private String convertNumber(Number number) {
if (Integer.class.isInstance(number)) {
return NumericUtils.intToPrefixCoded(number.intValue());
} else if (Double.class.isInstance(number)) {
return NumericUtils.doubleToPrefixCoded(number.doubleValue());
} else if (Long.class.isInstance(number)) {
return NumericUtils.longToPrefixCoded(number.longValue());
} else if (Float.class.isInstance(number)) {
return NumericUtils.floatToPrefixCoded(number.floatValue());
} else if (Byte.class.isInstance(number)) {
return NumericUtils.intToPrefixCoded(number.intValue());
} else if (Short.class.isInstance(number)) {
return NumericUtils.intToPrefixCoded(number.intValue());
} else if (BigDecimal.class.isInstance(number)) {
return NumericUtils.doubleToPrefixCoded(number.doubleValue());
} else if (BigInteger.class.isInstance(number)) {
return NumericUtils.longToPrefixCoded(number.longValue());
} else {
throw new IllegalArgumentException("Unsupported numeric type " + number.getClass().getName());
}
}
/**
* Tests for LuceneSerializer
*
* @author vema
*/
public class LuceneSerializerTest {
private LuceneSerializer serializer;
private PathBuilder<Object> entityPath;
private StringPath title;
private StringPath author;
private StringPath text;
private StringPath rating;
private StringPath publisher;
private NumberPath<Integer> year;
private NumberPath<Double> gross;
private NumberPath<Long> longField;
private NumberPath<Short> shortField;
private NumberPath<Byte> byteField;
private NumberPath<Float> floatField;
private static final String YEAR_PREFIX_CODED = NumericUtils.intToPrefixCoded(1990);
private static final String GROSS_PREFIX_CODED = NumericUtils.doubleToPrefixCoded(900.00);
private static final String LONG_PREFIX_CODED = NumericUtils.longToPrefixCoded(1);
private static final String SHORT_PREFIX_CODED = NumericUtils.intToPrefixCoded(1);
private static final String BYTE_PREFIX_CODED = NumericUtils.intToPrefixCoded(1);
private static final String FLOAT_PREFIX_CODED = NumericUtils.floatToPrefixCoded((float) 1.0);
private IndexWriterConfig config;
private RAMDirectory idx;
private IndexWriter writer;
private IndexSearcher searcher;
private final QueryMetadata metadata = new DefaultQueryMetadata();
private Document createDocument() {
Document doc = new Document();
doc.add(new Field("title", new StringReader("Jurassic Park")));
doc.add(new Field("author", new StringReader("Michael Crichton")));
doc.add(new Field("text", new StringReader("It's a UNIX system! I know this!")));
doc.add(new Field("rating", new StringReader("Good")));
doc.add(new Field("publisher", "", Store.YES, Index.ANALYZED));
doc.add(new NumericField("year", Store.YES, true).setIntValue(1990));
doc.add(new NumericField("gross", Store.YES, true).setDoubleValue(900.00));
doc.add(new NumericField("longField", Store.YES, true).setLongValue(1));
doc.add(new NumericField("shortField", Store.YES, true).setIntValue(1));
doc.add(new NumericField("byteField", Store.YES, true).setIntValue(1));
doc.add(new NumericField("floatField", Store.YES, true).setFloatValue(1));
return doc;
}
@Before
public void setUp() throws Exception {
serializer = new LuceneSerializer(true, true);
entityPath = new PathBuilder<Object>(Object.class, "obj");
title = entityPath.getString("title");
author = entityPath.getString("author");
text = entityPath.getString("text");
publisher = entityPath.getString("publisher");
year = entityPath.getNumber("year", Integer.class);
rating = entityPath.getString("rating");
gross = entityPath.getNumber("gross", Double.class);
longField = entityPath.getNumber("longField", Long.class);
shortField = entityPath.getNumber("shortField", Short.class);
byteField = entityPath.getNumber("byteField", Byte.class);
floatField = entityPath.getNumber("floatField", Float.class);
idx = new RAMDirectory();
config =
new IndexWriterConfig(Version.LUCENE_31, new StandardAnalyzer(Version.LUCENE_30))
.setOpenMode(IndexWriterConfig.OpenMode.CREATE);
writer = new IndexWriter(idx, config);
writer.addDocument(createDocument());
writer.close();
IndexReader reader = IndexReader.open(idx);
searcher = new IndexSearcher(reader);
}
@After
public void tearDown() throws Exception {
searcher.close();
}
private void testQuery(Expression<?> expr, int expectedHits) throws Exception {
Query query = serializer.toQuery(expr, metadata);
TopDocs docs = searcher.search(query, 100);
assertEquals(expectedHits, docs.totalHits);
}
private void testQuery(Expression<?> expr, String expectedQuery, int expectedHits)
throws Exception {
Query query = serializer.toQuery(expr, metadata);
TopDocs docs = searcher.search(query, 100);
assertEquals(expectedHits, docs.totalHits);
assertEquals(expectedQuery, query.toString());
}
@Test
public void QueryElement() throws Exception {
Query query1 = serializer.toQuery(author.like("Michael"), metadata);
Query query2 = serializer.toQuery(text.like("Text"), metadata);
BooleanExpression query =
BooleanExpression.anyOf(new QueryElement(query1), new QueryElement(query2));
testQuery(query, "author:michael text:text", 1);
}
@Test
public void Like() throws Exception {
testQuery(author.like("*ichael*"), "author:*ichael*", 1);
}
@Test
public void Like_Custom_Wildcard_Single_Character() throws Exception {
testQuery(author.like("Mi?hael"), "author:mi?hael", 1);
}
@Test
public void Like_Custom_Wildcard_Multiple_Character() throws Exception {
testQuery(text.like("*U*X*"), "text:*u*x*", 1);
}
@Test
public void Like_Phrase() throws Exception {
testQuery(title.like("*rassic Par*"), "+title:**rassic* +title:*par**", 1);
}
@Test
public void Like_or_like() throws Exception {
testQuery(title.like("House").or(author.like("*ichae*")), "title:house author:*ichae*", 1);
}
@Test
public void Like_and_like() throws Exception {
testQuery(title.like("*assic*").and(rating.like("G?od")), "+title:*assic* +rating:g?od", 1);
}
@Test
public void Eq() throws Exception {
testQuery(rating.eq("good"), "rating:good", 1);
}
@Test
public void Eq_with_deep_path() throws Exception {
StringPath deepPath = entityPath.get("property1", Object.class).getString("property2");
testQuery(deepPath.eq("good"), "property1.property2:good", 0);
}
@Test
public void FuzzyLike() throws Exception {
testQuery(LuceneExpressions.fuzzyLike(rating, "Good"), "rating:Good~0.5", 1);
}
@Test
public void FuzzyLike_with_Similarity() throws Exception {
testQuery(LuceneExpressions.fuzzyLike(rating, "Good", 0.6f), "rating:Good~0.6", 1);
}
@Test
public void FuzzyLike_with_Similarity_and_prefix() throws Exception {
testQuery(LuceneExpressions.fuzzyLike(rating, "Good", 0.6f, 0), "rating:Good~0.6", 1);
}
@Test
public void Eq_Numeric_Integer() throws Exception {
testQuery(year.eq(1990), "year:" + YEAR_PREFIX_CODED, 1);
}
@Test
public void Eq_Numeric_Double() throws Exception {
testQuery(gross.eq(900.00), "gross:" + GROSS_PREFIX_CODED, 1);
}
@Test
public void Eq_Numeric() throws Exception {
testQuery(longField.eq(1l), "longField:" + LONG_PREFIX_CODED, 1);
testQuery(shortField.eq((short) 1), "shortField:" + SHORT_PREFIX_CODED, 1);
testQuery(byteField.eq((byte) 1), "byteField:" + BYTE_PREFIX_CODED, 1);
testQuery(floatField.eq((float) 1.0), "floatField:" + FLOAT_PREFIX_CODED, 1);
}
@Test
public void Equals_Ignores_Case() throws Exception {
testQuery(title.eq("Jurassic"), "title:jurassic", 1);
}
@Test(expected = UnsupportedOperationException.class)
public void Title_Equals_Ignore_Case_Or_Year_Equals() throws Exception {
testQuery(
title.equalsIgnoreCase("House").or(year.eq(1990)),
"title:house year:" + YEAR_PREFIX_CODED,
1);
}
@Test
public void Eq_and_eq() throws Exception {
testQuery(
title.eq("Jurassic Park").and(year.eq(1990)),
"+title:\"jurassic park\" +year:" + YEAR_PREFIX_CODED,
1);
}
@Test
public void Eq_and_Eq_and_eq() throws Exception {
testQuery(
title.eq("Jurassic Park").and(year.eq(1990)).and(author.eq("Michael Crichton")),
"+(+title:\"jurassic park\" +year:" + YEAR_PREFIX_CODED + ") +author:\"michael crichton\"",
1);
}
@Test(expected = UnsupportedOperationException.class)
public void Equals_Ignore_Case_And_Or() throws Exception {
testQuery(
title
.equalsIgnoreCase("Jurassic Park")
.and(rating.equalsIgnoreCase("Bad"))
.or(author.equalsIgnoreCase("Michael Crichton")),
"(+title:\"jurassic park\" +rating:bad) author:\"michael crichton\"",
1);
}
@Test
public void Eq_or_Eq_and_Eq_Does_Not_Find_Results() throws Exception {
testQuery(
title.eq("jeeves").or(rating.eq("superb")).and(author.eq("michael crichton")),
"+(title:jeeves rating:superb) +author:\"michael crichton\"",
0);
}
@Test
public void Eq_Phrase() throws Exception {
testQuery(title.eq("Jurassic Park"), "title:\"jurassic park\"", 1);
}
@Test
@Ignore("Not easily done in Lucene!")
public void Publisher_Equals_Empty_String() throws Exception {
testQuery(publisher.eq(""), "publisher:", 1);
}
@Test
public void Eq_Phrase_Should_Not_Find_Results_But_LuceNe_Semantics_Differs_From_Querydsls()
throws Exception {
testQuery(text.eq("UNIX System"), "text:\"unix system\"", 1);
}
@Test
public void Eq_Phrase_Does_Not_Find_Results_Because_Word_In_Middle() throws Exception {
testQuery(title.eq("Jurassic Amusement Park"), "title:\"jurassic amusement park\"", 0);
}
@Test
public void Like_not_Does_Not_Find_Results() throws Exception {
testQuery(title.like("*H*e*").not(), "-title:*h*e* +*:*", 1);
}
@Test(expected = UnsupportedOperationException.class)
public void Title_Equals_Ignore_Case_Negation_Or_Rating_Equals_Ignore_Case() throws Exception {
testQuery(
title.equalsIgnoreCase("House").not().or(rating.equalsIgnoreCase("Good")),
"-title:house rating:good",
1);
}
@Test
public void Eq_not_Does_Not_Find_Results() throws Exception {
testQuery(title.eq("Jurassic Park").not(), "-title:\"jurassic park\" +*:*", 0);
}
@Test
public void Title_Equals_Not_House() throws Exception {
testQuery(title.eq("house").not(), "-title:house +*:*", 1);
}
@Test
public void Eq_and_Eq_not_Does_Not_Find_Results_Because_Second_Expression_Finds_Nothing()
throws Exception {
testQuery(
rating.eq("superb").and(title.eq("house").not()), "+rating:superb +(-title:house +*:*)", 0);
}
@Test
public void Not_Equals_Finds_One() throws Exception {
testQuery(title.ne("house"), "-title:house +*:*", 1);
}
@Test
public void Not_Equals_Finds_None() throws Exception {
testQuery(title.ne("Jurassic Park"), "-title:\"jurassic park\" +*:*", 0);
}
@Test
public void Nothing_Found_With_Not_Equals_Or_Equals() throws Exception {
testQuery(
title.ne("jurassic park").or(rating.eq("lousy")),
"(-title:\"jurassic park\" +*:*) rating:lousy",
0);
}
@Test
public void Ne_and_eq() throws Exception {
testQuery(title.ne("house").and(rating.eq("good")), "+(-title:house +*:*) +rating:good", 1);
}
@Test
public void StartsWith() throws Exception {
testQuery(title.startsWith("Jurassi"), "title:jurassi*", 1);
}
@Test
public void StartsWith_Phrase() throws Exception {
testQuery(title.startsWith("jurassic par"), "+title:jurassic* +title:*par*", 1);
}
@Test(expected = UnsupportedOperationException.class)
public void Starts_With_Ignore_Case_Phrase_Does_Not_Find_Results() throws Exception {
testQuery(title.startsWithIgnoreCase("urassic Par"), "+title:urassic* +title:*par*", 0);
}
@Test
public void EndsWith() throws Exception {
testQuery(title.endsWith("ark"), "title:*ark", 1);
}
@Test(expected = UnsupportedOperationException.class)
public void Ends_With_Ignore_Case_Phrase() throws Exception {
testQuery(title.endsWithIgnoreCase("sic Park"), "+title:*sic* +title:*park", 1);
}
@Test(expected = UnsupportedOperationException.class)
public void Ends_With_Ignore_Case_Phrase_Does_Not_Find_Results() throws Exception {
testQuery(title.endsWithIgnoreCase("sic Par"), "+title:*sic* +title:*par", 0);
}
@Test
public void Contains() throws Exception {
testQuery(title.contains("rassi"), "title:*rassi*", 1);
}
@Test(expected = UnsupportedOperationException.class)
public void Contains_Ignore_Case_Phrase() throws Exception {
testQuery(title.containsIgnoreCase("rassi Pa"), "+title:*rassi* +title:*pa*", 1);
}
@Test
public void Contains_User_Inputted_Wildcards_Dont_Work() throws Exception {
testQuery(title.contains("r*i"), "title:*r\\*i*", 0);
}
@Test
public void Between() throws Exception {
testQuery(title.between("Indiana", "Kundun"), "title:[indiana TO kundun]", 1);
}
@Test
public void Between_Numeric_Integer() throws Exception {
testQuery(year.between(1980, 2000), "year:[1980 TO 2000]", 1);
}
@Test
public void Between_Numeric_Double() throws Exception {
testQuery(gross.between(10.00, 19030.00), "gross:[10.0 TO 19030.0]", 1);
}
@Test
public void Between_Numeric() throws Exception {
testQuery(longField.between(0l, 2l), "longField:[0 TO 2]", 1);
testQuery(shortField.between((short) 0, (short) 2), "shortField:[0 TO 2]", 1);
testQuery(byteField.between((byte) 0, (byte) 2), "byteField:[0 TO 2]", 1);
testQuery(floatField.between((float) 0.0, (float) 2.0), "floatField:[0.0 TO 2.0]", 1);
}
@Test
public void Between_Is_Inclusive_From_Start() throws Exception {
testQuery(title.between("Jurassic", "Kundun"), "title:[jurassic TO kundun]", 1);
}
@Test
public void Between_Is_Inclusive_To_End() throws Exception {
testQuery(title.between("Indiana", "Jurassic"), "title:[indiana TO jurassic]", 1);
}
@Test
public void Between_Does_Not_Find_Results() throws Exception {
testQuery(title.between("Indiana", "Jurassib"), "title:[indiana TO jurassib]", 0);
}
@Test
public void In() throws Exception {
testQuery(title.in(Arrays.asList("jurassic", "park")), "title:jurassic title:park", 1);
testQuery(title.in("jurassic", "park"), "title:jurassic title:park", 1);
testQuery(title.eq("jurassic").or(title.eq("park")), "title:jurassic title:park", 1);
}
@Test
public void Lt() throws Exception {
testQuery(rating.lt("Superb"), "rating:{* TO superb}", 1);
}
@Test
public void Lt_Numeric_Integer() throws Exception {
testQuery(year.lt(1991), "year:{* TO 1991}", 1);
}
@Test
public void Lt_Numeric_Double() throws Exception {
testQuery(gross.lt(10000.0), "gross:{* TO 10000.0}", 1);
}
@Test
public void Lt_Not_In_Range_Because_Equal() throws Exception {
testQuery(rating.lt("Good"), "rating:{* TO good}", 0);
}
@Test
public void Lt_Numeric_Integer_Not_In_Range_Because_Equal() throws Exception {
testQuery(year.lt(1990), "year:{* TO 1990}", 0);
}
@Test
public void Lt_Numeric_Double_Not_In_Range_Because_Equal() throws Exception {
testQuery(gross.lt(900.0), "gross:{* TO 900.0}", 0);
}
@Test
public void Loe() throws Exception {
testQuery(rating.loe("Superb"), "rating:[* TO superb]", 1);
}
@Test
public void Loe_Numeric_Integer() throws Exception {
testQuery(year.loe(1991), "year:[* TO 1991]", 1);
}
@Test
public void Loe_Numeric_Double() throws Exception {
testQuery(gross.loe(903.0), "gross:[* TO 903.0]", 1);
}
@Test
public void Loe_Equal() throws Exception {
testQuery(rating.loe("Good"), "rating:[* TO good]", 1);
}
@Test
public void Loe_Numeric_Integer_Equal() throws Exception {
testQuery(year.loe(1990), "year:[* TO 1990]", 1);
}
@Test
public void Loe_Numeric_Double_Equal() throws Exception {
testQuery(gross.loe(900.0), "gross:[* TO 900.0]", 1);
}
@Test
public void Loe_Not_Found() throws Exception {
testQuery(rating.loe("Bad"), "rating:[* TO bad]", 0);
}
@Test
public void Loe_Numeric_Integer_Not_Found() throws Exception {
testQuery(year.loe(1989), "year:[* TO 1989]", 0);
}
@Test
public void Loe_Numeric_Double_Not_Found() throws Exception {
testQuery(gross.loe(899.9), "gross:[* TO 899.9]", 0);
}
@Test
public void Gt() throws Exception {
testQuery(rating.gt("Bad"), "rating:{bad TO *}", 1);
}
@Test
public void Gt_Numeric_Integer() throws Exception {
testQuery(year.gt(1989), "year:{1989 TO *}", 1);
}
@Test
public void Gt_Numeric_Double() throws Exception {
testQuery(gross.gt(100.00), "gross:{100.0 TO *}", 1);
}
@Test
public void Gt_Not_In_Range_Because_Equal() throws Exception {
testQuery(rating.gt("Good"), "rating:{good TO *}", 0);
}
@Test
public void Gt_Numeric_Integer_Not_In_Range_Because_Equal() throws Exception {
testQuery(year.gt(1990), "year:{1990 TO *}", 0);
}
@Test
public void Gt_Numeric_Double_Not_In_Range_Because_Equal() throws Exception {
testQuery(gross.gt(900.00), "gross:{900.0 TO *}", 0);
}
@Test
public void Goe() throws Exception {
testQuery(rating.goe("Bad"), "rating:[bad TO *]", 1);
}
@Test
public void Goe_Numeric_Integer() throws Exception {
testQuery(year.goe(1989), "year:[1989 TO *]", 1);
}
@Test
public void Goe_Numeric_Double() throws Exception {
testQuery(gross.goe(320.50), "gross:[320.5 TO *]", 1);
}
@Test
public void Goe_Equal() throws Exception {
testQuery(rating.goe("Good"), "rating:[good TO *]", 1);
}
@Test
public void Goe_Numeric_Integer_Equal() throws Exception {
testQuery(year.goe(1990), "year:[1990 TO *]", 1);
}
@Test
public void Goe_Numeric_Double_Equal() throws Exception {
testQuery(gross.goe(900.00), "gross:[900.0 TO *]", 1);
}
@Test
public void Goe_Not_Found() throws Exception {
testQuery(rating.goe("Hood"), "rating:[hood TO *]", 0);
}
@Test
public void Goe_Numeric_Integer_Not_Found() throws Exception {
testQuery(year.goe(1991), "year:[1991 TO *]", 0);
}
@Test
public void Goe_Numeric_Double_Not_Found() throws Exception {
testQuery(gross.goe(900.10), "gross:[900.1 TO *]", 0);
}
@Test
public void Equals_Empty_String() throws Exception {
testQuery(title.eq(""), "title:", 0);
}
@Test
public void Not_Equals_Empty_String() throws Exception {
testQuery(title.ne(""), "-title: +*:*", 1);
}
@Test
public void Contains_Empty_String() throws Exception {
testQuery(title.contains(""), "title:**", 1);
}
@Test
public void Like_Empty_String() throws Exception {
testQuery(title.like(""), "title:", 0);
}
@Test
public void Starts_With_Empty_String() throws Exception {
testQuery(title.startsWith(""), "title:*", 1);
}
@Test
public void Ends_With_Empty_String() throws Exception {
testQuery(title.endsWith(""), "title:*", 1);
}
@Test
public void Between_Empty_Strings() throws Exception {
testQuery(title.between("", ""), "title:[ TO ]", 0);
}
@Test
public void BooleanBuilder() throws Exception {
testQuery(new BooleanBuilder(gross.goe(900.10)), "gross:[900.1 TO *]", 0);
}
@Test
@Ignore
public void Fuzzy() throws Exception {
fail("Not yet implemented!");
}
@Test
@Ignore
public void Proximity() throws Exception {
fail("Not yet implemented!");
}
@Test
@Ignore
public void Boost() throws Exception {
fail("Not yet implemented!");
}
private boolean unsupportedOperation(Predicate filter) {
if (filter instanceof Operation<?>) {
Operator<?> op = ((Operation<?>) filter).getOperator();
if (op == Ops.STARTS_WITH_IC
|| op == Ops.EQ_IGNORE_CASE
|| op == Ops.STARTS_WITH_IC
|| op == Ops.ENDS_WITH_IC
|| op == Ops.STRING_CONTAINS_IC) {
return true;
}
}
return false;
}
@Test
public void various() throws Exception {
MatchingFiltersFactory filters = new MatchingFiltersFactory(Module.LUCENE, Target.LUCENE);
for (Predicate filter : filters.string(title, StringConstant.create("jurassic park"))) {
if (unsupportedOperation(filter)) {
continue;
}
testQuery(filter, 1);
}
for (Predicate filter : filters.string(author, StringConstant.create("michael crichton"))) {
if (unsupportedOperation(filter)) {
continue;
}
testQuery(filter, 1);
}
for (Predicate filter : filters.string(title, StringConstant.create("1990"))) {
if (unsupportedOperation(filter)) {
continue;
}
testQuery(filter, 0);
}
}
}