de.javagl.common.beans

Class AbstractBean

java.lang.Object

de.javagl.common.beans.AbstractBean

All Implemented Interfaces:

Serializable

public abstract class AbstractBean
extends Object
implements Serializable

Abstract base implementation of a bean, maintaining a PropertyChangeSupport.

In order to easily create a bean in Eclipse:

• Inherit from this class
• Automatically create setters and getters for all fields
• Open the Find/Replace dialog
  
  • Enable "Regular Expressions"
  • Find: (this.+) = (\w+);
  • Replace with: firePropertyChange("$2", $1, $1 = $2);

See Also:

Serialized Form

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractBean() Default constructor

Method Summary

Modifier and Type	Method and Description
void	addPropertyChangeListener(PropertyChangeListener propertyChangeListener) Add the given listener to be informed about property changes
void	addPropertyChangeListener(String propertyName, PropertyChangeListener propertyChangeListener) Add the given listener to be informed about property changes
protected void	firePropertyChange(String propertyName, Object oldValue, Object newValue) Informs all registered PropertyChangeListeners about the change in the specified property.
void	removePropertyChangeListener(PropertyChangeListener propertyChangeListener) Remove the given listener
void	removePropertyChangeListener(String propertyName, PropertyChangeListener propertyChangeListener) Remove the given listener

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractBean

protected AbstractBean()

Default constructor

Method Detail

firePropertyChange

protected final void firePropertyChange(String propertyName,
                                        Object oldValue,
                                        Object newValue)

Informs all registered PropertyChangeListeners about the change in the specified property. No event is fired if old and new are equal and non-null.

Parameters:

propertyName - The name of the property

oldValue - The old value of the property

newValue - The new value of the property

addPropertyChangeListener

public final void addPropertyChangeListener(PropertyChangeListener propertyChangeListener)

Add the given listener to be informed about property changes

Parameters:

propertyChangeListener - The listener to add

removePropertyChangeListener

public final void removePropertyChangeListener(PropertyChangeListener propertyChangeListener)

Remove the given listener

Parameters:

propertyChangeListener - The listener to remove

addPropertyChangeListener

public final void addPropertyChangeListener(String propertyName,
                                            PropertyChangeListener propertyChangeListener)

Add the given listener to be informed about property changes

Parameters:

propertyName - The property name

propertyChangeListener - The listener to add

removePropertyChangeListener

public final void removePropertyChangeListener(String propertyName,
                                               PropertyChangeListener propertyChangeListener)

Remove the given listener

Parameters:

propertyName - The property name

propertyChangeListener - The listener to remove