protected final void firePropertyChange(PropertyChangeEvent event){
  PropertyChangeSupport aChangeSupport=this.changeSupport;
  if (aChangeSupport == null) {
    return;
  }
  aChangeSupport.firePropertyChange(event);
}

protected final void firePropertyChange ( PropertyChangeEvent event ) { PropertyChangeSupport aChangeSupport = this . changeSupport ; if ( aChangeSupport == null ) { return ; } aChangeSupport . firePropertyChange ( event ) ; }
general support for reporting bound property changes . sends the given propertychangeevent to any registered propertychangelistener . < p > most bean setters will invoke the firexxx methods that get a property name and the old and new value . however some frameworks and setters may prefer to use this general method . also , this method allows to fire indexedpropertychangeevents that have been introduced in java 5 .
