72 lines
2.0 KiB
C#
72 lines
2.0 KiB
C#
using System;
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using System.Diagnostics.CodeAnalysis;
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namespace IRaCIS.Core.Infrastructure.Extention
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{
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public static class NUllCheckExtension
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{
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[DoesNotReturn]
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public static TEntity IfNullThrowException<TEntity>(this TEntity businessObject) where TEntity : class
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{
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if(businessObject == null)
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{
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throw new QueryBusinessObjectNotExistException($"The query object {typeof(TEntity).Name} does not exist , or was deleted by someone else, or an incorrect parameter query caused");
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}
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else
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{
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return businessObject!;
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}
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}
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[DoesNotReturn]
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public static TEntity IfNullThrowException<TEntity>(this TEntity? businessStruct) where TEntity : struct
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{
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if (businessStruct == null)
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{
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throw new QueryBusinessObjectNotExistException($"The query object {typeof(TEntity).Name} does not exist , or was deleted by someone else, or an incorrect parameter query caused");
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}
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else
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{
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return (TEntity)businessStruct;
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}
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}
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[DoesNotReturn]
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public static TEntity IfNullThrowConvertException<TEntity>(this TEntity businessObject) where TEntity : class
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{
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if (businessObject == null)
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{
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throw new QueryBusinessObjectNotExistException($" Can not Convert to {typeof(TEntity).Name} Type, Please check parameter");
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}
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else
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{
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return businessObject!;
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}
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}
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}
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public class QueryBusinessObjectNotExistException : Exception
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{
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public QueryBusinessObjectNotExistException()
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{
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}
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public QueryBusinessObjectNotExistException(string message) : base(message)
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{
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}
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}
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public class ConversionException : Exception
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{
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public ConversionException(string message) : base(message)
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{
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}
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}
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}
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