Re: Using Executors / newSingleThreadExecutor

From:
Daniel Pitts <newsgroup.spamfilter@virtualinfinity.net>
Newsgroups:
comp.lang.java.help
Date:
Mon, 21 Dec 2009 15:45:21 -0800
Message-ID:
<mMTXm.12673$eH1.11697@newsfe16.iad>
Peter wrote:

Hi,

I am investigating using threads using Executors/Callable instead of
the Runnable implementation i normally use.
To simplify my problem i created some code which is shown below.
My expectation was that immediately after submitting a thread using
the submit method, the method returned to the main thread (and
printing "Thread submitted"). Now the output is ;

Thread submitting
Entered thread
java.lang.Exception: Got tired waiting
    at theater.CallableTest$MyThread.<init>(CallableTest.java:27)
    at theater.CallableTest.startThread(CallableTest.java:46)
    at theater.CallableTest.main(CallableTest.java:69)

This implies that MyThread is not started as a new thread but is
called as a method in the main thread.
I probably make a beginners error, but am currently currently unaware
of which ...


You are doing all of your work in the constructor of MyThread (which
should be called MyCallable BTW). You should do the work inside your
call() method instead.

Hopefully that helps.

--
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