Examples with ExecResult ratpack.exec.ExecResult used on opensource projects

Example 1 with ExecResult

use of ratpack.exec.ExecResult in project ratpack by ratpack.

the class BlockingHttpClient method request.

public ReceivedResponse request(HttpClient httpClient, URI uri, ExecController execController, Duration timeout, Action<? super RequestSpec> action) throws Throwable {
    CountDownLatch latch = new CountDownLatch(1);
    AtomicReference<ExecResult<ReceivedResponse>> result = new AtomicReference<>();
    execController.fork().start(e -> httpClient.request(uri, action.prepend(s -> s.readTimeout(Duration.ofHours(1)))).map(response -> {
        TypedData responseBody = response.getBody();
        ByteBuf responseBuffer = responseBody.getBuffer();
        ByteBuf heapResponseBodyBuffer = unreleasableBuffer(responseBuffer.isDirect() ? TestByteBufAllocators.LEAKING_UNPOOLED_HEAP.heapBuffer(responseBuffer.readableBytes()).writeBytes(responseBuffer) : responseBuffer.retain());
        return new DefaultReceivedResponse(response.getStatus(), response.getHeaders(), new ByteBufBackedTypedData(heapResponseBodyBuffer, responseBody.getContentType()));
    }).connect(new Downstream<ReceivedResponse>() {

        @Override
        public void success(ReceivedResponse value) {
            result.set(ExecResult.of(Result.success(value)));
            latch.countDown();
        }

        @Override
        public void error(Throwable throwable) {
            result.set(ExecResult.of(Result.error(throwable)));
            latch.countDown();
        }

        @Override
        public void complete() {
            result.set(ExecResult.complete());
            latch.countDown();
        }
    }));
    try {
        if (!latch.await(timeout.toNanos(), TimeUnit.NANOSECONDS)) {
            TemporalUnit unit = timeout.getUnits().get(0);
            throw new IllegalStateException("Request to " + uri + " took more than " + timeout.get(unit) + " " + unit.toString() + " to complete");
        }
    } catch (InterruptedException e) {
        throw Exceptions.uncheck(e);
    }
    return result.get().getValueOrThrow();
}

Example 2 with ExecResult

use of ratpack.exec.ExecResult in project ratpack by ratpack.

the class DefaultParallelBatch method yieldAll.

@Override
public Promise<List<? extends ExecResult<T>>> yieldAll() {
    List<Promise<T>> promises = Lists.newArrayList(this.promises);
    if (promises.isEmpty()) {
        return Promise.value(Collections.emptyList());
    }
    List<ExecResult<T>> results = Types.cast(promises);
    AtomicInteger counter = new AtomicInteger(promises.size());
    return Promise.async(d -> {
        for (int i = 0; i < promises.size(); ++i) {
            final int finalI = i;
            // noinspection CodeBlock2Expr
            Execution.fork().onStart(execInit).onComplete(e -> {
                if (counter.decrementAndGet() == 0) {
                    d.success(results);
                }
            }).start(e -> promises.get(finalI).result(t -> {
                results.set(finalI, t);
            }));
        }
    });
}