net.tascalate.concurrent

Class PromiseOperations

java.lang.Object

net.tascalate.concurrent.PromiseOperations

public class PromiseOperations
extends Object

Method Summary

Modifier and Type	Method and Description
static <T> Promise<T>	drop(CompletionStage<? extends CompletionStage<T>> promise)
static <T> Promise<T>	drop(Promise<? extends CompletionStage<T>> promise)
static <T> Promise<Promise<T>>	lift(CompletionStage<? extends T> promise)
static <T> Promise<Promise<T>>	lift(Promise<? extends T> promise)
static <T> Promise<Optional<T>>	optionalResult(CompletionStage<? extends T> promise)
static <T> Promise<Optional<T>>	optionalResult(Promise<? extends T> promise)
static <T,A,R> Function<Promise<Iterable<T>>,Promise<R>>	partitionedItems(int batchSize, Function<? super T,CompletionStage<? extends T>> spawner, Collector<T,A,R> downstream)
static <T,A,R> Function<Promise<Iterable<T>>,Promise<R>>	partitionedItems(int batchSize, Function<? super T,CompletionStage<? extends T>> spawner, Collector<T,A,R> downstream, Executor downstreamExecutor)
static <T,A,R> Function<Promise<Stream<T>>,Promise<R>>	partitionedStream(int batchSize, Function<? super T,CompletionStage<? extends T>> spawner, Collector<T,A,R> downstream)
static <T,A,R> Function<Promise<Stream<T>>,Promise<R>>	partitionedStream(int batchSize, Function<? super T,CompletionStage<? extends T>> spawner, Collector<T,A,R> downstream, Executor downstreamExecutor)
static <T,F extends Promise<T>> Function<F,F>	peek(Consumer<? super F> fn)
static <T> Promise<Stream<T>>	streamResult(CompletionStage<? extends T> promise)
static <T> Promise<Stream<T>>	streamResult(Promise<? extends T> promise)
static <T,R extends AutoCloseable> Function<Promise<R>,Promise<T>>	tryApply(Function<? super R,? extends T> fn)
static <T,R extends AsyncCloseable> Function<Promise<R>,Promise<T>>	tryApplyEx(Function<? super R,? extends T> fn)
static <T,R extends AutoCloseable> Function<Promise<R>,Promise<T>>	tryCompose(Function<? super R,? extends CompletionStage<T>> fn)
static <T,R extends AsyncCloseable> Function<Promise<R>,Promise<T>>	tryComposeEx(Function<? super R,? extends CompletionStage<T>> fn)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

lift

public static <T> Promise<Promise<T>> lift(CompletionStage<? extends T> promise)

lift

public static <T> Promise<Promise<T>> lift(Promise<? extends T> promise)

drop

public static <T> Promise<T> drop(CompletionStage<? extends CompletionStage<T>> promise)

drop

public static <T> Promise<T> drop(Promise<? extends CompletionStage<T>> promise)

streamResult

public static <T> Promise<Stream<T>> streamResult(CompletionStage<? extends T> promise)

streamResult

public static <T> Promise<Stream<T>> streamResult(Promise<? extends T> promise)

optionalResult

public static <T> Promise<Optional<T>> optionalResult(CompletionStage<? extends T> promise)

optionalResult

public static <T> Promise<Optional<T>> optionalResult(Promise<? extends T> promise)

peek

public static <T,F extends Promise<T>> Function<F,F> peek(Consumer<? super F> fn)

tryApply

public static <T,R extends AutoCloseable> Function<Promise<R>,Promise<T>> tryApply(Function<? super R,? extends T> fn)

tryApplyEx

public static <T,R extends AsyncCloseable> Function<Promise<R>,Promise<T>> tryApplyEx(Function<? super R,? extends T> fn)

tryCompose

public static <T,R extends AutoCloseable> Function<Promise<R>,Promise<T>> tryCompose(Function<? super R,? extends CompletionStage<T>> fn)

tryComposeEx

public static <T,R extends AsyncCloseable> Function<Promise<R>,Promise<T>> tryComposeEx(Function<? super R,? extends CompletionStage<T>> fn)

partitionedItems

public static <T,A,R> Function<Promise<Iterable<T>>,Promise<R>> partitionedItems(int batchSize,
                                                                                 Function<? super T,CompletionStage<? extends T>> spawner,
                                                                                 Collector<T,A,R> downstream)

partitionedItems

public static <T,A,R> Function<Promise<Iterable<T>>,Promise<R>> partitionedItems(int batchSize,
                                                                                 Function<? super T,CompletionStage<? extends T>> spawner,
                                                                                 Collector<T,A,R> downstream,
                                                                                 Executor downstreamExecutor)

partitionedStream

public static <T,A,R> Function<Promise<Stream<T>>,Promise<R>> partitionedStream(int batchSize,
                                                                                Function<? super T,CompletionStage<? extends T>> spawner,
                                                                                Collector<T,A,R> downstream)

partitionedStream

public static <T,A,R> Function<Promise<Stream<T>>,Promise<R>> partitionedStream(int batchSize,
                                                                                Function<? super T,CompletionStage<? extends T>> spawner,
                                                                                Collector<T,A,R> downstream,
                                                                                Executor downstreamExecutor)