org.apache.hadoop.mapred

类 MultiFileSplit

java.lang.Object

org.apache.hadoop.mapred.lib.CombineFileSplit

org.apache.hadoop.mapred.MultiFileSplit

所有已实现的接口:

Writable, InputSplit

已过时。

Use CombineFileSplit instead

@Deprecated
public class MultiFileSplit
extends CombineFileSplit

A sub-collection of input files. Unlike FileSplit, MultiFileSplit class does not represent a split of a file, but a split of input files into smaller sets. The atomic unit of split is a file.
MultiFileSplit can be used to implement RecordReader's, with reading one record per file.

另请参阅:

FileSplit, MultiFileInputFormat

构造器概要

构造器

构造器和说明
MultiFileSplit(JobConf job, Path[] files, long[] lengths) 已过时。

方法概要

方法

限定符和类型	方法和说明
String[]	getLocations() 已过时。 Returns all the Paths where this input-split resides
String	toString() 已过时。

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

getJob, getLength, getLength, getLengths, getNumPaths, getOffset, getPath, getPaths, getStartOffsets, readFields, write

从类继承的方法 java.lang.Object

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

构造器详细资料

MultiFileSplit

public MultiFileSplit(JobConf job,
              Path[] files,
              long[] lengths)

已过时。

方法详细资料

getLocations

public String[] getLocations()
                      throws IOException

已过时。

从类复制的说明: CombineFileSplit

Returns all the Paths where this input-split resides

指定者:

getLocations 在接口中 InputSplit

覆盖:

getLocations 在类中 CombineFileSplit

返回:

list of hostnames where data of the InputSplit is located as an array of Strings.

抛出:

IOException

toString

public String toString()

已过时。

覆盖:

toString 在类中 CombineFileSplit