org.apache.rocketmq.client.java.rpc.IpNameResolverFactory 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.rocketmq.client.java.rpc;
import org.apache.rocketmq.shaded.io.grpc.EquivalentAddressGroup;
import org.apache.rocketmq.shaded.io.grpc.NameResolver;
import org.apache.rocketmq.shaded.io.grpc.NameResolverProvider;
import java.net.InetSocketAddress;
import java.net.URI;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class IpNameResolverFactory extends NameResolverProvider {
private final List addresses;
private final String serviceAuthority = "IPAuthority";
private NameResolver.Listener2 listener2;
public IpNameResolverFactory(List socketAddresses) {
this.addresses = convertAddresses(socketAddresses);
}
private List convertAddresses(List socketAddresses) {
ArrayList addresses = new ArrayList();
for (InetSocketAddress socketAddress : socketAddresses) {
addresses.add(new EquivalentAddressGroup(socketAddress));
}
Collections.shuffle(addresses);
return addresses;
}
@Override
public NameResolver newNameResolver(URI notUsedUri, NameResolver.Args args) {
return new NameResolver() {
@Override
public String getServiceAuthority() {
return serviceAuthority;
}
@Override
public void start(NameResolver.Listener2 listener2) {
IpNameResolverFactory.this.listener2 = listener2;
listener2.onResult(ResolutionResult.newBuilder().setAddresses(addresses).build());
}
@Override
public void shutdown() {
}
};
}
@Override
public String getDefaultScheme() {
return "IP";
}
@Override
protected boolean isAvailable() {
return true;
}
@Override
protected int priority() {
return 0;
}
}