OEvent()
função é usada para criar umevento de threadobjeto, que é usado para a sincronização entre os tópicos, permitindo que um tópico espere por notificação ou sinal de outro tópico.
OEvent()
função retorna aThreadEvent
object.
ThreadEvent
Objeto
Eventos
function consumer(productionQuantity, dict, pEvent, cEvent) {
for (var i = 0; i < productionQuantity; i++) {
while (dict.get("array").length == 0) {
pEvent.wait()
}
if (pEvent.isSet()) {
pEvent.clear()
}
var arr = dict.get("array")
var count = arr.shift()
dict.set("array", arr)
Log("consumer:", count, ", array:", arr)
cEvent.set()
Sleep(1000)
}
}
function producer(productionQuantity, dict, pEvent, cEvent) {
for (var i = 0; i < productionQuantity; i++) {
while (dict.get("array").length != 0) {
cEvent.wait()
}
if (cEvent.isSet()) {
cEvent.clear()
}
var arr = dict.get("array")
arr.push(i)
dict.set("array", arr)
Log("producer:", i, ", array:", arr)
pEvent.set()
Sleep(1000)
}
}
function main() {
var dict = threading.Dict()
dict.set("array", [])
var pEvent = threading.Event()
var cEvent = threading.Event()
var productionQuantity = 10
var producerThread = threading.Thread(producer, productionQuantity, dict, pEvent, cEvent)
var consumerThread = threading.Thread(consumer, productionQuantity, dict, pEvent, cEvent)
consumerThread.join()
producerThread.join()
}
Dois tópicos simultâneos acessam um recurso comum.
Suporta sistema de backtesting e ambiente de negociação ao vivo.
{@fun/Threads/threading/getThread getThread}, {@fun/Threads/threading/mainThread mainThread}, {@fun/Threads/threading/currentThread currentThread}, {@fun/Threads/threading/Lock Lock}, {@fun/Threads/threading/Condition Condition}, {@fun/Threads/threading/threading/Thread Thread}, {@fun/Threads/threading/Dict Dict}, {@fun/Threads/threading/pending pending}, {@fun/Threads/threading/eventLoop eventop}
Condição Dicionário