2021-10-19 11:16:24 +02:00
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use rkyv::{Archive, Serialize, Deserialize};
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2021-10-13 04:57:40 +02:00
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use super::{
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AllocAdapter,
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DB,
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};
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2021-10-19 11:16:24 +02:00
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use crate::db::AlignedAdapter;
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use crate::db::raw::RawDB;
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use std::sync::Arc;
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use lmdb::Environment;
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use crate::db;
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2021-10-13 04:57:40 +02:00
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#[derive(Archive, Serialize, Deserialize)]
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pub struct Resource {
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uuid: u128,
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id: String,
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name_idx: u64,
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description_idx: u64,
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}
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pub struct ResourceDB {
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2021-10-19 11:16:24 +02:00
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env: Arc<Environment>,
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2021-10-13 04:57:40 +02:00
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db: DB<AllocAdapter<Resource>>,
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2021-10-19 11:16:24 +02:00
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id_index: DB<AlignedAdapter<u64>>,
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2021-10-13 04:57:40 +02:00
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}
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2021-10-19 11:16:24 +02:00
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impl ResourceDB {
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pub unsafe fn new(env: Arc<Environment>, db: RawDB, id_index: RawDB) -> Self {
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let db = DB::new_unchecked(db);
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let id_index = DB::new_unchecked(id_index);
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Self { env, db, id_index }
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}
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pub fn lookup_id<S: AsRef<str>>(&self, id: S) -> Result<Option<u64>, db::Error> {
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let txn = self.env.begin_ro_txn()?;
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self.id_index.get(&txn, &id.as_ref().as_bytes()).map(|ok| {
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ok.map(|num| *num)
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})
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}
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}
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