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有人可以幫助爲這個抽象Akka actor僞代碼編寫測試用例。如何爲抽象Akka actor的監督策略編寫測試用例
我面對的問題是所有的監督策略信息(作爲測試用例的一部分發送)正在被父母所使用,而不是將其監督策略應用於其子女。
父抽象演員創建孩子。
Abstract class Parent extends UntypedActor {
String name;
int noOfChildActors;
//this set is used to manage the children i.e noOfChildActors = children.size()
Set<ActorRef> children;
public Parent(String name, int noOfChildActors, Props childProps){
this.name=name;
this.noOfChildActors = noOfChildActors;
createChildern(childProps);
}
public void createChildern(Props props){
for(int i = 0 ; i< no_of_child_actors;i++)
final ActorRef actor = getContext().actorOf(props, "worker"+i);
getContext().watch(actor);
children.add(actor);
}
@Override
public void onReceive(final Object message) {
//actor functionalities goes here.
}
@Override
public SupervisorStrategy supervisorStrategy() {
return defaultSupervisorStrategy();
}
private SupervisorStrategy defaultSupervisorStrategy() {
return new AllForOneStrategy(-1, Duration.Inf(), new Strategy());
}
private class Strategy implements Function<Throwable, Directive> {
@Override
public Directive apply(final Throwable t) {
//my own strategies.
}
}
//child managing methods.
//Abstract functions
}
延伸父類
兒童類
class Child extends Parent{
String name;
public static Props props(final String name, int noOfChildActors, Props childProps) {
return Props.create(Child.class, name, noOfChildActors, childProps);
}
public Child(String name, int noOfChildActors, Props childProps){
super(name, noOfChildActors, childProps);
}
//followed by my abstract function definition
}
//測試用例
private static final FiniteDuration WAIT_TIME = Duration.create(5, TimeUnit.SECONDS);
JavaTestKit sender = new JavaTestKit(system);
final Props props = Child.Props("name", 3, Props.empty());
ActorRef consumer = system.actorOf(props, "test-supervision");
final TestProbe probe = new TestProbe(system);
probe.watch(consumer);
consumer.tell(ActorInitializationException.class, sender.getRef());
probe.expectMsgClass(WAIT_TIME, Terminated.class);
感謝約翰回答這一問題。我明白Akka的父母與OO模特不同。我提供的僞碼是一個API。抽象類「Parent」創建子actor(它們是Kafka集羣的生產者和消費者)。你能幫助如何檢驗對其「家長」的監督嗎? –
看看這部分的文檔:http://doc.akka.io/docs/akka/2.4/java/testing.html#Testing_parent-child_relationships它應該給你一些想法 – johanandren