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Cassandra support for Spring Data
/*
* Copyright 2013-2020 the original author or authors.
*
* Licensed 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
*
* https://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.springframework.data.cassandra.core.cql;
import java.io.Serializable;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import org.springframework.util.Assert;
import com.datastax.oss.driver.api.core.metadata.Node;
/**
* Domain object representing a Cassandra host.
*
* @author David Webb
* @author Mark Paluch
*/
public final class RingMember implements Serializable {
private static final long serialVersionUID = -2582309141903132916L;
/*
* Ring attributes
*/
private final String hostName;
private final String address;
private final String dc;
private final String rack;
/**
* Creates a new {@link RingMember} given {@link Host}.
*
* @param host
* @return
*/
public static RingMember from(Node host) {
return new RingMember(host);
}
private RingMember(Node host) {
Assert.notNull(host, "Host must not be null");
this.hostName = host.getListenAddress().map(InetSocketAddress::getHostName).orElse("unknown");
this.address = host.getListenAddress().map(InetSocketAddress::getAddress).map(InetAddress::getHostAddress)
.orElse("unknown");
this.dc = host.getDatacenter();
this.rack = host.getRack();
}
public String getHostName() {
return hostName;
}
public String getAddress() {
return address;
}
public String getDataCenter() {
return dc;
}
public String getRack() {
return rack;
}
}