Package org.apache.hadoop.mapred.nativetask

Class Platforms

java.lang.Object

org.apache.hadoop.mapred.nativetask.Platforms

@Private
public class Platforms
extends Object

this class will load in and init all platforms on classpath it is also the facade to check for key type support and other platform methods

Constructor Summary

Constructors

Constructor	Description
Platforms()

Method Summary

Modifier and Type	Method	Description
static boolean	define(Class<?> keyComparator)
static void	init(org.apache.hadoop.conf.Configuration conf)
static boolean	support(String keyClassName, INativeSerializer<?> serializer, org.apache.hadoop.mapred.JobConf job)

Methods inherited from class java.lang.Object

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

Constructor Details

Platforms

public Platforms()

Method Details

init

public static void init(org.apache.hadoop.conf.Configuration conf)
                 throws IOException

Throws:

IOException

support

public static boolean support(String keyClassName,
 INativeSerializer<?> serializer,
 org.apache.hadoop.mapred.JobConf job)

define

public static boolean define(Class<?> keyComparator)