aws-sdk-dynamodb 1.120.0

AWS SDK for Amazon DynamoDB
Documentation
// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.
pub fn ser_vector_index(
    object: &mut ::aws_smithy_json::serialize::JsonObjectWriter,
    input: &crate::types::VectorIndex,
) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::SerializationError> {
    {
        object.key("IndexName").string(input.index_name.as_str());
    }
    if let Some(var_1) = &input.vector_attribute {
        #[allow(unused_mut)]
        let mut object_2 = object.key("VectorAttribute").start_object();
        crate::protocol_serde::shape_vector_attribute_definition::ser_vector_attribute_definition(&mut object_2, var_1)?;
        object_2.finish();
    }
    if let Some(var_3) = &input.search_schema {
        let mut array_4 = object.key("SearchSchema").start_array();
        for item_5 in var_3 {
            {
                #[allow(unused_mut)]
                let mut object_6 = array_4.value().start_object();
                crate::protocol_serde::shape_search_schema_element::ser_search_schema_element(&mut object_6, item_5)?;
                object_6.finish();
            }
        }
        array_4.finish();
    }
    if let Some(var_7) = &input.projection {
        #[allow(unused_mut)]
        let mut object_8 = object.key("Projection").start_object();
        crate::protocol_serde::shape_projection::ser_projection(&mut object_8, var_7)?;
        object_8.finish();
    }
    {
        object.key("Dimensions").number(
            #[allow(clippy::useless_conversion)]
            ::aws_smithy_types::Number::NegInt((input.dimensions).into()),
        );
    }
    {
        object.key("DistanceFunction").string(input.distance_function.as_str());
    }
    Ok(())
}

pub(crate) fn de_vector_index<'a, I>(
    tokens: &mut ::std::iter::Peekable<I>,
    _value: &'a [u8],
    depth: u32,
) -> ::std::result::Result<Option<crate::types::VectorIndex>, ::aws_smithy_json::deserialize::error::DeserializeError>
where
    I: Iterator<Item = Result<::aws_smithy_json::deserialize::Token<'a>, ::aws_smithy_json::deserialize::error::DeserializeError>>,
{
    if depth >= 128u32 {
        return Err(::aws_smithy_json::deserialize::error::DeserializeError::custom(
            "maximum nesting depth exceeded",
        ));
    }
    match tokens.next().transpose()? {
        Some(::aws_smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(::aws_smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::types::builders::VectorIndexBuilder::default();
            loop {
                match tokens.next().transpose()? {
                    Some(::aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(::aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => match key.to_unescaped()?.as_ref() {
                        "IndexName" => {
                            builder = builder.set_index_name(
                                ::aws_smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                            );
                        }
                        "VectorAttribute" => {
                            builder = builder.set_vector_attribute(
                                crate::protocol_serde::shape_vector_attribute_definition::de_vector_attribute_definition(tokens, _value, depth + 1)?,
                            );
                        }
                        "SearchSchema" => {
                            builder =
                                builder.set_search_schema(crate::protocol_serde::shape_search_schema::de_search_schema(tokens, _value, depth + 1)?);
                        }
                        "Projection" => {
                            builder = builder.set_projection(crate::protocol_serde::shape_projection::de_projection(tokens, _value, depth + 1)?);
                        }
                        "Dimensions" => {
                            builder = builder.set_dimensions(
                                ::aws_smithy_json::deserialize::token::expect_number_or_null(tokens.next())?
                                    .map(i64::try_from)
                                    .transpose()?,
                            );
                        }
                        "DistanceFunction" => {
                            builder = builder.set_distance_function(
                                ::aws_smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                    .map(|s| s.to_unescaped().map(|u| crate::types::VectorDistanceFunction::from(u.as_ref())))
                                    .transpose()?,
                            );
                        }
                        _ => ::aws_smithy_json::deserialize::token::skip_value(tokens)?,
                    },
                    other => {
                        return Err(::aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                            "expected object key or end object, found: {other:?}"
                        )))
                    }
                }
            }
            Ok(Some(crate::serde_util::vector_index_correct_errors(builder).build().map_err(|err| {
                ::aws_smithy_json::deserialize::error::DeserializeError::custom_source("Response was invalid", err)
            })?))
        }
        _ => Err(::aws_smithy_json::deserialize::error::DeserializeError::custom(
            "expected start object or null",
        )),
    }
}