melodium_engine/building/
contextual_environment.rs

1use melodium_common::executive::{Context, TrackId, Value};
2use std::collections::HashMap;
3use std::sync::Arc;
4
5#[derive(Debug, Clone)]
6pub struct ContextualEnvironment {
7    track_id: TrackId,
8    contexts: HashMap<String, Arc<dyn Context>>,
9    // Variables determined at track creation, coming from some processing involving context
10    variables: HashMap<String, Value>,
11}
12
13impl ContextualEnvironment {
14    pub fn new(track_id: TrackId) -> Self {
15        Self {
16            track_id,
17            variables: HashMap::new(),
18            contexts: HashMap::new(),
19        }
20    }
21
22    pub fn base_on(&self) -> Self {
23        Self {
24            track_id: self.track_id,
25            variables: HashMap::new(),
26            contexts: self.contexts.clone(),
27        }
28    }
29
30    pub fn track_id(&self) -> TrackId {
31        self.track_id
32    }
33
34    pub fn add_variable(&mut self, name: &str, value: Value) {
35        self.variables.insert(name.to_string(), value);
36    }
37
38    pub fn get_variable(&self, name: &str) -> Option<&Value> {
39        self.variables.get(name)
40    }
41
42    pub fn variables(&self) -> &HashMap<String, Value> {
43        &self.variables
44    }
45
46    pub fn add_context(&mut self, name: &str, context: Arc<dyn Context>) {
47        self.contexts.insert(name.to_string(), context);
48    }
49
50    pub fn get_context(&self, name: &str) -> Option<&Arc<dyn Context>> {
51        self.contexts.get(name)
52    }
53
54    pub fn contexts(&self) -> &HashMap<String, Arc<dyn Context>> {
55        &self.contexts
56    }
57}
melodium_engine/building/contextual_environment.rs

melodium_engine/building/
contextual_environment.rs
