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Support a basic update callback system

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This commit is contained in:
Clément Renault
2019-10-09 11:45:19 +02:00
parent 2a4707d51e
commit 5f3072e67e
7 changed files with 66 additions and 27 deletions
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22
meilidb-core/examples/from_file.rs
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@ -5,14 +5,14 @@ use std::io::Write;
use std::iter::FromIterator;
use std::path::{Path, PathBuf};
use std::time::{Instant, Duration};
use std::{fs, io};
use std::{fs, io, sync::mpsc};
use rustyline::{Editor, Config};
use serde::{Serialize, Deserialize};
use structopt::StructOpt;
use termcolor::{Color, ColorChoice, ColorSpec, StandardStream, WriteColor};
use meilidb_core::{Highlight, Database};
use meilidb_core::{Highlight, Database, UpdateResult, BoxUpdateFn};
use meilidb_schema::SchemaAttr;
const INDEX_NAME: &str = "default";
@ -79,8 +79,10 @@ struct Document(HashMap<String, String>);
fn index_command(command: IndexCommand, database: Database) -> Result<(), Box<dyn Error>> {
let start = Instant::now();
let (sender, receiver) = mpsc::sync_channel(0);
let update_fn = move |update: UpdateResult| sender.send(update.update_id).unwrap();
let index = database.open_index(INDEX_NAME, Some(Box::new(update_fn)))?;
let rkv = database.rkv.read().unwrap();
let index = database.open_index(INDEX_NAME)?;
let schema = {
let string = fs::read_to_string(&command.schema)?;
@ -139,14 +141,9 @@ fn index_command(command: IndexCommand, database: Database) -> Result<(), Box<dy
max_update_id = max_update_id.max(update_id);
}
loop {
println!("Waiting for update {}", max_update_id);
let reader = rkv.read().unwrap();
if let Some(_) = index.updates_results.update_result(&reader, max_update_id)? {
break
}
std::thread::sleep(std::time::Duration::from_secs(1));
println!("Waiting for update {}", max_update_id);
for id in receiver {
if id == max_update_id { break }
}
println!("database created in {:.2?} at: {:?}", start.elapsed(), command.database_path);
@ -253,7 +250,8 @@ fn crop_text(
fn search_command(command: SearchCommand, database: Database) -> Result<(), Box<dyn Error>> {
let rkv = database.rkv.read().unwrap();
let index = database.open_index(INDEX_NAME)?;
let update_fn = None as Option::<BoxUpdateFn>;
let index = database.open_index(INDEX_NAME, update_fn)?;
let reader = rkv.read().unwrap();
let schema = index.main.schema(&reader)?;