Dynamic queries in weblogic

Question

In case of dynamic queries, I found out that the finder method can not be defined
in the Home class. I defined the finder
method in the Bean.
In my Bean, this is the code:
public Collection findAllActivities(String filter, Object[] arguments) throws
FinderException
     Properties myProp = new Properties();
     for(int i = 0; i < arguments.length; i++)
          myProp.setProperty(String.valueOf(i), String.valueOf((arguments)));
     try
          InitialContext ic = new InitialContext();                
          RolesHome rh = (RolesHome)ic.lookup("RolesHome");     
          QueryHome qh = (QueryHome)rh;
          String weblogicQL = "SELECT DISTINCT OBJECT(o) FROM roles AS o" + filter;
          Query query = qh.createQuery();
          return query.find(weblogicQL, myProp);
     catch (Exception e)
          e.printStackTrace();
          return null;
I get a naming exception if I use :      RolesHome rh = (RolesHome)ic.lookup("RolesHome");
javax.naming.NameNotFoundException: Unable to resolve 'RolesHome' Resolved: ''
Unresolved:'RolesHome' ; remaining name
'RolesHome'
I get a casting exception if I use:      RolesHome rh = (RolesHome)ic.lookup("Roles");
In my jsp file:
I have this code
InitialContext jndiContext = new InitialContext();
Object obj = jndiContext.lookup("Roles");
RolesHome rolesHome = (RolesHome) obj;
list = (ArrayList) rolesHome.findAllActivities(filter, filterParams);          
but the problem is that the home interface does not contain the findAllActivities
function. I have already defined rolesHome
earlier in the code which I want to use for findAllActivities also. I can not
cast the bean e.g. RolesBean rolesBean = (
RolesBean) rolesHome. I do not want to create a new bean as I am already using
an old rolesHome. How do I solve this
problem??? Please do let me know. I am really confused.
Thanks
Ronak Parekh

Answer 1

This should be posted to the ejb newsgroups
mbg
"ronak" <[email protected]> wrote in message
news:3e57faa9$[email protected]..
>
In case of dynamic queries, I found out that the finder method can not bedefined
in the Home class. I defined the finder
method in the Bean.
In my Bean, this is the code:
public Collection findAllActivities(String filter, Object[] arguments)throws
FinderException
Properties myProp = new Properties();
for(int i = 0; i < arguments.length; i++)
myProp.setProperty(String.valueOf(i), String.valueOf((arguments)));
try
InitialContext ic = new InitialContext();
RolesHome rh = (RolesHome)ic.lookup("RolesHome");
QueryHome qh = (QueryHome)rh;
String weblogicQL = "SELECT DISTINCT OBJECT(o) FROM roles AS o" + filter;
Query query = qh.createQuery();
return query.find(weblogicQL, myProp);
catch (Exception e)
e.printStackTrace();
return null;
I get a naming exception if I use : RolesHome rh =
(RolesHome)ic.lookup("RolesHome");
>
javax.naming.NameNotFoundException: Unable to resolve 'RolesHome'Resolved: ''
Unresolved:'RolesHome' ; remaining name
'RolesHome'
I get a casting exception if I use: RolesHome rh =(RolesHome)ic.lookup("Roles");
>
>
In my jsp file:
I have this code
InitialContext jndiContext = new InitialContext();
Object obj = jndiContext.lookup("Roles");
RolesHome rolesHome = (RolesHome) obj;
list = (ArrayList) rolesHome.findAllActivities(filter, filterParams);
but the problem is that the home interface does not contain thefindAllActivities
function. I have already defined rolesHome
earlier in the code which I want to use for findAllActivities also. I cannot
cast the bean e.g. RolesBean rolesBean = (
RolesBean) rolesHome. I do not want to create a new bean as I am alreadyusing
an old rolesHome. How do I solve this
problem??? Please do let me know. I am really confused.
Thanks
Ronak Parekh