Package com.alibaba.dubbo.registry

Examples of com.alibaba.dubbo.registry.Registry

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    public <T> Exporter<T> export(final Invoker<T> originInvoker) throws RpcException {
        //export invoker
        final ExporterChangeableWrapper<T>  exporter = doLocolExport(originInvoker);
        //registry provider
        Registry registry = doRegister(originInvoker);
        //设置exporter与registry的关系 (for unexport)
        exporter.addRegistry(registry);
        //保证每次export都返回一个新的exporter实例
        return new Exporter<T>() {
            public Invoker<T> getInvoker() {
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     * 注册 provider
     * @param originInvoker
     * @return
     */
    private Registry doRegister(final Invoker<?> originInvoker){
        final Registry registry = getRegistry(originInvoker);
        final URL registedProviderUrl = getRegistedProviderUrl(originInvoker);
        registry.register(registedProviderUrl);
        // 订阅override数据
        // FIXME 提供者订阅时，会影响同一JVM即暴露服务，又引用同一服务的的场景，因为subscribed以服务名为缓存的key，导致订阅信息覆盖。
        registry.subscribe(registedProviderUrl.setProtocol(Constants.PROVIDER_PROTOCOL)
                .addParameters(Constants.CATEGORY_KEY, Constants.CONFIGURATORS_CATEGORY,
                        Constants.CHECK_KEY, String.valueOf(false)), listener);
        return registry;
    }
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    }
   
    @SuppressWarnings("unchecked")
  public <T> Invoker<T> refer(Class<T> type, URL url) throws RpcException {
        url = url.setProtocol(url.getParameter(Constants.REGISTRY_KEY, Constants.DEFAULT_REGISTRY)).removeParameter(Constants.REGISTRY_KEY);
        Registry registry = registryFactory.getRegistry(url);
        if (RegistryService.class.equals(type)) {
          return proxyFactory.getInvoker((T) registry, type, url);
        }

        // group="a,b" or group="*"
 
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      url = url.setPath(RegistryService.class.getName()).addParameter(Constants.INTERFACE_KEY, RegistryService.class.getName());
      String key = url.toServiceString();
        // 锁定注册中心获取过程，保证注册中心单一实例
        LOCK.lock();
        try {
            Registry registry = REGISTRIES.get(key);
            if (registry != null) {
                return registry;
            }
            registry = createRegistry(url);
            if (registry == null) {
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    };
   
    @Test
    public void testRegistryFactoryCache() throws Exception {
        URL url = URL.valueOf("dubbo://" + NetUtils.getLocalAddress().getHostAddress() + ":2233");
        Registry registry1 = registryFactory.getRegistry(url);
        Registry registry2 = registryFactory.getRegistry(url);
        Assert.assertEquals(registry1, registry2);
    }
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        Assert.assertEquals(registry1, registry2);
    }
   
    @Test
    public void testRegistryFactoryIpCache() throws Exception {
        Registry registry1 = registryFactory.getRegistry(URL.valueOf("dubbo://" + NetUtils.getLocalAddress().getHostName() + ":2233"));
        Registry registry2 = registryFactory.getRegistry(URL.valueOf("dubbo://" + NetUtils.getLocalAddress().getHostAddress() + ":2233"));
        Assert.assertEquals(registry1, registry2);
    }
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        Assert.assertEquals(registry1, registry2);
    }

    @Test
    public void testRegistryFactoryGroupCache() throws Exception {
        Registry registry1 = registryFactory.getRegistry(URL.valueOf("dubbo://" + NetUtils.getLocalHost() + ":2233?group=aaa"));
        Registry registry2 = registryFactory.getRegistry(URL.valueOf("dubbo://" + NetUtils.getLocalHost() + ":2233?group=bbb"));
        Assert.assertNotSame(registry1, registry2);
    }
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    public <T> Exporter<T> export(final Invoker<T> originInvoker) throws RpcException {
        //export invoker
        final ExporterChangeableWrapper<T>  exporter = doLocolExport(originInvoker);
        //registry provider
        Registry registry = doRegister(originInvoker);
        //设置exporter与registry的关系 (for unexport)
        exporter.addRegistry(registry);
        //保证每次export都返回一个新的exporter实例
        return new Exporter<T>() {
            public Invoker<T> getInvoker() {
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     * 注册 provider
     * @param originInvoker
     * @return
     */
    private Registry doRegister(final Invoker<?> originInvoker){
        final Registry registry = getRegistry(originInvoker);
        final URL registedProviderUrl = getRegistedProviderUrl(originInvoker);
        registry.register(registedProviderUrl);
        // 订阅override数据
        // FIXME 提供者订阅时，会影响同一JVM即暴露服务，又引用同一服务的的场景，因为subscribed以服务名为缓存的key，导致订阅信息覆盖。
        registry.subscribe(registedProviderUrl.setProtocol(Constants.PROVIDER_PROTOCOL)
                .addParameters(Constants.CATEGORY_KEY, Constants.CONFIGURATORS_CATEGORY,
                        Constants.CHECK_KEY, String.valueOf(false)), listener);
        return registry;
    }
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        return key;
    }
   
    public <T> Invoker<T> refer(Class<T> type, URL url) throws RpcException {
        url = url.setProtocol(url.getParameter(Constants.REGISTRY_KEY, Constants.DEFAULT_REGISTRY)).removeParameter(Constants.REGISTRY_KEY);
        Registry registry = registryFactory.getRegistry(url);

        // group="a,b" or group="*"
        Map<String, String> qs = StringUtils.parseQueryString(url.getParameterAndDecoded(Constants.REFER_KEY));
        String group = qs.get(Constants.GROUP_KEY);
        if (group != null && group.length() > 0 ) {
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Related Classes of com.alibaba.dubbo.registry.Registry

  • com.alibaba.dubbo.registry.integration.RegistryProtocol
  • com.alibaba.dubbo.registry.pages.RegisteredPageHandler
  • com.alibaba.dubbo.registry.pages.SubscribedPageHandler
  • com.alibaba.dubbo.registry.support.AbstractRegistryFactory
  • com.alibaba.dubbo.registry.support.AbstractRegistryFactoryTest
  • com.alibaba.dubbo.registry.support.RegistryProtocol
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