Examples with ConfigurationEvent org.apache.commons.configuration.event.ConfigurationEvent used on opensource projects

Example 1 with ConfigurationEvent

use of org.apache.commons.configuration.event.ConfigurationEvent in project chassis by Kixeye.

the class MetricsGraphiteConfiguration method addConfigurationListener.

private void addConfigurationListener() {
    final MetricsGraphiteConfiguration springConfig = this;
    ConfigurationManager.getConfigInstance().addConfigurationListener(new ConfigurationListener() {

        @Override
        public synchronized void configurationChanged(ConfigurationEvent event) {
            if (!(event.getType() == AbstractConfiguration.EVENT_SET_PROPERTY || event.getType() == AbstractConfiguration.EVENT_ADD_PROPERTY)) {
                return;
            }
            if (event.isBeforeUpdate()) {
                return;
            }
            String name = event.getPropertyName();
            if (!(name.equals(METRICS_GRAPHITE_ENABLED) || name.equals(METRICS_GRAPHITE_SERVER) || name.equals(METRICS_GRAPHITE_PORT) || name.equals(METRICS_GRAPHITE_FILTER) || name.equals(METRICS_GRAPHITE_PUBLISH_INTERVAL) || name.equals(METRICS_GRAPHITE_PUBLISH_INTERVAL_UNIT))) {
                return;
            }
            springConfig.enabled = name.equals(METRICS_GRAPHITE_ENABLED) ? Boolean.parseBoolean(event.getPropertyValue() + "") : springConfig.enabled;
            destroyReporterLoader();
            if (springConfig.enabled) {
                createReporterLoader();
            }
        }
    });
}

Example 2 with ConfigurationEvent

use of org.apache.commons.configuration.event.ConfigurationEvent in project chassis by Kixeye.

the class LoggingConfiguration method initialize.

@PostConstruct
public void initialize() {
    AbstractConfiguration config = ConfigurationManager.getConfigInstance();
    if (config.containsKey(LOGBACK_CONFIG_NAME)) {
        System.out.println("Loading logging config.");
        reloadLogging(config.getString(LOGBACK_CONFIG_NAME));
    }
    config.addConfigurationListener(new ConfigurationListener() {

        @Override
        public synchronized void configurationChanged(ConfigurationEvent event) {
            if ((event.getType() == AbstractConfiguration.EVENT_ADD_PROPERTY || event.getType() == AbstractConfiguration.EVENT_SET_PROPERTY) && StringUtils.equalsIgnoreCase(LOGBACK_CONFIG_NAME, event.getPropertyName()) && event.getPropertyValue() != null && !event.isBeforeUpdate()) {
                System.out.println("Reloading logging config.");
                reloadLogging((String) event.getPropertyValue());
            }
        }
    });
    ConfigurationListener flumeConfigListener = new ConfigurationListener() {

        private FlumeLoggerLoader loggerLoader = null;

        public synchronized void configurationChanged(ConfigurationEvent event) {
            if (!(event.getType() == AbstractConfiguration.EVENT_SET_PROPERTY || event.getType() == AbstractConfiguration.EVENT_ADD_PROPERTY || event.getType() == AbstractConfiguration.EVENT_CLEAR_PROPERTY)) {
                return;
            }
            if (FlumeLoggerLoader.FLUME_LOGGER_ENABLED_PROPERTY.equals(event.getPropertyName())) {
                if ("true".equals(event.getPropertyValue())) {
                    if (loggerLoader == null) {
                        // construct the bean
                        loggerLoader = (FlumeLoggerLoader) applicationContext.getBean(FlumeLoggerLoader.PROTOTYPE_BEAN_NAME, "chassis");
                    }
                // else we already have one so we're cool
                } else {
                    if (loggerLoader != null) {
                        // delete the bean
                        ConfigurableBeanFactory beanFactory = (ConfigurableBeanFactory) applicationContext.getParentBeanFactory();
                        beanFactory.destroyBean(FlumeLoggerLoader.PROTOTYPE_BEAN_NAME, loggerLoader);
                        loggerLoader = null;
                    }
                // else we don't have any so we're cool
                }
            } else if (FlumeLoggerLoader.RELOAD_PROPERTIES.contains(event.getPropertyValue())) {
                // only reload if we're already running - otherwise ignore
                if (loggerLoader != null) {
                    // delete the bean
                    ConfigurableBeanFactory beanFactory = (ConfigurableBeanFactory) applicationContext.getParentBeanFactory();
                    beanFactory.destroyBean(FlumeLoggerLoader.PROTOTYPE_BEAN_NAME, loggerLoader);
                    loggerLoader = null;
                    // construct the bean
                    loggerLoader = (FlumeLoggerLoader) applicationContext.getBean(FlumeLoggerLoader.PROTOTYPE_BEAN_NAME, "chassis");
                }
            // else we don't have any so we're cool
            }
        }
    };
    config.addConfigurationListener(flumeConfigListener);
    flumeConfigListener.configurationChanged(new ConfigurationEvent(this, AbstractConfiguration.EVENT_SET_PROPERTY, FlumeLoggerLoader.FLUME_LOGGER_ENABLED_PROPERTY, config.getProperty(FlumeLoggerLoader.FLUME_LOGGER_ENABLED_PROPERTY), false));
}

Example 3 with ConfigurationEvent

use of org.apache.commons.configuration.event.ConfigurationEvent in project archaius by Netflix.

the class ConcurrentMapConfigurationTest method testListeners.

@Test
public void testListeners() {
    ConcurrentMapConfiguration conf = new ConcurrentMapConfiguration();
    final AtomicReference<ConfigurationEvent> eventRef = new AtomicReference<ConfigurationEvent>();
    conf.addConfigurationListener(new ConfigurationListener() {

        @Override
        public void configurationChanged(ConfigurationEvent arg0) {
            eventRef.set(arg0);
        }
    });
    conf.addProperty("key", "1");
    assertEquals(1, conf.getInt("key"));
    ConfigurationEvent event = eventRef.get();
    assertEquals("key", event.getPropertyName());
    assertEquals("1", event.getPropertyValue());
    assertTrue(conf == event.getSource());
    assertEquals(AbstractConfiguration.EVENT_ADD_PROPERTY, event.getType());
    conf.setProperty("key", "2");
    event = eventRef.get();
    assertEquals("key", event.getPropertyName());
    assertEquals("2", event.getPropertyValue());
    assertTrue(conf == event.getSource());
    assertEquals(AbstractConfiguration.EVENT_SET_PROPERTY, event.getType());
    conf.clearProperty("key");
    event = eventRef.get();
    assertEquals("key", event.getPropertyName());
    assertNull(event.getPropertyValue());
    assertTrue(conf == event.getSource());
    assertEquals(AbstractConfiguration.EVENT_CLEAR_PROPERTY, event.getType());
    conf.clear();
    assertFalse(conf.getKeys().hasNext());
    event = eventRef.get();
    assertTrue(conf == event.getSource());
    assertEquals(AbstractConfiguration.EVENT_CLEAR, event.getType());
}

Example 4 with ConfigurationEvent

use of org.apache.commons.configuration.event.ConfigurationEvent in project archaius by Netflix.

the class ListenerTest method testEventsTriggered.

@Test
public void testEventsTriggered() {
    config1.addProperty("abc", "foo");
    ConfigurationEvent event = listener.getLastEvent(true);
    assertTrue(event.isBeforeUpdate());
    assertEquals("foo", event.getPropertyValue());
    event = listener.getLastEvent(false);
    assertFalse(event.isBeforeUpdate());
    assertEquals("foo", event.getPropertyValue());
}

Example 5 with ConfigurationEvent

use of org.apache.commons.configuration.event.ConfigurationEvent in project bookkeeper by apache.

the class TestConfigurationSubscription method testExceptionInConfigLoad.

@Test(timeout = 60000)
public void testExceptionInConfigLoad() throws Exception {
    PropertiesWriter writer = new PropertiesWriter();
    writer.setProperty("prop1", "1");
    writer.save();
    DeterministicScheduler mockScheduler = new DeterministicScheduler();
    FileConfigurationBuilder builder = new PropertiesConfigurationBuilder(writer.getFile().toURI().toURL());
    ConcurrentConstConfiguration conf = new ConcurrentConstConfiguration(new CompositeConfiguration());
    List<FileConfigurationBuilder> fileConfigBuilders = Lists.newArrayList(builder);
    ConfigurationSubscription confSub = new ConfigurationSubscription(conf, fileConfigBuilders, mockScheduler, 100, TimeUnit.MILLISECONDS);
    final AtomicInteger count = new AtomicInteger(1);
    conf.addConfigurationListener(new ConfigurationListener() {

        @Override
        public void configurationChanged(ConfigurationEvent event) {
            LOG.info("config changed {}", event);
            // Throw after so we actually see the update anyway.
            if (!event.isBeforeUpdate()) {
                count.getAndIncrement();
                throw new RuntimeException("config listener threw and exception");
            }
        }
    });
    int i = 0;
    int initial = 0;
    while (count.get() == initial) {
        writer.setProperty("prop1", Integer.toString(i++));
        writer.save();
        mockScheduler.tick(100, TimeUnit.MILLISECONDS);
    }
    initial = count.get();
    while (count.get() == initial) {
        writer.setProperty("prop1", Integer.toString(i++));
        writer.save();
        mockScheduler.tick(100, TimeUnit.MILLISECONDS);
    }
}