public AbstractMemoryCachedDao(IMemoryCachePlugin memoryCache) {
			this.memoryCache = memoryCache;
		}
		public JourneyMemoryCachedDao(IJourneyDao dao, IMemoryCachePlugin memoryCache)
			: base(memoryCache) {
			this.dao = dao;
		}
		public LocationMemoryCachedDao(ILocationDao dao, IMemoryCachePlugin memoryCache)
			: base(memoryCache) {
			this.dao = dao;
		}