d803bfe2b1
git-subtree-dir: vendor/ruvector git-subtree-split: b64c21726f2bb37286d9ee36a7869fef60cc6900
55 lines
1.4 KiB
Rust
55 lines
1.4 KiB
Rust
//! Progress reporting for long-running imports.
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use std::io::Write;
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/// Trait for receiving import progress callbacks.
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pub trait ProgressReporter {
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/// Called after each batch with cumulative counts.
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fn report(&self, imported: u64, rejected: u64, total: u64);
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}
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/// A reporter that prints progress to stderr.
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pub struct StderrProgress;
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impl ProgressReporter for StderrProgress {
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fn report(&self, imported: u64, rejected: u64, total: u64) {
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if total > 0 {
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let pct = (imported + rejected) as f64 / total as f64 * 100.0;
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eprint!("\r imported: {imported}, rejected: {rejected}, total: {total} ({pct:.1}%)");
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let _ = std::io::stderr().flush();
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}
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}
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}
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/// A reporter that collects reports for testing.
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pub struct CollectingProgress {
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reports: std::sync::Mutex<Vec<(u64, u64, u64)>>,
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}
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impl Default for CollectingProgress {
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fn default() -> Self {
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Self {
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reports: std::sync::Mutex::new(Vec::new()),
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}
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}
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}
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impl CollectingProgress {
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pub fn new() -> Self {
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Self::default()
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}
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pub fn reports(&self) -> Vec<(u64, u64, u64)> {
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self.reports.lock().unwrap().clone()
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}
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}
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impl ProgressReporter for CollectingProgress {
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fn report(&self, imported: u64, rejected: u64, total: u64) {
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self.reports
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.lock()
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.unwrap()
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.push((imported, rejected, total));
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}
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}
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