package com.atlassian.vcache;
   
   /**
    * Sample usage of a RequestCache.
    */
   public class RequestSample {
       private final RequestCache<String, Long> cache;
   
       public RequestSample(VCacheFactory factory) {
          this.cache = factory.getRequestCache("magic.name");
      }
  
      public Long getId(String key) {
          return cache.get(key, () -> -1L);
      }
  
      public void setId(String key, Long id) {
          cache.put(key, id);
      }
  }