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use idx_binary::IdxBinary;
use versatile_data::IdxSized;
use super::SessionCollectionRow;
#[derive(Clone)]
pub struct SessionDepend {
key: String,
collection_row: SessionCollectionRow,
}
impl SessionDepend{
pub fn new(key:&str,collection_row:SessionCollectionRow)->Self{
Self { key:key.to_owned(), collection_row }
}
pub fn collection_id(&self)->i32{
self.collection_row.collection_id()
}
pub fn row(&self)->i64{
self.collection_row.row()
}
pub fn key(&self)->&str{
&self.key
}
}
pub struct SessionRelationRows {
pub(crate) key: IdxSized<u32>,
pub(crate) session_row: IdxSized<u32>,
pub(crate) depend: IdxSized<SessionCollectionRow>,
}
pub struct SessionRelation {
pub(crate) key_names: IdxBinary,
pub(crate) rows: SessionRelationRows,
}
impl SessionRelation {
pub fn new(session_dir: &str) -> Self {
let relation_dir = session_dir.to_string() + "/relation/";
if !std::path::Path::new(&relation_dir).exists() {
std::fs::create_dir_all(&relation_dir).unwrap();
}
Self {
key_names: IdxBinary::new(&(relation_dir.to_string() + "/key_name")).unwrap(),
rows: SessionRelationRows {
key: IdxSized::new(&(relation_dir.to_string() + "/key.i")).unwrap(),
session_row: IdxSized::new(&(relation_dir.to_string() + "/session_row.i")).unwrap(),
depend: IdxSized::new(&(relation_dir.to_string() + "/depend.i")).unwrap(),
},
}
}
pub fn insert(&mut self, relation_key: &str, session_row: u32, depend: SessionCollectionRow) {
if let Ok(key_id) = self.key_names.entry(relation_key.as_bytes()) {
self.rows.key.insert(key_id).unwrap();
self.rows.session_row.insert(session_row).unwrap();
self.rows.depend.insert(depend).unwrap();
}
}
pub fn from_session_row(&mut self, session_row: u32, new_session_row: u32) {
for session_relation_row in self.rows.session_row.select_by_value(&session_row).iter() {
if let (Some(key), Some(depend)) = (
self.rows.key.value(*session_relation_row),
self.rows.depend.value(*session_relation_row),
) {
self.rows.key.insert(key).unwrap();
self.rows.session_row.insert(new_session_row).unwrap();
self.rows.depend.insert(depend).unwrap();
}
}
}
}