Examples with Tokenizer org.apache.lucene.analysis.Tokenizer used on opensource projects

Example 41 with Tokenizer

use of org.apache.lucene.analysis.Tokenizer in project lucene-solr by apache.

the class TestSuggestStopFilter method testMultipleStopWordsEnd2.

public void testMultipleStopWordsEnd2() throws Exception {
    CharArraySet stopWords = StopFilter.makeStopSet("to", "the", "a");
    Tokenizer stream = new MockTokenizer();
    stream.setReader(new StringReader("go to a the "));
    TokenStream filter = new SuggestStopFilter(stream, stopWords);
    filter = new SuggestStopFilter(stream, stopWords);
    assertTokenStreamContents(filter, new String[] { "go" }, new int[] { 0 }, new int[] { 2 }, null, new int[] { 1 }, null, 12, new boolean[] { false }, true);
}

Example 42 with Tokenizer

use of org.apache.lucene.analysis.Tokenizer in project lucene-solr by apache.

the class TestSuggestStopFilter method testMultipleStopWords.

public void testMultipleStopWords() throws Exception {
    CharArraySet stopWords = StopFilter.makeStopSet("to", "the", "a");
    Tokenizer stream = new MockTokenizer();
    stream.setReader(new StringReader("go to a the school"));
    TokenStream filter = new SuggestStopFilter(stream, stopWords);
    filter = new SuggestStopFilter(stream, stopWords);
    assertTokenStreamContents(filter, new String[] { "go", "school" }, new int[] { 0, 12 }, new int[] { 2, 18 }, null, new int[] { 1, 4 }, null, 18, new boolean[] { false, false }, true);
}

Example 43 with Tokenizer

use of org.apache.lucene.analysis.Tokenizer in project lucene-solr by apache.

the class TestSuggestStopFilter method testEndNotStopWord.

public void testEndNotStopWord() throws Exception {
    CharArraySet stopWords = StopFilter.makeStopSet("to");
    Tokenizer stream = new MockTokenizer();
    stream.setReader(new StringReader("go to"));
    TokenStream filter = new SuggestStopFilter(stream, stopWords);
    assertTokenStreamContents(filter, new String[] { "go", "to" }, new int[] { 0, 3 }, new int[] { 2, 5 }, null, new int[] { 1, 1 }, null, 5, new boolean[] { false, true }, true);
}

Example 44 with Tokenizer

use of org.apache.lucene.analysis.Tokenizer in project lucene-solr by apache.

the class TestSuggestStopFilter method testMidStopWord.

public void testMidStopWord() throws Exception {
    CharArraySet stopWords = StopFilter.makeStopSet("to");
    Tokenizer stream = new MockTokenizer();
    stream.setReader(new StringReader("go to school"));
    TokenStream filter = new SuggestStopFilter(stream, stopWords);
    filter = new SuggestStopFilter(stream, stopWords);
    assertTokenStreamContents(filter, new String[] { "go", "school" }, new int[] { 0, 6 }, new int[] { 2, 12 }, null, new int[] { 1, 2 }, null, 12, new boolean[] { false, false }, true);
}

Example 45 with Tokenizer

use of org.apache.lucene.analysis.Tokenizer in project lucene-solr by apache.

the class FuzzySuggesterTest method testGraphDups.

public void testGraphDups() throws Exception {
    final Analyzer analyzer = new Analyzer() {

        @Override
        protected TokenStreamComponents createComponents(String fieldName) {
            Tokenizer tokenizer = new MockTokenizer(MockTokenizer.SIMPLE, true);
            return new TokenStreamComponents(tokenizer) {

                int tokenStreamCounter = 0;

                final TokenStream[] tokenStreams = new TokenStream[] { new CannedTokenStream(new Token[] { token("wifi", 1, 1), token("hotspot", 0, 2), token("network", 1, 1), token("is", 1, 1), token("slow", 1, 1) }), new CannedTokenStream(new Token[] { token("wi", 1, 1), token("hotspot", 0, 3), token("fi", 1, 1), token("network", 1, 1), token("is", 1, 1), token("fast", 1, 1) }), new CannedTokenStream(new Token[] { token("wifi", 1, 1), token("hotspot", 0, 2), token("network", 1, 1) }) };

                @Override
                public TokenStream getTokenStream() {
                    TokenStream result = tokenStreams[tokenStreamCounter];
                    tokenStreamCounter++;
                    return result;
                }

                @Override
                protected void setReader(final Reader reader) {
                }
            };
        }
    };
    Input[] keys = new Input[] { new Input("wifi network is slow", 50), new Input("wi fi network is fast", 10) };
    Directory tempDir = getDirectory();
    FuzzySuggester suggester = new FuzzySuggester(tempDir, "fuzzy", analyzer);
    suggester.build(new InputArrayIterator(keys));
    List<LookupResult> results = suggester.lookup("wifi network", false, 10);
    if (VERBOSE) {
        System.out.println("Results: " + results);
    }
    assertEquals(2, results.size());
    assertEquals("wifi network is slow", results.get(0).key);
    assertEquals(50, results.get(0).value);
    assertEquals("wi fi network is fast", results.get(1).key);
    assertEquals(10, results.get(1).value);
    IOUtils.close(tempDir, analyzer);
}