org.apache.nutch.crawl

Class UrlWithScore

java.lang.Object

org.apache.nutch.crawl.UrlWithScore

All Implemented Interfaces:

Comparable<UrlWithScore>, Writable, WritableComparable<UrlWithScore>

public final class UrlWithScore
extends Object
implements WritableComparable<UrlWithScore>

A writable comparable container for an url with score. Provides a Partitioner and RawComparator implementations for easy integration with jobs.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	UrlWithScore.UrlOnlyPartitioner A partitioner by {url}.
static class	UrlWithScore.UrlScoreComparator Compares by {url,score}.

Constructor Summary

Constructors

Constructor and Description
UrlWithScore() Creates instance with empty url and zero score.
UrlWithScore(String url, float score) Creates instance with provided non-writable types.
UrlWithScore(Text url, FloatWritable score) Creates instance with provided writables.

Method Summary

Methods

Modifier and Type	Method and Description
int	compareTo(UrlWithScore other)
FloatWritable	getScore()
Text	getUrl()
void	readFields(DataInput in)
void	setScore(float score)
void	setScore(FloatWritable score)
void	setUrl(String url)
void	setUrl(Text url)
String	toString()
void	write(DataOutput out)

Methods inherited from class java.lang.Object

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

Constructor Detail

UrlWithScore

public UrlWithScore()

Creates instance with empty url and zero score.

UrlWithScore

public UrlWithScore(Text url,
            FloatWritable score)

Creates instance with provided writables.

Parameters:

url -

score -

UrlWithScore

public UrlWithScore(String url,
            float score)

Creates instance with provided non-writable types.

Parameters:

url -

score -

Method Detail

write

public void write(DataOutput out)
           throws IOException

Specified by:

write in interface Writable

Throws:

IOException

readFields

public void readFields(DataInput in)
                throws IOException

Specified by:

readFields in interface Writable

Throws:

IOException

getUrl

public Text getUrl()

setUrl

public void setUrl(Text url)

setUrl

public void setUrl(String url)

getScore

public FloatWritable getScore()

setScore

public void setScore(FloatWritable score)

setScore

public void setScore(float score)

compareTo

public int compareTo(UrlWithScore other)

Specified by:

compareTo in interface Comparable<UrlWithScore>

toString

public String toString()

Overrides:

toString in class Object