Examples of com.netflix.config.ConcurrentCompositeConfiguration

com.netflix.config.ConcurrentCompositeConfiguration
iguration from local properties file String fileName = "..."; ConcurrentMapConfiguration configFromPropertiesFile = new ConcurrentMapConfiguration(new PropertiesConfiguration(fileName)); // configuration from system properties ConcurrentMapConfiguration configFromSystemProperties = new ConcurrentMapConfiguration(new SystemConfiguration()); // configuration from a dynamic source PolledConfigurationSource source = createMyOwnSource(); AbstractPollingScheduler scheduler = createMyOwnScheduler(); DynamicConfiguration dynamicConfiguration = new DynamicConfiguration(source, scheduler); // create a hierarchy of configuration that makes // 1) dynamic configuration source override system properties and, // 2) system properties override properties file ConcurrentCompositeConfiguration finalConfig = new ConcurrentCompositeConfiguration(); finalConfig.add(dynamicConfiguration, "dynamicConfig"); finalConfig.add(configFromSystemProperties, "systemConfig"); finalConfig.add(configFromPropertiesFile, "fileConfig"); // register with DynamicPropertyFactory so that finalConfig // becomes the source of dynamic properties DynamicPropertyFactory.initWithConfigurationSource(finalConfig); @author awang

     * @throws InterruptedException 
     */
    @Test
    public void testUpdateProperties() throws InterruptedException {
        AbstractConfiguration.setDefaultListDelimiter(',');
        AbstractConfiguration config  = new ConcurrentCompositeConfiguration();
        config.addConfigurationListener(new ExpandedConfigurationListenerAdapter(new MyListener()));
        MyListener.resetCount();
        config.setProperty("test", "host,host1,host2");
        config.setProperty("test12", "host12");
        Map<String,Object> added = Maps.newHashMap();
        added.put("test.host","test,test1");
        Map<String,Object> changed = Maps.newHashMap();
        changed.put("test","host,host1");
        changed.put("test.host","");
        dynamicPropertyUpdater.updateProperties(WatchedUpdateResult.createIncremental(added, changed, null), config, false);
        assertEquals("",config.getProperty("test.host"));
        assertEquals(2,((CopyOnWriteArrayList)(config.getProperty("test"))).size());
        assertTrue(((CopyOnWriteArrayList)(config.getProperty("test"))).contains("host"));
        assertTrue(((CopyOnWriteArrayList)(config.getProperty("test"))).contains("host1"));
        assertEquals(5, MyListener.count);
    }

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    @Test
    public void testAddorChangeProperty(){
        AbstractConfiguration.setDefaultListDelimiter(',');
        AbstractConfiguration config  = new ConcurrentCompositeConfiguration();
        config.addConfigurationListener(new ExpandedConfigurationListenerAdapter(new MyListener()));
        MyListener.resetCount();
        config.setProperty("test.host", "test,test1,test2");
        assertEquals(1, MyListener.count);
        dynamicPropertyUpdater.addOrChangeProperty("test.host", "test,test1,test2", config);
        assertEquals(3,((CopyOnWriteArrayList)(config.getProperty("test.host"))).size());
        assertTrue(((CopyOnWriteArrayList)(config.getProperty("test.host"))).contains("test"));
        assertTrue(((CopyOnWriteArrayList)(config.getProperty("test.host"))).contains("test1"));
        assertTrue(((CopyOnWriteArrayList)(config.getProperty("test.host"))).contains("test2"));
        assertEquals(1, MyListener.count);
        dynamicPropertyUpdater.addOrChangeProperty("test.host", "test,test1,test2", config);
        assertEquals(3,((CopyOnWriteArrayList)(config.getProperty("test.host"))).size());
        assertTrue(((CopyOnWriteArrayList)(config.getProperty("test.host"))).contains("test"));
        assertTrue(((CopyOnWriteArrayList)(config.getProperty("test.host"))).contains("test1"));
        assertTrue(((CopyOnWriteArrayList)(config.getProperty("test.host"))).contains("test2"));
        assertEquals(1, MyListener.count);
        dynamicPropertyUpdater.addOrChangeProperty("test.host", "test,test1", config);
        assertEquals(2,((CopyOnWriteArrayList)(config.getProperty("test.host"))).size());
        assertTrue(((CopyOnWriteArrayList)(config.getProperty("test.host"))).contains("test"));
        assertTrue(((CopyOnWriteArrayList)(config.getProperty("test.host"))).contains("test1"));
        assertEquals(2, MyListener.count);
        
        dynamicPropertyUpdater.addOrChangeProperty("test.host1", "test1,test12", config);
        assertEquals(2,((CopyOnWriteArrayList)(config.getProperty("test.host1"))).size());
        assertTrue(((CopyOnWriteArrayList)(config.getProperty("test.host1"))).contains("test1"));
        assertTrue(((CopyOnWriteArrayList)(config.getProperty("test.host1"))).contains("test12"));
        assertEquals(3, MyListener.count);
        
        config.setProperty("test.host1", "test1.test12");
        dynamicPropertyUpdater.addOrChangeProperty("test.host1", "test1.test12", config);
        assertEquals("test1.test12",config.getProperty("test.host1"));
        assertEquals(4, MyListener.count);
    }

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    @Test
    public void testAddorUpdatePropertyWithColonDelimiter(){
        AbstractConfiguration.setDefaultListDelimiter(':');
        AbstractConfiguration config  = new ConcurrentCompositeConfiguration();
        config.addConfigurationListener(new ExpandedConfigurationListenerAdapter(new MyListener()));
        MyListener.resetCount();
        config.setProperty("test.host", "test:test1:test2");
        assertEquals(1, MyListener.count);
        dynamicPropertyUpdater.addOrChangeProperty("test.host", "test:test1:test2", config);
        assertEquals(3,((CopyOnWriteArrayList)(config.getProperty("test.host"))).size());
        assertTrue(((CopyOnWriteArrayList)(config.getProperty("test.host"))).contains("test"));
        assertTrue(((CopyOnWriteArrayList)(config.getProperty("test.host"))).contains("test1"));
        assertTrue(((CopyOnWriteArrayList)(config.getProperty("test.host"))).contains("test2"));
        assertEquals(1, MyListener.count); // the config is not set again. when the value is still not changed.
       config.setProperty("test.host1", "test1:test12");
        // changing the new object value , the config.setProperty should be called again.
        dynamicPropertyUpdater.addOrChangeProperty("test.host1", "test1.test12", config);
        assertEquals("test1.test12",config.getProperty("test.host1"));
       assertEquals(3, MyListener.count);
    }

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        System.setProperty("com.netflix.config.samples.SampleApp.SampleBean.sensitiveBeanData", "value from system property");
    }
    
    public static void main(String[] args) {
        new SampleApplication();
        ConcurrentCompositeConfiguration myConfiguration = 
            (ConcurrentCompositeConfiguration) DynamicPropertyFactory.getInstance().getBackingConfigurationSource();
        


        ConcurrentMapConfiguration subConfig = new ConcurrentMapConfiguration();
        subConfig.setProperty("com.netflix.config.samples.SampleApp.SampleBean.name", "A Coffee Bean from Cuba");
        myConfiguration.setProperty("com.netflix.config.samples.sampleapp.prop1", "value1");


        myConfiguration.addConfiguration(subConfig);
        System.out.println("Started SampleApplication. Launch JConsole to inspect and update properties.");
        System.out.println("To see how callback work, update property com.netflix.config.samples.SampleApp.SampleBean.sensitiveBeanData from BaseConfigBean in JConsole");
        
        SampleBean sampleBean = new SampleBean();
        // this should show the bean taking properties from two different sources

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        mapConfig.addProperty("test.key1", "test.value1-map");
        mapConfig.addProperty("test.key2", "test.value2-map");
        mapConfig.addProperty("test.key3", "test.value3-map");
        mapConfig.addProperty("test.key4", "test.value4-map");
        
        final ConcurrentCompositeConfiguration compositeConfig = new ConcurrentCompositeConfiguration();
        compositeConfig.addConfiguration(zkDynamicOverrideConfig, "zk dynamic override configuration");
        compositeConfig.addConfiguration(mapConfig, "map configuration");
        compositeConfig.addConfiguration(systemConfig, "system configuration");


        // setup ZK properties
        setZkProperty("test.key1", "test.value1-zk");
        setZkProperty("test.key2", "test.value2-zk");
        setZkProperty("test.key4", "test.value4-zk");

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     * and thread safety. 
     * 
     * @param config Configuration to be converted
     */
    public static ConcurrentCompositeConfiguration convertToConcurrentCompositeConfiguration(CombinedConfiguration config) {
        ConcurrentCompositeConfiguration root = new ConcurrentCompositeConfiguration();
        IdentityHashMap<Configuration, String> reverseMap = new IdentityHashMap<Configuration, String>();
        for (String name: (Set<String>) config.getConfigurationNames()) {
            Configuration child = config.getConfiguration(name);
            reverseMap.put(child, name);
        } 
        for (int i = 0; i < config.getNumberOfConfigurations(); i++) {
            Configuration child = config.getConfiguration(i);
            String name = reverseMap.get(child);
            if (child instanceof CombinedConfiguration) {
                CombinedConfiguration combinedConf = (CombinedConfiguration) child;
                ConcurrentCompositeConfiguration newConf = convertToConcurrentCompositeConfiguration(combinedConf);
                root.addConfiguration(newConf, name);
            } else {
                Configuration conf = new ConcurrentMapConfiguration(child);
                root.addConfiguration((AbstractConfiguration) conf, name);
            }

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        Map<String, Configuration> map = new HashMap<String, Configuration>();
        toProcess.add(conf);
        while (!toProcess.isEmpty()) {
            Configuration current = toProcess.remove(0);
            if (current instanceof ConcurrentCompositeConfiguration) {
                ConcurrentCompositeConfiguration composite = (ConcurrentCompositeConfiguration) current;
                for (String name: composite.getConfigurationNames()) {
                    map.put(name, composite.getConfiguration(name));
                }
                for (Configuration c: composite.getConfigurations()) {
                    toProcess.add(c);
                }
            } else if (current instanceof CombinedConfiguration) {
                CombinedConfiguration combined = (CombinedConfiguration) current;
                for (String name: (Set<String>) combined.getConfigurationNames()) {

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    private EventBusImpl eventBus;


    @Before
  public void setUp() throws Exception {
        ConcurrentCompositeConfiguration config = (ConcurrentCompositeConfiguration)ConfigurationManager.getConfigInstance();
        config.setOverrideProperty(SyncSubscribersGatekeeper.ALLOW_SYNC_SUBSCRIBERS, "false");
        eventBus = new EventBusImpl();
    }

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        SyncSubscribersGatekeeper.initState();
    }


    @Test
    public void testEmptyWhitelist() throws Exception {
        ConcurrentCompositeConfiguration config = (ConcurrentCompositeConfiguration)ConfigurationManager.getConfigInstance();
        config.setOverrideProperty(SyncSubscribersGatekeeper.ALLOW_SYNC_SUBSCRIBERS, "true");
        config.setOverrideProperty(SyncSubscribersGatekeeper.SYNC_SUBSCRIBERS_WHITELIST_JSON, "");


        Assert.assertTrue("Empty white list does not allow all subs as sync.", checkConsumeAllowed(new MySyncSub(), String.class));
    }

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        Assert.assertTrue("Empty white list does not allow all subs as sync.", checkConsumeAllowed(new MySyncSub(), String.class));
    }


    @Test
    public void testAllowAllSyncWithWhitelist() throws Exception {
        ConcurrentCompositeConfiguration config = (ConcurrentCompositeConfiguration)ConfigurationManager.getConfigInstance();
        config.setOverrideProperty(SyncSubscribersGatekeeper.ALLOW_SYNC_SUBSCRIBERS, "true");
        config.setOverrideProperty(SyncSubscribersGatekeeper.SYNC_SUBSCRIBERS_WHITELIST_JSON,
                ALLOW_ALL_METHODS_JSON);
        
        Assert.assertTrue("Allow all whitelist did not allow string event sync.", checkConsumeAllowed(new MySyncSub(), String.class));
        Assert.assertTrue("Allow all whitelist did not allow double event sync.", checkConsumeAllowed(new MySyncSub(), Double.class));
    }

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Related Classes of com.netflix.config.ConcurrentCompositeConfiguration

com.netflix.config.DynamicPropertyUpdaterTest

com.netflix.config.samples.SampleApplicationWithDefaultConfiguration

com.netflix.config.source.ZooKeeperConfigurationSourceTest

com.netflix.config.util.ConfigurationUtils

com.netflix.eventbus.impl.NFEventBusTest

com.netflix.eventbus.spi.SynSubGatekeeperTest

org.apache.commons.configuration.AbstractConfiguration

org.apache.commons.configuration.Configuration

org.apache.commons.configuration.ConfigurationRuntimeException

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