gistfile1.pde

  CacheManager cm = new CacheManager(getCacheConfig(elts, policy, ttl));
  cache = cm.getCache("default");
  // here cache == null;

  private Configuration getCacheConfig(String elements, String policy, String ttl) {
    Configuration configuration = new Configuration();
    CacheConfiguration cfg = new CacheConfiguration();
    cfg.setName("Any name here");
    cfg.setMaxElementsInMemory(Integer.parseInt(elements));
    cfg.setMemoryStoreEvictionPolicy(policy);
    cfg.setTimeToLiveSeconds(Integer.parseInt(ttl));
    cfg.setEternal(false);
    cfg.setOverflowToDisk(false);
    configuration.addCache(cfg);
    configuration.addDefaultCache(cfg);
    return configuration;
  }