@Override
	public final DataOrganization getDataOrganization() {
		if (dataOrganization == null) {
			try {
				// Initialization of dataOrganization may never have been established
				// if either an architecture has never been specified or a language
				// error occurred during initialization.  In such cases the stored
				// data organization should be used if available.
				dataOrganization = readDataOrganization();
			}
			catch (IOException e) {
				dbError(e);
			}
			if (dataOrganization == null) {
				dataOrganization = DataOrganizationImpl.getDefaultOrganization();
			}
		}
		return dataOrganization;
	}
Notification when data type settings have changed.
@param dt data type that is changed
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/data/DataTypeManagerDB.java