barcode generator vb.net source code THE TEN STEPS OF MIGRATION in Java

Creator data matrix barcodes in Java THE TEN STEPS OF MIGRATION

<echo>----[ Compiling EJB Source Files ]----------</echo> <javac srcdir="${EJB_SOURCE}" destdir="${EJB_BUILD}" > <classpath> <pathelement location="${EJB_JAR}"/> <pathelement location="${INCLUDE_JARS}"/> </classpath> </javac> </target> <!-================================================== Create the EJB JAR File ================================================== --> <target name="jar_ejb" depends="compile_ejb"> <tstamp/> <echo>---[ Copying META-INF Files ]--------------</echo> <copy todir="${EJB_BUILD}/META-INF"> <fileset dir="${META_SOURCE}"> <include name="*.xml"/> </fileset> </copy> <echo>---------[ Creating EJB JAR File ]--------------</echo> <jar jarfile="${BUILD}/${PROJECT_NAME}.jar" basedir="${EJB_BUILD}" /> </target> <!-================================================================= Run EJBC for Weblogic Container Deployment Descriptors ================================================================= --> <target name="ejbc" depends="jar_ejb"> <tstamp/> <echo>---------[ Creating Deployable Jar File using EJBC ]--</echo> <copy tofile="${BUILD}/wl_${PROJECT_NAME}.jar" file="${BUILD}/${PROJECT_NAME}.jar" /> <java classpath="${CLASSPATH}" classname="weblogic.ejbc" fork="yes"> <sysproperty key="weblogic.home" value="${WL_HOME}"/> <arg line="-compiler javac ${BUILD}/wl_${PROJECT_NAME}.jar ${BUILD}/${PROJECT_NAME}.jar"/> <classpath> <pathelement path= "${WL_HOME}/lib/weblogic_sp.jar;${WL_HOME}/lib/weblogic.jar"/> </classpath> Describes the task </java> that will generate <delete file="${BUILD}/wl_${PROJECT_NAME}.jar"/> the EJB stubs </target> </project>

}

(We ll see how to avoid such highly repetitive code when we get to loops later in the chapter, by the way.) This shows the following rather suspect output:

Palm OS devices have a rich set of applications that many Palm OS device users have come to know and love. These include the Address Book, Calendar, To Do List and Memo applications. These applications, in particular, are hardwired to the hard keys at the bottom of the device. A common question is often raised in J2ME circles as to whether a Java application, or more precisely a KJava application, can access the databases of these applications. In fact, the Database class is just a wrapper for any Palm OS database. All that is required is to have the database type and creator IDs. While it is possible to access these databases, care should be taken when doing so. As we have seen, the KJava Database wrapper is an interface to the Palm OS databases, and you can easily destroy the databases for these precious applications. As a small example of how to access one of these databases, we open the Address Book database and count the number of records it has in listing 10.4. To create this application, open a new Jbed project. We copied the ObtainQuote project and called our project CountAddresses. In the LINKER section of the New Project editor, replace the ObtainQuoteSpotlet class with the new CountAddress class.

your needs. If supporting multiple devices means implementing to multiple J2ME profiles, all of these variables listed in the previous paragraphs should be verified for each profile. Flushing out these details before designing your application minimizes risk. You do not want to go to the trouble of developing for a particular device or set of devices only to discover that the networking is insufficient for your needs on some of your target devices. Figure 11.7 illustrates the path a network connection must travel. At each transition point, between devices, service providers and network interfaces, there is a potential breaking point for the architecture. Be sure to trace through the architecture in order to verify that the proposed solution is possible. Figure 11.8 illustrates the components of a wireless architecture when connecting to the Internet.

what makes each one unique. The EXTERNAL transaction manager The EXTERNAL transaction manager is the simplest to configure (it has no properties, and any that are passed to it are ignored), but potentially the most difficult to use, because you are 100 percent responsible for all transaction management in your application. The HIBERNATE transaction manager The HIBERNATE transaction manager is also very simple to configure. It takes all of the properties that are passed to it, and simply passes them on to the Hibernate session factory. In addition, any properties that are passed in with names that begin with class. are assumed to be classes to be managed by Hibernate, and are added to the configuration object that is used to build the session factory. Likewise, any properties passed in that begin with map. are assumed to be mapping files, and are also added to the configuration object. The JDBC transaction manager The JDBC transaction manager is probably the most difficult one to configure. The DataSource property is required for this transaction manager and must be one of the following: SIMPLE, DBCP, or JNDI. The SIMPLE data source The SIMPLE data source is an implementation of the iBATIS SimpleDataSource, which is a stand-alone implementation ideal for minimal overhead and dependencies. It has five required properties:

Handing off to the specific build files With the name of our application server, Ant can choose the appropriate build file for the install:

Customer (Root Node)

private static final int BATCH_SIZE = 1000; private static final int FETCH_SIZE = 100; public void indexAllItems() {

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