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45 lines
1.6 KiB
C#
45 lines
1.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Runtime.Serialization;
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using MLEM.Misc;
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using Newtonsoft.Json;
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namespace MLEM.Data.Json {
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/// <summary>
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/// An <see cref="IGenericDataHolder"/> represents an object that can hold generic key-value based data.
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/// This class uses <see cref="JsonTypeSafeWrapper"/> for each object stored to ensure that objects with a custom <see cref="JsonConverter"/> get deserialized as an instance of their original type if <see cref="JsonSerializer.TypeNameHandling"/> is not set to <see cref="TypeNameHandling.None"/>.
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/// </summary>
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[DataContract]
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public class JsonTypeSafeGenericDataHolder : IGenericDataHolder {
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[DataMember(EmitDefaultValue = false)]
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private Dictionary<string, JsonTypeSafeWrapper> data;
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/// <inheritdoc />
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public void SetData(string key, object data) {
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if (data == default) {
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if (this.data != null)
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this.data.Remove(key);
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} else {
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if (this.data == null)
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this.data = new Dictionary<string, JsonTypeSafeWrapper>();
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this.data[key] = JsonTypeSafeWrapper.Of(data);
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}
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}
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/// <inheritdoc />
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public T GetData<T>(string key) {
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if (this.data != null && this.data.TryGetValue(key, out var val))
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return (T) val.Value;
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return default;
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}
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/// <inheritdoc />
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public IReadOnlyCollection<string> GetDataKeys() {
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if (this.data == null)
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return Array.Empty<string>();
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return this.data.Keys;
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}
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}
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}
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