re_types/datatypes/
uuid.rs

1// DO NOT EDIT! This file was auto-generated by crates/build/re_types_builder/src/codegen/rust/api.rs
2// Based on "crates/store/re_types/definitions/rerun/datatypes/uuid.fbs".
3
4#![allow(unused_braces)]
5#![allow(unused_imports)]
6#![allow(unused_parens)]
7#![allow(clippy::allow_attributes)]
8#![allow(clippy::clone_on_copy)]
9#![allow(clippy::cloned_instead_of_copied)]
10#![allow(clippy::map_flatten)]
11#![allow(clippy::needless_question_mark)]
12#![allow(clippy::new_without_default)]
13#![allow(clippy::redundant_closure)]
14#![allow(clippy::too_many_arguments)]
15#![allow(clippy::too_many_lines)]
16#![allow(clippy::wildcard_imports)]
17
18use ::re_types_core::SerializationResult;
19use ::re_types_core::try_serialize_field;
20use ::re_types_core::{ComponentBatch as _, SerializedComponentBatch};
21use ::re_types_core::{ComponentDescriptor, ComponentType};
22use ::re_types_core::{DeserializationError, DeserializationResult};
23
24/// **Datatype**: A 16-byte UUID.
25#[derive(Clone, Debug, Default, Copy, PartialEq, Eq)]
26#[repr(transparent)]
27pub struct Uuid {
28    /// The raw bytes representing the UUID.
29    pub bytes: [u8; 16usize],
30}
31
32::re_types_core::macros::impl_into_cow!(Uuid);
33
34impl ::re_types_core::Loggable for Uuid {
35    #[inline]
36    fn arrow_datatype() -> arrow::datatypes::DataType {
37        use arrow::datatypes::*;
38        DataType::FixedSizeList(
39            std::sync::Arc::new(Field::new("item", DataType::UInt8, false)),
40            16,
41        )
42    }
43
44    fn to_arrow_opt<'a>(
45        data: impl IntoIterator<Item = Option<impl Into<::std::borrow::Cow<'a, Self>>>>,
46    ) -> SerializationResult<arrow::array::ArrayRef>
47    where
48        Self: Clone + 'a,
49    {
50        #![allow(clippy::manual_is_variant_and)]
51        use ::re_types_core::{Loggable as _, ResultExt as _, arrow_helpers::as_array_ref};
52        use arrow::{array::*, buffer::*, datatypes::*};
53        Ok({
54            let (somes, bytes): (Vec<_>, Vec<_>) = data
55                .into_iter()
56                .map(|datum| {
57                    let datum: Option<::std::borrow::Cow<'a, Self>> = datum.map(Into::into);
58                    let datum = datum.map(|datum| datum.into_owned().bytes);
59                    (datum.is_some(), datum)
60                })
61                .unzip();
62            let bytes_validity: Option<arrow::buffer::NullBuffer> = {
63                let any_nones = somes.iter().any(|some| !*some);
64                any_nones.then(|| somes.into())
65            };
66            {
67                let bytes_inner_data: Vec<_> = bytes
68                    .into_iter()
69                    .flat_map(|v| match v {
70                        Some(v) => itertools::Either::Left(v.into_iter()),
71                        None => itertools::Either::Right(std::iter::repeat_n(
72                            Default::default(),
73                            16usize,
74                        )),
75                    })
76                    .collect();
77                let bytes_inner_validity: Option<arrow::buffer::NullBuffer> =
78                    bytes_validity.as_ref().map(|validity| {
79                        validity
80                            .iter()
81                            .map(|b| std::iter::repeat_n(b, 16usize))
82                            .flatten()
83                            .collect::<Vec<_>>()
84                            .into()
85                    });
86                as_array_ref(FixedSizeListArray::new(
87                    std::sync::Arc::new(Field::new("item", DataType::UInt8, false)),
88                    16,
89                    as_array_ref(PrimitiveArray::<UInt8Type>::new(
90                        ScalarBuffer::from(bytes_inner_data.into_iter().collect::<Vec<_>>()),
91                        bytes_inner_validity,
92                    )),
93                    bytes_validity,
94                ))
95            }
96        })
97    }
98
99    fn from_arrow_opt(
100        arrow_data: &dyn arrow::array::Array,
101    ) -> DeserializationResult<Vec<Option<Self>>>
102    where
103        Self: Sized,
104    {
105        use ::re_types_core::{Loggable as _, ResultExt as _, arrow_zip_validity::ZipValidity};
106        use arrow::{array::*, buffer::*, datatypes::*};
107        Ok({
108            let arrow_data = arrow_data
109                .as_any()
110                .downcast_ref::<arrow::array::FixedSizeListArray>()
111                .ok_or_else(|| {
112                    let expected = Self::arrow_datatype();
113                    let actual = arrow_data.data_type().clone();
114                    DeserializationError::datatype_mismatch(expected, actual)
115                })
116                .with_context("rerun.datatypes.Uuid#bytes")?;
117            if arrow_data.is_empty() {
118                Vec::new()
119            } else {
120                let offsets = (0..)
121                    .step_by(16usize)
122                    .zip((16usize..).step_by(16usize).take(arrow_data.len()));
123                let arrow_data_inner = {
124                    let arrow_data_inner = &**arrow_data.values();
125                    arrow_data_inner
126                        .as_any()
127                        .downcast_ref::<UInt8Array>()
128                        .ok_or_else(|| {
129                            let expected = DataType::UInt8;
130                            let actual = arrow_data_inner.data_type().clone();
131                            DeserializationError::datatype_mismatch(expected, actual)
132                        })
133                        .with_context("rerun.datatypes.Uuid#bytes")?
134                        .into_iter()
135                        .collect::<Vec<_>>()
136                };
137                ZipValidity::new_with_validity(offsets, arrow_data.nulls())
138                    .map(|elem| {
139                        elem.map(|(start, end): (usize, usize)| {
140                            debug_assert!(end - start == 16usize);
141                            if arrow_data_inner.len() < end {
142                                return Err(DeserializationError::offset_slice_oob(
143                                    (start, end),
144                                    arrow_data_inner.len(),
145                                ));
146                            }
147
148                            #[expect(unsafe_code, clippy::undocumented_unsafe_blocks)]
149                            let data = unsafe { arrow_data_inner.get_unchecked(start..end) };
150                            let data = data.iter().cloned().map(Option::unwrap_or_default);
151
152                            // NOTE: Unwrapping cannot fail: the length must be correct.
153                            #[expect(clippy::unwrap_used)]
154                            Ok(array_init::from_iter(data).unwrap())
155                        })
156                        .transpose()
157                    })
158                    .collect::<DeserializationResult<Vec<Option<_>>>>()?
159            }
160            .into_iter()
161        }
162        .map(|v| v.ok_or_else(DeserializationError::missing_data))
163        .map(|res| res.map(|bytes| Some(Self { bytes })))
164        .collect::<DeserializationResult<Vec<Option<_>>>>()
165        .with_context("rerun.datatypes.Uuid#bytes")
166        .with_context("rerun.datatypes.Uuid")?)
167    }
168
169    #[inline]
170    fn from_arrow(arrow_data: &dyn arrow::array::Array) -> DeserializationResult<Vec<Self>>
171    where
172        Self: Sized,
173    {
174        use ::re_types_core::{Loggable as _, ResultExt as _, arrow_zip_validity::ZipValidity};
175        use arrow::{array::*, buffer::*, datatypes::*};
176        if let Some(nulls) = arrow_data.nulls()
177            && nulls.null_count() != 0
178        {
179            return Err(DeserializationError::missing_data());
180        }
181        Ok({
182            let slice = {
183                let arrow_data = arrow_data
184                    .as_any()
185                    .downcast_ref::<arrow::array::FixedSizeListArray>()
186                    .ok_or_else(|| {
187                        let expected = DataType::FixedSizeList(
188                            std::sync::Arc::new(Field::new("item", DataType::UInt8, false)),
189                            16,
190                        );
191                        let actual = arrow_data.data_type().clone();
192                        DeserializationError::datatype_mismatch(expected, actual)
193                    })
194                    .with_context("rerun.datatypes.Uuid#bytes")?;
195                let arrow_data_inner = &**arrow_data.values();
196                bytemuck::cast_slice::<_, [_; 16usize]>(
197                    arrow_data_inner
198                        .as_any()
199                        .downcast_ref::<UInt8Array>()
200                        .ok_or_else(|| {
201                            let expected = DataType::UInt8;
202                            let actual = arrow_data_inner.data_type().clone();
203                            DeserializationError::datatype_mismatch(expected, actual)
204                        })
205                        .with_context("rerun.datatypes.Uuid#bytes")?
206                        .values()
207                        .as_ref(),
208                )
209            };
210            {
211                slice
212                    .iter()
213                    .copied()
214                    .map(|bytes| Self { bytes })
215                    .collect::<Vec<_>>()
216            }
217        })
218    }
219}
220
221impl From<[u8; 16usize]> for Uuid {
222    #[inline]
223    fn from(bytes: [u8; 16usize]) -> Self {
224        Self { bytes }
225    }
226}
227
228impl From<Uuid> for [u8; 16usize] {
229    #[inline]
230    fn from(value: Uuid) -> Self {
231        value.bytes
232    }
233}
234
235impl ::re_byte_size::SizeBytes for Uuid {
236    #[inline]
237    fn heap_size_bytes(&self) -> u64 {
238        self.bytes.heap_size_bytes()
239    }
240
241    #[inline]
242    fn is_pod() -> bool {
243        <[u8; 16usize]>::is_pod()
244    }
245}
re_types/datatypes/uuid.rs

re_types/datatypes/
uuid.rs
