Package org.apache.nutch.segment

Class ContentAsTextInputFormat

java.lang.Object

org.apache.hadoop.mapreduce.InputFormat<K,V>

org.apache.hadoop.mapreduce.lib.input.FileInputFormat<K,V>

org.apache.hadoop.mapreduce.lib.input.SequenceFileInputFormat<Text,Text>

org.apache.nutch.segment.ContentAsTextInputFormat

public class ContentAsTextInputFormat
extends SequenceFileInputFormat<Text,Text>

An input format that takes Nutch Content objects and converts them to text while converting newline endings to spaces. This format is useful for working with Nutch content objects in Hadoop Streaming with other languages.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.lib.input.FileInputFormat

FileInputFormat.Counter

Field Summary

Fields inherited from class org.apache.hadoop.mapreduce.lib.input.FileInputFormat

DEFAULT_LIST_STATUS_NUM_THREADS, INPUT_DIR, INPUT_DIR_NONRECURSIVE_IGNORE_SUBDIRS, INPUT_DIR_RECURSIVE, LIST_STATUS_NUM_THREADS, NUM_INPUT_FILES, PATHFILTER_CLASS, SPLIT_MAXSIZE, SPLIT_MINSIZE

Constructor Summary

Constructors

Constructor	Description
ContentAsTextInputFormat()

Method Summary

Modifier and Type	Method	Description
RecordReader<Text,Text>	getRecordReader(InputSplit split, Job job, Mapper.Context context)

Methods inherited from class org.apache.hadoop.mapreduce.lib.input.SequenceFileInputFormat

createRecordReader, getFormatMinSplitSize, listStatus

Methods inherited from class org.apache.hadoop.mapreduce.lib.input.FileInputFormat

addInputPath, addInputPathRecursively, addInputPaths, computeSplitSize, getBlockIndex, getInputDirRecursive, getInputPathFilter, getInputPaths, getMaxSplitSize, getMinSplitSize, getSplits, isSplitable, makeSplit, makeSplit, setInputDirRecursive, setInputPathFilter, setInputPaths, setInputPaths, setMaxInputSplitSize, setMinInputSplitSize

Methods inherited from class java.lang.Object

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

Constructor Detail

ContentAsTextInputFormat

public ContentAsTextInputFormat()

Method Detail

getRecordReader

public RecordReader<Text,Text> getRecordReader(InputSplit split,
                                                     Job job,
                                                     Mapper.Context context)
                                              throws IOException

Throws:

IOException