---
source_files:
  - Common/DTS.Common/Base/Model/BaseModel.cs
generated_at: "2026-04-16T03:28:03.611960+00:00"
model: "Qwen/Qwen3-Coder-Next-FP8"
schema_version: 1
sha256: "8eb3b4d63e76d9ee"
---

# Model

## Documentation: `BaseModel<TModel>` Class

### 1. Purpose  
`BaseModel<TModel>` is an abstract base class intended to provide foundational functionality for model objects within the DTS system. It encapsulates a generic `Model` property (of type `TModel`) and tracks whether the model instance has been persisted (via the `IsSaved` flag). It inherits from `BasePropertyChanged`, implying support for property change notifications (e.g., for UI binding), and implements `IBaseModel`, suggesting integration with a broader model abstraction layer. Its primary role is to standardize model representation and persistence state tracking across derived model types.

### 2. Public Interface  

- **`public TModel Model { get; set; }`**  
  Gets or sets the underlying model object. This is the core data container the `BaseModel<TModel>` wraps.

- **`public bool IsSaved { get; private set; }`**  
  Gets a boolean indicating whether the model has been saved (e.g., to a database or other persistent store). The setter is `private`, meaning only the class itself (or derived classes via base access) can update this flag—typically after a successful save operation.

- **`public BaseModel()`**  
  Public parameterless constructor. Allows instantiation of concrete derived classes. Note: Although the class is `abstract`, the constructor is public—this is a known pattern in C# for abstract classes to enable derived-class initialization.

### 3. Invariants  
- `Model` may be `null` unless constrained by derived implementations (no explicit null-checking or initialization is present in this base class).  
- `IsSaved` starts as `false` by default (C# default for `bool`) and can only be set to `true` internally (e.g., by derived classes or the base class itself).  
- `BaseModel<TModel>` enforces that `TModel` must be a reference type (`class`), as specified by the generic constraint.

### 4. Dependencies  
- **Inherits from**: `BasePropertyChanged` — implies reliance on a custom property change notification infrastructure (likely implementing `INotifyPropertyChanged` or similar).  
- **Implements**: `IBaseModel` — suggests a contract interface defined elsewhere in the codebase (not shown here).  
- **No external NuGet or framework dependencies** are evident from this file alone (aside from standard .NET types like `System` implicitly used by `bool`, `class`, etc.).  
- **Used by**: Any concrete model class that derives from `BaseModel<TModel>`. Likely consumed by data persistence services, view models, or UI layers that rely on `IBaseModel`.

### 5. Gotchas  
- The constructor is `public` despite the class being `abstract`. While valid in C#, this may mislead developers into attempting direct instantiation (which would fail at compile time due to `abstract`). Ensure documentation clarifies that only derived classes may be instantiated.  
- `IsSaved` has no public setter, but no corresponding `MarkAsSaved()` or similar method is exposed—derived classes must manage this state internally (e.g., via internal methods or direct assignment in constructors). This could lead to inconsistent state if not handled carefully.  
- No validation or lifecycle hooks (e.g., `OnSaving`, `OnSaved`) are defined in this base class. Persistence logic must be implemented in derived classes.  
- The commented-out `//DependencyObject` suggests past or potential future integration with WPF’s dependency property system, but no such dependency is active in the current implementation.  
- **None identified from source alone** regarding behavioral quirks beyond the above structural observations.