diff options
Diffstat (limited to 'src/model/block_ref_table.rs')
-rw-r--r-- | src/model/block_ref_table.rs | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/src/model/block_ref_table.rs b/src/model/block_ref_table.rs deleted file mode 100644 index b6945403..00000000 --- a/src/model/block_ref_table.rs +++ /dev/null @@ -1,74 +0,0 @@ -use serde::{Deserialize, Serialize}; -use std::sync::Arc; - -use garage_util::data::*; - -use garage_table::crdt::Crdt; -use garage_table::*; - -use garage_block::manager::*; - -#[derive(PartialEq, Clone, Debug, Serialize, Deserialize)] -pub struct BlockRef { - /// Hash (blake2 sum) of the block, used as partition key - pub block: Hash, - - /// Id of the Version for the object containing this block, used as sorting key - pub version: Uuid, - - // Keep track of deleted status - /// Is the Version that contains this block deleted - pub deleted: crdt::Bool, -} - -impl Entry<Hash, Uuid> for BlockRef { - fn partition_key(&self) -> &Hash { - &self.block - } - fn sort_key(&self) -> &Uuid { - &self.version - } - fn is_tombstone(&self) -> bool { - self.deleted.get() - } -} - -impl Crdt for BlockRef { - fn merge(&mut self, other: &Self) { - self.deleted.merge(&other.deleted); - } -} - -pub struct BlockRefTable { - pub block_manager: Arc<BlockManager>, -} - -impl TableSchema for BlockRefTable { - const TABLE_NAME: &'static str = "block_ref"; - - type P = Hash; - type S = Uuid; - type E = BlockRef; - type Filter = DeletedFilter; - - fn updated(&self, old: Option<Self::E>, new: Option<Self::E>) { - #[allow(clippy::or_fun_call)] - let block = &old.as_ref().or(new.as_ref()).unwrap().block; - let was_before = old.as_ref().map(|x| !x.deleted.get()).unwrap_or(false); - let is_after = new.as_ref().map(|x| !x.deleted.get()).unwrap_or(false); - if is_after && !was_before { - if let Err(e) = self.block_manager.block_incref(block) { - warn!("block_incref failed for block {:?}: {}", block, e); - } - } - if was_before && !is_after { - if let Err(e) = self.block_manager.block_decref(block) { - warn!("block_decref failed for block {:?}: {}", block, e); - } - } - } - - fn matches_filter(entry: &Self::E, filter: &Self::Filter) -> bool { - filter.apply(entry.deleted.get()) - } -} |