62 lines
4.0 KiB
Markdown
62 lines
4.0 KiB
Markdown
---
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source_files:
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- DataPRO/Modules/Database/DatabaseServices/Properties/Settings.Designer.cs
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- DataPRO/Modules/Database/DatabaseServices/Properties/AssemblyInfo.cs
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generated_at: "2026-04-16T04:35:58.384112+00:00"
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model: "Qwen/Qwen3-Coder-Next-FP8"
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schema_version: 1
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sha256: "a47b7825dcdbbbb0"
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---
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# Properties
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## Documentation Page: `DatabaseServices.Properties.Settings`
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---
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### 1. **Purpose**
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This module defines the auto-generated settings class `Settings` for the `DatabaseServices` assembly. It provides a strongly-typed, thread-safe accessor (`Default`) to application-level configuration settings stored in the standard .NET configuration system (e.g., `app.config` or `web.config`). Its role is to abstract access to persisted settings values, enabling type-safe retrieval without manual parsing or casting. It does *not* define any settings itself—only the infrastructure to access them—meaning actual settings keys and values must be defined elsewhere (e.g., via Visual Studio’s Settings designer or `app.config`).
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---
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### 2. **Public Interface**
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The module exposes a single internal, auto-generated class:
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- **`class Settings : ApplicationSettingsBase`**
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- **`public static Settings Default { get; }`**
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Returns the singleton instance of `Settings`, synchronized for thread safety via `ApplicationSettingsBase.Synchronized`. This is the *only* public member exposed.
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> ⚠️ **Note**: The class is `internal`, so `Default` is only accessible within the `DatabaseServices` assembly. External consumers cannot directly reference this class.
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---
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### 3. **Invariants**
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- The `Default` property always returns a non-null reference (initialized lazily and synchronized).
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- The class is `sealed` and `partial`, indicating it is not designed for inheritance or manual extension.
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- Thread-safety is guaranteed *only for the `Default` accessor* (via `Synchronized`), but not necessarily for individual property accesses on the returned instance (e.g., `Settings.Default.MySetting` is not inherently thread-safe beyond the initial retrieval of `Default`).
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- Settings values themselves are not validated or constrained by this class—validation (if any) occurs at the configuration layer or in consuming code.
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---
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### 4. **Dependencies**
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- **Depends on**:
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- `System.Configuration` (specifically `ApplicationSettingsBase`, `CompilerGeneratedAttribute`, `GeneratedCodeAttribute`).
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- `System.Runtime.CompilerServices` (for `CompilerGeneratedAttribute`).
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- **Depended upon by**:
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- Other classes in the `DatabaseServices` assembly (e.g., data access layers) that require configuration values (e.g., connection strings, timeouts).
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- *Not* exposed to external assemblies due to `internal` visibility.
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- **Assembly metadata** (from `AssemblyInfo.cs`):
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- Assembly name: `DatabaseServices`
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- GUID: `f1a366bc-6128-4c10-be7f-f62628895d8f`
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- Version: `1.0.0.0`
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- `ComVisible(false)` → not exposed to COM.
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---
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### 5. **Gotchas**
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- **No settings defined here**: This file *only* scaffolds the settings infrastructure. Actual settings (e.g., `ConnectionString`, `CommandTimeout`) must be defined in `Settings.settings` (designer) or `app.config`. If these are missing, accessing `Settings.Default` will succeed, but property access (e.g., `Settings.Default.MyProp`) will throw a `ConfigurationErrorsException` at runtime.
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- **Auto-generated**: Manual edits will be overwritten on rebuild (per the `auto-generated` header).
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- **Internal visibility**: External consumers cannot use `Settings.Default` directly. They must rely on `DatabaseServices` to expose settings via its public API (e.g., a wrapper method).
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- **Thread-safety nuance**: While `Default` is thread-safe, *reading/writing settings values* from multiple threads may require additional synchronization if mutable settings are used (though `ApplicationSettingsBase` typically treats settings as read-only after initialization).
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- **No documentation comments**: The class lacks XML documentation, making it harder to infer intended usage without external context.
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None identified beyond these. |