public Execution AsyncBeginApply(Migration migration, Instance instance)
{
ProjectHistoryStep historyStep = new ProjectHistoryStep();
historyStep.Description = string.Format("Applying migration {0} ({1}) on instance {2}.", migration.Id, migration.Description, instance.FullName);
historyStep.At = clock.Now;
historyStep.By = appContext.FullUserName;
historyStep.Project = migration.AuditProject;
historyStep.Create();
Execution execution = new Execution();
execution.At = clock.Now;
execution.By = appContext.FullUserName;
execution.Migration = migration;
execution.Instance = instance;
execution.ExecutionState = ExecutionState.Pending;
execution.AppendLog("Starting migration {0}({1}) on {2}...", migration.Id, migration.Description, instance.FullName);
execution.CreateAndFlush();
try
{
migrationTablesManager.CheckAndCreateMigrationTable(instance, execution);
execution.UpdateAndFlush();
if (!migrationTablesManager.IsMigrationAlreadyApplied(migration, instance, execution))
{
ThreadPool.QueueUserWorkItem(new WaitCallback(delegate(object arg)
{
SyncApplyMigration(migration, instance, execution);
}));
}
else
{
execution.ExecutionState = ExecutionState.Completed;
execution.UpdateAndFlush();
}
}
catch (Exception ex)
{
execution.AppendLogException(ex);
execution.UpdateAndFlush();
}
return execution;
}