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From Anton Gavazuk <antongava...@gmail.com>
Subject Re: Accessing multi level data from within my backing bean.
Date Mon, 13 Jul 2009 18:52:13 GMT
Hi  Shaun,

in this case
<t:dataTable value="#{jobsBean.jobs}" var="job"

job is not JSF bean, so you need to "initalize" job instance before you put
it in the jobsBean.jobs list.

2009/7/13 Shaun Campbell <campbell.shaun@gmail.com>

> Hi Anton
>
> I've got to the bottom of it.
>
> In my existing working data access code I am using beans defined in Springs
> applicationContext.xml and using the Spring simpleJdbcTemplate.
>
>     <bean id="jdbcTemplate"
>     class="org.springframework.jdbc.core.simple.SimpleJdbcTemplate">
>         <constructor-arg>
>             <ref bean="dataSource"/>
>         </constructor-arg>
>     </bean>
>     <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
>         <property name="driverClassName"
> value="ants.jdbc.odbc.JdbcOdbcDriver" />
>         <property name="url" value="jdbc:odbc:jtj_dsn"/>
>         <property name="initialSize" value="5"/>
>         <property name="maxActive" value="10" />
>     </bean>
> <!-- more bean definitions go here -->
>     <bean id="jobsBean" class="uk.co.apps2net.mfm.repository.JdbcJobsDao">
>         <property name="dataSource" ref="dataSource" />
>     </bean>
>         <bean id="jobBean"
> class="uk.co.apps2net.mfm.repository.JdbcJobDao">
>         <property name="dataSource" ref="dataSource" />
>     </bean>
>
> When I reference jobsBean or jobBean from my web page it knows it's a
> Spring bean and injects the jdbcTemplate into it.  In my web page when I
> access #{job.ops} job is not recognised as a bean, the template is not
> injected into it and the query fails with the null pointer.
>
> What I need is something like this link I have that creates a jobBean, sets
> parameters and retrieves the data.
>
> <t:commandLink action="#{jobBean.getJob}" title="#{job.description}" >
>
>                                     <h:outputText
> value="#{job.orderNum}/#{job.itemNum}/#{job.jobNum}"/>
>                                     <f:setPropertyActionListener
> target="#{jobBean.orderNum}"
>
> value="#{job.orderNum}"/>
>                                     <f:setPropertyActionListener
> target="#{jobBean.itemNum}"
>
> value="#{job.itemNum}"/>
>                                     <f:setPropertyActionListener
> target="#{jobBean.jobNum}"
>
> value="#{job.jobNum}"/>
>
> </t:commandLink>
>
> Any thoughts as to how I can get around this?  Actually thinking about it
> this may be a Spring issue as what I probably need to do is create a jobBean
> in my data access code prior to trying to retrieve the data.
>
> Thanks
> Shaun
>
>
>
>

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