org.apache.commons.configuration.event.ConfigurationListener Java Examples

The following examples show how to use org.apache.commons.configuration.event.ConfigurationListener. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: DynamicRequestLimiter.java    From distributedlog with Apache License 2.0 6 votes vote down vote up 
public DynamicRequestLimiter(DynamicDistributedLogConfiguration dynConf,
                             StatsLogger statsLogger,
                             Feature rateLimitDisabledFeature) {
    final StatsLogger limiterStatsLogger = statsLogger.scope("dynamic");
    this.dynConf = dynConf;
    this.rateLimitDisabledFeature = rateLimitDisabledFeature;
    this.listener = new ConfigurationListener() {
        @Override
        public void configurationChanged(ConfigurationEvent event) {
            // Note that this method may be called several times if several config options
            // are changed. The effect is harmless except that we create and discard more
            // objects than we need to.
            LOG.debug("Config changed callback invoked with event {} {} {} {}", new Object[] {
                    event.getPropertyName(), event.getPropertyValue(), event.getType(),
                    event.isBeforeUpdate()});
            if (!event.isBeforeUpdate()) {
                limiterStatsLogger.getCounter("config_changed").inc();
                LOG.debug("Rebuilding limiter");
                limiter = build();
            }
        }
    };
    LOG.debug("Registering config changed callback");
    dynConf.addConfigurationListener(listener);
}
Example #2
Source File: ConfigurationManager.java    From qaf with MIT License 6 votes vote down vote up 
@Override
protected PropertyUtil initialValue() {
	PropertyUtil p = new PropertyUtil(
			System.getProperty("application.properties.file",
					"resources/application.properties"));
	p.setProperty("isfw.build.info", getBuildInfo());
	p.setEncoding(p.getString(ApplicationProperties.LOCALE_CHAR_ENCODING.key, "UTF-8"));
	p.setProperty("execution.start.ts", System.currentTimeMillis());

	File prjDir = new File(".").getAbsoluteFile().getParentFile();
	p.setProperty("project.path", prjDir.getAbsolutePath());
	if(!p.containsKey("project.name"))
	p.setProperty("project.name", prjDir.getName());

	log.info("ISFW build info: " + p.getProperty("isfw.build.info"));
	String[] resources = p.getStringArray("env.resources", "resources");
	for (String resource : resources) {
		addBundle(p, resource);
	}
	ConfigurationListener cl = new PropertyConfigurationListener();
	p.addConfigurationListener(cl);
	return p;
}
Example #3
Source File: DynamicRequestLimiter.java    From distributedlog with Apache License 2.0 6 votes vote down vote up 
public DynamicRequestLimiter(DynamicDistributedLogConfiguration dynConf,
                             StatsLogger statsLogger, Feature rateLimitDisabledFeature) {
    final StatsLogger limiterStatsLogger = statsLogger.scope("dynamic");
    this.dynConf = dynConf;
    this.rateLimitDisabledFeature = rateLimitDisabledFeature;
    this.listener = new ConfigurationListener() {
        @Override
        public void configurationChanged(ConfigurationEvent event) {
            // Note that this method may be called several times if several config options
            // are changed. The effect is harmless except that we create and discard more
            // objects than we need to.
            LOG.debug("Config changed callback invoked with event {} {} {} {}", new Object[] {
                    event.getPropertyName(), event.getPropertyValue(), event.getType(),
                    event.isBeforeUpdate()});
            if (!event.isBeforeUpdate()) {
                limiterStatsLogger.getCounter("config_changed").inc();
                LOG.debug("Rebuilding limiter");
                limiter = build();
            }
        }
    };
    LOG.debug("Registering config changed callback");
    dynConf.addConfigurationListener(listener);
}
Example #4
Source File: ConfigurationManager.java    From qaf with MIT License 5 votes vote down vote up 
@Override
protected PropertyUtil childValue(PropertyUtil parentValue) {
	PropertyUtil cp = new PropertyUtil(parentValue);
	ConfigurationListener cl = new PropertyConfigurationListener();
	cp.addConfigurationListener(cl);
	return cp;
}
Example #5
Source File: MetricsCloudWatchConfiguration.java    From chassis with Apache License 2.0 5 votes vote down vote up 
private void addConfigurationListener() {
    final MetricsCloudWatchConfiguration 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_AWS_ENABLED) ||
                    name.equals(METRICS_AWS_FILTER) ||
                    name.equals(METRICS_AWS_PUBLISH_INTERVAL) ||
                    name.equals(METRICS_AWS_PUBLISH_INTERVAL_UNIT))) {
                return;
            }

            springConfig.enabled = name.equals(METRICS_AWS_ENABLED) ? Boolean.parseBoolean(event.getPropertyValue() + "") : springConfig.enabled;
            destroyReporter();
            if (springConfig.enabled) {
                createReporter();
            }

        }
    });
}
Example #6
Source File: MetricsGraphiteConfiguration.java    From chassis with Apache License 2.0 5 votes vote down vote up 
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 #7
Source File: ArchaiusPropertyResolver.java    From ribbon with Apache License 2.0 5 votes vote down vote up 
private ArchaiusPropertyResolver() {
    this.config = ConfigurationManager.getConfigInstance();

    ConfigurationManager.getConfigInstance().addConfigurationListener(new ConfigurationListener() {
        @Override
        public void configurationChanged(ConfigurationEvent event) {
            if (!event.isBeforeUpdate()) {
                actions.forEach(ArchaiusPropertyResolver::invokeAction);
            }
        }
    });
}
Example #8
Source File: TestConfigurationSubscription.java    From distributedlog with Apache License 2.0 4 votes vote down vote up 
@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);
    }
}
Example #9
Source File: TestConfigurationSubscription.java    From distributedlog with Apache License 2.0 4 votes vote down vote up 
@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 #10
Source File: OtrosConfiguration.java    From otroslogviewer with Apache License 2.0 4 votes vote down vote up 
@Override
public void addConfigurationListener(ConfigurationListener l) {
  eventSource.addConfigurationListener(l);
}
Example #11
Source File: OtrosConfiguration.java    From otroslogviewer with Apache License 2.0 4 votes vote down vote up 
@Override
public boolean removeConfigurationListener(ConfigurationListener l) {
  return eventSource.removeConfigurationListener(l);
}
Example #12
Source File: OtrosConfiguration.java    From otroslogviewer with Apache License 2.0 4 votes vote down vote up 
@Override
public Collection<ConfigurationListener> getConfigurationListeners() {
  return eventSource.getConfigurationListeners();
}
Example #13
Source File: CommonsConfigurationFactoryBean.java    From telekom-workflow-engine with MIT License 4 votes vote down vote up 
public void setConfigurationListener( ConfigurationListener listener ){
    this.listener = listener;
}