content: /*
   * 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 com.datastax.oss.driver.internal.core.metadata;
  
  import com.datastax.oss.driver.api.core.Version;
  import com.datastax.oss.driver.internal.core.context.InternalDriverContext;
  import com.datastax.oss.driver.shaded.guava.common.collect.ImmutableMap;
  import java.util.Collections;
  import java.util.Objects;
  import net.jcip.annotations.ThreadSafe;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  @ThreadSafe
  abstract class NodesRefresh implements MetadataRefresh {
  
    private static final Logger LOG = LoggerFactory.getLogger(NodesRefresh.class);
  
    /**
     * @return whether the node's token have changed as a result of this operation (unfortunately we
     *     mutate the tokens in-place, so there is no way to check this after the fact).
     */
    protected static boolean copyInfos(
        NodeInfo nodeInfo, DefaultNode node, InternalDriverContext context) {
  
      node.setEndPoint(nodeInfo.getEndPoint(), context);
      node.broadcastRpcAddress = nodeInfo.getBroadcastRpcAddress().orElse(null);
      node.broadcastAddress = nodeInfo.getBroadcastAddress().orElse(null);
      node.listenAddress = nodeInfo.getListenAddress().orElse(null);
      node.datacenter = nodeInfo.getDatacenter();
      node.rack = nodeInfo.getRack();
      node.hostId = Objects.requireNonNull(nodeInfo.getHostId());
      node.schemaVersion = nodeInfo.getSchemaVersion();
      String versionString = nodeInfo.getCassandraVersion();
      try {
        node.cassandraVersion = Version.parse(versionString);
      } catch (IllegalArgumentException e) {
        LOG.warn(
            "[{}] Error converting Cassandra version '{}' for {}",
            context.getSessionName(),
            versionString,
            node.getEndPoint());
      }
      boolean tokensChanged = !node.rawTokens.equals(nodeInfo.getTokens());
      if (tokensChanged) {
        node.rawTokens = nodeInfo.getTokens();
      }
      node.extras =
          (nodeInfo.getExtras() == null)
              ? Collections.emptyMap()
              : ImmutableMap.copyOf(nodeInfo.getExtras());
      return tokensChanged;
    }
  }
  