public TangoConnectionImpl(final String uri, String attributeName, boolean requireEvents)
throws Exception {
super(uri, attributeName);
createTangoHost();
this.tangoProxy = new DeviceProxy(uri);
if (requireEvents) {
this.tangoEvents = new TangoEventsAdapter(tangoProxy);
this.listener =
new ITangoChangeListener() {
@Override
public void change(TangoChangeEvent event) {
fireTangoConnectionListeners(event);
lastEvent = System.currentTimeMillis();
}
};
if (attributeName != null) {
tangoEvents.addTangoChangeListener(listener, attributeName, new String[0]);
} else {
this.attributeName = "Output";
tangoEvents.addTangoChangeListener(listener, attributeName, new String[0]);
}
}
}
/**
* Can throw tango exceptions. Once called this connection is dead.
*
* @throws Exeption
*/
public synchronized void dispose() throws Exception {
super.dispose();
if (tangoEvents != null && listener != null) {
tangoEvents.removeTangoChangeListener(listener, attributeName);
}
tangoProxy = null;
tangoEvents = null;
listener = null;
}