public MultipleContextValuesValueInjector(
LambdaExpression lambda,
MappingConfigInfo configInfo,
RequiredValuesSet requiredValues)
: base(lambda, configInfo)
{
_lambdaBody = lambda.Body;
_isInvocation = lambda.IsInvocation();
_requiredValues = requiredValues;
}
private MappingContextValueInjector(
LambdaExpression lambda,
MappingConfigInfo configInfo,
RequiredValuesSet requiredValues,
bool isMappingContextInvokeLambda)
{
_lambda = lambda;
_isMappingContextInvokeLambda = isMappingContextInvokeLambda;
_requiredValues = requiredValues;
_configInfo = configInfo;
_contextParameter = lambda.Parameters[0];
_contextType = _contextParameter.Type;
}
public SingleContextValueValueInjector(
LambdaExpression lambda,
MappingConfigInfo configInfo,
RequiredValuesSet requiredValues)
: base(lambda, configInfo)
{
_lambdaBody = lambda.Body;
if (requiredValues.Includes(Source))
{
_value = requiredValues.Source;
_replacementFactory = ctx => ctx.GetSourceAccess();
return;
}
if (requiredValues.Includes(Target))
{
_value = requiredValues.Target;
_replacementFactory = ctx => ctx.GetTargetAccess();
return;
}
if (requiredValues.Includes(ElementIndex))
{
_value = requiredValues.ElementIndex;
_replacementFactory = ctx => ctx.GetElementIndex();
}
if (requiredValues.Includes(CreatedObject))
{
_value = requiredValues.CreatedObject;
_replacementFactory = ctx => ctx.GetCreatedObject();
return;
}
if (requiredValues.Includes(ElementKey))
{
_value = requiredValues.ElementKey;
_replacementFactory = ctx => ctx.GetElementKey();
return;
}
if (requiredValues.Includes(Parent))
{
_value = requiredValues.Parent;
_replacementFactory = ctx => ctx.GetParentAccess();
}
}
public static IValueInjector Create(
LambdaExpression lambda,
MappingConfigInfo configInfo,
RequiredValuesSet requiredValues)
{
switch (requiredValues.ValuesCount)
{
case 0:
return(new NullValueInjector(lambda));
case 1:
return(new SingleContextValueValueInjector(lambda, configInfo, requiredValues));
default:
return(new MultipleContextValuesValueInjector(lambda, configInfo, requiredValues));
}
}
private ParametersAccessFinder(IList <ParameterExpression> parameters)
{
_requiredValues = new RequiredValuesSet();
var parameterCount = parameters.Count;
_sourceParameter = parameters[0];
if (parameterCount == 1)
{
return;
}
_targetParameter = parameters[1];
if (parameterCount == 2)
{
return;
}
var thirdParameter = parameters[2];
if (thirdParameter.Type != typeof(int?))
{
_createdObjectParameter = thirdParameter;
}
else
{
_elementIndexParameter = thirdParameter;
}
if (parameterCount == 3)
{
return;
}
_createdObjectParameter = thirdParameter;
_elementIndexParameter = parameters[3];
}
private MappingContextMemberAccessFinder(ParameterExpression contextParameter)
{
_contextParameter = contextParameter;
_requiredValues = new RequiredValuesSet();
}