private ConfiguredLambdaInfo GetValueLambdaInfo(Type targetValueType)
{
if (_customValueLambdaInfo != null)
{
return(_customValueLambdaInfo);
}
#if NET35
var customValueLambda = _customValueLambda.ToDlrExpression();
const ExprType CONSTANT = ExprType.Constant;
#else
var customValueLambda = _customValueLambda;
const ExprType CONSTANT = Constant;
#endif
if ((customValueLambda.Body.NodeType != CONSTANT) ||
(targetValueType == typeof(object)) ||
customValueLambda.ReturnType.IsAssignableTo(targetValueType) ||
_configInfo.HasTargetMemberMatcher())
{
return(_customValueLambdaInfo = ConfiguredLambdaInfo.For(customValueLambda, _configInfo));
}
var convertedConstantValue = MapperContext
.GetValueConversion(customValueLambda.Body, targetValueType);
var funcType = Expr.GetFuncType(targetValueType);
var valueLambda = Expr.Lambda(funcType, convertedConstantValue);
var valueFunc = valueLambda.Compile();
var value = valueFunc.DynamicInvoke().ToConstantExpression(targetValueType);
var constantValueLambda = Expr.Lambda(funcType, value);
var valueLambdaInfo = ConfiguredLambdaInfo.For(constantValueLambda, _configInfo);
return(_customValueLambdaInfo = valueLambdaInfo);
}
public static ConfiguredObjectFactory For(MappingConfigInfo configInfo, Type objectType, LambdaExpression factory) => For(configInfo, objectType, ConfiguredLambdaInfo.For(factory));
internal CustomDataSourceTargetMemberSpecifier(MappingConfigInfo configInfo, LambdaExpression customValueLambda)
: this(configInfo, ConfiguredLambdaInfo.For(customValueLambda))
{
}