theReplyDestination = replyDestination;
initialContext = context;
jmsBaseConfigBean = tbb;
jmsDestConfigBean = db;
JMSSessionPoolConfigPolicy sessionPoolConfig = jmsBaseConfigBean.getSessionPoolConfig();
lowWaterMark = sessionPoolConfig.getLowWaterMark();
highWaterMark = sessionPoolConfig.getHighWaterMark();
// create session caches (REVISIT sizes should be configurable)
//