root/org.jalcedo.client.examples/trunk/org.jalcedo.client.examples.jpa/src/org/jalcedo/client/examples/models/Item.java

package org.jalcedo.client.examples.models;

import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.io.Serializable;

import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Transient;

@Entity
public class Item implements Serializable{
    private static final long serialVersionUID = 1L;

    @Id
    private Integer id;

    private String name;

    private Integer price;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        String oldValue = this.name;
        this.name = name;
        firePropertyChange("name", oldValue, this.name);
    }

    public Integer getPrice() {
        return price;
    }

    public void setPrice(Integer price) {
        Integer oldValue = this.price;
        this.price = price;
        firePropertyChange("price", oldValue, this.price);      
    }

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        Integer oldValue = this.id;
        this.id = id;
        firePropertyChange("id", oldValue, this.id);
    }
    
    @Transient
    private PropertyChangeSupport propertyChangeSupport = new PropertyChangeSupport(
            this);

    public void addPropertyChangeListener(PropertyChangeListener listener) {
        propertyChangeSupport.addPropertyChangeListener(listener);
    }

    public void addPropertyChangeListener(String propertyName,
            PropertyChangeListener listener) {
        propertyChangeSupport.addPropertyChangeListener(propertyName, listener);
    }

    public void removePropertyChangeListener(PropertyChangeListener listener) {
        propertyChangeSupport.removePropertyChangeListener(listener);
    }

    public void removePropertyChangeListener(String propertyName,
            PropertyChangeListener listener) {
        propertyChangeSupport.removePropertyChangeListener(propertyName,
                listener);
    }

    protected void firePropertyChange(String propertyName, Object oldValue,
            Object newValue) {
        propertyChangeSupport.firePropertyChange(propertyName, oldValue,
                newValue);
    }

}