reifydb-sub-flow 0.4.12

Flow subsystem for stream processing and data flows
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

// SPDX-License-Identifier: Apache-2.0
// Copyright (c) 2025 ReifyDB

use std::sync::Arc;

use reifydb_core::{
	interface::{catalog::flow::FlowNodeId, change::Change},
	value::column::columns::Columns,
};
use reifydb_type::{
	Result,
	value::{datetime::DateTime, row_number::RowNumber},
};

use crate::{
	operator::{BoxedOperator, Operator, Operators},
	transaction::FlowTransaction,
};

pub struct ApplyOperator {
	parent: Arc<Operators>,
	node: FlowNodeId,
	inner: BoxedOperator,
}

impl ApplyOperator {
	pub fn new(parent: Arc<Operators>, node: FlowNodeId, inner: BoxedOperator) -> Self {
		Self {
			parent,
			node,
			inner,
		}
	}
}

impl Operator for ApplyOperator {
	fn id(&self) -> FlowNodeId {
		self.node
	}

	fn apply(&self, txn: &mut FlowTransaction, change: Change) -> Result<Change> {
		self.inner.apply(txn, change)
	}

	fn tick(&self, txn: &mut FlowTransaction, timestamp: DateTime) -> Result<Option<Change>> {
		self.inner.tick(txn, timestamp)
	}

	fn pull(&self, txn: &mut FlowTransaction, rows: &[RowNumber]) -> Result<Columns> {
		self.parent.pull(txn, rows)
	}
}