org.apache.hadoop.mapred.lib

类 MultipleSequenceFileOutputFormat<K,V>

java.lang.Object

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

org.apache.hadoop.mapred.lib.MultipleOutputFormat<K,V>

org.apache.hadoop.mapred.lib.MultipleSequenceFileOutputFormat<K,V>

所有已实现的接口:

OutputFormat<K,V>

public class MultipleSequenceFileOutputFormat<K,V>
extends MultipleOutputFormat<K,V>

This class extends the MultipleOutputFormat, allowing to write the output data to different output files in sequence file output format.

嵌套类概要

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
MultipleSequenceFileOutputFormat()

方法概要

方法

限定符和类型	方法和说明
protected RecordWriter<K,V>	getBaseRecordWriter(FileSystem fs, JobConf job, String name, Progressable arg3)

从类继承的方法 org.apache.hadoop.mapred.lib.MultipleOutputFormat

generateActualKey, generateActualValue, generateFileNameForKeyValue, generateLeafFileName, getInputFileBasedOutputFileName, getRecordWriter

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

MultipleSequenceFileOutputFormat

public MultipleSequenceFileOutputFormat()

方法详细资料

getBaseRecordWriter

protected RecordWriter<K,V> getBaseRecordWriter(FileSystem fs,
                                    JobConf job,
                                    String name,
                                    Progressable arg3)
                                         throws IOException

指定者:

getBaseRecordWriter 在类中 MultipleOutputFormat<K,V>

参数:

fs - the file system to use

job - a job conf object

name - the name of the file over which a record writer object will be constructed

arg3 - a progressable object

返回:

A RecordWriter object over the given file

抛出:

IOException