org.apache.hadoop.mapreduce.lib.output

类 TextOutputFormat<K,V>

java.lang.Object

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

org.apache.hadoop.mapreduce.lib.output.FileOutputFormat<K,V>

org.apache.hadoop.mapreduce.lib.output.TextOutputFormat<K,V>

直接已知子类:

CopyOutputFormat

public class TextOutputFormat<K,V>
extends FileOutputFormat<K,V>

An OutputFormat that writes plain text files.

嵌套类概要

嵌套类

限定符和类型	类和说明
protected static class	TextOutputFormat.LineRecordWriter<K,V>

从类继承的嵌套类/接口 org.apache.hadoop.mapreduce.lib.output.FileOutputFormat

FileOutputFormat.Counter

字段概要

从类继承的字段 org.apache.hadoop.mapreduce.lib.output.FileOutputFormat

BASE_OUTPUT_NAME, PART

构造器概要

构造器

构造器和说明
TextOutputFormat()

方法概要

方法

限定符和类型	方法和说明
RecordWriter<K,V>	getRecordWriter(TaskAttemptContext job) Get the RecordWriter for the given task.

从类继承的方法 org.apache.hadoop.mapreduce.lib.output.FileOutputFormat

checkOutputSpecs, getCompressOutput, getDefaultWorkFile, getOutputCommitter, getOutputCompressorClass, getOutputName, getOutputPath, getPathForWorkFile, getUniqueFile, getWorkOutputPath, setCompressOutput, setOutputCompressorClass, setOutputName, setOutputPath

从类继承的方法 java.lang.Object

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

构造器详细资料

TextOutputFormat

public TextOutputFormat()

方法详细资料

getRecordWriter

public RecordWriter<K,V> getRecordWriter(TaskAttemptContext job)
                                  throws IOException,
                                         InterruptedException

从类复制的说明: OutputFormat

Get the RecordWriter for the given task.

指定者:

getRecordWriter 在类中 FileOutputFormat<K,V>

参数:

job - the information about the current task.

返回:

a RecordWriter to write the output for the job.

抛出:

IOException

InterruptedException