public void testBooleanOptionalNoTiebreaker() throws Exception {
BooleanQuery q = new BooleanQuery();
{
DisjunctionMaxQuery q1 = new DisjunctionMaxQuery(0.0f);
q1.add(tq("hed", "albino"));
q1.add(tq("dek", "albino"));
q.add(q1, BooleanClause.Occur.SHOULD); // false,false);
}
{
DisjunctionMaxQuery q2 = new DisjunctionMaxQuery(0.0f);
q2.add(tq("hed", "elephant"));
q2.add(tq("dek", "elephant"));
q.add(q2, BooleanClause.Occur.SHOULD); // false,false);
}
QueryUtils.check(q, s);
ScoreDoc[] h = s.search(q, null, 1000).scoreDocs;
try {
assertEquals("4 docs should match " + q.toString(), 4, h.length);
float score = h[0].score;
for (int i = 1; i < h.length - 1; i++) {
/* note: -1 */
assertEquals("score #" + i + " is not the same", score, h[i].score, SCORE_COMP_THRESH);
}
assertEquals("wrong last", "d1", s.doc(h[h.length - 1].doc).get("id"));
float score1 = h[h.length - 1].score;
assertTrue(
"d1 does not have worse score then others: " + score + " >? " + score1, score > score1);
} catch (Error e) {
printHits("testBooleanOptionalNoTiebreaker", h, s);
throw e;
}
}
public void testBooleanRequiredEqualScores() throws Exception {
BooleanQuery q = new BooleanQuery();
{
DisjunctionMaxQuery q1 = new DisjunctionMaxQuery(0.0f);
q1.add(tq("hed", "albino"));
q1.add(tq("dek", "albino"));
q.add(q1, BooleanClause.Occur.MUST); // true,false);
QueryUtils.check(q1, s);
}
{
DisjunctionMaxQuery q2 = new DisjunctionMaxQuery(0.0f);
q2.add(tq("hed", "elephant"));
q2.add(tq("dek", "elephant"));
q.add(q2, BooleanClause.Occur.MUST); // true,false);
QueryUtils.check(q2, s);
}
QueryUtils.check(q, s);
ScoreDoc[] h = s.search(q, null, 1000).scoreDocs;
try {
assertEquals("3 docs should match " + q.toString(), 3, h.length);
float score = h[0].score;
for (int i = 1; i < h.length; i++) {
assertEquals("score #" + i + " is not the same", score, h[i].score, SCORE_COMP_THRESH);
}
} catch (Error e) {
printHits("testBooleanRequiredEqualScores1", h, s);
throw e;
}
}
public void testDMQ7() throws Exception {
DisjunctionMaxQuery q = new DisjunctionMaxQuery(0.5f);
BooleanQuery booleanQuery = new BooleanQuery();
booleanQuery.add(new TermQuery(new Term(FIELD, "yy")), BooleanClause.Occur.MUST_NOT);
booleanQuery.add(new TermQuery(new Term(FIELD, "w3")), BooleanClause.Occur.SHOULD);
q.add(booleanQuery);
q.add(new TermQuery(new Term(FIELD, "w2")));
qtest(q, new int[] {0, 1, 2, 3});
}
public void testSkipToFirsttimeHit() throws IOException {
final DisjunctionMaxQuery dq = new DisjunctionMaxQuery(0.0f);
dq.add(tq("dek", "albino"));
dq.add(tq("dek", "DOES_NOT_EXIST"));
QueryUtils.check(dq, s);
final Weight dw = dq.weight(s);
final Scorer ds = dw.scorer(s.getIndexReader(), true, false);
assertTrue("firsttime skipTo found no match", ds.advance(3) != DocIdSetIterator.NO_MORE_DOCS);
assertEquals("found wrong docid", "d4", r.document(ds.docID()).get("id"));
}
public void testBooleanOptionalWithTiebreakerAndBoost() throws Exception {
BooleanQuery q = new BooleanQuery();
{
DisjunctionMaxQuery q1 = new DisjunctionMaxQuery(0.01f);
q1.add(tq("hed", "albino", 1.5f));
q1.add(tq("dek", "albino"));
q.add(q1, BooleanClause.Occur.SHOULD); // false,false);
}
{
DisjunctionMaxQuery q2 = new DisjunctionMaxQuery(0.01f);
q2.add(tq("hed", "elephant", 1.5f));
q2.add(tq("dek", "elephant"));
q.add(q2, BooleanClause.Occur.SHOULD); // false,false);
}
QueryUtils.check(q, s);
ScoreDoc[] h = s.search(q, null, 1000).scoreDocs;
try {
assertEquals("4 docs should match " + q.toString(), 4, h.length);
float score0 = h[0].score;
float score1 = h[1].score;
float score2 = h[2].score;
float score3 = h[3].score;
String doc0 = s.doc(h[0].doc).get("id");
String doc1 = s.doc(h[1].doc).get("id");
String doc2 = s.doc(h[2].doc).get("id");
String doc3 = s.doc(h[3].doc).get("id");
assertEquals("doc0 should be d4: ", "d4", doc0);
assertEquals("doc1 should be d3: ", "d3", doc1);
assertEquals("doc2 should be d2: ", "d2", doc2);
assertEquals("doc3 should be d1: ", "d1", doc3);
assertTrue(
"d4 does not have a better score then d3: " + score0 + " >? " + score1, score0 > score1);
assertTrue(
"d3 does not have a better score then d2: " + score1 + " >? " + score2, score1 > score2);
assertTrue(
"d3 does not have a better score then d1: " + score2 + " >? " + score3, score2 > score3);
} catch (Error e) {
printHits("testBooleanOptionalWithTiebreakerAndBoost", h, s);
throw e;
}
}
public void testBooleanOptionalWithTiebreaker() throws Exception {
BooleanQuery q = new BooleanQuery();
{
DisjunctionMaxQuery q1 = new DisjunctionMaxQuery(0.01f);
q1.add(tq("hed", "albino"));
q1.add(tq("dek", "albino"));
q.add(q1, BooleanClause.Occur.SHOULD); // false,false);
}
{
DisjunctionMaxQuery q2 = new DisjunctionMaxQuery(0.01f);
q2.add(tq("hed", "elephant"));
q2.add(tq("dek", "elephant"));
q.add(q2, BooleanClause.Occur.SHOULD); // false,false);
}
QueryUtils.check(q, s);
ScoreDoc[] h = s.search(q, null, 1000).scoreDocs;
try {
assertEquals("4 docs should match " + q.toString(), 4, h.length);
float score0 = h[0].score;
float score1 = h[1].score;
float score2 = h[2].score;
float score3 = h[3].score;
String doc0 = s.doc(h[0].doc).get("id");
String doc1 = s.doc(h[1].doc).get("id");
String doc2 = s.doc(h[2].doc).get("id");
String doc3 = s.doc(h[3].doc).get("id");
assertTrue("doc0 should be d2 or d4: " + doc0, doc0.equals("d2") || doc0.equals("d4"));
assertTrue("doc1 should be d2 or d4: " + doc0, doc1.equals("d2") || doc1.equals("d4"));
assertEquals("score0 and score1 should match", score0, score1, SCORE_COMP_THRESH);
assertEquals("wrong third", "d3", doc2);
assertTrue(
"d3 does not have worse score then d2 and d4: " + score1 + " >? " + score2,
score1 > score2);
assertEquals("wrong fourth", "d1", doc3);
assertTrue(
"d1 does not have worse score then d3: " + score2 + " >? " + score3, score2 > score3);
} catch (Error e) {
printHits("testBooleanOptionalWithTiebreaker", h, s);
throw e;
}
}
public void testSkipToFirsttimeMiss() throws IOException {
final DisjunctionMaxQuery dq = new DisjunctionMaxQuery(0.0f);
dq.add(tq("id", "d1"));
dq.add(tq("dek", "DOES_NOT_EXIST"));
QueryUtils.check(dq, s);
final Weight dw = dq.weight(s);
final Scorer ds = dw.scorer(s.getIndexReader(), true, false);
final boolean skipOk = ds.advance(3) != DocIdSetIterator.NO_MORE_DOCS;
if (skipOk) {
fail("firsttime skipTo found a match? ... " + r.document(ds.docID()).get("id"));
}
}
protected Query dmq(float tieBreakerMultiplier, Query... queries) {
DisjunctionMaxQuery query = new DisjunctionMaxQuery(tieBreakerMultiplier);
for (Query q : queries) {
query.add(q);
}
return query;
}
public void testDMQ9() throws Exception {
DisjunctionMaxQuery q = new DisjunctionMaxQuery(0.5f);
BooleanQuery booleanQuery = new BooleanQuery();
booleanQuery.add(new TermQuery(new Term(FIELD, "yy")), BooleanClause.Occur.SHOULD);
TermQuery boostedQuery = new TermQuery(new Term(FIELD, "w5"));
boostedQuery.setBoost(100);
booleanQuery.add(boostedQuery, BooleanClause.Occur.SHOULD);
q.add(booleanQuery);
TermQuery xxBoostedQuery = new TermQuery(new Term(FIELD, "xx"));
xxBoostedQuery.setBoost(0);
q.add(xxBoostedQuery);
qtest(q, new int[] {0, 2, 3});
}
public void testSimpleEqualScores2() throws Exception {
DisjunctionMaxQuery q = new DisjunctionMaxQuery(0.0f);
q.add(tq("dek", "albino"));
q.add(tq("dek", "elephant"));
QueryUtils.check(q, s);
ScoreDoc[] h = s.search(q, null, 1000).scoreDocs;
try {
assertEquals("3 docs should match " + q.toString(), 3, h.length);
float score = h[0].score;
for (int i = 1; i < h.length; i++) {
assertEquals("score #" + i + " is not the same", score, h[i].score, SCORE_COMP_THRESH);
}
} catch (Error e) {
printHits("testSimpleEqualScores2", h, s);
throw e;
}
}
public void testSimpleTiebreaker() throws Exception {
DisjunctionMaxQuery q = new DisjunctionMaxQuery(0.01f);
q.add(tq("dek", "albino"));
q.add(tq("dek", "elephant"));
QueryUtils.check(q, s);
ScoreDoc[] h = s.search(q, null, 1000).scoreDocs;
try {
assertEquals("3 docs should match " + q.toString(), 3, h.length);
assertEquals("wrong first", "d2", s.doc(h[0].doc).get("id"));
float score0 = h[0].score;
float score1 = h[1].score;
float score2 = h[2].score;
assertTrue(
"d2 does not have better score then others: " + score0 + " >? " + score1,
score0 > score1);
assertEquals("d4 and d1 don't have equal scores", score1, score2, SCORE_COMP_THRESH);
} catch (Error e) {
printHits("testSimpleTiebreaker", h, s);
throw e;
}
}
public Query getQuery(Element e) throws ParserException {
float tieBreaker = DOMUtils.getAttribute(e, "tieBreaker", 0.0f);
DisjunctionMaxQuery dq = new DisjunctionMaxQuery(tieBreaker);
dq.setBoost(DOMUtils.getAttribute(e, "boost", 1.0f));
NodeList nl = e.getChildNodes();
for (int i = 0; i < nl.getLength(); i++) {
Node node = nl.item(i);
if (node instanceof Element) { // all elements are disjuncts.
Element queryElem = (Element) node;
Query q = factory.getQuery(queryElem);
dq.add(q);
}
}
return dq;
}
/**
* Creates a new DisjunctionMaxQuery
*
* @param disjuncts a {@code Collection<Query>} of all the disjuncts to add
* @param tieBreakerMultiplier the weight to give to each matching non-maximum disjunct
*/
public DisjunctionMaxQuery(Collection<Query> disjuncts, float tieBreakerMultiplier) {
this.tieBreakerMultiplier = tieBreakerMultiplier;
add(disjuncts);
}
public void testDMQ4() throws Exception {
DisjunctionMaxQuery q = new DisjunctionMaxQuery(0.5f);
q.add(new TermQuery(new Term(FIELD, "QQ")));
q.add(new TermQuery(new Term(FIELD, "xx")));
qtest(q, new int[] {2, 3});
}
public void testDMQ2() throws Exception {
DisjunctionMaxQuery q = new DisjunctionMaxQuery(0.5f);
q.add(new TermQuery(new Term(FIELD, "w1")));
q.add(new TermQuery(new Term(FIELD, "w5")));
qtest(q, new int[] {0, 1, 2, 3});
}