Re: Action (accessing jdbc-pooll) using Avalon components

Tue, 19 Oct 2004 05:45:00 -0700 

Thanks for the quick respone Jorg.

in service() set the manager to an instance variable, then access it in act() 
Since my Java isn't this good, could you give me an example how to do that.

Cheers
jonny

From: Jorg Heymans <[EMAIL PROTECTED]>
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Re: Action (accessing jdbc-pooll) using Avalon components
Date: Tue, 19 Oct 2004 13:32:51 +0200

in service() set the manager to an instance variable, then access it in act() - or did i completely miss your point?

Jonny Pony wrote: 
Hi,

I want my action to access the jdbc-pool configured in the cocoon.xconf.

My try so far:


package foo.bar.acting;

import java.sql.*;
import org.apache.avalon.framework.service.*;
...


public class PoolTest extends AbstractAction implements Serviceable{

    public Map act(Redirector redirector, SourceResolver resolver,
            Map objectModel, String source, Parameters params) {
        ...
        /*
            I want to use the service method below in this action
            But how??
        */
    }

    public void service(ServiceManager manager) throws ServiceException {

ServiceManager serviceManager = null;
ServiceSelector selector = (ServiceSelector) serviceManager.lookup(DataSourceComponent.ROLE + "Selector");

DataSourceComponent ds = (DataSourceComponent) selector.select("mysql-test");
Connection con = null;
...

        try {
            con = ds.getConnection();
            ...
        } catch (Exception e) {
        } finally {
            try {
                con.close();
            } catch (Exception e) {
            }
            if (selector != null)
                selector.release(ds);
            if (serviceManager != null)
                serviceManager.release(selector);
        }
    }
}

My question is how to use the service method in this action. Or more precise, how to access it?
Do I pass an empty ServiceManager?

Jonny

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