org.apache.hadoop.mapred

类 TextOutputFormat<K,V>

java.lang.Object

org.apache.hadoop.mapred.FileOutputFormat<K,V>

org.apache.hadoop.mapred.TextOutputFormat<K,V>

所有已实现的接口:

OutputFormat<K,V>

直接已知子类:

TeraOutputFormat

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.mapred.FileOutputFormat

FileOutputFormat.Counter

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(FileSystem ignored, JobConf job, String name, Progressable progress) Get the RecordWriter for the given job.

从类继承的方法 org.apache.hadoop.mapred.FileOutputFormat

checkOutputSpecs, getCompressOutput, getOutputCompressorClass, getOutputPath, getPathForCustomFile, getTaskOutputPath, getUniqueName, getWorkOutputPath, setCompressOutput, setOutputCompressorClass, 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(FileSystem ignored,
                                JobConf job,
                                String name,
                                Progressable progress)
                                  throws IOException

从接口复制的说明: OutputFormat

Get the RecordWriter for the given job.

指定者:

getRecordWriter 在接口中 OutputFormat<K,V>

指定者:

getRecordWriter 在类中 FileOutputFormat<K,V>

job - configuration for the job whose output is being written.

name - the unique name for this part of the output.

progress - mechanism for reporting progress while writing to file.

返回:

a RecordWriter to write the output for the job.

抛出:

IOException