com.netflix.priam.identity

Class DoubleRing

java.lang.Object

com.netflix.priam.identity.DoubleRing

public class DoubleRing
extends java.lang.Object

Class providing functionality for doubling the ring

Constructor Summary

Constructors

Constructor and Description
DoubleRing(IConfiguration config, IPriamInstanceFactory factory, ITokenManager tokenManager, InstanceInfo instanceInfo)

Method Summary

Modifier and Type	Method and Description
void	backup() Backup the current state in case of failure
void	doubleSlots() Doubling is done by pre-calculating all slots of a double ring and registering them.
void	restore() Restore tokens if a failure occurs

Methods inherited from class java.lang.Object

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

Constructor Detail

DoubleRing

@Inject
public DoubleRing(IConfiguration config,
                          IPriamInstanceFactory factory,
                          ITokenManager tokenManager,
                          InstanceInfo instanceInfo)

Method Detail

doubleSlots

public void doubleSlots()

Doubling is done by pre-calculating all slots of a double ring and registering them. When new nodes come up, they will get the unsed token assigned per token logic.

backup

public void backup()
            throws java.io.IOException

Backup the current state in case of failure

Throws:

java.io.IOException

restore

public void restore()
             throws java.io.IOException,
                    java.lang.ClassNotFoundException

Restore tokens if a failure occurs

Throws:

java.io.IOException

java.lang.ClassNotFoundException