org.apache.hadoop.hbase

Class CompatibilitySingletonFactory

java.lang.Object

org.apache.hadoop.hbase.CompatibilityFactory

org.apache.hadoop.hbase.CompatibilitySingletonFactory

@InterfaceAudience.Private
public class CompatibilitySingletonFactory
extends CompatibilityFactory

Factory for classes supplied by hadoop compatibility modules. Only one of each class will be created.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	CompatibilitySingletonFactory.SingletonStorage

Field Summary

Fields

Modifier and Type	Field and Description
private static org.slf4j.Logger	LOG

Fields inherited from class org.apache.hadoop.hbase.CompatibilityFactory

EXCEPTION_END, EXCEPTION_START

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	CompatibilitySingletonFactory() This is a static only class don't let anyone create an instance.

Method Summary

Modifier and Type	Method and Description
static <T> T	getInstance(Class<T> klass) Get the singleton instance of Any classes defined by compatibiliy jar's

Methods inherited from class org.apache.hadoop.hbase.CompatibilityFactory

createExceptionString

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final org.slf4j.Logger LOG

Constructor Detail

CompatibilitySingletonFactory

protected CompatibilitySingletonFactory()

This is a static only class don't let anyone create an instance.

Method Detail

getInstance

public static <T> T getInstance(Class<T> klass)

Get the singleton instance of Any classes defined by compatibiliy jar's

Returns:

the singleton