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Use pattern matching in PayloadHelper.cs to improve readability #1003

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Use pattern matching in PayloadHelper.cs to improve readability #1003

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1a059d5
Use pattern matching in PayloadHelper.cs to improve readability
sneznaj Dec 2, 2021
9a39771
remove unreachable break command
sneznaj Dec 8, 2021
ecc5eca
Merge branch 'main' into main
AFFogarty Dec 9, 2022
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48 changes: 10 additions & 38 deletions src/csharp/Microsoft.Spark/Interop/Ipc/PayloadHelper.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -323,15 +323,6 @@ internal static byte[] GetTypeId(Type type)
case TypeCode.Double:
return s_doubleTypeId;
case TypeCode.Object:
if (typeof(IJvmObjectReferenceProvider).IsAssignableFrom(type))
{
return s_jvmObjectTypeId;
}

if (type == typeof(byte[]))
{
return s_byteArrayTypeId;
}

if (type == typeof(int[]) ||
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Shouldn't this be included in the switch expression ?

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this is a super long logical expression that would not fit well into that format
Screenshot 2021-12-08 at 01 28 40

type == typeof(long[]) ||
Expand All @@ -343,36 +334,17 @@ internal static byte[] GetTypeId(Type type)
return s_arrayTypeId;
}

if (IsDictionary(type))
{
return s_dictionaryTypeId;
}

if (typeof(IEnumerable<IJvmObjectReferenceProvider>).IsAssignableFrom(type))
{
return s_arrayTypeId;
}

if (typeof(IEnumerable<GenericRow>).IsAssignableFrom(type))
{
return s_rowArrTypeId;
}

if (typeof(IEnumerable<object>).IsAssignableFrom(type))
return type switch
{
return s_objectArrTypeId;
}

if (typeof(Date).IsAssignableFrom(type))
{
return s_dateTypeId;
}

if (typeof(Timestamp).IsAssignableFrom(type))
{
return s_timestampTypeId;
}
break;
_ when typeof(IJvmObjectReferenceProvider).IsAssignableFrom(type) => s_jvmObjectTypeId,
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I think some of these lines are too long. Can you check https://github.com/dotnet/spark/blob/main/docs/coding-guidelines/csharp-coding-style.md ?

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it is exactly at the limit
Screenshot 2021-12-08 at 01 23 42

_ when type == typeof(byte[]) => s_byteArrayTypeId,
_ when IsDictionary(type) => s_dictionaryTypeId,
_ when typeof(IEnumerable<IJvmObjectReferenceProvider>).IsAssignableFrom(type) => s_arrayTypeId,
_ when typeof(IEnumerable<GenericRow>).IsAssignableFrom(type) => s_rowArrTypeId,
_ when typeof(IEnumerable<object>).IsAssignableFrom(type) => s_objectArrTypeId,
_ when typeof(Date).IsAssignableFrom(type) => s_dateTypeId,
_ when typeof(Timestamp).IsAssignableFrom(type) => s_timestampTypeId,
};
}

// TODO: Support other types.
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