org.apache.giraph.utils

Class ArrayWritable<T extends org.apache.hadoop.io.Writable>

java.lang.Object

org.apache.giraph.utils.ArrayWritable<T>

Type Parameters:

T - element type

All Implemented Interfaces:

org.apache.hadoop.io.Writable

public class ArrayWritable<T extends org.apache.hadoop.io.Writable>
extends Object
implements org.apache.hadoop.io.Writable

A Writable for arrays containing instances of a class. The elements of this writable must all be instances of the same class.

Constructor Summary

Constructors

Constructor and Description
ArrayWritable() Constructor
ArrayWritable(Class<T> valueClass, T[] values) Constructor

Method Summary

Modifier and Type	Method and Description
T[]	get() Ger array
Class<T>	getValueClass() Get element type class
void	readFields(DataInput in)
void	set(T[] values) Set array
void	write(DataOutput out)

Methods inherited from class java.lang.Object

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

Constructor Detail

ArrayWritable

public ArrayWritable()

Constructor

ArrayWritable

public ArrayWritable(Class<T> valueClass,
                     T[] values)

Constructor

Parameters:

valueClass - Element type class

values - Array of elements

Method Detail

getValueClass

public Class<T> getValueClass()

Get element type class

Returns:

element type class

set

public void set(T[] values)

Set array

Parameters:

values - array

get

public T[] get()

Ger array

Returns:

array

readFields

public void readFields(DataInput in)
                throws IOException

Specified by:

readFields in interface org.apache.hadoop.io.Writable

Throws:

IOException

write

public void write(DataOutput out)
           throws IOException

Specified by:

write in interface org.apache.hadoop.io.Writable

Throws:

IOException