223 lines
5.7 KiB
Markdown
223 lines
5.7 KiB
Markdown
# Story 10.5: Migration et Dépréciation des Anciens Types
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**Epic:** 10 - Enhanced Boundary Conditions
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**Priorité:** P1-HIGH
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**Estimation:** 2h
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**Statut:** backlog
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**Dépendances:** Stories 10-2, 10-3, 10-4
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---
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## Story
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> En tant que développeur de la librairie Entropyk,
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> Je veux déprécier les anciens types `FlowSource` et `FlowSink` avec un guide de migration,
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> Afin de garantir une transition en douceur pour les utilisateurs existants.
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---
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## Contexte
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Les types `FlowSource` et `FlowSink` existants doivent être progressivement remplacés par les nouveaux types typés:
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| Ancien Type | Nouveau Type |
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|-------------|--------------|
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| `FlowSource::incompressible("Water", ...)` | `BrineSource::water(...)` |
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| `FlowSource::incompressible("MEG", ...)` | `BrineSource::glycol_mixture("MEG", ...)` |
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| `FlowSource::compressible("R410A", ...)` | `RefrigerantSource::new("R410A", ...)` |
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| `FlowSink::incompressible(...)` | `BrineSink::water(...)` ou `BrineSink::glycol_mixture(...)` |
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| `FlowSink::compressible(...)` | `RefrigerantSink::new(...)` |
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---
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## Spécifications Techniques
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### 1. Ajouter Attributs de Dépréciation
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```rust
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// crates/components/src/flow_boundary.rs
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#[deprecated(
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since = "0.2.0",
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note = "Use RefrigerantSource or BrineSource instead. \
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See migration guide in docs/migration/boundary-conditions.md"
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)]
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pub struct FlowSource { /* ... */ }
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#[deprecated(
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since = "0.2.0",
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note = "Use RefrigerantSink or BrineSink instead. \
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See migration guide in docs/migration/boundary-conditions.md"
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)]
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pub struct FlowSink { /* ... */ }
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```
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### 2. Mapper les Anciens Constructeurs
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```rust
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impl FlowSource {
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#[deprecated(
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since = "0.2.0",
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note = "Use BrineSource::water() for water or BrineSource::glycol_mixture() for glycol"
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)]
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pub fn incompressible(
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fluid: impl Into<String>,
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p_set_pa: f64,
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h_set_jkg: f64,
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outlet: ConnectedPort,
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) -> Result<Self, ComponentError> {
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// Log de warning
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log::warn!(
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"FlowSource::incompressible is deprecated. \
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Use BrineSource::water() or BrineSource::glycol_mixture() instead."
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);
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// Créer le type approprié en interne
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let fluid = fluid.into();
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if fluid == "Water" {
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// Déléguer vers BrineSource::water()
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} else {
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// Déléguer vers BrineSource::glycol_mixture()
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}
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}
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#[deprecated(
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since = "0.2.0",
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note = "Use RefrigerantSource::new() instead"
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)]
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pub fn compressible(
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fluid: impl Into<String>,
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p_set_pa: f64,
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h_set_jkg: f64,
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outlet: ConnectedPort,
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) -> Result<Self, ComponentError> {
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log::warn!(
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"FlowSource::compressible is deprecated. \
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Use RefrigerantSource::new() instead."
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);
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// ...
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}
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}
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```
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### 3. Créer le Guide de Migration
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```markdown
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# docs/migration/boundary-conditions.md
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# Migration Guide: Boundary Conditions
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## Overview
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The `FlowSource` and `FlowSink` types have been replaced with typed alternatives:
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- `RefrigerantSource` / `RefrigerantSink` - for refrigerants
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- `BrineSource` / `BrineSink` - for liquid heat transfer fluids
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- `AirSource` / `AirSink` - for humid air
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## Migration Examples
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### Water Source (Before)
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\`\`\`rust
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let source = FlowSource::incompressible("Water", 3.0e5, 63_000.0, port)?;
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\`\`\`
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### Water Source (After)
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\`\`\`rust
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let source = BrineSource::water(
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Temperature::from_celsius(15.0),
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Pressure::from_pascals(3.0e5),
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port
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)?;
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\`\`\`
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### Refrigerant Source (Before)
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\`\`\`rust
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let source = FlowSource::compressible("R410A", 10.0e5, 280_000.0, port)?;
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\`\`\`
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### Refrigerant Source (After)
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\`\`\`rust
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let source = RefrigerantSource::new(
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"R410A",
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Pressure::from_pascals(10.0e5),
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Enthalpy::from_joules_per_kg(280_000.0),
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port
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)?;
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\`\`\`
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## Benefits of New Types
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1. **Type Safety**: Fluid type is explicit in the type name
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2. **Concentration Support**: BrineSource supports glycol concentration
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3. **Vapor Quality**: RefrigerantSource supports vapor quality input
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4. **Psychrometrics**: AirSource supports humidity and wet bulb temperature
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\`\`\`
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```
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---
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## Fichiers à Modifier
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| Fichier | Action |
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|---------|--------|
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| `crates/components/src/flow_boundary.rs` | Ajouter attributs `#[deprecated]` |
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| `docs/migration/boundary-conditions.md` | Créer guide de migration |
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| `CHANGELOG.md` | Documenter les changements breaking |
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---
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## Critères d'Acceptation
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- [ ] `FlowSource` marqué `#[deprecated]` avec message explicite
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- [ ] `FlowSink` marqué `#[deprecated]` avec message explicite
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- [ ] Type aliases `IncompressibleSource`, etc. également dépréciés
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- [ ] Guide de migration créé avec exemples
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- [ ] CHANGELOG mis à jour
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- [ ] Tests existants passent toujours (rétrocompatibilité)
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---
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## Tests Requis
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```rust
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#[cfg(test)]
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mod tests {
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#[test]
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fn test_deprecated_flow_source_still_works() {
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// Vérifier que les anciens types fonctionnent encore
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// (avec warning de dépréciation)
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}
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#[test]
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fn test_migration_water_source() {
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// Vérifier que le nouveau type donne les mêmes résultats
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}
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#[test]
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fn test_migration_refrigerant_source() {
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// Vérifier que le nouveau type donne les mêmes résultats
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}
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}
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```
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---
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## Timeline de Suppression
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| Version | Action |
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|---------|--------|
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| 0.2.0 | Dépréciation avec warnings |
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| 0.3.0 | Les anciens types sont cachés par défaut (feature flag) |
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| 1.0.0 | Suppression complète des anciens types |
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---
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## Références
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- [Architecture Document](../../plans/boundary-condition-refactoring-architecture.md)
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- [Epic 10](../planning-artifacts/epic-10-enhanced-boundary-conditions.md)
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