How to use

LazyJDBCSource

in

io.cattle.platform.archaius.sources

@Override
public PollResult poll(boolean initial, Object checkPoint) throws Exception {
  if (source == null) {
    return PollResult.createFull(new HashMap<String, Object>());
  }
  try {
    return source.poll(initial, checkPoint);
  } catch (SQLException e) {
    if (firstLoad) {
      return checkInitial(initial, checkPoint);
    }
    throw e;
  } finally {
    firstLoad = false;
  }
}

protected void refresh(AbstractConfiguration config) {
  if (config instanceof DynamicConfiguration && ((DynamicConfiguration) config).getSource() instanceof LazyJDBCSource) {
    LazyJDBCSource source = (LazyJDBCSource) ((DynamicConfiguration) config).getSource();
    if (configDataSource == null) {
      configDataSource = dataSourceFactory.createDataSource(dataSourceName);
    }
    source.setSource(new JDBCConfigurationSource(configDataSource, query, keyColumnName, valueColumnName));
  }
}

@Bean
ArchaiusStartup ArchaiusStartup(ExtensionManagerImpl em, @Qualifier("GlobalProperties") Properties props,
    DataSourceFactory dsf, RefreshableFixedDelayPollingScheduler scheduler) {
  ArchaiusStartup.setGlobalDefaults(props);
  ArchaiusStartup startup = new ArchaiusStartup();
  startup.setExtensionManager(em);
  startup.setDataSourceFactory(dsf);
  startup.setSchedulers(Arrays.asList(scheduler));
  EMUtils.addConfig(em, new DefaultTransformedEnvironmentProperties(), "DefaultEnvironmentConfig");
  EMUtils.addConfig(em, new TransformedEnvironmentProperties(), "EnvironmentConfig");
  EMUtils.addConfig(em, new NamedSystemConfiguration(), "SystemConfig");
  AbstractConfiguration localFileConfig = OptionalPropertiesConfigurationFactory.getConfiguration("cattle-local.properties");
  EMUtils.addConfig(em, localFileConfig, "CattleLocalFileConfig");
  NamedDynamicConfiguration dbConfig = new NamedDynamicConfiguration(new LazyJDBCSource(), scheduler);
  dbConfig.setSourceName("Database");
  EMUtils.addConfig(em, dbConfig, "DatabaseConfig");
  AbstractConfiguration cattleFileConfig = OptionalPropertiesConfigurationFactory.getConfiguration("cattle.properties");
  EMUtils.addConfig(em, cattleFileConfig, "CattleFileConfig");
  AbstractConfiguration cattleOverrideFileConfig = OptionalPropertiesConfigurationFactory.getConfiguration("cattle-override.properties");
  EMUtils.addConfig(em, cattleOverrideFileConfig, "CattleOverrideFileConfig");
  AbstractConfiguration cattleGlobalFileConfig = OptionalPropertiesConfigurationFactory.getConfiguration("cattle-global.properties");
  EMUtils.addConfig(em, cattleGlobalFileConfig, "CattleGlobalFileConfig");
  NamedMapConfiguration defaultsConfig = new NamedMapConfiguration(props);
  defaultsConfig.setSourceName("Code Packaged Defaults");
  EMUtils.addConfig(em, defaultsConfig, "DefaultsConfig");
  startup.init();
  em.start();
  startup.start();
  return startup;
}