private static PropertyMapper GenerateDelegate(Type sourceType, Type targetType)
{
var method = new DynamicMethod("Map_" + sourceType.FullName + "_" + targetType.FullName, null, new[] { typeof(object), typeof(object) }, true);
var il = method.GetILGenerator();
var sourceProperties = Reflector.GetAllProperties(sourceType);
var targetProperties = Reflector.GetAllProperties(targetType);
var entityMap = MappingFactory.GetEntityMap(targetType);
var matches = sourceProperties.CrossJoin(targetProperties).Where(t => (t.Item2.Name == t.Item3.Name || t.Item2.Name == MappingFactory.GetPropertyOrColumnName(t.Item3, false, entityMap, false)) &&
t.Item2.PropertyType == t.Item3.PropertyType &&
t.Item2.PropertyType.IsPublic &&
t.Item3.PropertyType.IsPublic
//&& (t.Item3.PropertyType.IsValueType || t.Item3.PropertyType == typeof(string))
&& t.Item2.CanRead && t.Item3.CanWrite);
foreach (var match in matches)
{
il.Emit(OpCodes.Ldarg_1);
il.EmitCastToReference(targetType);
il.Emit(OpCodes.Ldarg_0);
il.EmitCastToReference(sourceType);
il.Emit(OpCodes.Callvirt, match.Item2.GetGetMethod());
il.Emit(OpCodes.Callvirt, match.Item3.GetSetMethod());
}
il.Emit(OpCodes.Ret);
var mapper = (PropertyMapper)method.CreateDelegate(typeof(PropertyMapper));
return(mapper);
}
static PropertyCache()
{
var cachedProperties = PrepareAllProperties <T>();
Properties = new ReadOnlyDictionary <string, PropertyInfo>(cachedProperties.ToDictionary(p => p.Key, p => p.Value.Item1));
Positions = new ReadOnlyDictionary <string, int>(cachedProperties.ToDictionary(p => p.Key, p => p.Value.Item2));
var map = MappingFactory.GetEntityMap(typeof(T));
if (map != null)
{
var reflectedProperties = map.Properties.ToDictionary(p => p.Property.PropertyName, p => p.Property);
Map = new ReadOnlyDictionary <PropertyInfo, ReflectedProperty>(Properties.Values.ToDictionary(p => p, p =>
{
ReflectedProperty r;
if (!reflectedProperties.TryGetValue(p.Name, out r))
{
r = new ReflectedProperty(p, cachedProperties[p.Name].Item2);
}
return(r);
}));
}
else
{
Map = new ReadOnlyDictionary <PropertyInfo, ReflectedProperty>(Properties.Values.ToDictionary(p => p, p => new ReflectedProperty(p, cachedProperties[p.Name].Item2)));
}
NameMap = new ReadOnlyDictionary <string, ReflectedProperty>(Map.ToDictionary(p => p.Key.Name, p => p.Value));
}
public static async Task <OperationResponse> DeleteAsync <T>(Param[] parameters, string connectionName = null, bool captureException = false, string schema = null, DbConnection connection = null, IConfiguration config = null)
where T : class
{
config ??= ConfigurationFactory.Get <T>();
var request = new OperationRequest {
Parameters = parameters, ReturnType = OperationReturnType.NonQuery, ConnectionName = connectionName, Connection = connection, CaptureException = captureException, Configuration = config
};
if (config.GenerateDeleteSql)
{
string softDeleteColumn = null;
var map = MappingFactory.GetEntityMap <T>();
if (map != null)
{
softDeleteColumn = map.SoftDeleteColumnName;
}
if (softDeleteColumn == null)
{
var attr = Reflector.GetAttribute <T, TableAttribute>();
if (attr != null)
{
softDeleteColumn = attr.SoftDeleteColumn;
}
}
var partition = parameters.Partition(p => p.IsPrimaryKey);
// if p.IsPrimaryKey is not set then
// we need to infer it from reflected property
if (partition.Item1.Count == 0)
{
var propertyMap = Reflector.GetPropertyMap <T>();
var pimaryKeySet = propertyMap.Values.Where(p => p.IsPrimaryKey).ToDictionary(p => p.ParameterName ?? p.PropertyName, p => p.MappedColumnName);
partition = parameters.Partition(p =>
{
if (pimaryKeySet.TryGetValue(p.Name, out var column))
{
p.Source = column;
p.IsPrimaryKey = true;
return(true);
}
return(false);
});
}
request.Operation = SqlBuilder.GetDeleteStatement(typeof(T), partition.Item1, request.Connection != null ? DialectFactory.GetProvider(request.Connection) : DialectFactory.GetProvider(request.ConnectionName ?? config.DefaultConnectionName, config), softDeleteColumn);
request.OperationType = OperationType.Sql;
}
else
{
request.Operation = OperationDelete;
request.OperationType = OperationType.StoredProcedure;
request.SchemaName = schema;
}
var response = await ExecuteAsync <T>(request).ConfigureAwait(false);
return(response);
}
internal static string GetTableNameForSql(Type objectType, DialectProvider dialect)
{
if (Reflector.IsEmitted(objectType))
{
objectType = Reflector.GetInterface(objectType);
}
if (AllTables.TryGetValue(Tuple.Create(objectType, dialect), out var tableName))
{
return(tableName);
}
var map = MappingFactory.GetEntityMap(objectType);
if (map != null)
{
tableName = dialect.IdentifierEscapeStartCharacter + map.TableName + dialect.IdentifierEscapeEndCharacter;
if (!string.IsNullOrEmpty(map.SchemaName))
{
tableName = dialect.IdentifierEscapeStartCharacter + map.SchemaName + dialect.IdentifierEscapeEndCharacter + "." + tableName;
}
}
if (tableName == null)
{
var attr = Reflector.GetAttribute <TableAttribute>(objectType);
if (attr != null)
{
tableName = dialect.IdentifierEscapeStartCharacter + attr.Name + dialect.IdentifierEscapeEndCharacter;
if (!string.IsNullOrEmpty(attr.SchemaName))
{
tableName = dialect.IdentifierEscapeStartCharacter + attr.SchemaName + dialect.IdentifierEscapeEndCharacter + "." + tableName;
}
}
}
if (tableName != null)
{
AllTables.TryAdd(Tuple.Create(objectType, dialect), tableName);
return(tableName);
}
tableName = objectType.Name;
if (objectType.IsInterface && tableName[0] == 'I')
{
tableName = tableName.Substring(1);
}
tableName = dialect.IdentifierEscapeStartCharacter + tableName + dialect.IdentifierEscapeEndCharacter;
AllTables.TryAdd(Tuple.Create(objectType, dialect), tableName);
return(tableName);
}
private static PropertyMapper GenerateIndexerDelegate(Type indexerType, Type targetType, bool ignoreMappings)
{
var method = new DynamicMethod("Map_" + indexerType.FullName + "_" + targetType.FullName, null, new[] { typeof(object), typeof(object) }, typeof(Mapper).Module);
var il = method.GetILGenerator();
var targetProperties = Reflector.GetPropertyMap(targetType);
var entityMap = MappingFactory.GetEntityMap(targetType);
var getItem = indexerType.GetMethod("get_Item", new[] { typeof(string) });
var matches = targetProperties.Where(t => t.Value.IsSelectable && t.Key.PropertyType.IsPublic && t.Key.CanWrite && (t.Value.IsSimpleList || t.Value.IsSimpleType || t.Value.IsBinary));
foreach (var match in matches)
{
var typeConverter = MappingFactory.GetTypeConverter(getItem.ReturnType, match.Key, entityMap);
if (match.Value.IsSimpleList && typeConverter == null)
{
continue;
}
il.Emit(OpCodes.Ldarg_1);
if (typeConverter.Item1 != null)
{
// New the converter
il.Emit(OpCodes.Newobj, typeConverter.Item1.GetConstructor(Type.EmptyTypes));
}
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldstr, MappingFactory.GetPropertyOrColumnName(match.Key, ignoreMappings, entityMap, true));
il.Emit(OpCodes.Callvirt, getItem);
if (typeConverter.Item1 == null)
{
il.EmitCastToReference(match.Key.PropertyType);
}
else
{
// Call the convert method
il.Emit(OpCodes.Callvirt, typeConverter.Item2.GetMethod("ConvertForward"));
}
il.EmitCall(OpCodes.Callvirt, match.Key.GetSetMethod(), null);
}
il.Emit(OpCodes.Ret);
var mapper = (PropertyMapper)method.CreateDelegate(typeof(PropertyMapper));
return(mapper);
}
private static void DefineProperties(Type objectType, TypeBuilder typeBuilder, FieldInfo field, Type interfaceType, DynamicProxyType proxyType, bool ignoreMappings)
{
var entityMap = MappingFactory.GetEntityMap(interfaceType);
foreach (var property in Reflector.GetAllProperties(interfaceType))
{
// check if we can support the wrapping.
var propertyName = MappingFactory.GetPropertyOrColumnName(property, ignoreMappings, entityMap, false);
var objectProperty = objectType != null?objectType.GetProperty(propertyName) : null;
if (objectProperty != null && ((property.CanRead && !objectProperty.CanRead) || (property.CanWrite && !objectProperty.CanWrite)))
{
throw new InvalidCastException("Can't cast because the property is missing or does not have the required implementation.");
}
// check the property types.
if (objectProperty != null && objectProperty.PropertyType != property.PropertyType)
{
throw new InvalidCastException("Can't cast because property types do not match.");
}
// define the property.
if (proxyType == DynamicProxyType.FullIndexer)
{
DefineIndexerProperty(property, typeBuilder, field, objectType, ignoreMappings, entityMap);
}
else if (proxyType == DynamicProxyType.SimpleIndexer && IsWrappable(property, entityMap))
{
DefineIndexerProperty(property, typeBuilder, field, objectType, ignoreMappings, entityMap);
}
else if (proxyType == DynamicProxyType.Guard)
{
DefineGuardedProperty(property, typeBuilder, field, objectType, ignoreMappings, entityMap);
}
else if (objectProperty != null)
{
DefineProperty(property, typeBuilder, field, objectType, objectProperty);
}
else
{
DefineDefaultProperty(property, typeBuilder);
}
}
}
private static string GetDefaultConnectionName(Type objectType)
{
string connectionName = null;
if (Reflector.IsEmitted(objectType))
{
objectType = Reflector.GetInterface(objectType);
}
var map = MappingFactory.GetEntityMap(objectType);
if (map != null)
{
connectionName = map.ConnectionStringName;
}
if (connectionName == null)
{
var attr = Reflector.GetAttribute <ConnectionAttribute>(objectType, false, true);
if (attr != null)
{
connectionName = attr.Name;
}
}
if (connectionName == null)
{
var attr = Reflector.GetAttribute <ConnectionAttribute>(objectType, true);
if (attr != null)
{
connectionName = attr.Name;
}
}
return(connectionName ?? ConfigurationFactory.Get(objectType).DefaultConnectionName);
}
private static PropertyMapper GenerateIndexerDelegate(Type indexerType, Type targetType, bool autoTypeCoercion)
{
var method = new DynamicMethod("Map_" + indexerType.FullName + "_" + targetType.FullName, null, new[] { typeof(object), typeof(object) }, typeof(Mapper).Module);
var il = method.GetILGenerator();
var targetProperties = Reflector.GetPropertyMap(targetType);
var entityMap = MappingFactory.GetEntityMap(targetType);
var getTypeFromHandle = typeof(Type).GetMethod("GetTypeFromHandle");
var getDefaultValue = typeof(System.Activator).GetMethods().FirstOrDefault(m => m.Name == "CreateInstance" && m.GetParameters().Length == 1 && m.GetParameters()[0].ParameterType == typeof(Type));
var useIndexerMethod = true;
if (!GetItemMethods.TryGetValue(indexerType, out var getItem) || getItem == null)
{
getItem = indexerType.GetMethod("get_Item", new[] { typeof(string) });
useIndexerMethod = false;
}
var matches = targetProperties.Where(t => t.Value.IsSelectable && t.Key.PropertyType.IsPublic && t.Key.CanWrite && (t.Value.IsSimpleList || t.Value.IsSimpleType || t.Value.IsBinary));
foreach (var match in matches)
{
var typeConverter = MappingFactory.GetTypeConverter(getItem.ReturnType, match.Key, entityMap);
if (match.Value.IsSimpleList && typeConverter == null)
{
continue;
}
typeConverter = MatchTypeConverter(targetType, match.Value, getItem.ReturnType, typeConverter, autoTypeCoercion);
il.Emit(OpCodes.Ldarg_1);
if (typeConverter.Item1 != null)
{
// New the converter
il.Emit(OpCodes.Newobj, typeConverter.Item1.GetConstructor(Type.EmptyTypes));
}
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldstr, MappingFactory.GetPropertyOrColumnName(match.Key, false, entityMap, true));
if (!useIndexerMethod)
{
il.Emit(OpCodes.Callvirt, getItem);
}
else
{
var propertyType = match.Value.PropertyType;
if (propertyType.IsValueType)
{
var ctor = propertyType.GetConstructor(Type.EmptyTypes);
if (ctor != null)
{
il.Emit(OpCodes.Newobj, ctor);
il.BoxIfNeeded(propertyType);
}
else if (propertyType.IsPrimitive)
{
if (propertyType == typeof(double))
{
il.Emit(OpCodes.Ldc_R8, 0.0);
}
else if (propertyType == typeof(float))
{
il.Emit(OpCodes.Ldc_R4, 0.0f);
}
else
{
il.EmitFastInt(0);
if (propertyType == typeof(long) || propertyType == typeof(ulong))
{
il.Emit(OpCodes.Conv_I8);
}
}
il.BoxIfNeeded(propertyType);
}
else
{
il.Emit(OpCodes.Ldtoken, propertyType);
il.Emit(OpCodes.Call, getTypeFromHandle);
il.Emit(OpCodes.Call, getDefaultValue);
}
}
else
{
il.Emit(OpCodes.Ldnull);
}
il.Emit(OpCodes.Call, getItem);
}
if (typeConverter.Item1 == null)
{
il.EmitCastToReference(match.Key.PropertyType);
}
else
{
// Call the convert method
il.Emit(OpCodes.Callvirt, typeConverter.Item2.GetMethod("ConvertForward"));
}
il.EmitCall(OpCodes.Callvirt, match.Key.GetSetMethod(), null);
}
il.Emit(OpCodes.Ret);
var mapper = (PropertyMapper)method.CreateDelegate(typeof(PropertyMapper));
return(mapper);
}
