Class ProcessAlarmManager

java.lang.Object

neqsim.process.alarm.ProcessAlarmManager

All Implemented Interfaces:

Serializable

public class ProcessAlarmManager
extends Object
implements Serializable

Coordinates alarm evaluation across all measurement devices in a process system.

Supports automatic alarm-triggered actions through registered AlarmActionHandler instances.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private final List<AlarmActionHandler>	actionHandlers
private final List<MeasurementDeviceInterface>	devices
private final List<AlarmEvent>	history
private static final long	serialVersionUID

Constructor Summary

Constructors

Constructor	Description
ProcessAlarmManager()

Method Summary

Modifier and Type	Method	Description
List<AlarmEvent>	acknowledgeAll(double time)	Acknowledges alarms for all registered devices.
void	applyFrom(ProcessAlarmManager source, List<MeasurementDeviceInterface> measurementDevices)	Copies the content of another manager instance.
void	clearHistory()	Removes all recorded alarm events.
boolean	equals(Object obj)
List<AlarmEvent>	evaluateMeasurement(MeasurementDeviceInterface device, double measuredValue, double dt, double time)	Evaluates alarms for a single measurement value.
private void	executeActionHandlers(List<AlarmEvent> events)	Executes all registered action handlers for the given events.
List<AlarmActionHandler>	getActionHandlers()	Gets all registered action handlers.
List<AlarmStatusSnapshot>	getActiveAlarms()	Returns snapshots of all currently active alarms.
List<AlarmEvent>	getHistory()	Returns an immutable view of the collected alarm history.
int	hashCode()
void	register(MeasurementDeviceInterface device)	Registers a measurement device for alarm supervision.
void	registerActionHandler(AlarmActionHandler handler)	Registers an action handler to respond to alarm events.
void	registerAll(List<MeasurementDeviceInterface> measurementDevices)	Registers multiple devices in one operation.
void	removeActionHandler(AlarmActionHandler handler)	Removes an action handler.

Methods inherited from class Object

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

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

devices

private final List<MeasurementDeviceInterface> devices

history

private final List<AlarmEvent> history

actionHandlers

private final List<AlarmActionHandler> actionHandlers

Constructor Details

ProcessAlarmManager

public ProcessAlarmManager()

Method Details

register

public void register(MeasurementDeviceInterface device)

Registers a measurement device for alarm supervision.

Parameters:

device - device to register

registerAll

public void registerAll(List<MeasurementDeviceInterface> measurementDevices)

Registers multiple devices in one operation.

Parameters:

measurementDevices - devices to register

evaluateMeasurement

public List<AlarmEvent> evaluateMeasurement(MeasurementDeviceInterface device,
 double measuredValue,
 double dt,
 double time)

Evaluates alarms for a single measurement value.

Parameters:

device - measurement device producing the value

measuredValue - current measured value

dt - time step

time - current simulation time

Returns:

events generated during evaluation

registerActionHandler

public void registerActionHandler(AlarmActionHandler handler)

Registers an action handler to respond to alarm events.

Parameters:

handler - the action handler to register

removeActionHandler

public void removeActionHandler(AlarmActionHandler handler)

Removes an action handler.

Parameters:

handler - the action handler to remove

getActionHandlers

public List<AlarmActionHandler> getActionHandlers()

Gets all registered action handlers.

Returns:

immutable list of action handlers

executeActionHandlers

private void executeActionHandlers(List<AlarmEvent> events)

Executes all registered action handlers for the given events.

Parameters:

events - alarm events to process

acknowledgeAll

public List<AlarmEvent> acknowledgeAll(double time)

Acknowledges alarms for all registered devices.

Parameters:

time - simulation time for the acknowledgement

Returns:

list of acknowledgement events

getHistory

public List<AlarmEvent> getHistory()

Returns an immutable view of the collected alarm history.

Returns:

alarm event history

getActiveAlarms

public List<AlarmStatusSnapshot> getActiveAlarms()

Returns snapshots of all currently active alarms.

Returns:

list of active alarm snapshots

clearHistory

public void clearHistory()

Removes all recorded alarm events.

applyFrom

public void applyFrom(ProcessAlarmManager source,
 List<MeasurementDeviceInterface> measurementDevices)

Copies the content of another manager instance.

Parameters:

source - source manager to copy from

measurementDevices - devices that should be supervised by this manager

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object