edu.wisc.ssec.mcidasv.probes

Class ProbeEvent<T>

java.lang.Object

java.util.EventObject

edu.wisc.ssec.mcidasv.probes.ProbeEvent<T>

All Implemented Interfaces:

Serializable

public class ProbeEvent<T>
extends EventObject

This class captures a change to a probe and stores both the previous and current (as of the event's creation) changed values.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
private T	newValue Current value of the probe.
private T	oldValue Previous value of the probe.

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor and Description
ProbeEvent(ReadoutProbe source, T oldValue, T newValue) Generated when a ReadoutProbe changes either its position, color, or visibility.

Method Summary

Methods

Modifier and Type	Method and Description
T	getNewValue() Returns the current (as of this event) value of the probe.
T	getOldValue() Returns the value of the probe before this event was generated.
ReadoutProbe	getProbe() Returns the probe that generated this event.
String	toString() Returns a brief summary of this event.

Methods inherited from class java.util.EventObject

getSource

Methods inherited from class java.lang.Object

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

Field Detail

oldValue

private final T oldValue

Previous value of the probe.

newValue

private final T newValue

Current value of the probe.

Constructor Detail

ProbeEvent

public ProbeEvent(ReadoutProbe source,
          T oldValue,
          T newValue)

Generated when a ReadoutProbe changes either its position, color, or visibility. Currently stores either position, color, or visibility both before and after the change.

Parameters:

source - Probe that generated this event.

oldValue - Old value of the probe.

newValue - New value of the probe.

Throws:

NullPointerException - if any parameters are null.

Method Detail

getProbe

public ReadoutProbe getProbe()

Returns the probe that generated this event.

Returns:

Probe from which this event originated.

getOldValue

public T getOldValue()

Returns the value of the probe before this event was generated.

Returns:

Previous probe value.

getNewValue

public T getNewValue()

Returns the current (as of this event) value of the probe.

Returns:

Current probe value.

toString

public String toString()

Returns a brief summary of this event. Please note that this format is subject to change.

Overrides:

toString in class EventObject

Returns:

String that looks like [ProbeEvent@HASHCODE: source=..., oldValue=..., newValue=...].