void ImportCore(Func <UnitOfWork> createOutputUow, Func <UnitOfWork> createInputUow, InputObjectClassInfo inputObjectClassInfo)
{
UnitOfWork inputUow = createInputUow();
UnitOfWork outputUow = createOutputUow();
try {
var inputMemberInfos = MemberMapper.MemberInfos(inputObjectClassInfo).OfType <InputMemberInfo>().ToList();
var keys = InputObjectKeys(inputObjectClassInfo, inputUow);
int position = 0;
int commitAccumulator = 0;
int length = keys.Count;
while (position < length)
{
int chunkSize = XpoDefault.GetTerminalInSize(length - position);
var keysToImport = keys.GetRange(position, chunkSize);
var objectsToImport = inputUow.GetObjectsByKey(inputObjectClassInfo, keysToImport, false);
position += chunkSize;
commitAccumulator += chunkSize;
PrefetchDelayedMembers(inputMemberInfos, inputUow, objectsToImport);
ImportMembers(inputObjectClassInfo, objectsToImport, keysToImport, outputUow, inputMemberInfos, inputUow);
do
{
var refsAndImports = RefsAndImports(outputUow);
foreach (KeyValuePair <InputMemberInfo, FillRefList> pair in refsAndImports)
{
var memberInfo = pair.Key.OutputMemberInfo;
var fillRefsList = pair.Value;
var classInfo = memberInfo.IsAssociationList? memberInfo.CollectionElementType: memberInfo.ReferenceType;
var memberList = MemberMapper.MemberInfos(pair.Key.ReferenceType).OfType <InputMemberInfo>().ToList();
var importClassInfo = pair.Key.ReferenceType;
var objects = inputUow.GetObjectsByKey(importClassInfo, fillRefsList.RefKeyList, false);
PrefetchDelayedMembers(inputMemberInfos, inputUow, objects);
ImportRefs(classInfo, objects, fillRefsList, outputUow, inputUow, memberList, memberInfo);
}
} while (_fillRefsDictionary.Count > 0 || _fillRefsAndImportDictionary.Count > 0);
if (commitAccumulator > 400)
{
outputUow.CommitChanges();
GenerationNext(outputUow);
var ou = outputUow;
var iu = inputUow;
outputUow = createOutputUow();
inputUow = createInputUow();
ou.Dispose();
iu.Dispose();
commitAccumulator = 0;
OnTransformingRecords(new TransformingRecordsArgs(inputObjectClassInfo.FullName, inputObjectClassInfo.OutputClassInfo.FullName, position));
}
}
} finally {
outputUow.CommitChanges();
OnTransformRecords(new TransformRecordsArgs(inputObjectClassInfo.FullName, inputObjectClassInfo.OutputClassInfo.FullName));
GenerationNext(outputUow);
outputUow.Dispose();
inputUow.Dispose();
}
}
