reifydb_transaction/transaction/catalog/
handler.rs

1// SPDX-License-Identifier: Apache-2.0
2// Copyright (c) 2025 ReifyDB
3
4use reifydb_core::interface::catalog::{
5	change::CatalogTrackHandlerChangeOperations,
6	handler::Handler,
7	id::{HandlerId, NamespaceId},
8};
9use reifydb_type::Result;
10
11use crate::{
12	change::{
13		Change,
14		OperationType::{Create, Delete},
15		TransactionalHandlerChanges,
16	},
17	transaction::admin::AdminTransaction,
18};
19
20impl CatalogTrackHandlerChangeOperations for AdminTransaction {
21	fn track_handler_created(&mut self, handler: Handler) -> Result<()> {
22		let change = Change {
23			pre: None,
24			post: Some(handler),
25			op: Create,
26		};
27		self.changes.add_handler_change(change);
28		Ok(())
29	}
30
31	fn track_handler_deleted(&mut self, handler: Handler) -> Result<()> {
32		let change = Change {
33			pre: Some(handler),
34			post: None,
35			op: Delete,
36		};
37		self.changes.add_handler_change(change);
38		Ok(())
39	}
40}
41
42impl TransactionalHandlerChanges for AdminTransaction {
43	fn find_handler_by_id(&self, id: HandlerId) -> Option<&Handler> {
44		for change in self.changes.handler.iter().rev() {
45			if let Some(handler) = &change.post {
46				if handler.id == id {
47					return Some(handler);
48				}
49			} else if let Some(handler) = &change.pre
50				&& handler.id == id && change.op == Delete
51			{
52				return None;
53			}
54		}
55		None
56	}
57
58	fn find_handler_by_name(&self, namespace: NamespaceId, name: &str) -> Option<&Handler> {
59		self.changes
60			.handler
61			.iter()
62			.rev()
63			.find_map(|change| change.post.as_ref().filter(|h| h.namespace == namespace && h.name == name))
64	}
65
66	fn is_handler_deleted(&self, id: HandlerId) -> bool {
67		self.changes
68			.handler
69			.iter()
70			.rev()
71			.any(|change| change.op == Delete && change.pre.as_ref().map(|h| h.id == id).unwrap_or(false))
72	}
73
74	fn is_handler_deleted_by_name(&self, namespace: NamespaceId, name: &str) -> bool {
75		self.changes.handler.iter().rev().any(|change| {
76			change.op == Delete
77				&& change
78					.pre
79					.as_ref()
80					.map(|h| h.namespace == namespace && h.name == name)
81					.unwrap_or(false)
82		})
83	}
84}
reifydb_transaction/transaction/catalog/handler.rs

reifydb_transaction/transaction/catalog/
handler.rs
