public TN Map <T, TN>(T src, TN dest = default(TN))
{
var srcType = typeof(T);
var destType = typeof(TN);
var cacheKey = CalculateCacheKey(srcType, destType);
if (CustomMappers.ContainsKey(cacheKey))
{
var customTypeMapper = CustomMappers[cacheKey];
var typeMapper = customTypeMapper() as ICustomTypeMapper <T, TN>;
var context = new DefaultMappingContext <T, TN> {
Source = src, Destination = dest
};
return(typeMapper.Map(context));
}
var mappingService = EqualityComparer <TN> .Default.Equals(dest, default(TN)) ? SourceService : DestinationService;
if (mappingService.TypeMappers.ContainsKey(cacheKey))
{
if (EqualityComparer <T> .Default.Equals(src, default(T)))
{
return(default(TN));
}
var mapper = mappingService.TypeMappers[cacheKey] as ITypeMapper <T, TN>;
return(mapper != null
? mapper.MapTo(src, dest)
: default(TN));
}
var tCol =
typeof(T).GetInterfaces()
.FirstOrDefault(t => t.IsGenericType && t.GetGenericTypeDefinition() == GenericEnumerableType) ??
(typeof(T).IsGenericType &&
typeof(T).GetInterfaces().Any(t => t == typeof(IEnumerable)) ? typeof(T)
: null);
var tnCol = typeof(TN).GetInterfaces()
.FirstOrDefault(t => t.IsGenericType && t.GetGenericTypeDefinition() == GenericEnumerableType) ??
(typeof(TN).IsGenericType && typeof(TN).GetInterfaces().Any(t => t == typeof(IEnumerable)) ? typeof(TN)
: null);
if (tCol == null || tnCol == null)
{
throw new MapNotImplementedException(
string.Format("There is no mapping has bee found. Source Type: {0}, Destination Type: {1}",
srcType.FullName, destType.FullName));
}
PrecompileCollection <T, TN>();
// todo: make same signature in both compiled funcs with destination
var result = (TN)(((EqualityComparer <TN> .Default.Equals(dest, default(TN)))
? SourceService.MapCollection(cacheKey).DynamicInvoke(src)
: DestinationService.MapCollection(cacheKey).DynamicInvoke(src, dest)));
return(result);
}
private object MapNonGenericInternal(Type srcType, Type dstType, object src, object dest = null)
{
var cacheKey = CalculateCacheKey(srcType, dstType);
if (CustomMappers.ContainsKey(cacheKey))
{
var customTypeMapper = CustomMappers[cacheKey];
var typeMapper = customTypeMapper();
if (!_customTypeMapperCache.ContainsKey(cacheKey))
{
CompileNonGenericCustomTypeMapper(srcType, dstType, typeMapper, cacheKey);
}
return(_customTypeMapperCache[cacheKey](src, dest));
}
var mappingService = dest == null ? SourceService : DestinationService;
if (mappingService.TypeMappers.ContainsKey(cacheKey))
{
if (src == null)
{
return(null);
}
var mapper = mappingService.TypeMappers[cacheKey];
var nonGenericMapFunc = mapper.GetNonGenericMapFunc();
return(nonGenericMapFunc(src, dest));
}
var tCol =
srcType.GetInterfaces()
.FirstOrDefault(t => t.IsGenericType && t.GetGenericTypeDefinition() == GenericEnumerableType) ??
(srcType.IsGenericType &&
srcType.GetInterfaces().Any(t => t == typeof(IEnumerable))
? srcType
: null);
var tnCol = dstType.GetInterfaces()
.FirstOrDefault(t => t.IsGenericType && t.GetGenericTypeDefinition() == GenericEnumerableType) ??
(dstType.IsGenericType && dstType.GetInterfaces().Any(t => t == typeof(IEnumerable))
? dstType
: null);
if (tCol != null && tnCol != null)
{
CompileNonGenericCollectionMapping(srcType, dstType);
// todo: make same signature in both compiled funcs with destination
var result = (dest == null
? _mappingServices.First(m => !m.DestinationSupport).MapCollection(cacheKey).DynamicInvoke(src)
: _mappingServices.First(m => m.DestinationSupport).MapCollection(cacheKey).DynamicInvoke(src, dest));
return(result);
}
throw new MapNotImplementedException(
string.Format("There is no mapping has bee found. Source Type: {0}, Destination Type: {1}", srcType.FullName,
dstType.FullName));
}
public void RegisterCustom <T, TN, TMapper>() where TMapper : ICustomTypeMapper <T, TN>
{
lock (_lock)
{
var src = typeof(T);
var dest = typeof(TN);
var cacheKey = CalculateCacheKey(src, dest);
if (CustomMappers.ContainsKey(cacheKey))
{
throw new InvalidOperationException(
$"Mapping from {src.FullName} to {dest.FullName} is already registered");
}
var newExpression = Expression.New(typeof(TMapper));
var newLambda = Expression.Lambda <Func <ICustomTypeMapper <T, TN> > >(newExpression);
var compile = newLambda.Compile();
CustomMappers[cacheKey] = compile;
}
}
public void RegisterCustom <T, TN>(Func <T, TN> mapFunc)
{
lock (_lock)
{
var src = typeof(T);
var dest = typeof(TN);
var cacheKey = CalculateCacheKey(src, dest);
if (CustomMappers.ContainsKey(cacheKey))
{
throw new InvalidOperationException(
$"Mapping from {src.FullName} to {dest.FullName} is already registered");
}
var delegateMapperType = typeof(DelegateCustomTypeMapper <,>).MakeGenericType(src, dest);
var newExpression =
Expression.New(
delegateMapperType.GetInfo().GetConstructor(new Type[] { typeof(Func <,>).MakeGenericType(src, dest) }),
Expression.Constant(mapFunc));
var newLambda = Expression.Lambda <Func <ICustomTypeMapper <T, TN> > >(newExpression);
var compile = newLambda.Compile();
CustomMappers.Add(cacheKey, compile);
}
}
private object MapNonGenericInternal(Type srcType, Type dstType, object src, object dest = null, bool dynamicTrial = false)
{
if (src == null)
{
return(null);
}
var cacheKey = CalculateCacheKey(srcType, dstType);
if (CustomMappers.ContainsKey(cacheKey))
{
var customTypeMapper = CustomMappers[cacheKey];
var typeMapper = customTypeMapper();
if (!_customTypeMapperCache.ContainsKey(cacheKey))
{
CompileNonGenericCustomTypeMapper(srcType, dstType, typeMapper, cacheKey);
}
return(_customTypeMapperCache[cacheKey](src, dest));
}
ITypeMapper mapper = null;
var actualSrcType = src.GetType();
if (srcType != actualSrcType && actualSrcType.GetInfo().IsAssignableFrom(srcType))
{
throw new InvalidCastException($"Your source object instance type '{actualSrcType.FullName}' is not assignable from source type you specified '{srcType}'.");
}
var srcHash = actualSrcType.GetHashCode();
if (dest != null)
{
var actualDstType = dest.GetType();
if (dstType != actualDstType && actualDstType.GetInfo().IsAssignableFrom(dstType))
{
throw new InvalidCastException($"Your destination object instance type '{actualSrcType.FullName}' is not assignable from destination type you specified '{srcType}'.");
}
if (CustomMappingsBySource.ContainsKey(srcHash))
{
var mappings = CustomMappingsBySource[srcHash];
mapper =
mappings.Where(m => DestinationService.TypeMappers.ContainsKey(m))
.Select(m => DestinationService.TypeMappers[m])
.FirstOrDefault(tm => tm.DestinationType == actualDstType);
}
}
else
{
if (CustomMappingsBySource.ContainsKey(srcHash))
{
var mappings = CustomMappingsBySource[srcHash];
var typeMappers =
mappings.Where(m => SourceService.TypeMappers.ContainsKey(m))
.Select(m => SourceService.TypeMappers[m])
.Where(m => dstType.GetInfo().IsAssignableFrom(m.DestinationType))
.ToList();
if (typeMappers.Count > 1)
{
if (typeMappers.All(tm => tm.DestinationType != dstType))
{
throw new AmbiguousMatchException(
$"Source '{actualSrcType.FullName}' has more than one destination types' mappings");
}
mapper = typeMappers.FirstOrDefault(tm => tm.DestinationType == dstType);
}
else
{
mapper = typeMappers.First();
}
}
}
var mappingService = dest == null ? SourceService : DestinationService;
if (mapper != null)
{
var nonGenericMapFunc = mapper.GetNonGenericMapFunc();
return(nonGenericMapFunc(src, dest));
}
if (mappingService.TypeMappers.ContainsKey(cacheKey))
{
mapper = mappingService.TypeMappers[cacheKey];
var nonGenericMapFunc = mapper.GetNonGenericMapFunc();
return(nonGenericMapFunc(src, dest));
}
var tCol =
srcType.GetInfo().GetInterfaces()
.FirstOrDefault(t => t.GetInfo().IsGenericType&& t.GetGenericTypeDefinition() == GenericEnumerableType) ??
(srcType.GetInfo().IsGenericType &&
srcType.GetInfo().GetInterfaces().Any(t => t == typeof(IEnumerable))
? srcType
: null);
var tnCol = dstType.GetInfo().GetInterfaces()
.FirstOrDefault(t => t.GetInfo().IsGenericType&& t.GetGenericTypeDefinition() == GenericEnumerableType) ??
(dstType.GetInfo().IsGenericType&& dstType.GetInfo().GetInterfaces().Any(t => t == typeof(IEnumerable))
? dstType
: null);
if (tCol != null && tnCol != null)
{
CompileNonGenericCollectionMapping(srcType, dstType);
// todo: make same signature in both compiled funcs with destination
var result = (dest == null
? _mappingServices.First(m => !m.DestinationSupport).MapCollection(cacheKey).DynamicInvoke(src)
: _mappingServices.First(m => m.DestinationSupport).MapCollection(cacheKey).DynamicInvoke(src, dest));
return(result);
}
if (dynamicTrial)
{
throw new MapNotImplementedException(
$"There is no mapping has been found. Source Type: {srcType.FullName}, Destination Type: {dstType.FullName}");
}
dynamic source = src;
dynamic destination = dest;
Register(source, destination);
return(MapNonGenericInternal(srcType, dstType, src, dest, true));
}