- ISBN13: 9789626340189
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Java Message Service (JMS) represents a powerful solution for communicating between Java enterprise applications, software components, and legacy systems. In this authoritative tutorial and comprehensive reference, Sun's Java Message Service architects offer start-to-finish coverage of peer-to-peer JMS development with Java 2 Platform, Enterprise Edition, Release 1.3. JMS is now fully integrated into the J2EE platform -- and this is the first book to show how to make the most of JMS in the context of sophisticated J2EE application development. The authors begin by introducing the JMS API to developers who are new to it. Then, with the help of extensive programming examples, they demonstrate key JMS tec! hniques for enabling applications to create, send, receive, and read messages, and for integrating with existing back office and enterprise systems. Coverage includes: consuming messages asynchronously with message-driven beans; producing messages from application clients; accessing entity beans from message-driven bean; producing messages from session beans; and much more. For all Java developers building applications that must communicate and share information.Aimed at the more experienced Java developer who needs to work with enterprise messaging,
Java Message Service API Tutorial and Reference delivers starter code and a complete reference to all JMS classes that you will need to know to work effectively with this powerful feature of the J2EE platform.
The no-nonsense, just-the-facts approach of this dual tutorial/reference is perhaps its salient feature. It explains the basics of asynchronous messaging and its advantages for robust enterprise-level applica! tions before digging right in to JMS. The authors do a good jo! b at exp laining the difference between point-to-point and publish/subscribe models of message delivery. They also give a laundry list of areas to look at to ensure reliability and robustness in JMS systems, including looking at dos and don'ts for acknowledgement, message priority, and durability.
The real focus early in the book is on the simple, but effective, sample code used to illustrate the basic APIs with short, complete examples. Though somewhat demanding, this code will be for the more experienced reader all you need to get going with JMS. There are examples of both point-to-point and publish-subscribe APIs in action. Importantly, because working with JMS can be tricky, the authors don't skimp on the practical details of compiling, deploying, and running each application. Other examples look at JMS used with Enterprise JavaBeans, including the new EJB 2.0 message bean, plus how to use JMS correctly with session and entity beans. (This can also be tricky, and the author! s go through the steps of packaging up and deploying bean JAR files, as well.)
More than half of this book is an alphabetical listing of the 46 classes available in JMS. Each class is explained, along with options and tips for using the class where appropriate. There is full coverage of basic message and exception classes and the classes you need to use for basic point-to-point and publish/subscribe processing. Obviously, this material is a must for those who prefer a printed reference instead of online help. With a quick-start tutorial and concise (yet complete) reference to all JMS classes, this title will serve a useful function for the working enterprise Java developer. --Richard Dragan
Topics covered: Introduction to messaging, the Java Message Service (JMS) API architecture, point-to-point and publish/subscribe messaging domains described, essential JMS programming APIs (connections, sessions, message producers and consumers), the structure ! of messages, simple point-to-point and publish/subscribe examp! les (inc luding guide to deployment and execution), JMS used with multiple systems (including J2EE and non-J2EE messaging interoperability), JMS reliability mechanisms (acknowledgement, persistence, priority levels, durable subscriptions, local transactions), building J2EE clients used with message, session, and entity beans (including deployment and execution tips), a sample using multiple J2EE servers, reference to all JMS APIs: including topic and message classes, exception classes, queue classes, sessions and connections, and appendix with JMS client examples.Chander is the only tailor in his colony. Though talented, he doesn't like to work hard. He is very lazy. He thinks that one fine day his fortune will shine and he will be a king. His friend Pyare and cloth seller FTV try to convince him to do hard work, but in vain. In this process Chander Tailor meets a fortune-teller who informs that he has "Rajyog" written in his hand. Provided he'll have to marry a "Padmini jati" girl. Additionally that girl should also have a mole on her right lap. Chander is very happy to hear that. He thinks that the time has come for him to become the King. Just marry a girl with mole on thighs. He runs happily. But there's a problem. Pyare and FTV help Chander in remembering Janardhan Bhai. The colony has a saviour in form of Janardhan Bhai. If anyone tries to misbehave with the girls in the colony, he chops off their arms. But for time being he is in the prison. But Janrdhan Bhai has left Jeeva to take care of the colony. But FTV is a old time friend of Jeeva. So FTV manages to bribe Jeeva and carry on the mole searching work smoothly. Chander, Pyare and FTV start searching for the girl with mole. They target a yoga teacher, a widowed doctor and an unmarried girl with poverty. Chander tries out various ways to get close to them and searches for the mole. He stitches beautiful clothes for them and promises to marry each of them. But hell breaks on him when he discovers that there's no mole on any of the three girls laps.HarperCollins is proud to present its new range of best-loved, essential classics. '"I am Kim. I am Kim. And what is Kim?" His soul repeated it again and again.' Set against the backdrop of Britain and Russia's political struggle in central Asia, Kim, the son of a drunken Irish soldier grows up as a street-wise orphan in the city of Lahore. Upon befriending an aged Tibetan Lama, the playful and spirited Kim journeys with him across India, experiencing the exotic culture, religion and people of the subcontinent. On their travels they come across Kim's father's old army regiment. The Colone! l quickly spots Kim's ability to blend into his surroundings and trains him to become a spy for the British Army. As his adventures take him further into the world of secret agents and political intrigue, Kim is torn between his spiritual self and the expectations of his British compatriots. In this exotic tale of mystery, friendship and struggle, Kipling gives a fascinating insight into the British Raj and the volatile age of Imperialism in India.One of the particular pleasures of reading Kim is the full range of emotion, knowledge, and experience that Rudyard Kipling gives his complex hero. Kim O'Hara, the orphaned son of an Irish soldier stationed in India, is neither innocent nor victimized. Raised by an opium-addicted half-caste woman since his equally dissolute father's death, the boy has grown up in the streets of Lahore:
Though he was burned black as any native; though he spoke the vernacular by preference, and his mother-tongue in a c! lipped uncertain sing-song; though he consorted on terms of p! erfect e quality with the small boys of the bazar; Kim was white--a poor white of the very poorest.
From his father and the woman who raised him, Kim has come to believe that a great destiny awaits him. The details, however, are a bit fuzzy, consisting as they do of the woman's addled prophecies of "'a great Red Bull on a green field, and the Colonel riding on his tall horse, yes, and'--dropping into English--'nine hundred devils.'"
In the meantime, Kim amuses himself with intrigues, executing "commissions by night on the crowded housetops for sleek and shiny young men of fashion." His peculiar heritage as a white child gone native, combined with his "love of the game for its own sake," makes him uniquely suited for a bigger game. And when, at last, the long-awaited colonel comes along, Kim is recruited as a spy in Britain's struggle to maintain its colonial grip on India. Kipling was, first and foremost, a man of his time; born and raised in India ! in the 19th century, he was a fervid supporter of the Raj. Nevertheless, his portrait of India and its people is remarkably sympathetic. Yes, there is the stereotypical Westernized Indian Babu Huree Chander with his atrocious English, but there is also Kim's friend and mentor, the Afghani horse trader Mahub Ali, and the gentle Tibetan lama with whom Kim travels along the Grand Trunk Road. The humanity of his characters consistently belies Kipling's private prejudices, and raises Kim above the mere ripping good yarn to the level of a timeless classic. --Alix Wilber
