HandlerEventAdapter.java 文件源码

@Override
public void init(IInternalNodeConnection connection) {
    super.init(connection);
    if (initializationRequired) {
        connection.getNode().eAdapters().add(new EContentAdapter() {
            @Override
            public void notifyChanged(Notification msg) {
                if (msg.getFeature() == ClickWatchModelPackage.eINSTANCE.getNode_Elements() || 
                        msg.getFeature() == ClickWatchModelPackage.eINSTANCE.getElement_Children() ||
                        msg.getFeature() == ClickWatchModelPackage.eINSTANCE.getElement_Handlers()) {
                    if (!metaDataMightHaveChanged) {
                        logger.log(ILogger.DEBUG, "HandlerEventAdapter realized that meta-data has changed", null);
                    }
                    metaDataMightHaveChanged = true;

                }
                super.notifyChanged(msg);
            }

            @Override
            protected void selfAdapt(Notification notification) {
                if (!(notification.getNotifier() instanceof Handler)) {
                    super.selfAdapt(notification);
                }
            }                             
        });
        initializationRequired = false;
    }
}