public void Using <TFactory>(TFactory factory) where TFactory : class
{
var factoryInfo = ConfiguredLambdaInfo.ForFunc(factory, typeof(TSource), typeof(TTarget));
if (factoryInfo == null)
{
var contextTypeName = typeof(IMappingData <TSource, TTarget>).GetFriendlyName();
var sourceTypeName = typeof(TSource).GetFriendlyName();
var targetTypeName = typeof(TTarget).GetFriendlyName();
var objectTypeName = typeof(TObject).GetFriendlyName();
string[] validSignatures =
{
"Func<" + objectTypeName + ">",
$"Func<{contextTypeName}, {objectTypeName}>",
$"Func<{sourceTypeName}, {targetTypeName}, {objectTypeName}>",
$"Func<{sourceTypeName}, {targetTypeName}, int?, {objectTypeName}>"
};
throw new MappingConfigurationException(string.Format(
CultureInfo.InvariantCulture,
"Unable to create objects of type {0} using factory {1}: valid function signatures are {2}",
objectTypeName,
factory,
string.Join(", ", validSignatures)));
}
var objectFactory = ConfiguredObjectFactory.For(_configInfo, typeof(TObject), factoryInfo);
_configInfo.MapperContext.UserConfigurations.Add(objectFactory);
}
public CustomDataSourceTargetMemberSpecifier <TSource, TTarget> Map <TSourceValue>(TSourceValue value)
{
var valueLambdaInfo = ConfiguredLambdaInfo.ForFunc(value, typeof(TSource), typeof(TTarget));
return((valueLambdaInfo != null)
? new CustomDataSourceTargetMemberSpecifier <TSource, TTarget>(
_configInfo.ForSourceValueType(valueLambdaInfo.ReturnType),
valueLambdaInfo)
: GetConstantValueTargetMemberSpecifier(value));
}
private CustomDataSourceTargetMemberSpecifier <TSource, TTarget> GetConstantValueTargetMemberSpecifier <TSourceValue>(
TSourceValue value)
{
var valueLambdaInfo = ConfiguredLambdaInfo.ForFunc(value, typeof(TSource), typeof(TTarget));
if (valueLambdaInfo != null)
{
return(new CustomDataSourceTargetMemberSpecifier <TSource, TTarget>(
ConfigInfo.ForSourceValueType(valueLambdaInfo.ReturnType),
valueLambdaInfo));
}
#if NET35
var valueConstant = Expression.Constant(value, typeof(TSourceValue));
#else
var valueConstant = value.ToConstantExpression();
#endif
var valueLambda = Expression.Lambda <Func <TSourceValue> >(valueConstant);
return(new CustomDataSourceTargetMemberSpecifier <TSource, TTarget>(
ConfigInfo.ForSourceValueType(valueConstant.Type),
valueLambda));
}