content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * Licensed 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 com.alibaba.nacos.istio.common;
  
  import com.alibaba.nacos.istio.misc.IstioConfig;
  import com.alibaba.nacos.istio.model.IstioService;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.stereotype.Component;
  
  import java.util.Map;
  
  /**
   * @author special.fy
   */
  @Component
  public class NacosResourceManager {
  
      private ResourceSnapshot resourceSnapshot;
  
      @Autowired
      NacosServiceInfoResourceWatcher serviceInfoResourceWatcher;
  
      @Autowired
      private IstioConfig istioConfig;
  
      public NacosResourceManager() {
          resourceSnapshot = new ResourceSnapshot(istioConfig);
      }
  
      public Map<String, IstioService> services() {
          return serviceInfoResourceWatcher.snapshot();
      }
  
      public IstioConfig getIstioConfig() {
          return istioConfig;
      }
  
      public synchronized ResourceSnapshot getResourceSnapshot() {
          return resourceSnapshot;
      }
  
      public synchronized void setResourceSnapshot(ResourceSnapshot resourceSnapshot) {
          this.resourceSnapshot = resourceSnapshot;
      }
  
      public void initResourceSnapshot() {
          ResourceSnapshot resourceSnapshot = getResourceSnapshot();
          resourceSnapshot.initResourceSnapshot(this);
      }
      
      public ResourceSnapshot createResourceSnapshot() {
          ResourceSnapshot resourceSnapshot = new ResourceSnapshot(istioConfig);
          resourceSnapshot.initResourceSnapshot(this);
          setResourceSnapshot(resourceSnapshot);
          return resourceSnapshot;
      }
  }
  