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[2.7] Fix Nacos aggregate listen (apache#10467)
* [2.7] Fix Nacos aggregate listen * fix empty * rename
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...-registry-nacos/src/main/java/org/apache/dubbo/registry/nacos/NacosAggregateListener.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.dubbo.registry.nacos; | ||
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| import org.apache.dubbo.common.utils.ConcurrentHashSet; | ||
| import org.apache.dubbo.registry.NotifyListener; | ||
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| import com.alibaba.nacos.api.naming.pojo.Instance; | ||
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| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.Objects; | ||
| import java.util.Set; | ||
| import java.util.concurrent.ConcurrentHashMap; | ||
| import java.util.stream.Collectors; | ||
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| public class NacosAggregateListener { | ||
| private final NotifyListener notifyListener; | ||
| private final Set<String> serviceNames = new ConcurrentHashSet<>(); | ||
| private final Map<String, List<Instance>> serviceInstances = new ConcurrentHashMap<>(); | ||
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| public NacosAggregateListener(NotifyListener notifyListener) { | ||
| this.notifyListener = notifyListener; | ||
| } | ||
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| public List<Instance> saveAndAggregateAllInstances(String serviceName, List<Instance> instances) { | ||
| serviceNames.add(serviceName); | ||
| serviceInstances.put(serviceName, instances); | ||
| return serviceInstances.values().stream().flatMap(List::stream).collect(Collectors.toList()); | ||
| } | ||
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| public NotifyListener getNotifyListener() { | ||
| return notifyListener; | ||
| } | ||
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| public Set<String> getServiceNames() { | ||
| return serviceNames; | ||
| } | ||
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| @Override | ||
| public boolean equals(Object o) { | ||
| if (this == o) { | ||
| return true; | ||
| } | ||
| if (o == null || getClass() != o.getClass()) { | ||
| return false; | ||
| } | ||
| NacosAggregateListener that = (NacosAggregateListener) o; | ||
| return Objects.equals(notifyListener, that.notifyListener) && Objects.equals(serviceNames, that.serviceNames) && Objects.equals(serviceInstances, that.serviceInstances); | ||
| } | ||
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| @Override | ||
| public int hashCode() { | ||
| return Objects.hash(notifyListener, serviceNames, serviceInstances); | ||
| } | ||
| } |
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