Package org.sensorhub.api.system

Class SystemEvent

java.lang.Object

org.sensorhub.api.event.Event

org.sensorhub.api.system.SystemEvent

Direct Known Subclasses:

CommandStreamEvent, DataStreamEvent, FoiAddedEvent, ProcessingEvent, SystemAddedEvent, SystemChangedEvent, SystemDisabledEvent, SystemEnabledEvent, SystemRemovedEvent

public abstract class SystemEvent
extends Event

Base class for all events that are associated to a particular system.
Events can be generated by top level systems and by subsystems.

Since:

Apr 23, 2015

Field Summary

Fields

Modifier and Type	Field	Description
protected String	sourceID
protected BigId	systemID
protected String	systemUID

Fields inherited from class org.sensorhub.api.event.Event

source, timeStamp

Constructor Summary

Constructors

Constructor	Description
SystemEvent(long timeStamp, String sysUID)
SystemEvent(String sysUID)

Method Summary

Modifier and Type	Method	Description
void	assignSystemID(BigId internalID)	Called by the framework to assign the system's local ID to this event.
String	getSourceID()	Gets the ID of the source of event.
BigId	getSystemID()
String	getSystemUID()	Gets the unique ID of the system related to this event. For system groups (e.g.

Methods inherited from class org.sensorhub.api.event.Event

getSource, getTimeStamp, toString

Methods inherited from class java.lang.Object

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

Field Details

systemUID

protected String systemUID

sourceID

protected String sourceID

systemID

protected BigId systemID

Constructor Details

SystemEvent

public SystemEvent(long timeStamp,
 String sysUID)

SystemEvent

public SystemEvent(String sysUID)

Method Details

getSystemUID

public String getSystemUID()

Gets the unique ID of the system related to this event.
For system groups (e.g. sensor networks), it will be either the UID of the group as a whole (if the event is global) or the UID of a single subsystem within the group (if the event applies only to that member)

Returns:

Unique ID of related system

getSystemID

public BigId getSystemID()

Returns:

Local ID of the system related to this event

assignSystemID

public void assignSystemID(BigId internalID)

Called by the framework to assign the system's local ID to this event. This can only be called once and must be called before the event is dispatched.

Parameters:

internalID - Local ID of related system

getSourceID

public String getSourceID()

Description copied from class: Event

Gets the ID of the source of event.

Specified by:

getSourceID in class Event

Returns:

ID of the event source