December 2002
Intermediate to advanced
1050 pages
24h 49m
English
Content preview from J2EE™ and Beyond: Design, Develop, and Deploy World-Class Java™ SoftwareBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Bean-Managed Transactions
Using BMT, the transaction is controlled programmatically in the code surrounding the update operations. BMT allows transaction demarcation, the selection of transaction boundaries, to be any arbitrary location in the code, as shown in the following example.
... javax.transaction.UserTransaction ut; javax.ejb.EJBContext context; ... try { // // establish the connections and create the // statements // InitialContext init = new InitialContext(); DataSource accountingDS = init.lookup( "java:comp/env/jdbc/accounting"); DataSource legacyAccountingDS = init.lookup( "java:comp/env/jdbc/accountingL"); java.sql.Connection conAcctg = accountingDS.getConnection(); java.sql.Connection conLegacy = accountingDS.getConnection(); ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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