Now I have add an encoder
<form t:type="form">
<t:label for="members"/>:
<t:select t:id="members" value="membersName" model="MemberSelectModel"
encoder="wholeSaleMemberEncoder" />
<t:submit value="save"/>
</form>
public class WholeSaleMemberEncoder implements
ValueEncoder<WholeSaleMember>, ValueEncoderFactory<WholeSaleMember> {
@Inject
private WholeSaleMemberDao wholeSaleMemberDao;
@Inject
private DatabaseDao databaseDao;
public String toClient(WholeSaleMember value) {
// return the given object's ID
return String.valueOf(value.getId());
}
public WholeSaleMember toValue(String id) {
// find the color object of the given ID in the database
return (WholeSaleMember) databaseDao.load(Long.parseLong(id),
WholeSaleMember.class);
}
public ValueEncoder<WholeSaleMember> create(Class<WholeSaleMember>
type) {
// TODO Auto-generated method stub
return this;
}
}
public class CreateWMemberTruck {
@Inject
private WholeSaleMemberDao wholeSaleMemberDao;
@Property
private WholeSaleMemberEncoder wholeSaleMemberEncoder;
@Property
private SelectModel memberSelectModel;
@Property
@Inject
private SelectModelFactory selectModelFactory;
@Property
private WholeSaleMember membersName;
void setupRender() {
// invoke my service to find all colors, e.g. in the database
List<WholeSaleMember> members =
wholeSaleMemberDao.getWholeSaleMembers();
// create a SelectModel from my list of colors
memberSelectModel = selectModelFactory.create(members, "fName");
}
void onSuccess() {
System.out.println("\n\n\n"+membersName.getId()+"\n\n\n\n");
}
}
Now t:select is not populated, that page gives an exception
org.apache.tapestry5.internal.services.RenderQueueException
Render queue error in
BeforeRenderTemplate[wholesalemember/CreateWMemberTruck:members]:
org.apache.tapestry5.ioc.internal.util.TapestryException
#
activeComponents
* wholesalemember/CreateWMemberTruck (class
com.kids.crm.pages.wholesalemember.CreateWMemberTruck)
* wholesalemember/CreateWMemberTruck:layout (class
com.kids.crm.components.Layout)
classpath:com/kids/crm/pages/wholesalemember/CreateWMemberTruck.tml, line 4
1 <html t:type="layout" title="Create Whole sale Member Truck"
2 t:sidebarTitle="Browse Wood"
3 xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd";
4 xmlns:p="tapestry:parameter">
5 <form t:type="form">
8 <t:label for="members"/>:
9 <t:select t:id="members" value="membersName"
model="MemberSelectModel" encoder="wholeSaleMemberEncoder" />
* wholesalemember/CreateWMemberTruck:form (class
org.apache.tapestry5.corelib.components.Form)
classpath:com/kids/crm/pages/wholesalemember/CreateWMemberTruck.tml, line 5
1 <html t:type="layout" title="Create Whole sale Member Truck"
2 t:sidebarTitle="Browse Wood"
3 xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd";
4 xmlns:p="tapestry:parameter">
5 <form t:type="form">
8 <t:label for="members"/>:
9 <t:select t:id="members" value="membersName"
model="MemberSelectModel" encoder="wholeSaleMemberEncoder" />
10 <t:submit value="save"/>
* wholesalemember/CreateWMemberTruck:members (class
org.apache.tapestry5.corelib.components.Select)
classpath:com/kids/crm/pages/wholesalemember/CreateWMemberTruck.tml, line 9
4 xmlns:p="tapestry:parameter">
5 <form t:type="form">
8 <t:label for="members"/>:
9 <t:select t:id="members" value="membersName"
model="MemberSelectModel" encoder="wholeSaleMemberEncoder" />
10 <t:submit value="save"/>
11 </form>
12
13 <p:sidebar>
14 <t:pagelink page="wholesalemember/CreateWholeSaleMember">Create
W.Sale Member</t:pagelink>
location
classpath:com/kids/crm/pages/wholesalemember/CreateWMemberTruck.tml,
line 9
# java.lang.NullPointerException
Hide uninteresting stack frames Stack trace
*
org.apache.tapestry5.internal.util.SelectModelRenderer.option(SelectModelRenderer.java:51)
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