org.apache.hadoop.io
Class TwoDArrayWritable

java.lang.Object
  extended by org.apache.hadoop.io.TwoDArrayWritable
All Implemented Interfaces:
Writable

@InterfaceAudience.Public
@InterfaceStability.Stable
public class TwoDArrayWritable
extends Object
implements Writable

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


Constructor Summary
TwoDArrayWritable(Class valueClass)
           
TwoDArrayWritable(Class valueClass, Writable[][] values)
           
 
Method Summary
 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.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

TwoDArrayWritable

public TwoDArrayWritable(Class valueClass)

TwoDArrayWritable

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

toArray

public Object toArray()

set

public void set(Writable[][] values)

get

public Writable[][] get()

readFields

public void readFields(DataInput in)
                throws IOException
Description copied from interface: Writable
Deserialize the fields of this object from in.

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

Specified by:
readFields in interface Writable
Parameters:
in - DataInput to deseriablize this object from.
Throws:
IOException

write

public void write(DataOutput out)
           throws IOException
Description copied from interface: Writable
Serialize the fields of this object to out.

Specified by:
write in interface Writable
Parameters:
out - DataOuput to serialize this object into.
Throws:
IOException


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