| /* |
| * 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.shenyu.plugin.springcloud.cache; |
| |
| import com.google.common.collect.Maps; |
| import org.apache.commons.lang3.StringUtils; |
| import org.springframework.cloud.client.ServiceInstance; |
| |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Optional; |
| |
| public class ServiceInstanceCache { |
| |
| private static final Map<String, List<ServiceInstance>> SERVICE_INSTANCE_MAP = Maps.newConcurrentMap(); |
| |
| /** |
| * Cache service instance. |
| * |
| * @param serviceId service id |
| * @param serviceInstances service instance list |
| */ |
| public static void cacheServiceInstance(final String serviceId, final List<ServiceInstance> serviceInstances) { |
| if (StringUtils.isNotBlank(serviceId)) { |
| SERVICE_INSTANCE_MAP.put(serviceId, Optional.ofNullable(serviceInstances).orElse(Collections.emptyList())); |
| } |
| } |
| |
| /** |
| * Remove service instance. |
| * @param serviceId service id |
| * @return the list of {@linkplain ServiceInstance} |
| */ |
| public static List<ServiceInstance> getServiceInstance(final String serviceId) { |
| if (StringUtils.isBlank(serviceId)) { |
| return Collections.emptyList(); |
| } |
| return SERVICE_INSTANCE_MAP.get(serviceId); |
| } |
| |
| /** |
| * Remove service instance. |
| * |
| * @param serviceId service id |
| */ |
| public static void removeServiceInstance(final String serviceId) { |
| if (StringUtils.isBlank(serviceId)) { |
| return; |
| } |
| SERVICE_INSTANCE_MAP.remove(serviceId); |
| } |
| } |