private Properties properties(final Config config) { Properties props = new Properties(); // dump config.getConfig("org.quartz").entrySet().forEach( e -> props.setProperty("org.quartz." + e.getKey(), e.getValue().unwrapped().toString())); String store = props.getProperty("org.quartz.jobStore.class"); if (JobStoreTX.class.getName().equals(store)) { String ds = props.getProperty(DS); if (ds == null) { throw new IllegalArgumentException("Missing property: " + DS); } } return props; }