Ok, what we did seems to have worked, but if anyone has a better way to do this, or
can see any potential problems, please let me know.
First, we made our deployer MBean depend on the ManagedConnectionFactory service for
our datasource. Without this dependency, our MBean was starting up and trying to
modify the settings of the MCF before it was up and running.
In our MBean, as soon as we read the encrypted username and password, we lookup and
call the setManagedConnectionFactoryAttribute method of the MCF. This is illustrated
by the following code...
EncryptedProperties props = new EncryptedProperties("enc.properties");
MBeanServer server = (MBeanServer)
MBeanServerFactory.findMBeanServer(null).iterator().next();
ObjectName objectName = new
ObjectName("jboss.jca:service=ManagedConnectionFactory,name=EsmDS");
server.invoke(objectName, "setManagedConnectionFactoryAttribute",
new Object[] { "UserName", String.class,
props.getProperty(BridgeProperties.DB_ACCOUNT_NAME) },
new String[] { "java.lang.String", "java.lang.Class",
"java.lang.Object" });
server.invoke(objectName, "setManagedConnectionFactoryAttribute",
new Object[] { "Password", String.class,
props.getProperty(BridgeProperties.DB_ACCOUNT_PASSWORD) },
new String[] { "java.lang.String", "java.lang.Class",
"java.lang.Object" });
This approach appears to work since we are able to lookup the connection in jndi and
obtain connections from it (without having to pass credentials to the ds in the
getConnection call).
Even though it works, the solution feels a little dirty to me. For starters, I don't
like the dependency that has been created between the datasource and our deployer
service. I am also worried that in the future this model will be broken when we move
over to supporting the DB2 8.1 XADatasource.
Any ideas, or is this the best that we can do?
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