public class ArcSegmentCreator extends Configured implements Tool
The ArcSegmentCreator
is a replacement for fetcher that will
take arc files as input and produce a nutch segment as output.
Arc files are tars of compressed gzips which are produced by both the internet archive project and the grub distributed crawler project.
Modifier and Type | Class and Description |
---|---|
static class |
ArcSegmentCreator.ArcSegmentCreatorMapper |
Modifier and Type | Field and Description |
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static String |
URL_VERSION |
Constructor and Description |
---|
ArcSegmentCreator() |
ArcSegmentCreator(Configuration conf)
Constructor that sets the job configuration.
|
Modifier and Type | Method and Description |
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void |
close() |
void |
createSegments(Path arcFiles,
Path segmentsOutDir)
Creates the arc files to segments job.
|
static String |
generateSegmentName()
Generates a random name for the segments.
|
static void |
main(String[] args) |
int |
run(String[] args) |
getConf, setConf
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
getConf, setConf
public static final String URL_VERSION
public ArcSegmentCreator()
public ArcSegmentCreator(Configuration conf)
Constructor that sets the job configuration.
conf
- public static String generateSegmentName()
public void close()
public void createSegments(Path arcFiles, Path segmentsOutDir) throws IOException, InterruptedException, ClassNotFoundException
Creates the arc files to segments job.
arcFiles
- The path to the directory holding the arc filessegmentsOutDir
- The output directory for writing the segmentsIOException
- If an IO error occurs while running the job.InterruptedException
ClassNotFoundException
Copyright © 2021 The Apache Software Foundation