Examples with InputArrayIterator org.apache.lucene.search.suggest.InputArrayIterator used on opensource projects

Example 26 with InputArrayIterator

use of org.apache.lucene.search.suggest.InputArrayIterator in project lucene-solr by apache.

the class AnalyzingInfixSuggesterTest method testSuggestStopFilter.

public void testSuggestStopFilter() throws Exception {
    final CharArraySet stopWords = StopFilter.makeStopSet("a");
    Analyzer indexAnalyzer = new Analyzer() {

        @Override
        protected TokenStreamComponents createComponents(String fieldName) {
            MockTokenizer tokens = new MockTokenizer();
            return new TokenStreamComponents(tokens, new StopFilter(tokens, stopWords));
        }
    };
    Analyzer queryAnalyzer = new Analyzer() {

        @Override
        protected TokenStreamComponents createComponents(String fieldName) {
            MockTokenizer tokens = new MockTokenizer();
            return new TokenStreamComponents(tokens, new SuggestStopFilter(tokens, stopWords));
        }
    };
    AnalyzingInfixSuggester suggester = new AnalyzingInfixSuggester(newDirectory(), indexAnalyzer, queryAnalyzer, 3, false);
    Input[] keys = new Input[] { new Input("a bob for apples", 10, new BytesRef("foobaz")) };
    suggester.build(new InputArrayIterator(keys));
    List<LookupResult> results = suggester.lookup(TestUtil.stringToCharSequence("a", random()), 10, true, true);
    assertEquals(1, results.size());
    assertEquals("a bob for apples", results.get(0).key);
    assertEquals("a bob for <b>a</b>pples", results.get(0).highlightKey);
    suggester.close();
    IOUtils.close(suggester, indexAnalyzer, queryAnalyzer);
}

Example 27 with InputArrayIterator

use of org.apache.lucene.search.suggest.InputArrayIterator in project lucene-solr by apache.

the class AnalyzingInfixSuggesterTest method testContextNotAllTermsRequired.

public void testContextNotAllTermsRequired() throws Exception {
    Input[] keys = new Input[] { new Input("lend me your ear", 8, new BytesRef("foobar"), asSet("foo", "bar")), new Input("a penny saved is a penny earned", 10, new BytesRef("foobaz"), asSet("foo", "baz")) };
    Path tempDir = createTempDir("analyzingInfixContext");
    Analyzer a = new MockAnalyzer(random(), MockTokenizer.WHITESPACE, false);
    AnalyzingInfixSuggester suggester = new AnalyzingInfixSuggester(newFSDirectory(tempDir), a, a, 3, false);
    suggester.build(new InputArrayIterator(keys));
    // No context provided, all results returned
    List<LookupResult> results = suggester.lookup(TestUtil.stringToCharSequence("ear", random()), 10, false, true);
    assertEquals(2, results.size());
    LookupResult result = results.get(0);
    assertEquals("a penny saved is a penny earned", result.key);
    assertEquals("a penny saved is a penny <b>ear</b>ned", result.highlightKey);
    assertEquals(10, result.value);
    assertEquals(new BytesRef("foobaz"), result.payload);
    assertNotNull(result.contexts);
    assertEquals(2, result.contexts.size());
    assertTrue(result.contexts.contains(new BytesRef("foo")));
    assertTrue(result.contexts.contains(new BytesRef("baz")));
    result = results.get(1);
    assertEquals("lend me your ear", result.key);
    assertEquals("lend me your <b>ear</b>", result.highlightKey);
    assertEquals(8, result.value);
    assertEquals(new BytesRef("foobar"), result.payload);
    assertNotNull(result.contexts);
    assertEquals(2, result.contexts.size());
    assertTrue(result.contexts.contains(new BytesRef("foo")));
    assertTrue(result.contexts.contains(new BytesRef("bar")));
    // Both have "foo" context:
    results = suggester.lookup(TestUtil.stringToCharSequence("ear", random()), asSet("foo"), 10, false, true);
    assertEquals(2, results.size());
    result = results.get(0);
    assertEquals("a penny saved is a penny earned", result.key);
    assertEquals("a penny saved is a penny <b>ear</b>ned", result.highlightKey);
    assertEquals(10, result.value);
    assertEquals(new BytesRef("foobaz"), result.payload);
    assertNotNull(result.contexts);
    assertEquals(2, result.contexts.size());
    assertTrue(result.contexts.contains(new BytesRef("foo")));
    assertTrue(result.contexts.contains(new BytesRef("baz")));
    result = results.get(1);
    assertEquals("lend me your ear", result.key);
    assertEquals("lend me your <b>ear</b>", result.highlightKey);
    assertEquals(8, result.value);
    assertEquals(new BytesRef("foobar"), result.payload);
    assertNotNull(result.contexts);
    assertEquals(2, result.contexts.size());
    assertTrue(result.contexts.contains(new BytesRef("foo")));
    assertTrue(result.contexts.contains(new BytesRef("bar")));
    // Only one has "foo" context and len
    results = suggester.lookup(TestUtil.stringToCharSequence("len", random()), asSet("foo"), 10, false, true);
    assertEquals(1, results.size());
    result = results.get(0);
    assertEquals("lend me your ear", result.key);
    assertEquals("<b>len</b>d me your ear", result.highlightKey);
    assertEquals(8, result.value);
    assertEquals(new BytesRef("foobar"), result.payload);
    assertNotNull(result.contexts);
    assertEquals(2, result.contexts.size());
    assertTrue(result.contexts.contains(new BytesRef("foo")));
    assertTrue(result.contexts.contains(new BytesRef("bar")));
    suggester.close();
}

Example 28 with InputArrayIterator

use of org.apache.lucene.search.suggest.InputArrayIterator in project lucene-solr by apache.

the class AnalyzingInfixSuggesterTest method testHighlightCaseChange.

public void testHighlightCaseChange() throws Exception {
    Input[] keys = new Input[] { new Input("a Penny saved is a penny earned", 10, new BytesRef("foobaz")) };
    Analyzer a = new MockAnalyzer(random(), MockTokenizer.WHITESPACE, true);
    AnalyzingInfixSuggester suggester = new AnalyzingInfixSuggester(newDirectory(), a, a, 3, false);
    suggester.build(new InputArrayIterator(keys));
    List<LookupResult> results = suggester.lookup(TestUtil.stringToCharSequence("penn", random()), 10, true, true);
    assertEquals(1, results.size());
    assertEquals("a Penny saved is a penny earned", results.get(0).key);
    assertEquals("a <b>Penn</b>y saved is a <b>penn</b>y earned", results.get(0).highlightKey);
    suggester.close();
    // Try again, but overriding addPrefixMatch to highlight
    // the entire hit:
    suggester = new AnalyzingInfixSuggester(newDirectory(), a, a, 3, false) {

        @Override
        protected void addPrefixMatch(StringBuilder sb, String surface, String analyzed, String prefixToken) {
            sb.append("<b>");
            sb.append(surface);
            sb.append("</b>");
        }
    };
    suggester.build(new InputArrayIterator(keys));
    results = suggester.lookup(TestUtil.stringToCharSequence("penn", random()), 10, true, true);
    assertEquals(1, results.size());
    assertEquals("a Penny saved is a penny earned", results.get(0).key);
    assertEquals("a <b>Penny</b> saved is a <b>penny</b> earned", results.get(0).highlightKey);
    suggester.close();
    a.close();
}

Example 29 with InputArrayIterator

use of org.apache.lucene.search.suggest.InputArrayIterator in project lucene-solr by apache.

the class AnalyzingInfixSuggesterTest method testDoubleClose.

public void testDoubleClose() throws Exception {
    Input[] keys = new Input[] { new Input("a penny saved is a penny earned", 10, new BytesRef("foobaz")) };
    Analyzer a = new MockAnalyzer(random(), MockTokenizer.WHITESPACE, false);
    AnalyzingInfixSuggester suggester = new AnalyzingInfixSuggester(newDirectory(), a, a, 3, false);
    suggester.build(new InputArrayIterator(keys));
    suggester.close();
    suggester.close();
    a.close();
}

Example 30 with InputArrayIterator

use of org.apache.lucene.search.suggest.InputArrayIterator in project lucene-solr by apache.

the class AnalyzingSuggesterTest method testMaxSurfaceFormsPerAnalyzedForm.

public void testMaxSurfaceFormsPerAnalyzedForm() throws Exception {
    Analyzer a = new MockAnalyzer(random());
    Directory tempDir = getDirectory();
    AnalyzingSuggester suggester = new AnalyzingSuggester(tempDir, "suggest", a, a, 0, 2, -1, true);
    suggester.build(new InputArrayIterator(shuffle(new Input("a", 40), new Input("a ", 50), new Input(" a", 60))));
    List<LookupResult> results = suggester.lookup("a", false, 5);
    assertEquals(2, results.size());
    assertEquals(" a", results.get(0).key);
    assertEquals(60, results.get(0).value);
    assertEquals("a ", results.get(1).key);
    assertEquals(50, results.get(1).value);
    IOUtils.close(a, tempDir);
}