reifydb-sdk 0.9.0

SDK for building ReifyDB operators, procedures, transforms and more
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161

// SPDX-License-Identifier: Apache-2.0
// Copyright (c) 2026 ReifyDB

use crate::{
	common::extern_c::wire::{buffer::ExternCBuffer, key_ref::ExternCKeyRef},
	flow::operator::extern_c::wire::{
		context::ExternCContextRaw, iterators::ExternCStateIterator, state::ExternCStateEntry,
	},
};

pub const GROUP_ABSENT: u64 = 0;

#[repr(C)]
#[derive(Clone, Copy)]
pub struct StateCallbacks {
	pub get: extern "C" fn(
		operator_id: u64,
		ctx: *mut ExternCContextRaw,
		key: *const u8,
		key_len: usize,
		output: *mut ExternCBuffer,
	) -> i32,

	pub set: extern "C" fn(
		operator_id: u64,
		ctx: *mut ExternCContextRaw,
		key: *const u8,
		key_len: usize,
		value: *const u8,
		value_len: usize,
	) -> i32,

	pub remove: extern "C" fn(operator_id: u64, ctx: *mut ExternCContextRaw, key: *const u8, key_len: usize) -> i32,

	pub clear: extern "C" fn(operator_id: u64, ctx: *mut ExternCContextRaw) -> i32,

	pub prefix: extern "C" fn(
		operator_id: u64,
		ctx: *mut ExternCContextRaw,
		prefix: *const u8,
		prefix_len: usize,
		iterator_out: *mut *mut ExternCStateIterator,
	) -> i32,

	pub range: extern "C" fn(
		operator_id: u64,
		ctx: *mut ExternCContextRaw,
		start: *const u8,
		start_len: usize,
		start_bound_type: u8,
		end: *const u8,
		end_len: usize,
		end_bound_type: u8,
		iterator_out: *mut *mut ExternCStateIterator,
	) -> i32,

	pub iterator_next: extern "C" fn(
		iterator: *mut ExternCStateIterator,
		out: *mut ExternCStateEntry,
		cap: usize,
		out_len: *mut usize,
	) -> i32,

	pub iterator_free: extern "C" fn(iterator: *mut ExternCStateIterator),

	pub get_many: extern "C" fn(
		operator_id: u64,
		ctx: *mut ExternCContextRaw,
		keys: *const ExternCKeyRef,
		keys_len: usize,
		iterator_out: *mut *mut ExternCStateIterator,
	) -> i32,

	pub get_or_create_row_numbers: extern "C" fn(
		operator_id: u64,
		ctx: *mut ExternCContextRaw,
		group: u64,
		keys: *const ExternCKeyRef,
		keys_len: usize,
		row_numbers_out: *mut u64,
		is_new_out: *mut u8,
	) -> i32,

	pub get_or_create_row_numbers_for_pairs: extern "C" fn(
		operator_id: u64,
		ctx: *mut ExternCContextRaw,
		groups: *const u64,
		keys: *const ExternCKeyRef,
		pairs_len: usize,
		row_numbers_out: *mut u64,
		is_new_out: *mut u8,
	) -> i32,

	pub remove_row_number: extern "C" fn(
		operator_id: u64,
		ctx: *mut ExternCContextRaw,
		group: u64,
		key: *const u8,
		key_len: usize,
	) -> i32,

	pub remove_row_numbers_below: extern "C" fn(
		operator_id: u64,
		ctx: *mut ExternCContextRaw,
		group: u64,
		upper: *const u8,
		upper_len: usize,
		output: *mut ExternCBuffer,
	) -> i32,

	pub intern_groups: extern "C" fn(
		operator_id: u64,
		ctx: *mut ExternCContextRaw,
		groups: *const ExternCKeyRef,
		groups_len: usize,
		ids_out: *mut u64,
		is_new_out: *mut u8,
	) -> i32,

	pub lookup_groups: extern "C" fn(
		operator_id: u64,
		ctx: *mut ExternCContextRaw,
		groups: *const ExternCKeyRef,
		groups_len: usize,
		ids_out: *mut u64,
	) -> i32,

	pub arm_timer: extern "C" fn(
		operator_id: u64,
		ctx: *mut ExternCContextRaw,
		due_bits: u64,
		kind: u8,
		key: *const u8,
		key_len: usize,
	) -> i32,

	pub disarm_timer: extern "C" fn(
		operator_id: u64,
		ctx: *mut ExternCContextRaw,
		due_bits: u64,
		kind: u8,
		key: *const u8,
		key_len: usize,
	) -> i32,

	pub flow_watermark: extern "C" fn(
		operator_id: u64,
		ctx: *mut ExternCContextRaw,
		bits_out: *mut u64,
		present_out: *mut u8,
	) -> i32,

	pub reclaim_group_identity: extern "C" fn(
		operator_id: u64,
		ctx: *mut ExternCContextRaw,
		group: u64,
		limit: usize,
		removed_out: *mut usize,
		more_out: *mut u8,
	) -> i32,
}