public void Init()
{
var alias = "NamedTypeHandlerCacheTest";
var namedTypeHandlers = new Dictionary <string, ITypeHandler>
{
{ "Json", new JsonTypeHandler() },
{ "Xml", new XmlTypeHandler() }
};
NamedTypeHandlerCache.Build(alias, namedTypeHandlers);
var jsonHandlerField = NamedTypeHandlerCache.GetTypeHandlerField(alias, "Json");
var jsonTypeHandler = jsonHandlerField.GetValue(null);
}
public void Build()
{
var alias = "NamedTypeHandlerCacheTest";
JsonTypeHandler expectedJson = new JsonTypeHandler();
XmlTypeHandler expectedXml = new XmlTypeHandler();
var namedTypeHandlers = new Dictionary <string, ITypeHandler>
{
{ "Json", expectedJson },
{ "Xml", expectedXml }
};
NamedTypeHandlerCache.Build(alias, namedTypeHandlers);
var actualJson = NamedTypeHandlerCache.GetTypeHandlerField(alias, "Json").GetValue(null);
Assert.Equal(expectedJson, actualJson);
var actualXml = NamedTypeHandlerCache.GetTypeHandlerField(alias, "Xml").GetValue(null);
Assert.Equal(expectedXml, actualXml);
}
private void BuildMethod(Type interfaceType, TypeBuilder typeBuilder, MethodInfo methodInfo,
FieldBuilder sqlMapperField, SmartSqlConfig smartSqlConfig, SqlMap sqlMap)
{
var returnType = methodInfo.ReturnType;
var isTaskReturnType = CommonType.Task.IsAssignableFrom(returnType);
Statement statement = PreStatement(interfaceType, sqlMap, methodInfo, returnType, isTaskReturnType,
out var executeBehavior);
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 implMethod = typeBuilder.DefineMethod(methodInfo.Name
, MethodAttributes.Public | MethodAttributes.HideBySig | MethodAttributes.NewSlot |
MethodAttributes.Virtual | MethodAttributes.Final
, returnType, paramTypes);
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);
}
}
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);
EmitStatementAttr(ilGen, methodInfo);
EmitSetTransaction(ilGen, methodInfo);
EmitSetScope(ilGen, sqlMap.Scope);
EmitSetSqlId(ilGen, statement);
EmitSetCache(ilGen, methodInfo);
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);
#region Ensure TypeHanlder
ilGen.Dup();
if (paramAttr != null && !String.IsNullOrEmpty(paramAttr.TypeHandler))
{
var typeHandlerField =
NamedTypeHandlerCache.GetTypeHandlerField(smartSqlConfig.Alias, paramAttr.TypeHandler);
if (typeHandlerField == null)
{
throw new SmartSqlException(
$"Can not find NamedTypeHandler SmartSql.Alias:[{smartSqlConfig.Alias}],Name :[{paramAttr.TypeHandler}].");
}
ilGen.FieldGet(typeHandlerField);
}
else
{
var getHandlerMethod = PropertyTypeHandlerCacheType.GetHandlerMethod(reqParam.ParameterType);
ilGen.Call(getHandlerMethod);
}
ilGen.Call(SqlParameterType.Method.SetTypeHandler);
ilGen.Call(SqlParameterType.Method.Add);
#endregion
}
ilGen.LoadLocalVar(0);
ilGen.LoadLocalVar(1);
ilGen.Callvirt(RequestContextType.Method.SetRequest);
}
MethodInfo executeMethod = PreExecuteMethod(executeBehavior, returnType, isTaskReturnType);
ilGen.LoadArg(0);
ilGen.FieldGet(sqlMapperField);
ilGen.LoadLocalVar(0);
ilGen.Callvirt(executeMethod);
if (returnType == CommonType.Void)
{
ilGen.Pop();
}
ilGen.Return();
if (_logger.IsEnabled(LogLevel.Debug))
{
_logger.LogDebug(
$"RepositoryBuilder.BuildMethod:{methodInfo.Name}->Statement:[Scope:{sqlMap.Scope},Id:{statement.Id},Execute:{executeBehavior},IsAsync:{isTaskReturnType}]");
}
}