public void WritePolymorphicObject(DiscriminatorPolicy discriminatorPolicy, string expected)
{
JsonSerializerOptions options = new JsonSerializerOptions();
options.SetupExtensions();
DiscriminatorConventionRegistry registry = options.GetDiscriminatorConventionRegistry();
registry.ClearConventions();
registry.RegisterConvention(new DefaultDiscriminatorConvention <int>(options));
registry.RegisterType <NameObject>();
registry.DiscriminatorPolicy = discriminatorPolicy;
BaseObjectHolder obj = new BaseObjectHolder
{
BaseObject = new NameObject
{
Id = 1,
Name = "foo"
},
NameObject = new NameObject
{
Id = 2,
Name = "bar"
}
};
string actual = JsonSerializer.Serialize(obj, options);
Assert.Equal(expected, actual);
}
public bool ShouldSerialize(object obj, Type declaredType, JsonSerializerOptions options)
{
if (_discriminatorConvention == null)
{
return(false);
}
DiscriminatorPolicy discriminatorPolicy = _discriminatorPolicy != DiscriminatorPolicy.Default ? _discriminatorPolicy
: (options.GetDiscriminatorConventionRegistry().DiscriminatorPolicy != DiscriminatorPolicy.Default ? options.GetDiscriminatorConventionRegistry().DiscriminatorPolicy : DiscriminatorPolicy.Auto);
return(discriminatorPolicy == DiscriminatorPolicy.Always ||
discriminatorPolicy == DiscriminatorPolicy.Auto && obj.GetType() != declaredType);
}
public DiscriminatorMemberConverter(
IDiscriminatorConvention discriminatorConvention,
DiscriminatorPolicy discriminatorPolicy)
{
_discriminatorConvention = discriminatorConvention;
_discriminatorPolicy = discriminatorPolicy;
if (discriminatorConvention != null)
{
ReadOnlySpan <byte> discriminatorMemberName = discriminatorConvention.MemberName;
_memberName = discriminatorMemberName.ToArray();
MemberNameAsString = Encoding.UTF8.GetString(discriminatorMemberName);
}
}
public ObjectMapping <T> SetDiscriminatorPolicy(DiscriminatorPolicy discriminatorPolicy)
{
DiscriminatorPolicy = discriminatorPolicy;
return(this);
}
