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From David Jencks <>
Subject Re: Geronimo Features.
Date Wed, 28 Sep 2005 01:16:04 GMT
To amplify a little bit on Jeremy's response...
On Sep 26, 2005, at 12:28 AM, Manu George wrote:

> Hi,
>         I have a few doubts about geronimo features. I checked out the 
> release notes from M4 but would like to know if there is any document 
> listing the features added upto now. Specifically I have a few 
> questions
>         1) Does Geronimo have datasource failover capabilities like in 
>         2) How many connection managers does geronimo support? Can 
> custom connection managers be plugged in?
The connection manager is interceptor based so it is pretty flexible.  
At the moment you cannot plug in a custom connection manager, but this 
capability could be added fairly easily.  I would need to know what the 
alternate connection manager does before pursuing this.  I suspect you 
are more likely to want to replace the entire jca subsystem or want to 
improve the existing geronimo connection manager.
>         3) Geronimo does not yet handle drivers that supply their own 
> DataSource,Is this statement still valid?
>  How many types of datasources does geronimo support?
Tranql has generic wrappers for DataSource, ConnectionPoolDatasource, 
and XADataSource.  For all of these you are going to want to write at 
least a ManagedConnectionFactory implementation that exposes the actual 
properties you can set on the datasource, a task that is apt to take 
about 5 minutes.
>         4) Can you connect to RDBMS's that have not yet implemented 
> JCA-JDBC drivers in geronimo?
Yes, using the tranql connector jca-jdbc wrappers.

david jencks

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