Over a million developers have joined DZone.
{{announcement.body}}
{{announcement.title}}

Toro 0.7 Released

DZone's Guide to

Toro 0.7 Released

· Java Zone ·
Free Resource

Learn how to build stream processing applications in Java-includes reference application. Brought to you in partnership with Hazelcast.

I've just released version 0.7 of Toro. Toro provides semaphores, locks, events, conditions, and queues for Tornado coroutines. It enables advanced coordination among coroutines, similar to what you do in a multithreaded application. Get the latest version with "pip install --upgrade toro". Toro'sdocumentation, with plenty of examples, is on ReadTheDocs.

There is one bugfix in this release. Semaphore.wait() is supposed to wait until the semaphore can be acquired again:

@gen.coroutine
def coro():
    sem = toro.Semaphore(1)
    assert not sem.locked()

    # A semaphore with initial value of 1 can be acquired once,
    # then it's locked.
    sem.acquire()
    assert sem.locked()

    # Wait for another coroutine to release the semaphore.
    yield sem.wait()

... however, there was a bug and the semaphore didn't mark itself "locked" when it was acquired, so "wait" always returned immediately. I'm grateful to"abing" on GitHub for noticing the bug and contributing a fix.

Learn how to build distributed stream processing applications in Java that elastically scale to meet demand- includes reference application.  Brought to you in partnership with Hazelcast.

Topics:

Published at DZone with permission of

Opinions expressed by DZone contributors are their own.

{{ parent.title || parent.header.title}}

{{ parent.tldr }}

{{ parent.urlSource.name }}