How are parameters passed to a method of a distributed object using RMI-IIOP?
Latest Answer: Java uses call-by-reference mechanism for sending objects to a remote method. ...
Latest Answer: ejbLoad is called to notify the entity bean that its state has just been refreshed from the database. ejbStore is called to notify the entity bean that its state is about to be flushed to the database. ...
Latest Answer: Inside the EJB code you put a try catch block. Inside the catch block you throw new EJBException. In the method signature also you declare that the method will thow the exception and not handle it.At the client side(assuming there is a Front-end/presentation ...
Entity bean is an abstract class and its local and home interfaces also extends an abstact class. So how can we instantiate home or local interface?
Latest Answer: SessionSynchronization is an interface in the javax.ejb package. This interface can be implemented by the ejb to show the transactional state of the bean.The different methods that come into this interface are:1. aferBegin() - Container call this method ...
Latest Answer: Session facade is one design pattern that is often used while developing enterprise applications.It is implemented as a higher level component (i.e.: Session EJB), and it contains all the iteractions between low level components (i.e.: Entity EJB). It ...
Latest Answer: The inportant change is introduction of JPA. Now you don't have to use Entity bean as remote object. It will be just POJO for you. you can use them as a object. For persistency layer different ORM can be used like hibernate, toplink are the most perferred ...
What is "reentrant"? Why we use this in the deployment descriptor? Explain with an example.
In cluster domain in weblogic with 4 managed server. cluster enabled stateless bean is created & deployed. Inside the bean, how to get server name programmatically in which the bean instance is created ?
Its cluster domain with 4 managed server in weblogic. stateless sesion bean is created, it is a cluster enabled one. Here my need is to get the server name inside a bean about in which server the bean instance is created ?. Please let me know if any ones knows about it .
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