org.apache.hadoop.io

类 TwoDArrayWritable

java.lang.Object

org.apache.hadoop.io.TwoDArrayWritable

所有已实现的接口:

Writable

public class TwoDArrayWritable
extends Object
implements Writable

A Writable for 2D arrays containing a matrix of instances of a class.

构造器概要

构造器

构造器和说明
TwoDArrayWritable(Class valueClass)
TwoDArrayWritable(Class valueClass, Writable[][] values)

方法概要

方法

限定符和类型	方法和说明
Writable[][]	get()
void	readFields(DataInput in) Deserialize the fields of this object from in.
void	set(Writable[][] values)
Object	toArray()
void	write(DataOutput out) Serialize the fields of this object to out.

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

TwoDArrayWritable

public TwoDArrayWritable(Class valueClass)

TwoDArrayWritable

public TwoDArrayWritable(Class valueClass,
                 Writable[][] values)

方法详细资料

toArray

public Object toArray()

set

public void set(Writable[][] values)

get

public Writable[][] get()

readFields

public void readFields(DataInput in)
                throws IOException

从接口复制的说明: Writable

Deserialize the fields of this object from in.

For efficiency, implementations should attempt to re-use storage in the existing object where possible.

指定者:

readFields 在接口中 Writable

参数:

in - DataInput to deseriablize this object from.

抛出:

IOException

write

public void write(DataOutput out)
           throws IOException

从接口复制的说明: Writable

Serialize the fields of this object to out.

指定者:

write 在接口中 Writable

参数:

out - DataOuput to serialize this object into.

抛出:

IOException