JGroupsServerLocatorSchema.java

/*
 * 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.
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package org.apache.activemq.artemis.uri.schema.serverLocator;

import java.io.NotSerializableException;
import java.net.URI;
import java.util.Map;

import org.apache.activemq.artemis.api.core.BroadcastEndpointFactory;
import org.apache.activemq.artemis.api.core.DiscoveryGroupConfiguration;
import org.apache.activemq.artemis.api.core.JGroupsFileBroadcastEndpointFactory;
import org.apache.activemq.artemis.api.core.JGroupsPropertiesBroadcastEndpointFactory;
import org.apache.activemq.artemis.api.core.client.ActiveMQClient;
import org.apache.activemq.artemis.api.core.client.ServerLocator;
import org.apache.activemq.artemis.utils.uri.BeanSupport;
import org.apache.activemq.artemis.utils.uri.SchemaConstants;

public class JGroupsServerLocatorSchema extends AbstractServerLocatorSchema {

   @Override
   public String getSchemaName() {
      return SchemaConstants.JGROUPS;
   }

   @Override
   protected ServerLocator internalNewObject(URI uri, Map<String, String> query, String name) throws Exception {
      ConnectionOptions options = newConnectionOptions(uri, query);

      DiscoveryGroupConfiguration dcConfig = getDiscoveryGroupConfiguration(uri, query, name);

      if (options.isHa()) {
         return ActiveMQClient.createServerLocatorWithHA(dcConfig);
      } else {
         return ActiveMQClient.createServerLocatorWithoutHA(dcConfig);
      }
   }

   @Override
   protected URI internalNewURI(ServerLocator bean) throws Exception {
      DiscoveryGroupConfiguration dgc = bean.getDiscoveryGroupConfiguration();
      BroadcastEndpointFactory endpoint = dgc.getBroadcastEndpointFactory();
      String auth;
      if (endpoint instanceof JGroupsFileBroadcastEndpointFactory) {
         auth = ((JGroupsFileBroadcastEndpointFactory) endpoint).getChannelName();
      } else if (endpoint instanceof JGroupsPropertiesBroadcastEndpointFactory) {
         auth = ((JGroupsPropertiesBroadcastEndpointFactory) endpoint).getChannelName();
      } else {
         throw new NotSerializableException(endpoint + "not serializable");
      }
      String query = BeanSupport.getData(null, bean, dgc, endpoint);
      dgc.setBroadcastEndpointFactory(endpoint);
      return new URI(SchemaConstants.JGROUPS, null, auth, -1, null, query, null);
   }

   public static DiscoveryGroupConfiguration getDiscoveryGroupConfiguration(URI uri,
                                                                            Map<String, String> query,
                                                                            String name) throws Exception {
      BroadcastEndpointFactory endpointFactory;
      if (query.containsKey("file")) {
         endpointFactory = new JGroupsFileBroadcastEndpointFactory().setChannelName(uri.getAuthority());
      } else {
         endpointFactory = new JGroupsPropertiesBroadcastEndpointFactory().setChannelName(uri.getAuthority());
      }

      BeanSupport.setData(uri, endpointFactory, query);

      DiscoveryGroupConfiguration dcConfig = new DiscoveryGroupConfiguration().setName(name).setBroadcastEndpointFactory(endpointFactory);

      BeanSupport.setData(uri, dcConfig, query);
      return dcConfig;
   }
}