public async Task QueryAsync(Func <StoredEvent, Task> callback, string property, object value, string position = null, CancellationToken ct = default(CancellationToken))
{
var streamName = await projectionClient.CreateProjectionAsync(property, value);
var sliceStart = projectionClient.ParsePosition(position);
await QueryAsync(callback, streamName, sliceStart, ct);
}
public async Task QueryAsync(Func <StoredEvent, Task> callback, string property, object value, string?position = null, CancellationToken ct = default)
{
Guard.NotNull(callback);
Guard.NotNullOrEmpty(property);
Guard.NotNull(value);
using (Profiler.TraceMethod <GetEventStore>())
{
var streamName = await projectionClient.CreateProjectionAsync(property, value);
var sliceStart = projectionClient.ParsePosition(position);
await QueryAsync(callback, streamName, sliceStart, ct);
}
}
public async Task QueryAsync(Func <StoredEvent, Task> callback, string?streamFilter = null, string?position = null, CancellationToken ct = default)
{
Guard.NotNull(callback, nameof(callback));
using (Profiler.TraceMethod <GetEventStore>())
{
var streamName = await projectionClient.CreateProjectionAsync(streamFilter);
var sliceStart = projectionClient.ParsePosition(position);
await QueryAsync(callback, streamName, sliceStart, ct);
}
}
public async IAsyncEnumerable <StoredEvent> QueryAllReverseAsync(string?streamFilter = null, string?position = null, long take = long.MaxValue,
[EnumeratorCancellation] CancellationToken ct = default)
{
if (take <= 0)
{
yield break;
}
var streamName = await projectionClient.CreateProjectionAsync(streamFilter);
var sliceStart = ProjectionClient.ParsePosition(position);
await foreach (var storedEvent in QueryAsync(streamName, sliceStart, take, ct))
{
yield return(storedEvent);
}
}
