#pragma warning restore RCS1213 // Remove unused member declaration.
#pragma warning restore IDE0051 // Remove unused private members
private static async Task ExecuteSimple(IJsonEventStore eventStore)
{
#pragma warning disable IDE0059 // Unnecessary assignment of a value - allow for debug inspection
var toDoListId = Guid.NewGuid();
// Read and modify a todoitem using the simple aggregate.
ToDoList toDoList = await ToDoList.ReadOrCreate(eventStore, toDoListId).ConfigureAwait(false);
toDoList = toDoList.Initialize(DateTimeOffset.Now, "Bill Gates");
toDoList = await toDoList.Commit().ConfigureAwait(false);
// Now load it using the "json-specific" aggregate.
ToDoListJson toDoListJson = await ToDoListJson.ReadOrCreate(eventStore, toDoListId).ConfigureAwait(false);
toDoListJson = toDoListJson.AddToDoItem(Guid.NewGuid(), "This is my title", "This is my description");
toDoListJson = toDoListJson.AddToDoItem(Guid.NewGuid(), "This is my second title", "This is my second description");
toDoListJson = await toDoListJson.Commit().ConfigureAwait(false);
// Reload the toDoList
toDoList = await ToDoList.ReadOrCreate(eventStore, toDoListId).ConfigureAwait(false);
toDoList = toDoList.AddToDoItem(Guid.NewGuid(), "This is another title", "This is another description");
toDoList = toDoList.AddToDoItem(Guid.NewGuid(), "This is yet another title", "This is yet another description");
toDoList = await toDoList.Commit().ConfigureAwait(false);
// Reload the toDoListJson
toDoListJson = await ToDoListJson.ReadOrCreate(eventStore, toDoListId).ConfigureAwait(false);
#pragma warning restore IDE0059 // Unnecessary assignment of a value
}
private static async Task ExecuteVolume(IJsonEventStore eventStore)
{
// This is the ID of our aggregate - imagine this came in from the request, for example.
Guid[] aggregateIds = Enumerable.Range(0, 625)
.Select(_ => Guid.NewGuid())
.ToArray();
const int batchSize = 625;
const int iterations = 50;
const int nodesPerAggregate = 8;
const int minTimePerIteration = 0;
const int eventsPerCommit = 8;
var aggregates = new ToDoListJson[aggregateIds.Length];
Console.WriteLine("Initializing aggregates.");
var loadSw = Stopwatch.StartNew();
for (int i = 0; i < aggregateIds.Length; ++i)
{
Guid id = aggregateIds[i];
aggregates[i] = ToDoListJson.Create(eventStore, id);
}
loadSw.Stop();
Console.WriteLine($"Read {aggregateIds.Length} aggregates in {loadSw.ElapsedMilliseconds / 1000.0} seconds ({aggregateIds.Length / (loadSw.ElapsedMilliseconds / 1000.0)} agg/sec)");
Console.WriteLine();
var executeSw = Stopwatch.StartNew();
var taskList = new Task <ToDoListJson> [batchSize];
for (int i = 0; i < iterations; ++i)
{
Console.WriteLine($"Iteration {i}");
for (int batch = 0; batch < aggregateIds.Length / batchSize; ++batch)
{
DateTimeOffset startTime = DateTimeOffset.Now;
Console.WriteLine($"Batch {batch}");
var sw = Stopwatch.StartNew();
for (int node = 0; node < nodesPerAggregate; ++node)
{
for (int taskCount = 0; taskCount < batchSize; ++taskCount)
{
ToDoListJson toDoList = aggregates[(batch * batchSize) + taskCount];
for (int eventCount = 0; eventCount < eventsPerCommit; ++eventCount)
{
toDoList = toDoList.AddToDoItem(Guid.NewGuid(), "This is my title", "This is my description");
}
taskList[taskCount] = toDoList.Commit();
}
ToDoListJson[] batchAggregates = await Task.WhenAll(taskList).ConfigureAwait(false);
batchAggregates.CopyTo(aggregates, batch * batchSize);
}
sw.Stop();
Console.WriteLine($"{batchSize * nodesPerAggregate} commits in {sw.ElapsedMilliseconds}, ({(batchSize * nodesPerAggregate) / (sw.ElapsedMilliseconds / 1000.0)} commits/s)");
Console.WriteLine($"{(batchSize * nodesPerAggregate * eventsPerCommit) / (sw.ElapsedMilliseconds / 1000.0)} events/s");
double elapsed = (DateTimeOffset.Now - startTime).TotalMilliseconds;
// Rate limit
if (elapsed < minTimePerIteration)
{
int delay = minTimePerIteration - (int)elapsed;
Console.WriteLine($"Delaying {delay}ms");
await Task.Delay(delay).ConfigureAwait(false);
}
}
}
executeSw.Stop();
Console.WriteLine($"Executed {aggregateIds.Length * iterations * nodesPerAggregate} atomic commits in {executeSw.ElapsedMilliseconds / 1000.0} seconds ({aggregateIds.Length * iterations * nodesPerAggregate / (executeSw.ElapsedMilliseconds / 1000.0)} ) commits/sec");
Console.WriteLine($"({aggregateIds.Length * iterations * nodesPerAggregate * eventsPerCommit / (executeSw.ElapsedMilliseconds / 1000.0)} ) events/sec");
}
public JsonAggregateStore(IJsonEventStore eventStore, IJsonEventSerializer serializer)
{
_eventStore = eventStore;
_serializer = serializer;
}
