@Override public boolean eq(final ANode node) { // no database node if (!(node instanceof DBNode)) return false; // ensure that the pre value is contained in the target documents final DBNode db = (DBNode) node; return data == db.data() && pres.contains(db.pre()); }
/** * Returns a document test. This test will be called by {@link AxisPath#index} if the context * value only consists of database nodes. * * @param rt root value * @return document test */ static Test get(final Value rt) { // use simple test if database contains only one document final Data data = rt.data(); if (data.meta.ndocs == 1) return Test.DOC; // adopt nodes from existing sequence if (rt instanceof DBNodeSeq) { final DBNodeSeq seq = (DBNodeSeq) rt; return seq.all() ? Test.DOC : new InvDocTest(new IntList(seq.pres()), data); } // loop through all documents and add pre values of documents // not more than 2^31 documents supported final IntList il = new IntList((int) rt.size()); for (final Item it : rt) il.add(((DBNode) it).pre()); return new InvDocTest(il, data); }