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org.apache.crunch.io.seq
Class SeqFileTableSource<K,V>

java.lang.Object
  org.apache.crunch.io.impl.FileSourceImpl<Pair<K,V>>
      org.apache.crunch.io.impl.FileTableSourceImpl<K,V>
          org.apache.crunch.io.seq.SeqFileTableSource<K,V>

All Implemented Interfaces:

ReadableSource<Pair<K,V>>, Source<Pair<K,V>>, TableSource<K,V>

public class SeqFileTableSource<K,V>
extends FileTableSourceImpl<K,V>
implements ReadableSource<Pair<K,V>>

A TableSource that uses SequenceFileInputFormat to read the input file.

Field Summary

Fields inherited from class org.apache.crunch.io.impl.FileSourceImpl

inputBundle, path, paths, ptype

Constructor Summary

SeqFileTableSource(List<org.apache.hadoop.fs.Path> paths, PTableType<K,V> ptype)

SeqFileTableSource(org.apache.hadoop.fs.Path path, PTableType<K,V> ptype)

SeqFileTableSource(String path, PTableType<K,V> ptype)

Method Summary

ReadableData<Pair<K,V>>	asReadable()
Iterable<Pair<K,V>>	read(org.apache.hadoop.conf.Configuration conf) Returns an Iterable that contains the contents of this source.
String	toString()

Methods inherited from class org.apache.crunch.io.impl.FileTableSourceImpl

getTableType

Methods inherited from class org.apache.crunch.io.impl.FileSourceImpl

configureSource, equals, getBundle, getConverter, getLastModifiedAt, getPath, getPaths, getSize, getType, hashCode, inputConf, pathsAsString, read

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.crunch.Source

configureSource, getConverter, getLastModifiedAt, getSize, getType, inputConf

Constructor Detail

SeqFileTableSource

public SeqFileTableSource(String path,
                          PTableType<K,V> ptype)

SeqFileTableSource

public SeqFileTableSource(org.apache.hadoop.fs.Path path,
                          PTableType<K,V> ptype)

SeqFileTableSource

public SeqFileTableSource(List<org.apache.hadoop.fs.Path> paths,
                          PTableType<K,V> ptype)

Method Detail

read

public Iterable<Pair<K,V>> read(org.apache.hadoop.conf.Configuration conf)
                         throws IOException

Description copied from interface: ReadableSource

Returns an Iterable that contains the contents of this source.

Specified by:

read in interface ReadableSource<Pair<K,V>>

Parameters:

conf - The current Configuration instance

Returns:

the contents of this Source as an Iterable instance

Throws:

IOException

asReadable

public ReadableData<Pair<K,V>> asReadable()

Specified by:

asReadable in interface ReadableSource<Pair<K,V>>

Returns:

a ReadableData instance containing the data referenced by this ReadableSource.

toString

public String toString()

Overrides:

toString in class FileSourceImpl<Pair<K,V>>