com.datastax.oss.driver.internal.core.metadata.NodesRefresh Maven / Gradle / Ivy
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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 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;
}
}