52 lines
900 B
Rust
52 lines
900 B
Rust
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use async_trait::async_trait;
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use serde::{Deserialize, Serialize};
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use std::sync::Arc;
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use tokio::sync::RwLock;
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use crate::data::*;
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use crate::server::Garage;
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use crate::table::*;
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#[derive(PartialEq, Clone, Debug, Serialize, Deserialize)]
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pub struct BlockRef {
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// Primary key
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pub block: Hash,
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// Sort key
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pub version: UUID,
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// Keep track of deleted status
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pub deleted: bool,
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}
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impl Entry<Hash, UUID> for BlockRef {
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fn partition_key(&self) -> &Hash {
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&self.block
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}
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fn sort_key(&self) -> &UUID {
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&self.version
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}
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fn merge(&mut self, other: &Self) {
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if other.deleted {
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self.deleted = true;
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}
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}
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}
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pub struct BlockRefTable {
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pub garage: RwLock<Option<Arc<Garage>>>,
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}
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#[async_trait]
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impl TableFormat for BlockRefTable {
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type P = Hash;
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type S = UUID;
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type E = BlockRef;
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async fn updated(&self, old: Option<&Self::E>, new: &Self::E) {
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//unimplemented!()
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// TODO
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}
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}
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