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Calling any java method as thread

Posted on 2008-06-16
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Last Modified: 2013-12-29
I have an existing webservices project, with 100+ class files,  each one basically runs a query, and return results.
I need to build some new hits that do several various hits asynchronously.  Then return data.  How can I do this without making a bunch of modifications(or as little as possible) to the various class files.  It needs to be done at this webservice level, I can't have the calling applications do the hits asynchronously.

So my visualized solution is something like:
String a =CallAsThread(ClassLoader.SomeClass.getTheseDBConfigs(),ClassLoader.SomeClass2.getTheseDBConfigs2()));

Where CallAsThread calls the 2 different classes as threads, joins them, gets and returns there results or however this can be accomplished.
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Question by:itbeme
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3 Comments
 
LVL 92

Accepted Solution

by:
objects earned 1000 total points
ID: 21798837
Runnable a = new Runnable()
{
   public void run()
   {
       callOne();
    }
};
Runnable b = new Runnable()
{
   public void run()
   {
       callTwo();
    }
};
Thread t1 = a.start();
Thread t2 = b.start();
t1.join();
t2.join();

0
 
LVL 86

Expert Comment

by:CEHJ
ID: 21803555
The secret will be in encapsulation here. You say

>>String a =CallAsThread...

Does this mean that you want the result to be in some way a concatenation of strings that are the results of the independent queries?
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LVL 3

Author Closing Comment

by:itbeme
ID: 31467820
To be able to do the way suggested I declared a new thread object passing the Runnable object as a paremeter

          Thread t1 = new Thread (new Runnable() {
            public void run() {
                        results1=doThis1();
                        }
                    }
             );
        Thread t2 = new Thread (new Runnable() {
            public void run() {
                  results2=doThis2();
                        }
                    }
             );
             t1.start();
             t2.start();
          t1.join();
          t2.join();

Thanks
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