Hello!
I have created a component, as explained in the tutorials. Let's call it
"Component". Component has two services, ServiceA and ServiceB. Both of
these services take a while to complete, and should be executed in sequence,
since ServiceB depends on the completion of ServiceA.
I declare my services like this:
public Interface ServiceA
{
Object getStuff();
}
public Interface ServiceAObject extends IServiceA, runnable
{
void setStuff(Object stuff);
}
public Class ServiceAImpl implements ServiceAObject
{
private Object stuff;
Object getStuff()
{
return stuff;
}
void setStuff(Object stuff)
{
this.stuff = stuff;
}
}
Same idea for ServiceB.
My Avalon service providers implement ServiceA and ServiceB respectively.
My questions are:
1. When I was using only ServiceA, I only had to make a call to
getStuff() in initialize(). At that time, I didn't really
stop to think about the mechanism. I would like to know
what actually fires off the service.
2. How can I get Component to wait for the completion of
ServiceA so I can fire ServiceB?
I tried making a direct call to serviceA.start(), but that didn't work. I
don't think that I should be making my service providers Runnable.
So, there's something I'm not getting here...
Can anybody help me understand this, please?
Thanks so much!!
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