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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,122 @@ | ||
| namespace Fluxera.DomainEvents.Abstractions | ||
| { | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Numerics; | ||
| using System.Runtime.CompilerServices; | ||
| using JetBrains.Annotations; | ||
|
|
||
| internal static class Guard | ||
| { | ||
| public static T ThrowIfNull<T>(T argument, [InvokerParameterName] [CallerArgumentExpression(nameof(argument))] string parameterName = null) | ||
| { | ||
| ArgumentNullException.ThrowIfNull(argument, parameterName); | ||
|
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| return argument; | ||
| } | ||
|
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| public static string ThrowIfNullOrEmpty(string argument, [InvokerParameterName][CallerArgumentExpression(nameof(argument))] string parameterName = null) | ||
| { | ||
| argument = ThrowIfNull(argument, parameterName); | ||
|
|
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| if(string.IsNullOrEmpty(argument)) | ||
| { | ||
| throw new ArgumentException("Value cannot be empty.", parameterName); | ||
| } | ||
|
|
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| return argument; | ||
| } | ||
|
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| public static string ThrowIfNullOrWhiteSpace(string argument, [InvokerParameterName][CallerArgumentExpression("argument")] string parameterName = null) | ||
| { | ||
| argument = ThrowIfNull(argument, parameterName); | ||
|
|
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| if(string.IsNullOrWhiteSpace(argument)) | ||
| { | ||
| throw new ArgumentException("Value cannot be whitespace-only.", parameterName); | ||
| } | ||
|
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| return argument; | ||
| } | ||
|
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| public static bool ThrowIfFalse(bool argument, [InvokerParameterName][CallerArgumentExpression(nameof(argument))] string parameterName = null, string message = null) | ||
| { | ||
| if(!argument) | ||
| { | ||
| throw new ArgumentException(message ?? "Value cannot be false.", parameterName); | ||
| } | ||
|
|
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| return true; | ||
| } | ||
|
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| public static IEnumerable<T> ThrowIfNullOrEmpty<T>(IEnumerable<T> argument, [InvokerParameterName][CallerArgumentExpression(nameof(argument))] string parameterName = null) | ||
| { | ||
| argument = ThrowIfNull(argument, parameterName); | ||
|
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| // ReSharper disable PossibleMultipleEnumeration | ||
| if(!argument.Any()) | ||
| { | ||
| throw new ArgumentException("Enumerable cannot be empty.", parameterName); | ||
| } | ||
|
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| return argument; | ||
| // ReSharper enable PossibleMultipleEnumeration | ||
| } | ||
|
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| #if NET7_0_OR_GREATER | ||
| public static T ThrowIfNegative<T>(T argument, [InvokerParameterName] [CallerArgumentExpression(nameof(argument))] string parameterName = null) | ||
| where T : INumber<T> | ||
| { | ||
| if(T.IsNegative(argument)) | ||
| { | ||
| throw new ArgumentException("Value cannot be negative.", parameterName); | ||
| } | ||
|
|
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| return argument; | ||
| } | ||
| #endif | ||
|
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| #if NET6_0 | ||
| public static byte ThrowIfNegative(byte argument, [InvokerParameterName][CallerArgumentExpression(nameof(argument))] string parameterName = null) | ||
| { | ||
| if(argument < 0) | ||
| { | ||
| throw new ArgumentException("Value cannot be negative.", parameterName); | ||
| } | ||
|
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| return argument; | ||
| } | ||
|
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| public static short ThrowIfNegative(short argument, [InvokerParameterName][CallerArgumentExpression(nameof(argument))] string parameterName = null) | ||
| { | ||
| if(argument < 0) | ||
| { | ||
| throw new ArgumentException("Value cannot be negative.", parameterName); | ||
| } | ||
|
|
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| return argument; | ||
| } | ||
|
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| public static int ThrowIfNegative(int argument, [InvokerParameterName] [CallerArgumentExpression(nameof(argument))] string parameterName = null) | ||
| { | ||
| if(argument < 0) | ||
| { | ||
| throw new ArgumentException("Value cannot be negative.", parameterName); | ||
| } | ||
|
|
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| return argument; | ||
| } | ||
|
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| public static long ThrowIfNegative(long argument, [InvokerParameterName][CallerArgumentExpression(nameof(argument))] string parameterName = null) | ||
| { | ||
| if(argument < 0) | ||
| { | ||
| throw new ArgumentException("Value cannot be negative.", parameterName); | ||
| } | ||
|
|
||
| return argument; | ||
| } | ||
| #endif | ||
| } | ||
| } |
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Learn more about bidirectional Unicode characters
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| #if NET6_0 | ||
| namespace Fluxera.Entity | ||
| { | ||
| using System.Collections.Generic; | ||
| using System.Collections.ObjectModel; | ||
| using System.Linq; | ||
|
|
||
| internal static class EnumerableExtensions | ||
| { | ||
| /// <summary> | ||
| /// Converts the enumerable to a read-only collection. | ||
| /// </summary> | ||
| /// <typeparam name="T">The type of the elements.</typeparam> | ||
| /// <param name="enumerable">The collection to write-protect.</param> | ||
| /// <returns>A write-protected collection.</returns> | ||
| public static IReadOnlyCollection<T> AsReadOnly<T>(this IEnumerable<T> enumerable) | ||
| { | ||
| enumerable = Guard.ThrowIfNull(enumerable); | ||
|
|
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| return new ReadOnlyCollection<T>(enumerable.ToList()); | ||
| } | ||
| } | ||
| } | ||
| #endif |
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