1 | using System;
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2 | using System.Collections.Generic;
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3 | using System.Linq;
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4 | using System.Text;
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5 | using System.Threading.Tasks;
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6 | using HeuristicLab.Core;
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7 | using HeuristicLab.Data;
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8 | using Newtonsoft.Json.Linq;
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9 |
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10 | namespace HeuristicLab.JsonInterface {
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11 | public abstract class BaseConverter : IJsonItemConverter
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12 | {
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13 | public void Inject(IItem item, JsonItem data) {
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14 | if (data.Reference != null) {
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15 | JsonItem.Merge(data, data.Reference);
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16 | }
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17 | InjectData(item, data);
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18 | }
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19 |
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20 | public JsonItem Extract(IItem value) {
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21 | JsonItem data = ExtractData(value);
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22 | data.Name = String.IsNullOrEmpty(data.Name) ? value.ItemName : data.Name;
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23 | return data;
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24 | }
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25 |
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26 | public abstract void InjectData(IItem item, JsonItem data);
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27 | public abstract JsonItem ExtractData(IItem value);
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28 |
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29 | #region Helper
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30 | protected ValueType CastValue<ValueType>(object obj) {
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31 | if (obj is JToken)
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32 | return (obj.Cast<JToken>()).ToObject<ValueType>();
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33 | else if (obj is IConvertible)
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34 | return Convert.ChangeType(obj, typeof(ValueType)).Cast<ValueType>();
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35 | else return (ValueType)obj;
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36 | }
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37 |
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38 | protected IItem Instantiate(Type type, params object[] args) =>
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39 | (IItem)Activator.CreateInstance(type,args);
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40 |
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41 | protected T Instantiate<T>(params object[] args) => (T)Instantiate(typeof(T), args);
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42 |
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43 | protected object GetMaxValue(Type t) {
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44 | TypeCode typeCode = Type.GetTypeCode(t);
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45 |
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46 | if (typeof(ValueType).IsEqualTo(typeof(PercentValue)))
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47 | return 1.0d;
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48 |
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49 | switch (typeCode) {
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50 | case TypeCode.Int16: return Int16.MaxValue;
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51 | case TypeCode.Int32: return Int32.MaxValue;
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52 | case TypeCode.Int64: return Int64.MaxValue;
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53 | case TypeCode.UInt16: return UInt16.MaxValue;
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54 | case TypeCode.UInt32: return UInt32.MaxValue;
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55 | case TypeCode.UInt64: return UInt64.MaxValue;
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56 | case TypeCode.Single: return Single.MaxValue;
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57 | case TypeCode.Double: return Double.MaxValue;
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58 | case TypeCode.Decimal: return Decimal.MaxValue;
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59 | case TypeCode.Byte: return Byte.MaxValue;
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60 | case TypeCode.Boolean: return true;
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61 | default: return GetDefaultValue(t);
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62 | }
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63 | }
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64 |
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65 | protected object GetMinValue(Type t) {
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66 | TypeCode typeCode = Type.GetTypeCode(t);
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67 |
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68 | if (typeof(ValueType).IsEqualTo(typeof(PercentValue)))
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69 | return 0.0d;
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70 |
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71 | switch (typeCode) {
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72 | case TypeCode.Int16: return Int16.MinValue;
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73 | case TypeCode.Int32: return Int32.MinValue;
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74 | case TypeCode.Int64: return Int64.MinValue;
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75 | case TypeCode.UInt16: return UInt16.MinValue;
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76 | case TypeCode.UInt32: return UInt32.MinValue;
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77 | case TypeCode.UInt64: return UInt64.MinValue;
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78 | case TypeCode.Single: return Single.MinValue;
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79 | case TypeCode.Double: return Double.MinValue;
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80 | case TypeCode.Decimal: return Decimal.MinValue;
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81 | case TypeCode.Byte: return Byte.MinValue;
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82 | case TypeCode.Boolean: return false;
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83 | default: return GetDefaultValue(t);
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84 | }
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85 | }
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86 |
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87 | protected object GetDefaultValue(Type t) => t.IsValueType ? Activator.CreateInstance(t) : null;
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88 | #endregion
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89 | }
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90 | }
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