public void start(QueryTranslatorImpl q) {
if (!continuation) {
reset(q);
path.setLength(0);
joinSequence = new JoinSequence(q.getFactory()).setUseThetaStyle(useThetaStyleJoin);
}
}
public void token(String token, QueryTranslatorImpl q) throws QueryException {
if (token != null) path.append(token);
String alias = q.getPathAlias(path.toString());
if (alias != null) {
reset(q); // reset the dotcount (but not the path)
currentName = alias; // after reset!
currentPropertyMapping = q.getPropertyMapping(currentName);
if (!ignoreInitialJoin) {
JoinSequence ojf = q.getPathJoin(path.toString());
try {
joinSequence.addCondition(
ojf.toJoinFragment(q.getEnabledFilters(), true)
.toWhereFragmentString()); // after reset!
} catch (MappingException me) {
throw new QueryException(me);
}
// we don't need to worry about any condition in the ON clause
// here (toFromFragmentString), since anything in the ON condition
// is already applied to the whole query
}
} else if (".".equals(token)) {
dotcount++;
} else {
if (dotcount == 0) {
if (!continuation) {
if (!q.isName(token)) throw new QueryException("undefined alias: " + token);
currentName = token;
currentPropertyMapping = q.getPropertyMapping(currentName);
}
} else if (dotcount == 1) {
if (currentName != null) {
currentProperty = token;
} else if (collectionName != null) {
// processCollectionProperty(token, q.getCollectionPersister(collectionRole),
// collectionName);
continuation = false;
} else {
throw new QueryException("unexpected");
}
} else { // dotcount>=2
// Do the corresponding RHS
Type propertyType = getPropertyType();
if (propertyType == null) {
throw new QueryException("unresolved property: " + path);
}
if (propertyType.isComponentType()) {
dereferenceComponent(token);
} else if (propertyType.isEntityType()) {
if (!isCollectionValued()) dereferenceEntity(token, (EntityType) propertyType, q);
} else if (propertyType.isCollectionType()) {
dereferenceCollection(token, ((CollectionType) propertyType).getRole(), q);
} else {
if (token != null) throw new QueryException("dereferenced: " + path);
}
}
}
}
