final Set<String> visited = new HashSet<String>();
PropertyVisitor visitor = new PropertyVisitor() {
public boolean visitAttribute(AttributeProperty property) {
ObjAttribute oa = property.getAttribute();
if (visited.add(oa.getDbAttributePath())) {
result.addObjectField(
oa.getEntity().getName(),
"fetch."+prefix+"."+oa.getName(),
prefix +"."+ oa.getDbAttributeName());
}
return true;
}
public boolean visitToMany(ToManyProperty property) {
return true;
}
public boolean visitToOne(ToOneProperty property) {
ObjRelationship rel = property.getRelationship();
DbRelationship dbRel = rel.getDbRelationships().get(0);
for (DbJoin join : dbRel.getJoins()) {
DbAttribute src = join.getSource();
if (src.isForeignKey() && visited.add(src.getName())) {
result.addDbField("fetch."+prefix+"."+src.getName(), prefix +"."+ src.getName());
}
}
return true;
}
};
descriptor.visitAllProperties(visitor);
// append id columns ... (some may have been appended already via relationships)
for (String pkName : descriptor.getEntity().getPrimaryKeyNames()) {
if (visited.add(pkName)) {
result.addDbField("fetch."+prefix+"."+pkName, prefix +"."+ pkName);
}
}
// append inheritance discriminator columns...
Iterator<ObjAttribute> discriminatorColumns = descriptor
.getDiscriminatorColumns();
while (discriminatorColumns.hasNext()) {
ObjAttribute column = discriminatorColumns.next();
if (visited.add(column.getName())) {
result.addDbField("fetch."+prefix+"."+column.getDbAttributePath(), prefix +"."+ column.getDbAttributePath());
}
}
return result;
}