org.apache.bookkeeper.common.resolver.StaticNameResolver 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 org.apache.bookkeeper.common.resolver;
import com.google.common.collect.Lists;
import io.grpc.Attributes;
import io.grpc.EquivalentAddressGroup;
import java.net.InetSocketAddress;
import java.net.URI;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.stream.Collectors;
import org.apache.bookkeeper.common.util.SharedResourceManager.Resource;
/**
* A simple name resolver that returns pre-configured host addresses.
*/
public class StaticNameResolver extends AbstractNameResolver {
private final List servers;
public StaticNameResolver(String name,
Resource executorResource,
List endpoints) {
super(name, executorResource);
this.servers = Collections.unmodifiableList(
endpoints.stream()
.map(endpoint -> new EquivalentAddressGroup(
Lists.newArrayList(new InetSocketAddress(endpoint.getHost(), endpoint.getPort())),
Attributes.EMPTY))
.collect(Collectors.toList()));
}
@Override
public List getServers() {
return servers;
}
}