Simon Gruber
39 lines
966 B
C#
39 lines
966 B
C#
using Lookup.Memory;
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namespace Lookup.IO;
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/// <summary>
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/// <see cref="Interface.ILookup{TKey,TValue}"/>
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/// implementation, which stores data in <see cref="ICollection{T}"/>s.
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/// Supports writing the stored data to a file.
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/// </summary>
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/// <typeparam name="TKey">Type of the key referencing the <typeparamref name="TValue"/>s</typeparam>
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/// <typeparam name="TValue">Type of the stored values, referenced by <typeparamref name="TKey"/></typeparam>
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public class FileLookup<TKey, TValue> : MemoryLookup<TKey, TValue>
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{
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public string Path { get; set; }
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public FileLookup(string path)
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{
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Path = path;
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}
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public void Save()
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{
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using var writer = new StreamWriter(System.IO.File.Create(Path));
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foreach (var kv in this)
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{
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writer.WriteLine($"{kv.Key};{string.Join(',', kv.Value)}");
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}
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}
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public new void Clear()
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{
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base.Clear();
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if (System.IO.File.Exists(Path))
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{
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System.IO.File.Delete(Path);
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}
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}
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} |