com.h3c.sdn.team

Interface TeamingService

public interface TeamingService

A team designates a set of application / service instances running on a controller cluster. Application ID uniquely identifies an application / service type. TeamingService is used to join / leave a controller team. Applications / services that wish to be part of a team should implement TeamListener to receive team status change notifications.

Method Summary

Methods

Modifier and Type	Method and Description
Collection<String>	getHealthyMembers() Get healthy team members.
boolean	isMemberHealthy() Check team member health.
void	joinTeam(String appId, TeamListener listener) Joins an application instance to team.
void	leaveTeam(String appId, TeamListener listener) Gracefully leave team.
boolean	runElection() Run election in team.

Method Detail

joinTeam

void joinTeam(String appId,
            TeamListener listener)
              throws TeamingExceptions.MemberExists

Joins an application instance to team.

Parameters:

appId - Application ID

listener - team listener for listening to changes to team

Throws:

TeamingExceptions.MemberExists - listener is already registered for application

leaveTeam

void leaveTeam(String appId,
             TeamListener listener)
               throws TeamingExceptions.MemberNotFound

Gracefully leave team.

Parameters:

appId - application ID

listener - listener leaving team

Throws:

TeamingExceptions.MemberNotFound - listener not registered for application

runElection

boolean runElection()

Run election in team.

Returns:

true if election was run successfully

isMemberHealthy

boolean isMemberHealthy()

Check team member health.

Returns:

true if team member is healthy

getHealthyMembers

Collection<String> getHealthyMembers()

Get healthy team members. Includes self if healthy

Returns:

instance ids of healthy team members