57 lines
1.1 KiB
C#
57 lines
1.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Newtonsoft.Json;
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namespace TrainInfomationProviderService.StationInfo.Entities
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{
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public class SameStationCollection : List<HashSet<string>>
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{
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private SameStationCollection()
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{
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}
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public HashSet<string> FindSameStations(string code)
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{
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return this.FirstOrDefault(s => s.Contains(code));
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}
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private static SameStationCollection _instance;
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private static readonly object _lockObject = new object();
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/// <summary>
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/// 获得实例对象
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/// </summary>
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public static SameStationCollection Instance
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{
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get
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{
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if (_instance == null)
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{
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lock (_lockObject)
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{
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if (_instance == null)
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{
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var file = Path.Combine(RunTimeContext.DataStorageRoot, "samestation.json");
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if (File.Exists(file))
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{
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_instance = JsonConvert.DeserializeObject<SameStationCollection>(File.ReadAllText(file));
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}
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else
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{
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_instance = new SameStationCollection();
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}
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}
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}
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}
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return _instance;
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}
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}
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}
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}
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