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fix(DynamoDBv2): check for properties marked required when loading objects via DynamoDBContext #3277

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fix(DynamoDBv2): check for properties marked required when loading objects via DynamoDBContext #3277

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12 changes: 12 additions & 0 deletions sdk/src/Services/DynamoDBv2/Custom/DataModel/ContextInternal.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@
using System.Linq;
using System.IO;
using System.Reflection;
using System.Runtime.CompilerServices;

using Amazon.DynamoDBv2.DocumentModel;
using Amazon.DynamoDBv2.Model;
Expand Down Expand Up @@ -388,6 +389,11 @@ private void PopulateInstance(ItemStorage storage, object instance, DynamoDBFlat
if (propertyStorage.IsVersion)
storage.CurrentVersion = entry as Primitive;
}
#if NET7_0_OR_GREATER
else if (Attribute.IsDefined(propertyStorage.Member, typeof(RequiredMemberAttribute))) {
throw new InvalidOperationException("Unable to retrieve value from " + attributeName);
}
#endif
}
}
}
Expand Down Expand Up @@ -785,6 +791,12 @@ private Document SerializeToDocument(object value, Type type, DynamoDBFlatConfig
// Get/Set object properties
private static bool TrySetValue(object instance, MemberInfo member, object value)
{
#if NET7_0_OR_GREATER
if (Attribute.IsDefined(member, typeof(RequiredMemberAttribute)) && value == null) {
return false;
}
#endif

FieldInfo fieldInfo = member as FieldInfo;
PropertyInfo propertyInfo = member as PropertyInfo;

Expand Down