org.apache.hadoop.streaming

类 AutoInputFormat

java.lang.Object

org.apache.hadoop.mapred.FileInputFormat

org.apache.hadoop.streaming.AutoInputFormat

所有已实现的接口:

InputFormat

public class AutoInputFormat
extends FileInputFormat

An InputFormat that tries to deduce the types of the input files automatically. It can currently handle text and sequence files.

嵌套类概要

从类继承的嵌套类/接口 org.apache.hadoop.mapred.FileInputFormat

FileInputFormat.Counter

字段概要

从类继承的字段 org.apache.hadoop.mapred.FileInputFormat

LOG

构造器概要

构造器

构造器和说明
AutoInputFormat()

方法概要

方法

限定符和类型	方法和说明
void	configure(JobConf job)
RecordReader	getRecordReader(InputSplit split, JobConf job, Reporter reporter) Get the RecordReader for the given InputSplit.

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

addInputPath, addInputPaths, computeSplitSize, getBlockIndex, getInputPathFilter, getInputPaths, getSplitHosts, getSplits, isSplitable, listStatus, setInputPathFilter, setInputPaths, setInputPaths, setMinSplitSize

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

AutoInputFormat

public AutoInputFormat()

方法详细资料

configure

public void configure(JobConf job)

getRecordReader

public RecordReader getRecordReader(InputSplit split,
                           JobConf job,
                           Reporter reporter)
                             throws IOException

从接口复制的说明: InputFormat

Get the RecordReader for the given InputSplit.

It is the responsibility of the RecordReader to respect record boundaries while processing the logical split to present a record-oriented view to the individual task.

指定者:

getRecordReader 在接口中 InputFormat

指定者:

getRecordReader 在类中 FileInputFormat

参数:

split - the InputSplit

job - the job that this split belongs to

返回:

a RecordReader

抛出:

IOException