reifydb_value/value/container/
row.rs1use std::{
5 fmt::{self, Debug},
6 ops::Deref,
7 result::Result as StdResult,
8};
9
10use serde::{Deserialize, Deserializer, Serialize, Serializer};
11
12use crate::{
13 Result,
14 util::bitvec::BitVec,
15 value::{Value, row_number::RowNumber, value_type::ValueType},
16};
17
18pub struct RowNumberContainer {
19 data: Vec<RowNumber>,
20}
21
22impl Clone for RowNumberContainer {
23 fn clone(&self) -> Self {
24 Self {
25 data: self.data.clone(),
26 }
27 }
28}
29
30impl Debug for RowNumberContainer {
31 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
32 f.debug_struct("RowNumberContainer").field("data", &self.data).finish()
33 }
34}
35
36impl PartialEq for RowNumberContainer {
37 fn eq(&self, other: &Self) -> bool {
38 self.data == other.data
39 }
40}
41
42impl Serialize for RowNumberContainer {
43 fn serialize<Ser: Serializer>(&self, serializer: Ser) -> StdResult<Ser::Ok, Ser::Error> {
44 #[derive(Serialize)]
45 struct Helper<'a> {
46 data: &'a Vec<RowNumber>,
47 }
48
49 Helper {
50 data: &self.data,
51 }
52 .serialize(serializer)
53 }
54}
55
56impl<'de> Deserialize<'de> for RowNumberContainer {
57 fn deserialize<D: Deserializer<'de>>(deserializer: D) -> StdResult<Self, D::Error> {
58 #[derive(Deserialize)]
59 struct Helper {
60 data: Vec<RowNumber>,
61 }
62 let h = Helper::deserialize(deserializer)?;
63 Ok(RowNumberContainer {
64 data: h.data,
65 })
66 }
67}
68
69impl Deref for RowNumberContainer {
70 type Target = [RowNumber];
71
72 fn deref(&self) -> &Self::Target {
73 self.data.as_slice()
74 }
75}
76
77impl RowNumberContainer {
78 pub fn new(data: Vec<RowNumber>) -> Self {
79 Self {
80 data,
81 }
82 }
83
84 pub fn with_capacity(capacity: usize) -> Self {
85 Self {
86 data: Vec::with_capacity(capacity),
87 }
88 }
89
90 pub fn from_vec(data: Vec<RowNumber>) -> Self {
91 Self {
92 data,
93 }
94 }
95}
96
97impl RowNumberContainer {
98 pub fn from_parts(data: Vec<RowNumber>) -> Self {
99 Self {
100 data,
101 }
102 }
103
104 pub fn len(&self) -> usize {
105 self.data.len()
106 }
107
108 pub fn capacity(&self) -> usize {
109 self.data.capacity()
110 }
111
112 pub fn is_empty(&self) -> bool {
113 self.data.is_empty()
114 }
115
116 pub fn push(&mut self, value: RowNumber) {
117 self.data.push(value);
118 }
119
120 pub fn push_default(&mut self) {
121 self.data.push(RowNumber::default());
122 }
123
124 pub fn get(&self, index: usize) -> Option<&RowNumber> {
125 if index < self.len() {
126 self.data.get(index)
127 } else {
128 None
129 }
130 }
131
132 pub fn is_defined(&self, idx: usize) -> bool {
133 idx < self.len()
134 }
135
136 pub fn data(&self) -> &Vec<RowNumber> {
137 &self.data
138 }
139
140 pub fn data_mut(&mut self) -> &mut Vec<RowNumber> {
141 &mut self.data
142 }
143
144 pub fn as_string(&self, index: usize) -> String {
145 if index < self.len() {
146 self.data[index].to_string()
147 } else {
148 "none".to_string()
149 }
150 }
151
152 pub fn get_value(&self, index: usize) -> Value {
153 if index < self.len() {
154 Value::Uint8(self.data[index].value())
155 } else {
156 Value::none_of(ValueType::Uint8)
157 }
158 }
159
160 pub fn extend(&mut self, other: &Self) -> Result<()> {
161 self.data.extend(other.data.iter().cloned());
162 Ok(())
163 }
164
165 pub fn iter(&self) -> impl Iterator<Item = Option<RowNumber>> + '_ {
166 self.data.iter().map(|&v| Some(v))
167 }
168
169 pub fn slice(&self, start: usize, end: usize) -> Self {
170 let count = (end - start).min(self.len().saturating_sub(start));
171 let mut new_data = Vec::with_capacity(count);
172 for i in start..(start + count) {
173 new_data.push(self.data[i]);
174 }
175 Self {
176 data: new_data,
177 }
178 }
179
180 pub fn filter(&mut self, mask: &BitVec) {
181 let mut new_data = Vec::with_capacity(mask.count_ones());
182
183 for (i, keep) in mask.iter().enumerate() {
184 if keep && i < self.len() {
185 new_data.push(self.data[i]);
186 }
187 }
188
189 self.data = new_data;
190 }
191
192 pub fn reorder(&mut self, indices: &[usize]) {
193 let mut new_data = Vec::with_capacity(indices.len());
194
195 for &idx in indices {
196 if idx < self.len() {
197 new_data.push(self.data[idx]);
198 } else {
199 new_data.push(RowNumber::default());
200 }
201 }
202
203 self.data = new_data;
204 }
205
206 pub fn take(&self, num: usize) -> Self {
207 Self {
208 data: self.data[..num.min(self.data.len())].to_vec(),
209 }
210 }
211}
212
213impl Default for RowNumberContainer {
214 fn default() -> Self {
215 Self::with_capacity(0)
216 }
217}