/// <summary>
/// Establish the context based on the context info from the side of the pipeline
/// </summary>
public virtual void EstablishContext(ChangeGroupService sourceSystemChangeGroupService)
{
try
{
if (m_witMetadataSyncPolicy == WitMetadataSyncPolicy.DoNotTakeTheirs)
{
return;
}
if (m_witMetadataSyncPolicy == WitMetadataSyncPolicy.Merge)
{
throw new NotImplementedException("WitMetadataSyncPolicy.Merge has not been implemented");
}
int pageNumber = 0;
int pageSize = 1000;
IEnumerable <ChangeGroup> changeGroups = null;
do
{
changeGroups = sourceSystemChangeGroupService.NextDeltaTablePage(pageNumber++, pageSize, false);
foreach (ChangeGroup nextChangeGroup in changeGroups)
{
if (nextChangeGroup.ContainsBackloggedAction)
{
continue;
}
if (TryProcessContextSyncChangeGroup(nextChangeGroup))
{
break;
}
}
} while (changeGroups.Count() == pageSize);
}
catch (Exception exception)
{
if (!(exception is MigrationUnresolvedConflictException))
{
ErrorManager errMgr = m_migrationServiceContainer.GetService(typeof(ErrorManager)) as ErrorManager;
errMgr.TryHandleException(exception);
}
return;
}
}