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2013-10-02T17:14:12.833
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2013-10-02T17:14:12.833
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<p>Try to move Nullables and comparison stuff to GenPrompt:</p> <pre><code>public static class Constants { public const string U_GOI_FORMAT_OPTION_MONEY = ""; public const string U_GOI_FORMAT_OPTION_NUMBER = ""; } /// <summary> /// abstracted Generic Prompt Base /// </summary> public abstract class GenPromptBase { public string InputValueType { get; set; } public abstract bool TooLow { get; } public abstract void ParseInput(string result); } /// <summary> /// Derived Generic 'Money' class of 'GenPromptBase' /// </summary> public class GenPromptMoney : GenPromptBase { PromptMoney _prmpt; public GenPromptMoney(PromptMoney prmptParms) { _prmpt = prmptParms; InputValueType = _prmpt.InputValueType; } public override void ParseInput(string result) { _prmpt.ResultValue = decimal.Parse(result); } public override bool TooLow { get { return _prmpt.TooLow; } } } /// <summary> /// Derived Generic 'Value' class of 'GenPromptBase' /// </summary> public class GenPromptValue : GenPromptBase { PromptValue _prmpt; public GenPromptValue(PromptValue prmptParms) { _prmpt = prmptParms; InputValueType = _prmpt.InputValueType; } public override void ParseInput(string result) { _prmpt.ResultValue = int.Parse(result); } public override bool TooLow { get { return _prmpt.TooLow; } } } /// <summary> /// Generic Prompt Class /// </summary> public class GenPrompt<Z> where Z: struct, IComparable { public string InputValueType { get; set; } public Z? MinValue; public Z? ResultValue; public Z? MaxValue; public bool TooLow { get { return this.MinValue.HasValue && (this.MinValue.Value.CompareTo(this.ResultValue.Value) >= 0); } } } /// <summary> /// Derived 'Money' class of 'GenPrompt« decimal? »' /// </summary> public class PromptMoney : GenPrompt<decimal> { public PromptMoney( decimal? minValue = null, decimal? maxValue = null, string inputValueType = Constants.U_GOI_FORMAT_OPTION_MONEY) { InputValueType = inputValueType; MinValue = minValue; MaxValue = maxValue; ResultValue = null; } } /// <summary> /// Derived 'Value' class of 'GenPrompt« int? »' /// </summary> public class PromptValue : GenPrompt<int> { public PromptValue( int? minValue = null, int? maxValue = null, string inputValueType = Constants.U_GOI_FORMAT_OPTION_NUMBER) { InputValueType = inputValueType; MinValue = minValue; MaxValue = maxValue; ResultValue = null; } } </code></pre>
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1. POHow to extract common override 'TooLow' getter code to a single 'template' getter? Generics? Overload '<'?
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1. USPashaPash
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1. POHow to extract common override 'TooLow' getter code to a single 'template' getter? Generics? Overload '<'?
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1. COAn A+ answer! Thank you, PashaPash! Please see 2nd answer below with PashaPash's solution deployed... Note: I didn't understand that when calling `DisplayPromptForValue()` `<T>` doesn't need to be specified.
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