ModelObject.java

package org.fipro.eclipse.migration.e4.model;

import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;

public class ModelObject {
	
  private PropertyChangeSupport changeSupport = new PropertyChangeSupport(this);

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

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

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

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

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