Package org.esa.snap.core.param

Class ParamChangeEvent

java.lang.Object

java.util.EventObject

org.esa.snap.core.param.ParamChangeEvent

All Implemented Interfaces:

Serializable

public class ParamChangeEvent
extends EventObject

A ParamChangeEvent occurs when the value of parameter has changed.

Version:

$Revision$ $Date$

See Also:

• Parameter
• Serialized Form

Field Summary

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor	Description
ParamChangeEvent(Object source, Parameter parameter, Object oldValue)	Constructs a new event for the given source, parameter and the parameter's old value.

Method Summary

Modifier and Type	Method	Description
Object	getOldValue()	Returns the parameter's old value.
Parameter	getParameter()	Returns the parameter whose value changed.

Methods inherited from class java.util.EventObject

getSource, toString

Methods inherited from class java.lang.Object

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

Constructor Details

ParamChangeEvent

public ParamChangeEvent(Object source,
 Parameter parameter,
 Object oldValue)

Constructs a new event for the given source, parameter and the parameter's old value.

Parameters:

source - the source which fired this event

parameter - the parameter whose value changed

oldValue - the parameter's old value

Method Details

getParameter

public Parameter getParameter()

Returns the parameter whose value changed.

getOldValue

public Object getOldValue()

Returns the parameter's old value.