org.apache.flink.runtime.query.KvStateServerAddress Maven / Gradle / Ivy
/*
* 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.flink.runtime.query;
import org.apache.flink.runtime.query.netty.KvStateServer;
import org.apache.flink.util.Preconditions;
import java.io.Serializable;
import java.net.InetAddress;
/**
* The (host, port)-address of a {@link KvStateServer}.
*/
public class KvStateServerAddress implements Serializable {
private static final long serialVersionUID = 1L;
/** KvStateServer host address. */
private final InetAddress hostAddress;
/** KvStateServer port. */
private final int port;
/**
* Creates a KvStateServerAddress for the given KvStateServer host address
* and port.
*
* @param hostAddress KvStateServer host address
* @param port KvStateServer port
*/
public KvStateServerAddress(InetAddress hostAddress, int port) {
this.hostAddress = Preconditions.checkNotNull(hostAddress, "Host address");
Preconditions.checkArgument(port > 0 && port <= 65535, "Port " + port + " is out of range 1-65535");
this.port = port;
}
/**
* Returns the host address of the KvStateServer.
*
* @return KvStateServer host address
*/
public InetAddress getHost() {
return hostAddress;
}
/**
* Returns the port of the KvStateServer.
*
* @return KvStateServer port
*/
public int getPort() {
return port;
}
@Override
public boolean equals(Object o) {
if (this == o) { return true; }
if (o == null || getClass() != o.getClass()) { return false; }
KvStateServerAddress that = (KvStateServerAddress) o;
return port == that.port && hostAddress.equals(that.hostAddress);
}
@Override
public int hashCode() {
int result = hostAddress.hashCode();
result = 31 * result + port;
return result;
}
}