public void Register(ITypeHandler typeHandler)
{
if (!_typeHandlerMap.TryGetValue(typeHandler.PropertyType, out var fieldTypeHandlerMap))
{
fieldTypeHandlerMap = new Dictionary <Type, ITypeHandler>();
_typeHandlerMap.Add(typeHandler.PropertyType, fieldTypeHandlerMap);
}
if (fieldTypeHandlerMap.ContainsKey(typeHandler.FieldType))
{
fieldTypeHandlerMap[typeHandler.FieldType] = typeHandler;
}
else
{
fieldTypeHandlerMap.Add(typeHandler.FieldType, typeHandler);
}
TypeHandlerCacheType.SetHandler(typeHandler);
PropertyTypeHandlerCacheType.SetHandler(typeHandler);
}
private void BuildMethod(Type interfaceType, TypeBuilder typeBuilder, MethodInfo methodInfo, FieldBuilder sqlMapperField, SmartSqlConfig smartSqlConfig, string scope)
{
var methodParams = methodInfo.GetParameters();
var paramTypes = methodParams.Select(m => m.ParameterType).ToArray();
if (paramTypes.Any(p => p.IsGenericParameter))
{
_logger.LogError("SmartSql.DyRepository method parameters do not support generic parameters for the time being!");
throw new SmartSqlException("SmartSql.DyRepository method parameters do not support generic parameters for the time being!");
}
var returnType = methodInfo.ReturnType;
var implMethod = typeBuilder.DefineMethod(methodInfo.Name
, MethodAttributes.Public | MethodAttributes.HideBySig | MethodAttributes.NewSlot | MethodAttributes.Virtual | MethodAttributes.Final
, returnType, paramTypes);
var isTaskReturnType = CommonType.Task.IsAssignableFrom(returnType);
if (methodInfo.IsGenericMethod)
{
var genericArgs = methodInfo.GetGenericArguments();
var gArgNames = genericArgs.Select(gArg => gArg.Name).ToArray();
var defineGenericArgs = implMethod.DefineGenericParameters(gArgNames);
for (int i = 0; i < gArgNames.Length; i++)
{
var genericArg = genericArgs[i];
var defineGenericArg = defineGenericArgs[i];
defineGenericArg.SetGenericParameterAttributes(genericArg.GenericParameterAttributes);
}
}
StatementAttribute statementAttr = PreStatement(interfaceType, scope, methodInfo, returnType, isTaskReturnType, smartSqlConfig);
var ilGen = implMethod.GetILGenerator();
bool onlyOneParam = paramTypes.Length == 1;
Type firstParamType = paramTypes.FirstOrDefault();
ilGen.DeclareLocal(RequestContextType.AbstractType);
if (onlyOneParam && RequestContextType.AbstractType.IsAssignableFrom(firstParamType))
{
throw new SmartSqlException($"DyRepository.Method ParameterType :{firstParamType.FullName} can not be RequestContext.");
//ilGen.LoadArg(1);
//ilGen.StoreLocalVar(0);
}
bool isOnlyOneClassParam = onlyOneParam && !IsSimpleParam(firstParamType);
EmitNewRequestContext(ilGen, isOnlyOneClassParam, firstParamType);
EmitSetCommandType(ilGen, statementAttr);
EmitSetDataSourceChoice(ilGen, statementAttr);
if (String.IsNullOrEmpty(statementAttr.Sql))
{
EmitSetScope(ilGen, statementAttr.Scope);
EmitSetSqlId(ilGen, statementAttr);
}
else
{
EmitSetRealSql(ilGen, statementAttr);
}
if (isOnlyOneClassParam)
{
ilGen.LoadLocalVar(0);
ilGen.LoadArg(1);
ilGen.Callvirt(RequestContextType.Method.SetRequest);
}
else if (paramTypes.Length > 0)
{
ilGen.DeclareLocal(SqlParameterType.SqlParameterCollection);
bool ignoreParameterCase = smartSqlConfig.Settings.IgnoreParameterCase;
ilGen.Emit(ignoreParameterCase ? OpCodes.Ldc_I4_1 : OpCodes.Ldc_I4_0);
ilGen.New(SqlParameterType.Ctor.SqlParameterCollection);
ilGen.StoreLocalVar(1);
for (int i = 0; i < methodParams.Length; i++)
{
int argIndex = i + 1;
var reqParam = methodParams[i];
string reqParamName = reqParam.Name;
var paramAttr = reqParam.GetCustomAttribute <ParamAttribute>();
if (paramAttr != null && !String.IsNullOrEmpty(paramAttr.Name))
{
reqParamName = paramAttr.Name;
}
ilGen.LoadLocalVar(1);
ilGen.LoadString(reqParamName);
ilGen.LoadArg(argIndex);
if (reqParam.ParameterType.IsValueType)
{
ilGen.Box(reqParam.ParameterType);
}
ilGen.LoadType(reqParam.ParameterType);
ilGen.New(SqlParameterType.Ctor.SqlParameter);
ilGen.Dup();
var getHandlerMethod = paramAttr?.FieldType != null?TypeHandlerCacheType.GetHandlerMethod(reqParam.ParameterType, paramAttr?.FieldType)
: PropertyTypeHandlerCacheType.GetHandlerMethod(reqParam.ParameterType);
ilGen.Call(getHandlerMethod);
ilGen.Call(SqlParameterType.Method.SetTypeHandler);
ilGen.Call(SqlParameterType.Method.Add);
}
ilGen.LoadLocalVar(0);
ilGen.LoadLocalVar(1);
ilGen.Callvirt(RequestContextType.Method.SetRequest);
}
MethodInfo executeMethod = PreExecuteMethod(statementAttr, returnType, isTaskReturnType);
ilGen.LoadArg(0);
ilGen.FieldGet(sqlMapperField);
ilGen.LoadLocalVar(0);
ilGen.Call(executeMethod);
if (returnType == CommonType.Void)
{
ilGen.Pop();
}
ilGen.Return();
if (_logger.IsEnabled(LogLevel.Debug))
{
_logger.LogDebug($"RepositoryBuilder.BuildMethod:{methodInfo.Name}->Statement:[Scope:{statementAttr.Scope},Id:{statementAttr.Id},Execute:{statementAttr.Execute},Sql:{statementAttr.Sql},IsAsync:{isTaskReturnType}]");
}
}
