org.apache.nutch.searcher
Class Summary

java.lang.Object
  org.apache.nutch.searcher.Summary

All Implemented Interfaces:

org.apache.hadoop.io.Writable

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

A document summary dynamically generated to match a query.

Nested Class Summary

static class	Summary.Ellipsis An ellipsis fragment within a summary.
static class	Summary.Fragment A fragment of text within a summary.
static class	Summary.Highlight A highlighted fragment of text within a summary.

Constructor Summary

Summary()
Constructs an empty Summary.

Method Summary

void	add(Summary.Fragment fragment) Adds a fragment to a summary.
boolean	equals(Object o)
Summary.Fragment[]	getFragments() Returns an array of all of this summary's fragments.
static Summary	read(DataInput in)
void	readFields(DataInput in)
String	toHtml(boolean encode) Returns a HTML representation of this Summary.
String	toString() Returns a String representation of this Summary.
static String[]	toStrings(Summary[] summaries) Helper method that return a String representation for each specified Summary.
void	write(DataOutput out)

Methods inherited from class java.lang.Object

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

Constructor Detail

Summary

public Summary()

Constructs an empty Summary.

Method Detail

add

public void add(Summary.Fragment fragment)

Adds a fragment to a summary.

getFragments

public Summary.Fragment[] getFragments()

Returns an array of all of this summary's fragments.

toString

public String toString()

Returns a String representation of this Summary.

Overrides:

toString in class Object

toHtml

public String toHtml(boolean encode)

Returns a HTML representation of this Summary. HTML output for Highlight fragments is <span class="highlight">highlight's text</span>, for Ellipsis fragments is <span class="highlight"> ... </span>, for generic Fragment is simply the fragment's text.

Parameters:

encode - specifies if the summary's entities should be encoded.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

toStrings

public static String[] toStrings(Summary[] summaries)

Helper method that return a String representation for each specified Summary.

read

public static Summary read(DataInput in)
                    throws IOException

Throws:

IOException

write

public void write(DataOutput out)
           throws IOException

Specified by:

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

Throws:

IOException

readFields

public void readFields(DataInput in)
                throws IOException

Specified by:

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

Throws:

IOException