Creating a connection to ESB ( Web Logic, connection factory) java -

i started , want create program in java can connect esb. have been doing research , 'connection factory' keeps cropping default object creates connection. i'm still bit confused , appreciate if explain purpose of connection factory , how created - having tough time understanding. appreciate links/tutorials at.

connection factories objects enable jms clients create jms connections. connection factory supports concurrent use, enabling multiple threads access object simultaneously. weblogic provides default connection factory if doesn't suit need, high throughput, can create own.

this excellent tutorial: http://oraclesoaandoim.blogspot.com/2012/01/weblogic-1035-create-connection.html

another solid jms tutorial: http://middlewaremagic.com/weblogic/?p=6334

weblogic documentation on jms here: http://docs.oracle.com/cd/e13222_01/wls/docs70/jms/implement.html