private static string GetCurrentValueOrigin(IssueAttribute attribute,
[CanBeNull] object currentValue,
Guid startVersionGuid,
[NotNull] ExceptionLineage lineage,
out DateTime?importDate)
{
string origin = null;
importDate = null;
foreach (ManagedExceptionVersion exceptionObject in
lineage.GetAll()
.OrderByDescending(e => e.VersionBeginDate))
{
if (!Equals(exceptionObject.GetValue(attribute), currentValue))
{
// value is different --> next version (by date) must have introduced this value
break;
}
if (exceptionObject.VersionUuid == startVersionGuid)
{
// start version for search (excluded) reached
break;
}
// value is equal
origin = exceptionObject.VersionImportOrigin;
importDate = exceptionObject.VersionBeginDate;
}
return(origin);
}
public void AddExistingException([NotNull] ManagedExceptionVersion exceptionVersion)
{
Assert.ArgumentNotNull(exceptionVersion, nameof(exceptionVersion));
ExceptionLineage lineage;
if (!_lineages.TryGetValue(exceptionVersion.LineageUuid, out lineage))
{
lineage = new ExceptionLineage(exceptionVersion.LineageUuid);
_lineages.Add(lineage.Uuid, lineage);
}
lineage.Include(exceptionVersion);
}
private ExceptionAttributeConflict CreateConflict(
IssueAttribute attribute, object newValue, object currentValue,
object originalValue, Guid lineageUuid, Guid startVersionGuid)
{
ExceptionLineage lineage = _lineages[lineageUuid];
DateTime?currentValueImportDate;
string currentValueOrigin = GetCurrentValueOrigin(
attribute, currentValue, startVersionGuid, lineage,
out currentValueImportDate);
return(new ExceptionAttributeConflict(attribute,
newValue, currentValue, originalValue,
currentValueOrigin,
currentValueImportDate));
}