public void TryCleanup(ConfigurationChangeTracker changeTracker)
{
using (RuntimeEntityModel context = RuntimeEntityModel.CreateInstance())
{
switch (changeTracker.ImpactScope)
{
case ConfigurationChangeTracker.ConfigChangeImpactScope.Session:
foreach (Guid sessionUniqueId in changeTracker.UpdatedSessionIds)
{
Trace.TraceInformation(
"Deleting cached data for session '{0}'",
sessionUniqueId.ToString());
context.DeleteSessionCachedData(sessionUniqueId);
}
break;
case ConfigurationChangeTracker.ConfigChangeImpactScope.SessionGroup:
Trace.TraceInformation(
"Deleting cached data for session group '{0}'",
changeTracker.UpdatedSessionGroupId.ToString());
context.DeleteSessionGroupCachedData(changeTracker.UpdatedSessionGroupId);
break;
default:
Trace.TraceInformation(
"ConfigurationChangeTracker did not detect any non-transient changes. No cached data will be deleted for session group '{0}'",
changeTracker.UpdatedSessionGroupId.ToString());
break;
}
}
}
/// <summary>
/// Remove all change groups in current session which are in progress.
/// For delta table, this includes status of Delta, DeltaPending.
/// For migration instruction, this includes Pending or Inprogress.
/// </summary>
private void RemoveInProgressChangeGroupsInSession(Guid sessionId)
{
using (RuntimeEntityModel context = RuntimeEntityModel.CreateInstance())
{
TraceManager.TraceInformation(
"Deleting cached data for session '{0}'", sessionId);
context.DeleteSessionCachedData(sessionId);
}
}