diff options
Diffstat (limited to 'src/block_ref_table.rs')
-rw-r--r-- | src/block_ref_table.rs | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/src/block_ref_table.rs b/src/block_ref_table.rs deleted file mode 100644 index 6a256aa3..00000000 --- a/src/block_ref_table.rs +++ /dev/null @@ -1,67 +0,0 @@ -use async_trait::async_trait; -use serde::{Deserialize, Serialize}; -use std::sync::Arc; - -use crate::background::*; -use crate::data::*; -use crate::error::Error; -use crate::table::*; - -use crate::block::*; - -#[derive(PartialEq, Clone, Debug, Serialize, Deserialize)] -pub struct BlockRef { - // Primary key - pub block: Hash, - - // Sort key - pub version: UUID, - - // Keep track of deleted status - pub deleted: bool, -} - -impl Entry<Hash, UUID> for BlockRef { - fn partition_key(&self) -> &Hash { - &self.block - } - fn sort_key(&self) -> &UUID { - &self.version - } - - fn merge(&mut self, other: &Self) { - if other.deleted { - self.deleted = true; - } - } -} - -pub struct BlockRefTable { - pub background: Arc<BackgroundRunner>, - pub block_manager: Arc<BlockManager>, -} - -#[async_trait] -impl TableSchema for BlockRefTable { - type P = Hash; - type S = UUID; - type E = BlockRef; - type Filter = (); - - async fn updated(&self, old: Option<Self::E>, new: Option<Self::E>) -> Result<(), Error> { - let block = &old.as_ref().or(new.as_ref()).unwrap().block; - let was_before = old.as_ref().map(|x| !x.deleted).unwrap_or(false); - let is_after = new.as_ref().map(|x| !x.deleted).unwrap_or(false); - if is_after && !was_before { - self.block_manager.block_incref(block)?; - } - if was_before && !is_after { - self.block_manager.block_decref(block)?; - } - Ok(()) - } - - fn matches_filter(entry: &Self::E, _filter: &Self::Filter) -> bool { - !entry.deleted - } -} |