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

Example 11 with ConfigurationEvent

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

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 DistributedLogConfiguration());
    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);
    }
}

Example 12 with ConfigurationEvent

use of org.apache.commons.configuration.event.ConfigurationEvent in project spring-cloud-netflix by spring-cloud.

the class ArchaiusAutoConfigurationTests method environmentChangeEventPropagated.

@Test
public void environmentChangeEventPropagated() {
    this.context = new AnnotationConfigApplicationContext(ArchaiusAutoConfiguration.class);
    ConfigurationManager.getConfigInstance().addConfigurationListener(new ConfigurationListener() {

        @Override
        public void configurationChanged(ConfigurationEvent event) {
            if (event.getPropertyName().equals("my.prop")) {
                ArchaiusAutoConfigurationTests.this.propertyValue = event.getPropertyValue();
            }
        }
    });
    EnvironmentTestUtils.addEnvironment(this.context, "my.prop=my.newval");
    this.context.publishEvent(new EnvironmentChangeEvent(Collections.singleton("my.prop")));
    assertEquals("my.newval", this.propertyValue);
}