public override void StartTask(ITaskExecutionContext context)
{
int iterations = 10;
for (int i = 1; i <= iterations; i++)
{
context.ThrowIfCancelled();
// Everything we log will be outputted in the Hangfire UI/dashboard
// - This was enabled by the .EnableConsole() method on .UseHangfire()
context.Log.Message("Iteration: [{0}/{1}]", i, iterations);
if (i != iterations)
{
context.CancellationToken.WaitHandle.WaitOne(TimeSpan.FromMilliseconds(500));
}
}
if (Interlocked.Increment(ref _iterations) % 4 == 0)
{
throw new InvalidOperationException("Simulating that the task is throwing an exception. {json}");
}
context.Log.Message("Done - including some {json}");
context.Log.Message("...");
}
public override void StartTask(ITaskExecutionContext context)
{
uint count;
if (!uint.TryParse(context.Arguments["Iterations"], out count))
{
count = 10;
}
int[] iterations = Enumerable.Range(1, (int)count).ToArray();
IProgressBar progressBar = _hangfireContextProvider.Current.WriteProgressBar();
foreach (int i in iterations.WithProgress(progressBar))
{
context.ThrowIfCancelled();
// Everything we log will be outputted in the Hangfire UI/dashboard
// - This was enabled by the .EnableConsole() method on .UseHangfire()
context.Log.Message("Iteration: [{0}/{1}]", i, iterations.Length);
if (i != iterations.Length)
{
context.CancellationToken.WaitHandle.WaitOne(TimeSpan.FromMilliseconds(500));
}
}
context.Log.Message("Done");
context.Log.Message("...");
}
public override void StartTask(ITaskExecutionContext context)
{
MigrationDb[] destinations = _dbs;
// if specific migration dbs have been provided by argument, only they'll be run
string[] names = (context.Arguments["Names"] ?? string.Empty)
.Split(new[] { ",", ";" }, StringSplitOptions.RemoveEmptyEntries);
if (names.Length > 0)
{
ILookup <string, MigrationDb> migrationsByName =
_dbs.ToLookup(db => db.IdentifyingName, db => db, StringComparer.OrdinalIgnoreCase);
destinations = names
.SelectMany(x => migrationsByName[x])
.ToArray();
}
string action = (context.Arguments["Action"] ?? string.Empty).ToLowerInvariant();
foreach (MigrationDb destination in destinations)
{
context.ThrowIfCancelled();
MigrationRunner runner = CreateRunner(destination, out StringBuilder output);
switch (action)
{
case "list":
destination.List(runner, context, _kernel);
break;
case "rollback":
destination.Rollback(runner, context, _kernel);
break;
default:
destination.MigrateUp(runner, context, _kernel);
break;
}
runner.Processor.Dispose();
if (output.Length > 0)
{
context.Log.Message(output.ToString());
}
if (_disabledFeatures != null)
{
foreach (FeatureAttribute feature in _disabledFeatures)
{
feature.Enable(_featureToggler);
}
}
}
if (_databaseCreated)
{
context.Log.Warning(
Target.Service,
"Created new database (using Simple Recovery) and applied migrations to this. Make sure to configure this new database (auto growth, backup etc).");
}
}
