Javaâ¢ Application Development on Linux - Dator

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500Chapter 22Building an EJBExample 22.4 Sample local interfacepackage com.jadol.budgetpro;import javax.ejb.*;import java.rmi.*;/*** Local Interface for the Money EJB*/public interfaceMoneyLocalextends EJBLocalObject{// the methods which we will call} // interface MoneyLocalExample 22.5 Sample local home interfacepackage com.jadol.budgetpro;import javax.ejb.*;import java.rmi.*;/*** Local Home Interface*/public interfaceMoneyLocalHomeextends EJBLocalHome{public MoneyLocalcreate()throws CreateException;} // interface MoneyLocalHomeand a local home interface (Example 22.5). The local interface is in place of theremote interface and extends EJBLocalObject. The local home interface is inplace of the remote home interface and extends EJBLocalHome.Why bother? Well, there’s no need to marshal and unmarshal all that dataif the calls are staying on the same host. This saves execution time. Perhapsmore importantly, since the arguments don’t have to be marshaled and
22.2 EJBs: You Don’t Know Beans?501unmarshaled, they don’t have to be serializable. For some applications, this isthe only way that they can use beans.Finally, keep in mind that the choice of local versus remote interfaces isnot necessarily an either-or choice. For our session bean we have defined bothkinds of interfaces. Then the deployment can determine which one will be used.22.2.6 Compiling Your BeansIn order to compile these bean-related Java classes, you need to have a J2EEJAR in your classpath. If you’ve installed JBoss into /usr/local/jboss, youcould add the JAR to your classpath this way:export CLASSPATH="/usr/local/jboss/client"\"/jboss-j2ee.jar:.:${CLASSPATH}"If you have the Sun J2EE reference implementation installed on yoursystem (in /usr/local), then you could use:export CLASSPATH="/usr/local/SUNWappserver"\"/lib/j2ee.jar:.:${CLASSPATH}"If you have Geronimo installed on your system (with an environmentvariable GHOME to hold its location), then you would use: 1export CLASSPATH="${GHOME}/repository/geronimo-spec/jars"\"/geronimo-spec-j2ee-1.0-M1.jar:.:${CLASSPATH}"In any case, the point is to have in your classpath the JAR file whichcontains the javax/ejb/ classes, such as EJBObject.class. If you haven’tinstalled one of these containers on your machine, then download a copy ofthe JAR from the machine where that container is installed. Put your copysomewhere in your classpath, as in the examples above.1. Our JAR is named geronimo-spec-j2ee-1.0-M1.jar but yours will likely have a differentname by the time the J2EE-certified version of Geronimo is available. It may likely justhave the trailing -M1 dropped from the name; check in the geronimo-spec/jars directory.Another option is to use any of the J2EE JARs, for example, from the Sun reference implementation.That’s the advantage of standards. Any of them should work for this compilation step.The resulting compiled code should be deployable to any server. “Compile once, runanywhere,” right?
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Java Application
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Java Application
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To my mother, for her love of words
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viiiContents1.41.51.6Chapter 22.12.
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xContents5.65.75.85.95.105.115.125.
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xiiContentsChapter 99.19.29.39.49.5
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xivContentsChapter 1313.113.213.313
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xviContentsChapter 1717.117.217.317
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xviiiContents20.620.720.820.920.102
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PrefaceJAVA AND LINUXWhy another bo
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PrefacexxiiiFREE SOFTWARE AND JAVAG
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Prefacexxvand Tyrrell Albaugh, who
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xxviiiIntroductionIf you are an exp
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xxxIntroductionThe Linux Newbie Pat
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Part IGetting Started
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4Chapter 1An Embarrassment of Riche
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10Chapter 1An Embarrassment of Rich
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Chapter 2An Embarrassment of Riches
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2.2 Eye to Eye with vi35of their co
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2.2 Eye to Eye with vi37• L (“l
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2.2 Eye to Eye with vi39In both cas
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2.2 Eye to Eye with vi41• :7,.w!
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2.2 Eye to Eye with vi431,$s/Tryout
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2.3 Editors Galore45affected by thi
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2.3 Editors Galore47has a huge lear
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2.6 Resources49• fte is an editor
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52Chapter 3An Experienced Programme
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100Chapter 4Where Am I? Execution C
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116Chapter 5The Sun Microsystems Ja
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168Chapter 6The IBM Developer Kit f
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Chapter 7The GNU Compiler for Java(
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7.4 Compiling Our Simple Ap
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7.4 Compiling Our Simple Ap
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7.5 Options and Switches1857.5OPTIO
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7.9 What You Still Don’t Know187o
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Chapter 8Know What You Have:CVSSour
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8.2 Source Control: Whys and Hows19
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8.3 A GUI: jCVS211and the differenc
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8.4 Review213Figure 8.7 jCVS checko
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Chapter 9Ant:An IntroductionAnt 1 i
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9.3 Obtaining and Installing Ant217
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9.3 Obtaining and Installing Ant219
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9.4 A Sample Ant Buildfile221standa
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9.4 A Sample Ant Buildfile2239.4.2.
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9.4 A Sample Ant Buildfile225$ antB
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9.4 A Sample Ant Buildfile227debugI
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9.4 A Sample Ant Buildfile229Exampl
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9.4 A Sample Ant Buildfile231Runnin
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9.7 Resources233• O’Reilly has
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236Chapter 10Integrated Dev
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Chapter 11Balancing Acts:An Imagina
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11.3 How to Develop Software265soft
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11.4 What Makes a Good Requirement2
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11.6 Requirements for the Budget <s
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11.6 Requirements for the Budget <s
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11.7 Documenting, Prototyping, and
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11.7 Documenting, Prototyping, and
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11.11 Exercises277• http://www.pr
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Chapter 12Analysis and Design:Seeki
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12.4 Finding the Objects281Accounta
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12.5 Finding the Methods and Attrib
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12.6 Essential and Nonessential285
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12.7 Analysis Paralysis287• Class
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12.12 Resources28912.9CORE CLASSESS
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12.12 Resources291if (dbConn != nul
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12.13 Exercises293Example 12.2 The
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296Chapter 13JUnit: Automating Unit
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Chapter 14Storing the DataIn this c
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14.5 Oracle, PostgreSQL, MySQL31714
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14.7 Beyond the Basics319files, and
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14.7 Beyond the Basics321Hibernate
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14.9 Setting Up PostgreSQL for Budg
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14.10 Review32514.9.4 Straight JDBC
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Chapter 15Accessing the Data:An Int
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15.3 Making Connections329These thr
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15.3 Making Connections331Example 1
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15.4 Querying Data333// queryString
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15.5 Getting Results335TIPThe case
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15.9 Resources337We haven’t cover
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Part IIIDevelopingGraphical User In
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342Chapter 16Getting in the Swing o
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378Chapter 17Other Ways: Alternativ
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Part IVDevelopingWeb Interfaces
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404Chapter 18Servlets: Java Pressed
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Chapter 19JSP:Servlets Turned Insid
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19.2 Servlets Turned Inside Out: JS
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19.3 How to Write a JSP App
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19.5 Review439into JSP files. The m
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19.8 Exercises441To get it straight
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444Chapter 20Open Source Web <stron
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Page 554 and 555: 522Chapter 24Parting ShotsThe three
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Page 558 and 559: 526Appendix AASCII ChartInt Oct Hex
Page 560 and 561: 528Appendix BA Java Swing GUI for B
Page 571 and 572: Appendix CGNUGeneral Public License
Page 573 and 574: C.2 Terms and Conditions for Copyin
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Page 577 and 578: C.3 NO WARRANTY545of this License,
Page 579: C.5 How to Apply These Terms to You
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550Index$ (dollar)in format fields,
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552Indexbreak statement, 67, 74-75b
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554IndexCVS_RSH environment variabl
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556IndexFfail(), 307false constant,
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558IndexIBM, 236, 377, 518Common Pu
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560IndexJNDI (Java Naming and Direc
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562IndexNetBeans (continued)running
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564IndexScrollBar class, 385search
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566IndexTable class, 386, 394-395ta
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