Package org.apache.nutch.parse

Class ParseSegment

java.lang.Object

org.apache.hadoop.conf.Configured

org.apache.nutch.util.NutchTool

org.apache.nutch.parse.ParseSegment

All Implemented Interfaces:

Configurable, Tool

public class ParseSegment
extends NutchTool
implements Tool

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ParseSegment.ParseSegmentMapper
static class	ParseSegment.ParseSegmentPartitioner	Sends LATENCY_KEY to partition 0 so one reducer merges all TDigests.
static class	ParseSegment.ParseSegmentReducer

Field Summary

Fields

Modifier and Type	Field	Description
static final String	DELETE_FAILED_PARSE	Configuration property to delete documents that failed to be parsed.
static final String	SKIP_TRUNCATED

Fields inherited from class org.apache.nutch.util.NutchTool

currentJob, currentJobNum, numJobs, results, status

Constructor Summary

Constructors

Constructor	Description
ParseSegment()
ParseSegment(Configuration conf)

Method Summary

Modifier and Type	Method	Description
static boolean	isTruncated(Content content)	Checks if the page's content is truncated.
static void	main(String[] args)
void	parse(Path segment)
int	run(String[] args)
Map<String,Object>	run(Map<String,Object> args, String crawlId)	Programmatic entry point for NutchTool callers.

Methods inherited from class org.apache.nutch.util.NutchTool

getProgress, getStatus, killJob, setConf, stopJob

Methods inherited from class org.apache.hadoop.conf.Configured

getConf

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.conf.Configurable

getConf, setConf

Field Details

SKIP_TRUNCATED

public static final String SKIP_TRUNCATED

See Also:

• Constant Field Values

DELETE_FAILED_PARSE

public static final String DELETE_FAILED_PARSE

Configuration property to delete documents that failed to be parsed. Also used in Fetcher and Indexer.

See Also:

• Constant Field Values

Constructor Details

ParseSegment

public ParseSegment()

ParseSegment

public ParseSegment(Configuration conf)

Method Details

isTruncated

public static boolean isTruncated(Content content)

Checks if the page's content is truncated.

Parameters:

content - the response Content

Returns:

If the page is truncated true. When it is not, or when it couldn't be determined, false.

parse

public void parse(Path segment)
           throws IOException,
InterruptedException,
ClassNotFoundException

Throws:

IOException

InterruptedException

ClassNotFoundException

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception

run

public int run(String[] args)
        throws Exception

Specified by:

run in interface Tool

Throws:

Exception

run

public Map<String,Object> run(Map<String,Object> args,
 String crawlId)
                       throws Exception

Programmatic entry point for NutchTool callers.

Specified by:

run in class NutchTool

Parameters:

args - a Map of arguments to be run with the tool

crawlId - a crawl identifier to associate with the tool invocation

Returns:

Map results object if tool executes successfully otherwise null

Throws:

Exception - if there is an error during the tool execution