Vic, Can you share some of your AS/MXML code? What are you using to trigger the call to get the lazy objects?
Rich On 9/25/06, passive_thoughts <[EMAIL PROTECTED]> wrote: > Yeah, I think the dataservices stuff rocks. > > Here's an example. I have a contact and address table. A contact can > have multiple addresses. Now I'm not a java guy (tho slowly turning > into one) so I built my tables in mysql adding the appropriate foreign > keys. Then I ran the hibernate tools in eclipse to autogenerate my > java objects, the hibernate config file and the hibernate mapping > files. Notice... no java coding :) > > Then I created 2 destinations: > > <destination id="com.abc.vo.Contact"> > <adapter ref="java-dao" /> > <properties> > <use-transactions>true</use-transactions> > <source>flex.data.assemblers.HibernateAssembler</source> > <scope>application</scope> > <metadata> > <identity property="id"/> > <one-to-many property="addresses" > destination="com.abc.vo.Address" lazy="true"/> > </metadata> > <server> > <fill-configuration> > <use-query-cache>false</use-query-cache> > <allow-hql-queries>true</allow-hql-queries> > </fill-configuration> > </server> > </properties> > </destination> > > <destination id="com.abc.vo.Address"> > <adapter ref="java-dao" /> > <properties> > <use-transactions>true</use-transactions> > <source>flex.data.assemblers.HibernateAssembler</source> > <scope>application</scope> > <metadata> > <identity property="id"/> > <many-to-one property="contacts" > destination="com.abc.vo.Contact" lazy="true"/> > </metadata> > <server> > <fill-configuration> > <use-query-cache>false</use-query-cache> > <allow-hql-queries>true</allow-hql-queries> > </fill-configuration> > </server> > </properties> > </destination> > > In my code I create a dataservice pointing to the contact destination, > and when I call fill, it loads the contacts, as well as *just* the id > field values of all address child records (hence the term lazy). When > a user double clicks on the contact, flex will actually go and get the > full address records at that time. Also, as a side note, I can do the > same thing in reverse... i can load an address and then get to the > contact... not really useful in this situation but might be in others. > > Hope that makes sense. > > Vic > > --- In [email protected], "hank williams" <[EMAIL PROTECTED]> wrote: > > > > Someone will probably answer this question and make it totally clear > > to me, but what are you talking about. By that I mean is this FDS > > related? I use FDS, but only for remoting and so have not yet set up a > > Data Service, and I am just curious. > > > > Hank > > > > On 9/25/06, passive_thoughts <[EMAIL PROTECTED]> wrote: > > > Can anyone provide an example of what the metadata section of my > > > destinations should look like in a many-to-many scenario? > > > > > > 3 tables: patient, doctor, doctorpatient > > > > > > patient can have many doctors, doctor can have many patients. > > > > > > I'd like to implement lazy loading as well, only calling up doctors on > > > a patient when user requests it, as well as the reverse. > > > > > > Here's my guess... > > > > > > for destination patient: > > > <many-to-many property="docpatient" > > > destination="app.medical.docpatient" lazy="false"/> > > > > > > for destination doctor: > > > <many-to-many property="docpatient" > > > destination="app.medical.docpatient" lazy="false"/> > > > > > > for destination docpatient (do i need this?): > > > <many-to-one property="patient" destination="app.medical.patient" > > > lazy="false"/> > > > <many-to-one property="doctor" destination="app.medical.doctor" > > > lazy="false"/> > > > > > > My mind is fried. Please help. > > > > > > Vic > > > > > > > > > > > > > > > > > > -- > > > Flexcoders Mailing List > > > FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt > > > Search Archives: > http://www.mail-archive.com/flexcoders%40yahoogroups.com > > > Yahoo! Groups Links > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > Flexcoders Mailing List > FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt > Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com > Yahoo! Groups Links > > > > > > > -- Rich Tretola <mx:EverythingFlex/> http://www.EverythingFlex.com
