de.cismet.commons.gui.equalizer

Class AbstractEqualizerModel

java.lang.Object

de.cismet.commons.gui.equalizer.AbstractEqualizerModel

All Implemented Interfaces:

EqualizerModel

Direct Known Subclasses:

DefaultEqualizerModel

public abstract class AbstractEqualizerModel
extends Object
implements EqualizerModel

This abstract EqualizerModel implementation takes care of the listener mechanism. The implementation is thread-safe and obeys the rules specified by the EqualizerModel interface.

Version:

1.0

Author:

martin.scholl@cismet.de

Constructor Summary

Constructors

Constructor and Description
AbstractEqualizerModel() Creates a new AbstractEqualizerModel object.

Method Summary

Modifier and Type	Method and Description
void	addEqualizerModelListener(EqualizerModelListener eml) Adds a new EqualizerModelListener to this model.
void	fireEqualizerModelEvent(EqualizerModelEvent eme) Informs all registered listeners that a new EqualizerModelEvent happened.
void	removeEqualizerModelListener(EqualizerModelListener eml) Remove the specified EqualizerModelListener.

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.cismet.commons.gui.equalizer.EqualizerModel

getEqualizerCategory, getEqualizerCategoryCount, getRange, getValueAt, setValueAt

Constructor Detail

AbstractEqualizerModel

public AbstractEqualizerModel()

Creates a new AbstractEqualizerModel object.

Method Detail

fireEqualizerModelEvent

public void fireEqualizerModelEvent(EqualizerModelEvent eme)

Informs all registered listeners that a new EqualizerModelEvent happened.

Parameters:

eme - the EqualizerModelEvent

Throws:

IllegalArgumentException - if the EqualizerModelEvent is null

addEqualizerModelListener

public void addEqualizerModelListener(EqualizerModelListener eml)

Description copied from interface: EqualizerModel

Adds a new EqualizerModelListener to this model. Any registered listener will be informed of model changes. If a listener has already been added any subsequent calls with the same instance shall be ignore. This means that any listener shall only be called once when a change happens. If null is passed nothing shall be done.

Specified by:

addEqualizerModelListener in interface EqualizerModel

Parameters:

eml - the EqualizerModelListener to add

removeEqualizerModelListener

public void removeEqualizerModelListener(EqualizerModelListener eml)

Description copied from interface: EqualizerModel

Remove the specified EqualizerModelListener. It will not be informed of changes anymore. If there is no such listener or if null is passed nothing shall be done.

Specified by:

removeEqualizerModelListener in interface EqualizerModel

Parameters:

eml - the EqualizerModelListener to remove