I wouldn't put my database connections in the entity beans. Instead
create a pool of Session beans that can grow and shrink as necessary.
I would also be wary of replication issues in the design phase.
-----------------------------------------------------------
Scott Durrant | ... send lawyers, guns
[EMAIL PROTECTED] | and money ...
-----------------------------------------------------------
On Thu, 13 Apr 2000, Louth, William (Exchange) wrote:
> Hi,
>
> I do not understand eactly why you would want to know which bean (pk
> identity) is loaded and within a transaction if thats what your asking. How
> the containers reause instances across transactions and handles concurrency
> is really of no concern during your bean development and really should not
> influence any coding issues. Maybe you could elaborate on why you need this
> info.
>
> kind regards,
>
> William
>
> > -----Original Message-----
> > From: Giri [SMTP:[EMAIL PROTECTED]]
> > Sent: Thursday, April 13, 2000 2:18 PM
> > To: [EMAIL PROTECTED]
> > Subject: Load Balancing using Entity Beans
> >
> > Hi All,
> >
> > I am using atleast 2 Entity Beans , each of which maintain a
> > Database connection. Now inside Stateful Session Bean I am accessing the
> > Database through the
> > connection provided by the entity Beans.
> >
> > My question is suppose 2 clients are accessing the Session
> > Bean, and if the Session Bean created by client1 is accessing Entity Bean
> > 1 , how can I route my 2nd
> > Session Bean created by client2 to the "Entity Bean2"?
> >
> > All the 2 Entity Beans are created during client1 calling the
> > ejbHome.create() of Session Bean1.
> >
> > The attributes of " Session Bean" class are :
> > EntityBeanHome th;
> > EntityBean items[] = new EntityBean[2];
> > protected transient Context ctx;
> >
> >
> > Is there any method which can tell me whether the particular Entity Bean
> > is free or in use?
> >
> >
> > public void ejbCreate()
> > {
> >
> > try
> > {
> > ctx = new InitialContext();
> >
> > try
> > {
> > th = (EntityBeanHome) ctx.lookup("EntityBeanEJB");
> >
> > System.out.println("\n After JNDI lookup... " );
> >
> >
> > for (int i = 0; i < 2; i++)
> > {
> > System.out.println("\n Inside for loop... " );
> >
> > try
> > {
> > System.out.println("\n Inside try block... " );
> >
> > items[i] = th.findByPrimaryKey(new EntityBeanPK(i));
> > }
> > catch (FinderException e)
> > {
> > try
> > {
> > System.out.println("\n Inside try block of catch...
> > " );
> >
> > items[i] = th.create(i);
> > System.out.println("Creating... " + i);
> > }
> > catch (CreateException ee)
> > {
> > System.out.println("Unable to create transcript");
> > System.out.println(ee);
> > ee.printStackTrace();
> > }
> > }
> > } // end of for loop
> > } // end of try
> > catch (NamingException e)
> > {
> > System.out.println(e.getMessage());
> > System.out.println("Explanation " + e.getExplanation());
> > e.printStackTrace();
> > }
> > catch (Exception e)
> > {
> > System.out.println(e);
> > e.printStackTrace();
> > }
> >
> >
> > Please Help ..
> >
> > Thanx in advance..
> >
> > ==========================================================================
> > =
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> > of the message "signoff EJB-INTEREST". For general help, send email to
> > [EMAIL PROTECTED] and include in the body of the message "help".
>
>
> ***********************************************************************
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> account or account activity contained in this communication.
> ***********************************************************************
>
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