/// <summary>
/// Extracts a type from another type and returns the result of the operation.
/// </summary>
/// <param name="parameters">Parameters to the operation.</param>
/// <returns>Result of the operation.</returns>
public ExtractTypeResult ExtractType(ExtractTypeParameters parameters)
{
parameters.Validate();
var sourceType = parameters.SourceType;
var result = new ExtractTypeResult();
sourceType.Accept(CreateVisitor(parameters, result));
if (result.Success) {
if (parameters.AddTypeStrategy == AddTypeStrategy.AddAsNested) {
sourceType.NestedTypes.Add(result.TargetType);
}
}
return result;
}
/// <summary>
/// Creates a new instance of this class.
/// </summary>
/// <param name="parameters">Parameters to the extraction.</param>
/// <param name="result">Result of the extraction.</param>
public ExtractStateClassVisitor(ExtractTypeParameters parameters, ExtractTypeResult result)
: base(parameters, result)
{
}
/// <summary>
/// Creates the visitor necessary to extract the state class from a role class.
/// </summary>
/// <param name="parameters">Parameters for the extraction.</param>
/// <param name="result">Result of the extraction.</param>
/// <returns>The visitor for the extraction.</returns>
protected override ITypeVisitor CreateVisitor(ExtractTypeParameters parameters, ExtractTypeResult result)
{
return new ExtractStateClassVisitor(parameters, result);
}
/// <summary>
/// Creates a new instance of this class.
/// </summary>
/// <param name="parameters">Parameters to the type extraction.</param>
/// <param name="result">Result of the type extraction.</param>
/// <remarks>
/// This class will visit the source type in the <paramref name="parameters"/>,
/// and extract a target type that will be stored in the <paramref name="result"/>.
/// </remarks>
protected ExtractTypeMutatorVisitor(ExtractTypeParameters parameters, ExtractTypeResult result)
{
Parameters = parameters;
Result = result;
}
/// <summary> /// Creates a <see cref="ITypeVisitor"/> that will visit the source type given in the /// <paramref name="parameters"/> and extract the target type, which will be set in the /// <paramref name="result"/> /// </summary> /// <param name="parameters">Parameters to the type extraction.</param> /// <param name="result">Result of the type extraction.</param> /// <returns>Visitor that performs the type extraction.</returns> /// <remarks> /// Use the class <see cref="ExtractTypeMutatorVisitor"/> as a base to easily create a /// visitor. /// </remarks> protected abstract ITypeVisitor CreateVisitor(ExtractTypeParameters parameters, ExtractTypeResult result);