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java Programming Glossary: businesshttp://stackoverflow.com/questions/13011392/jsf-service-layer share improve this question The service layer the business model should be designed around the main entity the data model.. listener methods as slick as possible by performing the business job entirely in the service layer. Note that the service layer..
How to upload and store an image with google app engine (java) http://stackoverflow.com/questions/1513603/how-to-upload-and-store-an-image-with-google-app-engine-java as a sketch for how you can have your own entity i.g. business user etc have a field for an image. I ignored all error handling..
Difference between DTO, VO, POJO, JavaBeans? http://stackoverflow.com/questions/1612334/difference-between-dto-vo-pojo-javabeans database. The difference between data transfer objects and business objects or data access objects is that a DTO does not have any..
How should I validate an e-mail address on Android? http://stackoverflow.com/questions/1819142/how-should-i-validate-an-e-mail-address-on-android could just check that it's in the form @ If you have some business logic specific validation then you could perform that using..
requestDispatcher Interface Vs sendRedirect http://stackoverflow.com/questions/2047122/requestdispatcher-interface-vs-sendredirect can do any post processing stuff in there e.g. validation business logic login the user etc . If there are any errors then you..
Why JSF calls getters multiple times http://stackoverflow.com/questions/2090033/why-jsf-calls-getters-multiple-times the story changes when you're performing expensive DB business logic in the getter method for some reason. This would be re.. specification . They should not do any expensive DB business logic at all. For that the bean's post constructor initialization.. Just keep getter untouched. It isn't intented to do business logic return someProperty Note that you should not use bean's..
Why filename in java should be same as class name? http://stackoverflow.com/questions/2134784/why-filename-in-java-should-be-same-as-class-name everything and many Getters are actually critical object business logic like String.length which would be required no matter how..
How to avoid Java Code in JSP-Files? http://stackoverflow.com/questions/3177733/how-to-avoid-java-code-in-jsp-files makes pages easier to read and maintain helps to separate business logic from presentation logic and will make your pages easier.. to reduce coupling between the presentation tier from the business logic JSP scriptlets should not be used for writing business.. logic JSP scriptlets should not be used for writing business logic. Rather JSP scriptlets are used if necessary to transform..
Right way to implement equals contract http://stackoverflow.com/questions/3181339/right-way-to-implement-equals-contract implementation though it is correct as far as the business rules are concerned. The above implementation will return true..
Why is January month 0 in Java Calendar? http://stackoverflow.com/questions/344380/why-is-january-month-0-in-java-calendar methods An API which is very hard to reason about all the business about when things are recomputed etc The use of parameterless..
Howto unescape a Java string literal in Java http://stackoverflow.com/questions/3537706/howto-unescape-a-java-string-literal-in-java because the damned Java Preprocessor can't mind its own business. Idiots Lame Python escape UXXXXXXXX must be exactly 8 xdigits..
How can I protect MySQL username and password from decompiling? http://stackoverflow.com/questions/442862/how-can-i-protect-mysql-username-and-password-from-decompiling The credentials would allow access to the middle layer the business logic tier and would be different for each user. Every user.. tier architecture the tiers being your database server business logic server and client application . It is more complex but.. The basic order of operations is Client authenticates with business logic tier using the user's personal username password. The..
http://stackoverflow.com/questions/5038798/uploading-of-pdf-file font and center tags which are deprecated since 1998. The business logic is mingled with the presentation logic in a single JSP..
Why is Multiple Inheritance not allowed in Java or C#? http://stackoverflow.com/questions/995255/why-is-multiple-inheritance-not-allowed-in-java-or-c presumably VB.NET for example . Of course that's the business we are in as a common language runtime but we haven't got around..
Understanding JSF as a MVC framework http://stackoverflow.com/questions/10111387/understanding-jsf-as-a-mvc-framework part the model is also not always clearly understood. Business logic may be implemented by EJB and JPA but from the point of..
http://stackoverflow.com/questions/1061717/what-exactly-is-spring-for and injected in the right places Servlets Web Frameworks Business classes DAOs etc etc etc... . Going back to the example in Spring..
What is the correct way of overriding hashCode () and equals () methods of persistent entity? http://stackoverflow.com/questions/1928191/what-is-the-correct-way-of-overriding-hashcode-and-equals-methods-of-persi surrogate key is what the application and database use. Business key equality means that the equals method compares only the..
Infinite Recursion with Jackson JSON and Hibernate JPA issue http://stackoverflow.com/questions/3325387/infinite-recursion-with-jackson-json-and-hibernate-jpa-issue for this spring bug EDIT 2010 07 24 16 26 22 Codesnippets Business Object 1 @Entity @Table name ta_trainee uniqueConstraints @UniqueConstraint.. columnNames id public class Trainee extends BusinessObject @Id @GeneratedValue strategy GenerationType.TABLE @Column.. exerciseTypes public Trainee super ... getters setters ... Business Object 2 import javax.persistence. import java.util.Date @Entity..
Design Patterns web based applications http://stackoverflow.com/questions/3541077/design-patterns-web-based-applications by Javabean classes. This is often further dividable in Business Model which contains the actions behaviour and Data Model which.. action based MVC this is the simplest to implement. The Business Model works directly with HttpServletRequest and HttpServletResponse.. or servletpath the method and or specific parameters. The Business Model is called Action in the below HttpServlet example. protected..
DAO and Service layers (JPA/Hibernate + Spring) http://stackoverflow.com/questions/3882108/dao-and-service-layers-jpa-hibernate-spring your business model will return either full fledged Business objects or simple Data objects. Either way the DAO methods should..
The JPA hashCode() / equals() dilemma http://stackoverflow.com/questions/5031614/the-jpa-hashcode-equals-dilemma problems with detached entities Override them based on the Business Id non primary key fields what about foreign keys hashCode equals..
how can i open the calendar from my app? http://stackoverflow.com/questions/5034788/how-can-i-open-the-calendar-from-my-app e.g. the built in calendar or applications such as Business calendar i.setType vnd.android.cursor.item event the time the..
Where can I set the JRE/JDK which is used to run Netbeans besides the command line? http://stackoverflow.com/questions/504087/where-can-i-set-the-jre-jdk-which-is-used-to-run-netbeans-besides-the-command-li I installed JDK 1.6_10 The system is Windows Vista Business 64 I installed Netbeans 6.5 After a few weeks I uninstalled..
What components are MVC in JSF MVC framework? http://stackoverflow.com/questions/5104094/what-components-are-mvc-in-jsf-mvc-framework the big architectural picture your own JSF code is the V M Business domain Service layer e.g. EJB JPA DAO V Your JSF code C FacesServlet..
Is there a good reason to use “printf” instead of “print” in java? http://stackoverflow.com/questions/548249/is-there-a-good-reason-to-use-printf-instead-of-print-in-java
Java EE Enterprise Application: perform some action on deploy/startup http://stackoverflow.com/questions/6120831/java-ee-enterprise-application-perform-some-action-on-deploy-startup as soon as my application Enterprise Application with Business Logic EJB and a Client Web is deployed. For example I would..
Have I implemented a n-tier application with MVC correctly? http://stackoverflow.com/questions/899803/have-i-implemented-a-n-tier-application-with-mvc-correctly the layers below. Logic tier Divided into two layers with Business Objects BO on top. Responsible for business logic but I haven't.. turn evalutes the request and calls another controller The Business Layer felt a little useless in my application. What do you normally..
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