ome.services.blitz.redirect

Interface Redirector

All Known Implementing Classes:

AbstractRedirector, ConfigRedirector, NullRedirector, ScaleRedirector

public interface Redirector

Strategy interface for helping a Ring instance decide whether to redirect SessionPrx creation to another SessionManagerI instance. The Ring instance is passed in

Since:

Beta-4.0-RC2

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	Redirector.Context Interface implemented by Ring instances to allow passing in the context necessary for making strategy decisions.

Method Summary

Modifier and Type	Method and Description
void	chooseNextRedirect(Redirector.Context context, Set<String> nodeUuids) Gives the Redirector a chance to configure the next appropriate redirect based on the Set of current Node uuids.
Glacier2.SessionPrx	getProxyOrNull(Redirector.Context context, String userId, Glacier2.SessionControlPrx control, Ice.Current current) Create or retrieve and returns a SessionPrx which the current method takes control of.
void	handleRingShutdown(Redirector.Context context, String uuid) Gives the Redirector a chance to remove the current Ring when it is being shutdown.

Method Detail

getProxyOrNull

Glacier2.SessionPrx getProxyOrNull(Redirector.Context context,
                                   String userId,
                                   Glacier2.SessionControlPrx control,
                                   Ice.Current current)
                            throws Glacier2.CannotCreateSessionException

Create or retrieve and returns a SessionPrx which the current method takes control of. If it is not returned, then it should be properly destroyed.

Parameters:

userId - Not null.

control -

current -

Returns:

Possibly null.

Throws:

Glacier2.CannotCreateSessionException

chooseNextRedirect

void chooseNextRedirect(Redirector.Context context,
                        Set<String> nodeUuids)

Gives the Redirector a chance to configure the next appropriate redirect based on the Set of current Node uuids.

handleRingShutdown

void handleRingShutdown(Redirector.Context context,
                        String uuid)

Gives the Redirector a chance to remove the current Ring when it is being shutdown.