/// <summary>
/// Exports a streamable as an observable of events. Produces events that are sync time ordered.
/// Expects only start-edge and interval events in the stream, and constructs user-defined payloads as a result.
/// </summary>
/// <typeparam name="TKey"></typeparam>
/// <typeparam name="TPayload"></typeparam>
/// <typeparam name="TResult"></typeparam>
/// <param name="stream"></param>
/// <param name="constructor">Method description that constructs result data from the start time, end time, and the payload of each event.</param>
/// <returns></returns>
public static IObservable <ArraySegment <TResult> > ToTemporalArrayObservable <TKey, TPayload, TResult>(
this IStreamable <PartitionKey <TKey>, TPayload> stream,
Expression <Func <TKey, long, long, TPayload, TResult> > constructor)
{
Invariant.IsNotNull(stream, nameof(stream));
return(stream.ToTemporalArrayObservable(
() => new TResult[Config.DataBatchSize],
constructor, null,
Guid.NewGuid().ToString()));
}
/// <summary>
/// Exports a streamable as an observable of events. Produces events that are sync time ordered.
/// Expects only start-edge and interval events in the stream, and constructs user-defined payloads as a result.
/// </summary>
/// <typeparam name="TPayload"></typeparam>
/// <typeparam name="TResult"></typeparam>
/// <param name="stream"></param>
/// <param name="generator">A function that returns an array that will be populated with stream results.</param>
/// <param name="constructor">Method description that constructs result data from the start time, end time, and the payload of each event.</param>
/// <returns></returns>
public static IObservable <ArraySegment <TResult> > ToTemporalArrayObservable <TPayload, TResult>(
this IStreamable <Empty, TPayload> stream,
Func <TResult[]> generator,
Expression <Func <long, long, TPayload, TResult> > constructor)
{
Invariant.IsNotNull(stream, nameof(stream));
return(stream.ToTemporalArrayObservable(
generator,
constructor, null,
Guid.NewGuid().ToString()));
}
/// <summary>
/// Exports a streamable as an observable of events. Produces events that are sync time ordered.
/// Expects only start-edge and interval events in the stream, and constructs user-defined payloads as a result.
/// </summary>
/// <typeparam name="TKey"></typeparam>
/// <typeparam name="TPayload"></typeparam>
/// <typeparam name="TResult"></typeparam>
/// <param name="container">The query container to which an egress point is being added.</param>
/// <param name="identifier">A string that can uniquely identify the point of egress in the query.</param>
/// <param name="stream"></param>
/// <param name="constructor">Method description that constructs result data from the start time, end time, and the payload of each event.</param>
/// <returns></returns>
public static IObservable <ArraySegment <TResult> > RegisterTemporalArrayOutput <TKey, TPayload, TResult>(
this QueryContainer container,
IStreamable <PartitionKey <TKey>, TPayload> stream,
Expression <Func <TKey, long, long, TPayload, TResult> > constructor,
string identifier = null)
{
Invariant.IsNotNull(stream, nameof(stream));
return(stream.ToTemporalArrayObservable(
() => new TResult[Config.DataBatchSize],
constructor, container,
identifier ?? Guid.NewGuid().ToString()));
}
/// <summary>
/// Exports a streamable as an observable of events. Produces events that are sync time ordered.
/// Expects only start-edge and interval events in the stream, and constructs user-defined payloads as a result.
/// </summary>
/// <typeparam name="TPayload"></typeparam>
/// <typeparam name="TResult"></typeparam>
/// <param name="container">The query container to which an egress point is being added.</param>
/// <param name="identifier">A string that can uniquely identify the point of egress in the query.</param>
/// <param name="stream"></param>
/// <param name="generator">A function that returns an array that will be populated with stream results.</param>
/// <param name="constructor">Method description that constructs result data from the start time, end time, and the payload of each event.</param>
/// <returns></returns>
public static IObservable <ArraySegment <TResult> > RegisterTemporalArrayOutput <TPayload, TResult>(
this QueryContainer container,
IStreamable <Empty, TPayload> stream,
Func <TResult[]> generator,
Expression <Func <long, long, TPayload, TResult> > constructor,
string identifier = null)
{
Invariant.IsNotNull(stream, nameof(stream));
return(stream.ToTemporalArrayObservable(
generator,
constructor, container,
identifier ?? Guid.NewGuid().ToString()));
}