content: /*
   *  Copyright (C) 2019 Alpha Jiang. All rights reserved.
   *
   *  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 io.github.alphajiang.hyena.biz.point;
  
  import io.github.alphajiang.hyena.model.exception.HyenaServiceException;
  import io.github.alphajiang.hyena.model.vo.PointVo;
  import java.util.Date;
  import java.util.concurrent.Semaphore;
  import java.util.concurrent.TimeUnit;
  import lombok.Data;
  import lombok.ToString;
  import lombok.ToString.Exclude;
  import lombok.experimental.Accessors;
  
  @Data
  @Accessors(chain = true)
  @ToString
  public class PointCache {
  
      //private Long pid;
      private String key; // type + uid
  
      private PointVo point;
  
  
      private Date updateTime;
  
      @Exclude
      private Semaphore lock = new Semaphore(1);
  
      public void lock() {
          try {
              this.lock.tryAcquire(10, TimeUnit.SECONDS);
          } catch (InterruptedException e) {
              throw new HyenaServiceException("get lock failed", e);
          }
      }
  
      public void unlock() {
          this.lock.release();
      }
  
  
  
  }
  