I'm exploring further and wanted to test what I've been learning but
according to results of my test case, it looks like I haven't learnt
much yet. I'm unsure of how the fetching strategy works in qi4j (for
both entity and value associations). I tried to test a value
association shown below and my assertion fails; I was expecting the
value association to return with a size of 1 but I'm getting zero.
Sorry to keep bugging you guys but I'm so used to the relational model
and need help getting out of the "box" :)
public class TestProperty extends AbstractQi4jTest {
public void assemble(ModuleAssembly module) throws AssemblyException {
module.addAssembler(new EntityTestAssembler());
module.addAssembler( new RdfMemoryStoreAssembler() );
module.addEntities(SimpleEntity.class);
module.addValues(SimpleValue.class);
module.addObjects(getClass());
}
@Test
public void test() throws Exception {
UnitOfWork unitOfWork = unitOfWorkFactory.newUnitOfWork();
try {
final EntityBuilder<SimpleEntity> builder =
unitOfWork.newEntityBuilder(SimpleEntity.class);
final SimpleEntity proto = builder.prototypeFor(SimpleEntity.class);
final ValueBuilder<SimpleValue> svBuilder =
valueBuilderFactory.newValueBuilder(SimpleValue.class);
final SimpleValue svPrototype = svBuilder.prototype();
svPrototype.value().set("Hello");
final SimpleValue value = svBuilder.newInstance();
final SimpleEntity simpleEntity = builder.newInstance();
simpleEntity.values().add(value);
unitOfWork.complete();
unitOfWork = unitOfWorkFactory.newUnitOfWork();
final SimpleEntity simpleEntity1 = unitOfWork.get(simpleEntity);
assertThat(simpleEntity1.values().size(), equalTo(1));
}
finally {
unitOfWork.discard();
}
}
public interface Simple {
String string();
List<SimpleValue> values();
}
public interface SimpleState {
@UseDefaults
Property<String> string();
@UseDefaults
Property<List<SimpleValue>> values();
}
public interface SimpleValue extends ValueComposite {
Property<String> value();
}
public static class SimpleMixin implements Simple {
@This
private SimpleState state;
public String string() {
return state.string().get();
}
public List<SimpleValue> values() {
return state.values().get();
}
}
@Mixins ({ SimpleMixin.class })
public interface SimpleEntity extends Simple, EntityComposite {
}
}
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