これはうまくいきませんか?
Criteria criteria = Criteria.where("contentType").is("application/vnd.sometype");
List<Criteria> docCriterias = new ArrayList<Criteria>(docs.size());
for (Document doc: docs) {
docCriterias.add(Criteria.where("metadata.name").is(doc.getName())
.and("metadata.version").is(doc.getVersion()));
}
criteria = criteria.orOperator(docCriterias.toArray(new Criteria[docs.size()]));
?