private QueryCriteria queryCriteriaCase(
AttributeQueryCriteria criteria, List<AttributeReference.Key> arg) {
final AttributeReference basicAttRef;
if (arg.isEmpty()) {
basicAttRef = criteria.getAttributeReference();
} else {
basicAttRef = criteria.getAttributeReference().prepend(arg);
}
DisjunctionBuilder disjunctionBuilder = new DisjunctionBuilder();
disjunctionBuilder.add(criteria);
for (int i = 0; i < basicAttRef.getKeys().size(); i++) {
AttributeReference existsAttRef = basicAttRef.subReference(0, i + 1);
List<AttributeReference.Key> newArg =
basicAttRef.getKeys().subList(i + 1, basicAttRef.getKeys().size());
QueryCriteria plainNewBody = criteria.accept(QUERY_CRITERIA_FACTORY, newArg);
QueryCriteria newBody =
plainNewBody.accept(this, Collections.<AttributeReference.Key>emptyList());
disjunctionBuilder.add(new ExistsQueryCriteria(existsAttRef, newBody));
}
return disjunctionBuilder.build();
}
private Set<AttributeReference> combineAttributeReferences(AttributeReference attRef) {
Set<AttributeReference> result = Sets.newHashSetWithExpectedSize(attRef.getKeys().size());
combineAttributeReferencesRec(
attRef.getKeys(), Lists.<AttributeReference.Key>newArrayList(), result);
return result;
}