org.apache.nutch.searcher
Class FetchedSegments

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

All Implemented Interfaces:

HitContent, HitSummarizer

public class FetchedSegments

extends Object

implements HitSummarizer, HitContent

Implements HitSummarizer and HitContent for a set of fetched segments.

Constructor Summary

FetchedSegments(NutchFileSystem nfs, String segmentsDir)
Construct given a directory containing fetcher output.

Method Summary

String[]	getAnchors(HitDetails details) Returns the anchors of a hit document.
byte[]	getContent(HitDetails details) Returns the content of a hit document.
long	getFetchDate(HitDetails details) Returns the anchors of a hit document.
ParseData	getParseData(HitDetails details) Returns the ParseData of a hit document.
ParseText	getParseText(HitDetails details) Returns the ParseText of a hit document.
String[]	getSegmentNames()
String[]	getSummary(HitDetails[] details, Query query) Returns summaries for a set of details.
String	getSummary(HitDetails details, Query query) Returns a summary for the given hit details.

Methods inherited from class java.lang.Object

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

Constructor Detail

FetchedSegments

public FetchedSegments(NutchFileSystem nfs,
                       String segmentsDir)
                throws IOException

Construct given a directory containing fetcher output.

Method Detail

getSegmentNames

public String[] getSegmentNames()

getContent

public byte[] getContent(HitDetails details)
                  throws IOException

Description copied from interface: HitContent

Returns the content of a hit document.

Specified by:

getContent in interface HitContent

Throws:

IOException

getParseData

public ParseData getParseData(HitDetails details)
                       throws IOException

Description copied from interface: HitContent

Returns the ParseData of a hit document.

Specified by:

getParseData in interface HitContent

Throws:

IOException

getAnchors

public String[] getAnchors(HitDetails details)
                    throws IOException

Description copied from interface: HitContent

Returns the anchors of a hit document.

Specified by:

getAnchors in interface HitContent

Throws:

IOException

getFetchDate

public long getFetchDate(HitDetails details)
                  throws IOException

Description copied from interface: HitContent

Returns the anchors of a hit document.

Specified by:

getFetchDate in interface HitContent

Throws:

IOException

getParseText

public ParseText getParseText(HitDetails details)
                       throws IOException

Description copied from interface: HitContent

Returns the ParseText of a hit document.

Specified by:

getParseText in interface HitContent

Throws:

IOException

getSummary

public String getSummary(HitDetails details,
                         Query query)
                  throws IOException

Description copied from interface: HitSummarizer

Returns a summary for the given hit details.

Specified by:

getSummary in interface HitSummarizer

Parameters:

details - the details of the hit to be summarized

query - indicates what should be higlighted in the summary text

Throws:

IOException

getSummary

public String[] getSummary(HitDetails[] details,
                           Query query)
                    throws IOException

Description copied from interface: HitSummarizer

Returns summaries for a set of details. Hook for parallel IPC calls.

Specified by:

getSummary in interface HitSummarizer

Parameters:

details - the details of hits to be summarized

query - indicates what should be higlighted in the summary text

Throws:

IOException