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use serde::{Deserialize, Serialize};
use garage_table::crdt::*;
use garage_table::*;
use garage_util::data::*;
/// The bucket alias table holds the names given to buckets
/// in the global namespace.
#[derive(PartialEq, Clone, Debug, Serialize, Deserialize)]
pub struct BucketAlias {
pub name: String,
pub state: crdt::Lww<crdt::Deletable<AliasParams>>,
}
#[derive(PartialEq, Eq, PartialOrd, Ord, Clone, Debug, Serialize, Deserialize)]
pub struct AliasParams {
pub bucket_id: Uuid,
}
impl AutoCrdt for AliasParams {
const WARN_IF_DIFFERENT: bool = true;
}
impl BucketAlias {
pub fn new(name: String, bucket_id: Uuid) -> Self {
BucketAlias {
name,
state: crdt::Lww::new(crdt::Deletable::present(AliasParams { bucket_id })),
}
}
pub fn is_deleted(&self) -> bool {
self.state.get().is_deleted()
}
}
impl Crdt for BucketAlias {
fn merge(&mut self, o: &Self) {
self.state.merge(&o.state);
}
}
impl Entry<EmptyKey, String> for BucketAlias {
fn partition_key(&self) -> &EmptyKey {
&EmptyKey
}
fn sort_key(&self) -> &String {
&self.name
}
}
pub struct BucketAliasTable;
impl TableSchema for BucketAliasTable {
const TABLE_NAME: &'static str = "bucket_alias";
type P = EmptyKey;
type S = String;
type E = BucketAlias;
type Filter = DeletedFilter;
fn matches_filter(entry: &Self::E, filter: &Self::Filter) -> bool {
filter.apply(entry.is_deleted())
}
}
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