Peter Shillan wrote:
>
> Hi Folks,
>
> I have a query about Finder method generation in CMP beans. I have copied an
> example customer bean from "Mastering Enterprise JavaBeans" and it uses CMP.
> The book assures me that
>
> * @finder Collection findByExpensiveProduct( double minPrice )
> * @finder Collection findCheapProducts( double maxPrice )
>
> will be generated, but they're not cause they don't match any fields in the
> object and I agree... how on Earth could a container generate methods for
> these finders? Can I simply implement them myself as if they were BMP?
Hi,
For this kind of finders, you have to provide the sql statement in
jaws.xml. See http://www.jboss.org/jawsxml_howto.html for details and
examples.
HTH,
Sebastien
> Thanks in advance,
>
> Peter.
>
> - - 8< - - [ CODE ] - - 8< - -
>
> package uk.co.gps.jasmine;
>
> import java.util.*;
> import java.rmi.*;
> import javax.ejb.*;
>
> import uk.co.gps.ejb.EntityBase;
>
> /**
> * This is an product bean.
> *
> * @see <related>
> * @author $Author: peters $
> * @version $Revision: 0.0.1 $
> *
> * @entity-cmp
> * @ejb-name Product
> * @finder Collection findByName( String name )
> * @finder Collection findByDescription( String description )
> * @finder Collection findByBasePrice( double basePrice )
> * The following is not generated:
> * @finder Collection findByExpensiveProduct( double minPrice )
> * The following is not generated:
> * @finder Collection findCheapProducts( double maxPrice )
> * @finder Collection findAllProducts()
> * @transaction Required
> */
> public abstract class ProductBean extends EntityBase
> {
> public String productID;
> public String name;
> public String description;
> public double basePrice;
>
> //
> // Business Logic Methods
> //
>
> /**
> * @remote-method
> * @cmp-field
> */
> public String getName() throws RemoteException
> {
> return name;
> }
>
> /**
> * @remote-method
> * @cmp-field
> */
> public void setName( String name ) throws RemoteException
> {
> this.name = name;
> }
>
> /**
> * @remote-method
> * @cmp-field
> */
> public String getDescription() throws RemoteException
> {
> return description;
> }
>
> /**
> * @remote-method
> * @cmp-field
> */
> public void setDescription( String description ) throws RemoteException
> {
> this.description = description;
> }
>
> /**
> * @remote-method
> * @cmp-field
> */
> public double getBasePrice() throws RemoteException
> {
> return basePrice;
> }
>
> /**
> * @remote-method
> * @cmp-field
> */
> public void setBasePrice( double basePrice )
> {
> this.basePrice = basePrice;
> }
>
> /**
> * @remote-method
> * @pk-field
> * @cmp-field
> */
> public String getProductID() throws RemoteException
> {
> return productID;
> }
>
> //
> // Get and Set data object
> //
>
> /**
> * @remote-method
> */
> public abstract void setData( ProductData data ) throws RemoteException;
>
> /**
> * @remote-method
> */
> public abstract ProductData getData() throws RemoteException;
>
> //
> // EJB Methods
> //
>
> public ProductPK ejbCreate( ProductData data )
> throws RemoteException, CreateException
> {
> setData( data );
>
> return null;
> }
>
> public void ejbPostCreate( ProductData data )
> throws RemoteException, CreateException
> {
> }
> }
>
> --
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