public SourceObjectDictionaryAdapter(
DictionarySourceMember sourceMember,
EnumerablePopulationBuilder builder)
: base(builder)
{
_instanceDictionaryAdapter = new SourceInstanceDictionaryAdapter(sourceMember, builder);
_emptyTarget = TargetTypeHelper.GetEmptyInstanceCreation(TargetTypeHelper.EnumerableInterfaceType);
}
public Expression GetMappingShortCircuitOrNull()
{
if (Builder.ElementTypesAreSimple)
{
return(null);
}
var sourceEnumerableFoundTest = SourceObjectDictionaryPopulationLoopData
.GetSourceEnumerableFoundTest(_emptyTarget, Builder);
var projectionAsTargetType = Expression.TypeAs(Builder.SourceValue, Builder.MapperData.TargetType);
var allowEnumerableAssignment = Builder.MapperData.RuleSet.Settings.AllowEnumerableAssignment;
var convertedProjection = TargetTypeHelper.GetEnumerableConversion(Builder.SourceValue, allowEnumerableAssignment);
var projectionResult = Expression.Coalesce(projectionAsTargetType, convertedProjection);
var returnConvertedProjection = Expression.Return(Builder.MapperData.ReturnLabelTarget, projectionResult);
var ifProjectedReturn = Expression.IfThen(sourceEnumerableFoundTest, returnConvertedProjection);
return(ifProjectedReturn);
}
