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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.dubbo.registry.dubbo;
import org.apache.dubbo.common.URL;
import org.apache.dubbo.common.URLBuilder;
import org.apache.dubbo.common.bytecode.Wrapper;
import org.apache.dubbo.common.utils.NetUtils;
import org.apache.dubbo.common.utils.StringUtils;
import org.apache.dubbo.registry.Registry;
import org.apache.dubbo.registry.RegistryService;
import org.apache.dubbo.registry.integration.RegistryDirectory;
import org.apache.dubbo.registry.support.AbstractRegistryFactory;
import org.apache.dubbo.rpc.Invoker;
import org.apache.dubbo.rpc.Protocol;
import org.apache.dubbo.rpc.ProxyFactory;
import org.apache.dubbo.rpc.cluster.Cluster;
import org.apache.dubbo.rpc.cluster.RouterChain;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import static org.apache.dubbo.common.constants.CommonConstants.CALLBACK_INSTANCES_LIMIT_KEY;
import static org.apache.dubbo.common.constants.CommonConstants.COMMA_SPLIT_PATTERN;
import static org.apache.dubbo.common.constants.CommonConstants.INTERFACE_KEY;
import static org.apache.dubbo.common.constants.CommonConstants.LAZY_CONNECT_KEY;
import static org.apache.dubbo.common.constants.CommonConstants.METHODS_KEY;
import static org.apache.dubbo.common.constants.CommonConstants.TIMEOUT_KEY;
import static org.apache.dubbo.common.constants.RemotingConstants.BACKUP_KEY;
import static org.apache.dubbo.registry.Constants.CONSUMER_PROTOCOL;
import static org.apache.dubbo.remoting.Constants.CONNECT_TIMEOUT_KEY;
import static org.apache.dubbo.remoting.Constants.RECONNECT_KEY;
import static org.apache.dubbo.rpc.cluster.Constants.CLUSTER_STICKY_KEY;
import static org.apache.dubbo.rpc.cluster.Constants.EXPORT_KEY;
import static org.apache.dubbo.rpc.cluster.Constants.REFER_KEY;
/**
* DubboRegistryFactory
*
*/
public class DubboRegistryFactory extends AbstractRegistryFactory {
private Protocol protocol;
private ProxyFactory proxyFactory;
private Cluster cluster;
private static URL getRegistryURL(URL url) {
return URLBuilder.from(url)
.setPath(RegistryService.class.getName())
.removeParameter(EXPORT_KEY).removeParameter(REFER_KEY)
.addParameter(INTERFACE_KEY, RegistryService.class.getName())
.addParameter(CLUSTER_STICKY_KEY, "true")
.addParameter(LAZY_CONNECT_KEY, "true")
.addParameter(RECONNECT_KEY, "false")
.addParameterIfAbsent(TIMEOUT_KEY, "10000")
.addParameterIfAbsent(CALLBACK_INSTANCES_LIMIT_KEY, "10000")
.addParameterIfAbsent(CONNECT_TIMEOUT_KEY, "10000")
.addParameter(METHODS_KEY, StringUtils.join(new HashSet<>(Arrays.asList(Wrapper.getWrapper(RegistryService.class).getDeclaredMethodNames())), ","))
//.addParameter(Constants.STUB_KEY, RegistryServiceStub.class.getName())
//.addParameter(Constants.STUB_EVENT_KEY, Boolean.TRUE.toString()) //for event dispatch
//.addParameter(Constants.ON_DISCONNECT_KEY, "disconnect")
.addParameter("subscribe.1.callback", "true")
.addParameter("unsubscribe.1.callback", "false")
.build();
}
public void setProtocol(Protocol protocol) {
this.protocol = protocol;
}
public void setProxyFactory(ProxyFactory proxyFactory) {
this.proxyFactory = proxyFactory;
}
public void setCluster(Cluster cluster) {
this.cluster = cluster;
}
@Override
public Registry createRegistry(URL url) {
url = getRegistryURL(url);
List urls = new ArrayList<>();
urls.add(url.removeParameter(BACKUP_KEY));
String backup = url.getParameter(BACKUP_KEY);
if (backup != null && backup.length() > 0) {
String[] addresses = COMMA_SPLIT_PATTERN.split(backup);
for (String address : addresses) {
urls.add(url.setAddress(address));
}
}
RegistryDirectory directory = new RegistryDirectory<>(RegistryService.class, url.addParameter(INTERFACE_KEY, RegistryService.class.getName()).addParameterAndEncoded(REFER_KEY, url.toParameterString()));
Invoker registryInvoker = cluster.join(directory);
RegistryService registryService = proxyFactory.getProxy(registryInvoker);
DubboRegistry registry = new DubboRegistry(registryInvoker, registryService);
directory.setRegistry(registry);
directory.setProtocol(protocol);
directory.setRouterChain(RouterChain.buildChain(url));
directory.notify(urls);
directory.subscribe(new URL(CONSUMER_PROTOCOL, NetUtils.getLocalHost(), 0, RegistryService.class.getName(), url.getParameters()));
return registry;
}
}