Re: hibernate query question ?

From:

Jacqui <jasnook@ntlworld.com>

Newsgroups:

comp.lang.java.programmer

Date:

Tue, 24 Aug 2010 01:52:07 -0700 (PDT)

Message-ID:

<3b7b07b4-d6b6-49ba-898d-bcce2cfb56de@m1g2000yqo.googlegroups.com>

On 24 Aug, 09:22, mike <m...@mail.com> wrote:

I have two entities like this

public class FirstEntity{

private SecondEntity second;
....

}

public class SecondEntity{

private String name;

},

and on web I have a bean that looks like ;

public class Bean{

private FirstEntity first;

}

and I do a select like "select first from FirstEntity first left join
fetch first.second", and i set the result to a bean on the web. Jspx
part has inputText ="#{bean.first.second.name}". My problem is what whe=

FK to second entity is null(what can be the case), than jspx breaks. I=

there any way to check if query doesn't find SecondEntity(FK) , that
than it creates new SecondEntity
so jspx can render.Thanks in advance.

I assume that the JSP is calling a getter method and if so, can't you
do something like this in the FirstEntity class:

public SecondEntity getSecondEntity() {
  if (secondEntity == null) {
    secondEntity = new SecondEntity();
  }
  return secondEntity;
}

Cheers,
Jacqui