private IMapCompiler GetCompilerInternal()
{
if (_scalarMapCompilers.Count == 0)
{
throw MapCompilerException.NoScalarMapCompilers();
}
return(new MapCompiler(_scalarMapCompilers));
}
public void SetConstructorFinder(IConstructorFinder finder)
{
if (Mapper != null)
{
throw MapCompilerException.MapAndCompilerSpecified();
}
if (ConstructorFinder != null)
{
throw new InvalidOperationException("Attempt to specify two constructor finders. You may only have one constructor finder per map attempt.");
}
ConstructorFinder = finder;
}
public ConstructorInfo GetConstructor(ISpecificTypeSettings settings)
{
var columnNameCounts = _columnNames.ToDictionary(k => k.Key, k => k.Value.Count);
// If there are no settings configured, the settings.Type may default to typeof(object)
// which is clearly not what we want. If we detect that situation, fall back to
// TargetType
var type = settings.Type == typeof(object) || settings.Type == null ? TargetType : settings.Type;
if (type.IsAbstract || type.IsInterface)
{
throw MapCompilerException.UnconstructableAbstractType(type);
}
return((settings.ConstructorFinder ?? BestMatchConstructorFinder.GetDefaultInstance())
.FindBestMatch(_context.Provider, settings.Constructor, type, columnNameCounts));
}