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