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use super::*;
#[derive(Debug, Serialize, Deserialize, PartialEq, Eq)]
pub struct Freeze
{
metadata: StoreMetadata,
data: Vec<Entry>,
}
impl Freeze
{
pub(super) fn new_ref(from: &Store) -> Self
{
Self {
metadata: from.metadata.clone(),
data: from.data.iter().map(Entry::clone).collect(),
}
}
pub(super) fn new_moved(from: Store) -> Self
{
Self {
metadata: from.metadata,
data: from.data.into_iter().map(Entry::with_no_cache).collect(),
}
}
pub(super) fn create_new(&self) -> Store
{
let mut new = Store::with_capacity(self.metadata.clone(), self.data.len());
for entry in self.data.iter()
{
let hash = entry.hash().clone();
let hash_idx = new.data_hashes.insert(hash);
// insert the tags
for tag in entry.tags.iter()
{
if let Some(&ti) = new.tags.get(tag) {
// This tag has an entry already, append to it
new.tag_mappings.get_mut(ti).unwrap().insert(hash_idx);
} else {
// This tag has no entry, create it
let ti = new.tag_mappings.insert(iter![hash_idx].collect());
new.tags.insert(tag.clone(), ti);
}
}
new.data.insert(entry.clone());
}
new
}
pub(super) fn into_new(self) -> Store
{
let Freeze { data, metadata } = self;
let mut new = Store::with_capacity(metadata, data.len());
for entry in data.into_iter()
{
let hash = entry.hash().clone();
let hash_idx = new.data_hashes.insert(hash);
// insert the tags
for tag in entry.tags.iter()
{
if let Some(&ti) = new.tags.get(tag) {
// This tag has an entry already, append to it
new.tag_mappings.get_mut(ti).unwrap().insert(hash_idx);
} else {
// This tag has no entry, create it
let ti = new.tag_mappings.insert(iter![hash_idx].collect());
new.tags.insert(tag.clone(), ti);
}
}
new.data.insert(entry);
}
new
}
}
impl From<Store> for Freeze
{
#[inline] fn from(from: Store) -> Self
{
Self::new_moved(from)
}
}
impl From<Freeze> for Store
{
#[inline] fn from(from: Freeze) -> Self
{
from.into_new()
}
}