Tap5 should check abstract and parent classes before throwing "Embedded xxx
component(s) are defined within component class xxx but are not present in the
component template" Exception
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Key: TAP5-317
URL: https://issues.apache.org/jira/browse/TAP5-317
Project: Tapestry 5
Issue Type: Bug
Components: tapestry-core
Affects Versions: 5.0.16
Reporter: Buck O' Five
Currently I'm using a very generic CRUD system which uses an abstract page
class to eliminate obvious redundancy. The abstract page class has a component
instance and does not have an associated .tml file. The reference to the
component is in the parent page classes .tml file (this allows for custom
settings per entity). This used to work with just an error logged but with
recent updates to Tap5-105 it now throws an error. I suspect the issue is
because the component instance is in the abstract class but when all is said
and done this should be valid. right?
Here is a very very slimmed down example to reproduce:
in base folder:
public abstract class AbstractEntityList<T> {
private T entity;
@Component(parameters= {"source=dataSource","row=entity"})
private EntityList<T> entityList;
public abstract Object getDataSource();
public T getEntity() {
return entity;
}
public void setEntity(T entity) {
this.entity = entity;
}
}
in components folder:
public class EntityList<T> {
@Parameter @Property
private GridDataSource source;
@Parameter @Property
private T row;
// Grid properties
@Component(parameters= {"source=inherit:source", "row=row"})
private Grid grid;
}
EntityList.tml
<html xmlns:t="http://tapestry.apache.org/schema/tapestry_5_0_0.xsd";>
<t:grid t:id="grid"></t:grid>
</html>
in entities folder:
public class Merchant {
private String name;
public Merchant(){}
public Merchant(String name){
setName(name);
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
in pages folder:
public class Merchants extends AbstractEntityList<Merchant>{
public Object getDataSource()
{
List<Merchant> list = new ArrayList<Merchant>();
for(int i=0;i<5;i++)
list.add(new Merchant("Test "+i));
return list;
}
}
Merchants.tml
<html xmlns:t="http://tapestry.apache.org/schema/tapestry_5_0_0.xsd";>
<div t:type="EntityList"></div>
</html>
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