dubbo DeltaEndpoint 源码

2022-10-20
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dubbo DeltaEndpoint 代码

文件路径：/dubbo-xds/src/main/java/org/apache/dubbo/registry/xds/util/protocol/delta/DeltaEndpoint.java

/*
 * 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.dubbo.registry.xds.util.protocol.delta;

import org.apache.dubbo.common.utils.CollectionUtils;
import org.apache.dubbo.registry.xds.util.protocol.DeltaResource;
import org.apache.dubbo.registry.xds.util.protocol.message.Endpoint;
import org.apache.dubbo.registry.xds.util.protocol.message.EndpointResult;

import java.util.Collection;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.stream.Collectors;

public class DeltaEndpoint implements DeltaResource<EndpointResult> {
    private final Map<String, Set<Endpoint>> data = new ConcurrentHashMap<>();

    public void addResource(String resourceName, Set<Endpoint> endpoints) {
        data.put(resourceName, endpoints);
    }

    public void removeResource(Collection<String> resourceName) {
        if (CollectionUtils.isNotEmpty(resourceName)) {
            resourceName.forEach(data::remove);
        }
    }

    @Override
    public EndpointResult getResource() {
        Set<Endpoint> set = data.values().stream()
            .flatMap(Set::stream)
            .collect(Collectors.toSet());
        return new EndpointResult(set);
    }

}

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所属分类： 后端技术
本文标签： Java
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