com.hp.sdn.adm.system

Interface SystemInformationService

All Superinterfaces:

Observable<SystemInformationListener>

All Known Implementing Classes:

SystemInformationServiceAdapter

public interface SystemInformationService
extends Observable<SystemInformationListener>

Service for maintaining and accessing basic system information about the controller system and its team members.

Author:

Thomas Vachuska, Scott Simes, Fabiel Zuniga, Vamsi Krishna Devaki

Method Summary

Methods

Modifier and Type	Method and Description
void	consolidateCoreDataVersion(long sourceSystemCoreDataVersion) Consolidates the core data version with an up to date system.
void	coreDataChanged() Notify that core data has changed and thus core data version needs to be updated.
Collection<SystemInformation>	getActiveSystems() Gets all known active systems.
SystemInformation	getSystem() Gets the local system information.
SystemInformation	getSystem(Id<SystemInformation,UUID> id) Get the system information with the specified unique id.
Collection<SystemInformation>	getSystems() Gets all known systems.
boolean	isConfigurationSafe() Is the system safe to change configuration without risk of losing changes across team members?
boolean	isMajorityCluster() Check cluster majority.
SystemInformation	setSelfIp(IpAddress ip) Deprecated.

Methods inherited from interface com.hp.util.observer.Observable

register, unregister

Method Detail

getSystem

SystemInformation getSystem()

Gets the local system information.

Returns:

local system info

getSystem

SystemInformation getSystem(Id<SystemInformation,UUID> id)

Get the system information with the specified unique id.

Parameters:

id - system id

Returns:

system with the given id; null if not found

getSystems

Collection<SystemInformation> getSystems()

Gets all known systems.

Returns:

collection of all known systems in the team

getActiveSystems

Collection<SystemInformation> getActiveSystems()

Gets all known active systems.

Returns:

collection of all known active systems in the team

coreDataChanged

void coreDataChanged()

Notify that core data has changed and thus core data version needs to be updated.

consolidateCoreDataVersion

void consolidateCoreDataVersion(long sourceSystemCoreDataVersion)

Consolidates the core data version with an up to date system.

Parameters:

sourceSystemCoreDataVersion - core data version of the system that is up to date and thus the data has been synchronized with

isMajorityCluster

boolean isMajorityCluster()

Check cluster majority.

Returns:

true if current cluster members form absolute majority of configured cluster, false otherwise

isConfigurationSafe

boolean isConfigurationSafe()

Is the system safe to change configuration without risk of losing changes across team members?

Returns:

true if configuration changes are safe, false otherwise

setSelfIp

@Deprecated
SystemInformation setSelfIp(IpAddress ip)

Deprecated.

Set the IP address of the non-teamed, self=true system.

Parameters:

ip - the new IP address

Returns:

newly updated SystemInformation for the self system if not teamed

Throws:

IllegalArgumentException - if the ip is not a valid IP address on the system, or if the system is teamed

NullPointerException - if any of the arguments are null