Package org.jgroups.protocols.relay

Class RandomSiteMasterPicker

java.lang.Object

org.jgroups.protocols.relay.RandomSiteMasterPicker

All Implemented Interfaces:

SiteMasterPicker

Direct Known Subclasses:

StickySiteMasterPicker

public class RandomSiteMasterPicker
extends java.lang.Object
implements SiteMasterPicker

Implementation of SiteMasterPicker which picks random site masters / routes to site masters

Since:

5.3.1

Author:

Bela Ban

Field Summary

Fields

Modifier and Type	Field	Description
protected java.util.function.Supplier<Address>	addr_supplier
protected boolean	verbose

Constructor Summary

Constructors

Constructor	Description
RandomSiteMasterPicker()

Method Summary

Modifier and Type	Method	Description
SiteMasterPicker	addressSupplier(java.util.function.Supplier<Address> s)
Route	pickRoute(java.lang.String site, java.util.List<Route> routes, Address original_sender)	Picks a route to a given remote site from a list of routes.
Address	pickSiteMaster(java.util.List<Address> site_masters, Address original_sender)	Needs to pick a member from a list of addresses of site masters
boolean	verbose()
SiteMasterPicker	verbose(boolean b)

Methods inherited from class java.lang.Object

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

Field Detail

verbose

protected boolean verbose

addr_supplier

protected java.util.function.Supplier<Address> addr_supplier

Constructor Detail

RandomSiteMasterPicker

public RandomSiteMasterPicker()

Method Detail

verbose

public boolean verbose()

verbose

public SiteMasterPicker verbose(boolean b)

addressSupplier

public SiteMasterPicker addressSupplier(java.util.function.Supplier<Address> s)

pickSiteMaster

public Address pickSiteMaster(java.util.List<Address> site_masters,
                              Address original_sender)

Description copied from interface: SiteMasterPicker

Needs to pick a member from a list of addresses of site masters

Specified by:

pickSiteMaster in interface SiteMasterPicker

Parameters:

site_masters - The list of site masters

original_sender - The address of the original member sending a message

Returns:

The address of the site master (in the local cluster) to be used to forward the message to

pickRoute

public Route pickRoute(java.lang.String site,
                       java.util.List<Route> routes,
                       Address original_sender)

Description copied from interface: SiteMasterPicker

Picks a route to a given remote site from a list of routes.

Specified by:

pickRoute in interface SiteMasterPicker

Parameters:

site - The name of the target (remote) site. Added for informational purposes; may or may not be used as selection criterium.

routes - The list of routes. A route can be picked for example by using the address of the remote site master: Route.siteMaster()

original_sender - The address of the original sender

Returns:

A route