/// <summary>
/// Retrieves the set of <see cref="EntityData"/> data objects for all the entities
/// belonging to the specified context.
/// </summary>
/// <remarks>
/// The primary purpose of this method is lazy loading. The view model will ask for
/// these only when it needs them. It allows us to defer examining metadata until
/// we absolutely need it, which could be a large performance win when multiple
/// contexts are available.
/// </remarks>
/// <param name="contextData">The <see cref="ContextData"/> to use to locate
/// the respective <see cref="BusinessLogicContext"/>.</param>
/// <returns>The set of <see cref="EntityData"/> objects for the given context.</returns>
public IEntityData[] GetEntityDataItemsForContext(IContextData contextData)
{
IBusinessLogicContext context = this._contexts[contextData.ID];
List <IBusinessLogicEntity> entities = (context == null) ? new List <IBusinessLogicEntity>() : context.Entities.ToList();
return(entities.Select <IBusinessLogicEntity, IEntityData>(ble => ble.EntityData).ToArray());
}
public bool IsMetadataGenerationRequired(IContextData contextData)
{
IBusinessLogicContext context = this._contexts.SingleOrDefault(c => c.ContextData.ID == contextData.ID);
return((context) != null
? context.NeedToGenerateMetadataClasses
: false);
}
/// <summary>
/// Generates the source code for the metadata class for the given context.
/// </summary>
/// <param name="contextData">The <see cref="ContextData"/> to use to locate the appropriate <see cref="BusinessLogicContext"/>.</param>
/// <param name="rootNamespace">The root namespace (VB).</param>
/// <param name="optionalSuffix">If nonblank, the suffix to append to namespace and class names for testing</param>
/// <returns>A value containing the generated source code and necessary references.</returns>
public IGeneratedCode GenerateMetadataClasses(IContextData contextData, string rootNamespace, string optionalSuffix)
{
IBusinessLogicContext context = this._contexts.Single(c => c.ContextData.ID == contextData.ID);
return((context) != null
? context.GenerateMetadataClasses(this.Language, rootNamespace, optionalSuffix)
: new GeneratedCode(string.Empty, new string[0]));
}
/// <summary>
/// Generates source code for the specified context.
/// </summary>
/// <param name="contextData">The <see cref="ContextData"/> to use to locate the appropriate <see cref="BusinessLogicContext"/>.</param>
/// <param name="className">The name of the class.</param>
/// <param name="namespaceName">The namespace to use for the class.</param>
/// <param name="rootNamespace">The root namespace (VB).</param>
/// <returns>A value containing the generated source code and necessary references.</returns>
public IGeneratedCode GenerateBusinessLogicClass(IContextData contextData, string className, string namespaceName, string rootNamespace)
{
IBusinessLogicContext context = this._contexts.SingleOrDefault(c => c.ContextData.ID == contextData.ID);
return(context != null
? context.GenerateBusinessLogicClass(this.Language, className, namespaceName, rootNamespace)
: new GeneratedCode());
}
/// <summary>
/// Initializes a new instance of the <see cref="BusinessLogicEntity"/> class.
/// </summary>
/// <param name="businessLogicContext">The context that owns this entity. It cannot be null.</param>
/// <param name="name">The name of the entity as it will appear in the UI</param>
/// <param name="type">The CLR type of the entity as it will be used in code gen</param>
public BusinessLogicEntity(IBusinessLogicContext businessLogicContext, string name, Type type)
{
this._businessLogicContext = businessLogicContext;
this._name = name;
this._type = type;
}
/// <summary>
/// Initializes a new instance of the <see cref="BusinessLogicEntity"/> class.
/// </summary>
/// <param name="businessLogicContext">The context that owns this entity. It cannot be null.</param>
/// <param name="name">The name of the entity as it will appear in the UI</param>
/// <param name="type">The CLR type of the entity as it will be used in code gen</param>
public BusinessLogicEntity(IBusinessLogicContext businessLogicContext, string name, Type type)
{
this._businessLogicContext = businessLogicContext;
this._name = name;
this._type = type;
}
