org.opennms.netmgt.bsm.service.internal

Class DefaultBusinessServiceStateMachine

java.lang.Object

org.opennms.netmgt.bsm.service.internal.DefaultBusinessServiceStateMachine

All Implemented Interfaces:

BusinessServiceStateMachine

public class DefaultBusinessServiceStateMachine
extends Object
implements BusinessServiceStateMachine

Field Summary

Fields

Modifier and Type	Field and Description
static Status	MIN_SEVERITY

Constructor Summary

Constructors

Constructor and Description
DefaultBusinessServiceStateMachine()

Method Summary

Modifier and Type	Method and Description
void	addHandler(BusinessServiceStateChangeHandler handler, Map<String,String> attributes) Registers a state change handler.
List<GraphVertex>	calculateImpact(BusinessService businessService)
List<GraphVertex>	calculateImpact(IpService ipService)
List<GraphVertex>	calculateImpact(String reductionKey)
Set<GraphEdge>	calculateImpacting(BusinessService businessService)
List<GraphVertex>	calculateRootCause(BusinessService businessService)
BusinessServiceStateMachine	clone(boolean preserveState)
ThresholdResultExplanation	explain(BusinessService businessService, Threshold threshold)
BusinessServiceGraph	getGraph() This returns the actual graph of the BusinessServiceStateMachine.
Status	getOperationalStatus(BusinessService businessService) Retrieves the current operational status of a Business Service.
Status	getOperationalStatus(Edge edge) Retrieves the current operational status of the element associated with a particular Edge.
Status	getOperationalStatus(IpService ipService) Retrieves the current operational status of a particular IP service.
Status	getOperationalStatus(String reductionKey) Retrieves the current operational status of a particular reduction key.
void	handleAllAlarms(List<AlarmWrapper> alarms) Updates the states of the Business Services using the given list of alarms.
void	handleNewOrUpdatedAlarm(AlarmWrapper alarm) Updates the states of the Business Services.
boolean	removeHandler(BusinessServiceStateChangeHandler handler, Map<String,String> attributes) Unregisters a state change handler.
void	renderGraphToPng(File tempFile)
void	setAlarmProvider(AlarmProvider alarmProvider)
void	setBusinessServices(List<BusinessService> businessServices) Sets the list of Business Services that need to managed by the state machine.
static List<StatusWithIndex>	weighEdges(Collection<GraphEdge> edges)
static List<StatusWithIndex>	weighStatuses(Map<GraphEdge,Status> edgesWithStatus) Apply the edges weights to the associated statuses set in the map, ignoring the actual status stored in the edge.

Methods inherited from class java.lang.Object

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

Field Detail

MIN_SEVERITY

public static final Status MIN_SEVERITY

Constructor Detail

DefaultBusinessServiceStateMachine

public DefaultBusinessServiceStateMachine()

Method Detail

setBusinessServices

public void setBusinessServices(List<BusinessService> businessServices)

Description copied from interface: BusinessServiceStateMachine

Sets the list of Business Services that need to managed by the state machine.

Specified by:

setBusinessServices in interface BusinessServiceStateMachine

Parameters:

businessServices - list of services to manage

handleNewOrUpdatedAlarm

public void handleNewOrUpdatedAlarm(AlarmWrapper alarm)

Description copied from interface: BusinessServiceStateMachine

Updates the states of the Business Services.

Specified by:

handleNewOrUpdatedAlarm in interface BusinessServiceStateMachine

handleAllAlarms

public void handleAllAlarms(List<AlarmWrapper> alarms)

Description copied from interface: BusinessServiceStateMachine

Updates the states of the Business Services using the given list of alarms. The given list of alarms is expected to be the complete set of current alarms, and any alarms missing from this list will be treated as not being present.

Specified by:

handleAllAlarms in interface BusinessServiceStateMachine

weighEdges

public static List<StatusWithIndex> weighEdges(Collection<GraphEdge> edges)

weighStatuses

public static List<StatusWithIndex> weighStatuses(Map<GraphEdge,Status> edgesWithStatus)

Apply the edges weights to the associated statuses set in the map, ignoring the actual status stored in the edge. Can be used for simulations without needing to change the actual edge's status.

Parameters:

edgesWithStatus -

Returns:

getOperationalStatus

public Status getOperationalStatus(BusinessService businessService)

Description copied from interface: BusinessServiceStateMachine

Retrieves the current operational status of a Business Service.

Specified by:

getOperationalStatus in interface BusinessServiceStateMachine

Parameters:

businessService - Business Service to query

Returns:

the current operational status, or null if the Business Service if not managed by the state machine

getOperationalStatus

public Status getOperationalStatus(IpService ipService)

Description copied from interface: BusinessServiceStateMachine

Retrieves the current operational status of a particular IP service.

Specified by:

getOperationalStatus in interface BusinessServiceStateMachine

Parameters:

ipService - IP Service to query

Returns:

the current operational status, or null if the IP Service is not monitored by the state machine

getOperationalStatus

public Status getOperationalStatus(String reductionKey)

Description copied from interface: BusinessServiceStateMachine

Retrieves the current operational status of a particular reduction key.

Specified by:

getOperationalStatus in interface BusinessServiceStateMachine

Parameters:

reductionKey - reduction key to query for

Returns:

the current operational status, or null if the Reduction Key is not monitored by the state machine

getOperationalStatus

public Status getOperationalStatus(Edge edge)

Description copied from interface: BusinessServiceStateMachine

Retrieves the current operational status of the element associated with a particular Edge. A call to this method is equal to a call to BusinessServiceStateMachine.getOperationalStatus(String), BusinessServiceStateMachine.getOperationalStatus(IpService) or BusinessServiceStateMachine.getOperationalStatus(BusinessService) depending on the type of the edge. This method DOES NOT return the mapped status of the edge.

Specified by:

getOperationalStatus in interface BusinessServiceStateMachine

Parameters:

edge - edge to query for

Returns:

the current operational status, or null if the Edge is not monitored by the state machine

setAlarmProvider

public void setAlarmProvider(AlarmProvider alarmProvider)

addHandler

public void addHandler(BusinessServiceStateChangeHandler handler,
                       Map<String,String> attributes)

Description copied from interface: BusinessServiceStateMachine

Registers a state change handler.

Specified by:

addHandler in interface BusinessServiceStateMachine

Parameters:

handler - handler to register

attributes - map of service attributes, required for compatibility with the ONMS-OSGi bridge.

removeHandler

public boolean removeHandler(BusinessServiceStateChangeHandler handler,
                             Map<String,String> attributes)

Description copied from interface: BusinessServiceStateMachine

Unregisters a state change handler.

Specified by:

removeHandler in interface BusinessServiceStateMachine

Parameters:

handler - handler to unregister

attributes - map of service attributes, required for compatibility with the ONMS-OSGi bridge.

Returns:

true of the handler was previously registered, and false otherwise

renderGraphToPng

public void renderGraphToPng(File tempFile)

Specified by:

renderGraphToPng in interface BusinessServiceStateMachine

getGraph

public BusinessServiceGraph getGraph()

Description copied from interface: BusinessServiceStateMachine

This returns the actual graph of the BusinessServiceStateMachine. Please DO NOT MODIFY any object in that graph.

Specified by:

getGraph in interface BusinessServiceStateMachine

Returns:

the actual graph of the BusinessServiceStateMachine. DO NOT MODIFY!

calculateImpacting

public Set<GraphEdge> calculateImpacting(BusinessService businessService)

Specified by:

calculateImpacting in interface BusinessServiceStateMachine

clone

public BusinessServiceStateMachine clone(boolean preserveState)

Specified by:

clone in interface BusinessServiceStateMachine

calculateRootCause

public List<GraphVertex> calculateRootCause(BusinessService businessService)

Specified by:

calculateRootCause in interface BusinessServiceStateMachine

calculateImpact

public List<GraphVertex> calculateImpact(BusinessService businessService)

Specified by:

calculateImpact in interface BusinessServiceStateMachine

calculateImpact

public List<GraphVertex> calculateImpact(IpService ipService)

Specified by:

calculateImpact in interface BusinessServiceStateMachine

calculateImpact

public List<GraphVertex> calculateImpact(String reductionKey)

Specified by:

calculateImpact in interface BusinessServiceStateMachine

explain

public ThresholdResultExplanation explain(BusinessService businessService,
                                          Threshold threshold)

Specified by:

explain in interface BusinessServiceStateMachine