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43 lines
1.1 KiB
43 lines
1.1 KiB
/// Provides utilites for storing and retrieving various named string tokens which are needed.
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use crate::error::unexpected;
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use std::{collections, sync};
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pub trait Store {
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fn get(&self, key: &str) -> unexpected::Result<Option<String>>;
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fn set(&self, key: String, val: String) -> unexpected::Result<()>;
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fn del(&self, key: &str) -> unexpected::Result<()>;
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}
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pub struct MemStore {
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m: sync::Mutex<collections::HashMap<String, String>>,
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}
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impl MemStore {
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pub fn new() -> MemStore {
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MemStore {
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m: sync::Mutex::default(),
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}
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}
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}
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impl Default for MemStore {
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fn default() -> Self {
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Self::new()
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}
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}
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impl Store for MemStore {
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fn get(&self, key: &str) -> unexpected::Result<Option<String>> {
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Ok(self.m.lock().unwrap().get(key).map(|s| s.to_string()))
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}
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fn set(&self, key: String, val: String) -> unexpected::Result<()> {
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self.m.lock().unwrap().insert(key, val);
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Ok(())
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}
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fn del(&self, key: &str) -> unexpected::Result<()> {
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self.m.lock().unwrap().remove(key);
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Ok(())
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}
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}
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