/
AddressChangeHostResolver.java
49 lines (42 loc) · 1.63 KB
/
AddressChangeHostResolver.java
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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 org.apache.kafka.clients;
import java.net.InetAddress;
class AddressChangeHostResolver implements HostResolver {
private boolean useNewAddresses;
private InetAddress[] initialAddresses;
private InetAddress[] newAddresses;
private int resolutionCount = 0;
public AddressChangeHostResolver(InetAddress[] initialAddresses, InetAddress[] newAddresses) {
this.initialAddresses = initialAddresses;
this.newAddresses = newAddresses;
}
@Override
public InetAddress[] resolve(String host) {
++resolutionCount;
return useNewAddresses ? newAddresses : initialAddresses;
}
public void changeAddresses() {
useNewAddresses = true;
}
public boolean useNewAddresses() {
return useNewAddresses;
}
public int resolutionCount() {
return resolutionCount;
}
}