private async Task PerformUpgradeAsync(Domain domain, UpgradeStage stage, CancellationToken token)
{
context.Stage = stage;
await OnBeforeStageAsync(token).ConfigureAwait(false);
var session = await domain.OpenSessionAsync(SessionType.System, token).ConfigureAwait(false);
await using (session.ConfigureAwait(false)) {
using (session.Activate()) {
var transaction = session.OpenTransaction();
await using (transaction.ConfigureAwait(false)) {
var upgrader = new SchemaUpgrader(context, session);
var extractor = new SchemaExtractor(context, session);
await SynchronizeSchemaAsync(domain, upgrader, extractor, GetUpgradeMode(stage), token).ConfigureAwait(false);
var storageNode = BuildStorageNode(domain, await extractor.GetSqlSchemaAsync(token).ConfigureAwait(false));
session.SetStorageNode(storageNode);
await OnStageAsync(session, token).ConfigureAwait(false);
transaction.Complete();
}
}
}
}
/// <exception cref="ArgumentOutOfRangeException"><c>context.Stage</c> is out of range.</exception>
private void PerformUpgrade(Domain domain, UpgradeStage stage)
{
context.Stage = stage;
OnBeforeStage();
using (var session = domain.OpenSession(SessionType.System))
using (session.Activate())
using (var transaction = session.OpenTransaction()) {
var upgrader = new SchemaUpgrader(context, session);
var extractor = new SchemaExtractor(context, session);
SynchronizeSchema(domain, upgrader, extractor, GetUpgradeMode(stage));
var storageNode = BuildStorageNode(domain, extractor);
session.SetStorageNode(storageNode);
OnStage(session);
transaction.Complete();
}
}
private void SynchronizeSchema(
Domain domain, SchemaUpgrader upgrader, SchemaExtractor extractor, SchemaUpgradeMode schemaUpgradeMode)
{
using (UpgradeLog.InfoRegion(Strings.LogSynchronizingSchemaInXMode, schemaUpgradeMode)) {
StorageModel targetSchema = null;
if (schemaUpgradeMode == SchemaUpgradeMode.Skip)
{
if (context.ParentDomain == null)
{
//If we build main domain we should log target model.
//Log of Storage Node target model is not necessary
//because storage target model exactly the same.
targetSchema = GetTargetModel(domain);
context.TargetStorageModel = targetSchema;
if (UpgradeLog.IsLogged(LogLevel.Info))
{
UpgradeLog.Info(Strings.LogTargetSchema);
targetSchema.Dump();
}
}
var builder = ExtractedModelBuilderFactory.GetBuilder(context);
context.ExtractedSqlModelCache = builder.Run();
OnSchemaReady();
return; // Skipping comparison completely
}
var extractedSchema = extractor.GetSchema();
// Hints
var triplet = BuildTargetModelAndHints(extractedSchema);
var hintProcessingResult = triplet.Third;
targetSchema = triplet.First;
context.TargetStorageModel = targetSchema;
var hints = triplet.Second;
if (UpgradeLog.IsLogged(LogLevel.Info))
{
UpgradeLog.Info(Strings.LogExtractedSchema);
extractedSchema.Dump();
UpgradeLog.Info(Strings.LogTargetSchema);
targetSchema.Dump();
}
OnSchemaReady();
var breifExceptionFormat = domain.Configuration.SchemaSyncExceptionFormat == SchemaSyncExceptionFormat.Brief;
var result = SchemaComparer.Compare(extractedSchema, targetSchema,
hints, context.Hints, schemaUpgradeMode, domain.Model, breifExceptionFormat, context.Stage);
var shouldDumpSchema = !schemaUpgradeMode.In(
SchemaUpgradeMode.Skip, SchemaUpgradeMode.ValidateCompatible, SchemaUpgradeMode.Recreate);
if (shouldDumpSchema && UpgradeLog.IsLogged(LogLevel.Info))
{
UpgradeLog.Info(result.ToString());
}
if (UpgradeLog.IsLogged(LogLevel.Info))
{
UpgradeLog.Info(Strings.LogComparisonResultX, result);
}
context.SchemaDifference = (NodeDifference)result.Difference;
context.SchemaUpgradeActions = result.UpgradeActions;
switch (schemaUpgradeMode)
{
case SchemaUpgradeMode.ValidateExact:
if (result.SchemaComparisonStatus != SchemaComparisonStatus.Equal || result.HasColumnTypeChanges)
{
throw new SchemaSynchronizationException(result);
}
if (!hintProcessingResult.AreAllTypesMapped() && hintProcessingResult.SuspiciousTypes.Any())
{
throw new SchemaSynchronizationException(Strings.ExExtractedAndTargetSchemasAreEqualButThereAreChangesInTypeIdentifiersSet);
}
break;
case SchemaUpgradeMode.ValidateCompatible:
if (result.SchemaComparisonStatus != SchemaComparisonStatus.Equal &&
result.SchemaComparisonStatus != SchemaComparisonStatus.TargetIsSubset)
{
throw new SchemaSynchronizationException(result);
}
break;
case SchemaUpgradeMode.PerformSafely:
if (result.HasUnsafeActions)
{
throw new SchemaSynchronizationException(result);
}
goto case SchemaUpgradeMode.Perform;
case SchemaUpgradeMode.Recreate:
case SchemaUpgradeMode.Perform:
upgrader.UpgradeSchema(extractor.GetSqlSchema(), extractedSchema, targetSchema, result.UpgradeActions);
if (result.UpgradeActions.Any())
{
extractor.ClearCache();
}
break;
case SchemaUpgradeMode.ValidateLegacy:
if (result.IsCompatibleInLegacyMode != true)
{
throw new SchemaSynchronizationException(result);
}
break;
default:
throw new ArgumentOutOfRangeException("schemaUpgradeMode");
}
}
}