataOutput out)
           throws IOException

Specified by:

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

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object