public static async Task <SimplerCheckpointingQueryEngine> CreateNewAsync(IQueryEngineStateStore store, IReadOnlyDictionary <string, object> context = null, IIngressEgressManager ingressEgressManager = null, TraceSource traceSource = null)
{
#pragma warning disable CA2000 // Dispose objects before losing scope. (Engine takes ownership.)
var sch = new LogicalScheduler(Scheduler);
#pragma warning restore CA2000
var engine = new SimplerCheckpointingQueryEngine(new Uri("reaqtor://engine/" + Guid.NewGuid().ToString("D")), sch, store, context, ingressEgressManager, traceSource);
var ctx = engine.Client;
await DeployQueryOperators.DefineAsync(ctx).ConfigureAwait(false);
await ctx.DefineObserverAsync(new Uri("reaqtor://shebang/observers/cout"), ctx.Provider.CreateQbserver <T>(Expression.New(typeof(ConsoleObserver <T>))), null, CancellationToken.None).ConfigureAwait(false);
await ctx.DefineObservableAsync <TimeSpan, DateTimeOffset>(new Uri("reaqtor://shebang/observables/timer"), t => new TimerObservable(t).AsAsyncQbservable(), null, CancellationToken.None).ConfigureAwait(false);
await ctx.DefineObserverAsync <string, T>(new Uri("reaqtor://shebang/observers/egress"), stream => new EgressObserver <T>(stream).AsAsyncQbserver(), null, CancellationToken.None).ConfigureAwait(false);
await ctx.DefineObservableAsync <string, T>(new Uri("reaqtor://shebang/observables/ingress"), stream => new IngressObservable <T>(stream).AsAsyncQbservable(), null, CancellationToken.None).ConfigureAwait(false);
await ctx.DefineObservableAsync <IAsyncReactiveQbservable <object>, T>(new Uri("rx://observable/oftype"), source => source.Where(o => o is T).Select(o => (T)o), null, CancellationToken.None).ConfigureAwait(false);
await ctx.DefineObservableAsync <IAsyncReactiveQbservable <object>, T>(new Uri("rx://observable/cast"), source => source.Select(o => (T)o), null, CancellationToken.None).ConfigureAwait(false);
await ctx.DefineObserverAsync <T>(new Uri("reaqtor://shebang/observers/nop"), () => NopObserver <T> .Instance.AsAsyncQbserver(), null, CancellationToken.None).ConfigureAwait(false);
await engine.CheckpointAsync().ConfigureAwait(false);
return(engine);
}
public static async Task <SimplerCheckpointingQueryEngine> RecoverAsync(IQueryEngineStateStore store, IReadOnlyDictionary <string, object> context = null, IIngressEgressManager ingressEgressManager = null, TraceSource traceSource = null)
{
#pragma warning disable CA2000 // Dispose objects before losing scope. (Engine takes ownership.)
var sch = new LogicalScheduler(Scheduler);
#pragma warning restore CA2000
var engine = new SimplerCheckpointingQueryEngine(new Uri("reaqtor://engine/" + Guid.NewGuid().ToString("D")), sch, store, context, ingressEgressManager, traceSource);
await engine.RecoverAsync().ConfigureAwait(false);
return(engine);
}
