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30 lines
634 B
Rust
30 lines
634 B
Rust
use std::sync::atomic::{AtomicU64, Ordering};
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#[derive(Debug)]
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/// Unique ID Allocator
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///
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/// Helper to allocate numerical ids in shared contexts
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pub struct IdAllocator {
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next_id: AtomicU64,
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}
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impl IdAllocator {
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pub fn new(next_id: u64) -> Self {
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Self { next_id: AtomicU64::new(next_id) }
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}
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/// Return a new unused ID using an atomic fetch-add
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pub fn get_next_id(&self) -> u64 {
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self.next_id.fetch_add(1, Ordering::Release)
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}
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}
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pub struct IdSegments {
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segments: Vec<(u64, u64)>,
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}
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impl IdSegments {
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pub fn new(segments: Vec<(u64, u64)>) -> Self {
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Self { segments }
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}
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} |