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use std::collections::HashMap;
use gchemol_gut::prelude::*;
use serde::{de::DeserializeOwned, Deserialize, Serialize};
use serde_json;
#[derive(Debug, Clone, Deserialize, Serialize, Default)]
pub struct PropertyStore {
data: HashMap<String, String>,
}
impl PropertyStore {
pub fn contains_key(&self, key: &str) -> bool {
self.data.contains_key(key)
}
pub fn load<D: DeserializeOwned>(&self, key: &str) -> Result<D> {
if let Some(serialized) = self.data.get(key) {
let d = serde_json::from_str(&serialized)
.with_context(|| format!("Failed to deserialize data for key {:?}", key))?;
Ok(d)
} else {
bail!("Failed to get property with key {:?}", key)
}
}
pub fn store<D: Serialize>(&mut self, key: &str, value: D) {
let serialized = serde_json::to_string(&value).unwrap();
self.data.insert(key.into(), serialized);
}
pub fn discard(&mut self, key: &str) {
self.data.remove(key);
}
}
#[test]
fn test_atom_store() {
let mut x = PropertyStore::default();
let d = [1, 2, 3];
x.store("k", d);
let x: [usize; 3] = x.load("k").unwrap();
assert_eq!(d, x);
}