Example usage for org.apache.lucene.store RAMDirectory RAMDirectory

Introduction

In this page you can find the example usage for org.apache.lucene.store RAMDirectory RAMDirectory.

Prototype

public RAMDirectory() 

Source Link

Document

Constructs an empty Directory .

Usage

From source file:lucene.security.index.SecureAtomicReaderTestBase.java

License:Apache License

private AtomicReader createReader() throws IOException {
    IndexWriterConfig conf = new IndexWriterConfig(Version.LUCENE_43, new KeywordAnalyzer());
    Directory dir = new RAMDirectory();
    IndexWriter writer = new IndexWriter(dir, conf);
    AccessControlWriter accessControlWriter = getAccessControlFactory().getWriter();
    writer.addDocument(accessControlWriter.addDiscoverVisiblity("d1",
            accessControlWriter.addReadVisiblity("r1", getDoc(0))));
    writer.addDocument(accessControlWriter.addDiscoverVisiblity("d1",
            accessControlWriter.addReadVisiblity("r2", getDoc(1))));
    writer.addDocument(accessControlWriter.addDiscoverVisiblity("d2",
            accessControlWriter.addReadVisiblity("r1", getDoc(2))));
    writer.addDocument(accessControlWriter.addDiscoverVisiblity("d2",
            accessControlWriter.addReadVisiblity("r2", getDoc(3))));
    writer.close();/*from  w ww .  j a va 2s.c  o  m*/

    DirectoryReader reader = DirectoryReader.open(dir);
    List<AtomicReaderContext> leaves = reader.leaves();
    return leaves.get(0).reader();
}

---

From source file:lucene.security.IndexSearcherTest.java

License:Apache License

private void runTest(int expected, Collection<String> readAuthorizations,
        Collection<String> discoverAuthorizations, Collection<String> discoverableFields)
        throws IOException, ParseException {
    IndexWriterConfig conf = new IndexWriterConfig(Version.LUCENE_43, new StandardAnalyzer(Version.LUCENE_43));
    Directory dir = new RAMDirectory();
    IndexWriter writer = new IndexWriter(dir, conf);
    writer.addDocument(getEmpty());/* w w w  .  ja  va 2s.c o  m*/
    writer.commit();
    writer.addDocument(getDoc("(a&b)|d", null, "f1", "f2"));
    writer.addDocument(getDoc("a&b&c", null, "f1", "f2"));
    writer.addDocument(getDoc("a&b&c&e", "a&b&c", "f1", "f2"));
    writer.addDocument(getDoc(null, null, "f1", "f2"));// can't find
    writer.close();

    DirectoryReader reader = DirectoryReader.open(dir);
    List<AtomicReaderContext> leaves = reader.leaves();
    assertEquals(2, leaves.size());
    SecureIndexSearcher searcher = new SecureIndexSearcher(reader, getAccessControlFactory(),
            readAuthorizations, discoverAuthorizations, toSet(discoverableFields));

    String queryStr = "text";
    Query query = new QueryParser(Version.LUCENE_43, "text", new StandardAnalyzer(Version.LUCENE_43))
            .parse(queryStr);
    TopDocs topDocs = searcher.search(query, 10);

    assertEquals(expected, topDocs.totalHits);
    DocumentAuthorizations readDocumentAuthorizations = new DocumentAuthorizations(readAuthorizations);
    DocumentAuthorizations discoverDocumentAuthorizations = new DocumentAuthorizations(discoverAuthorizations);
    DocumentVisibilityEvaluator readVisibilityEvaluator = new DocumentVisibilityEvaluator(
            readDocumentAuthorizations);
    DocumentVisibilityEvaluator discoverVisibilityEvaluator = new DocumentVisibilityEvaluator(
            discoverDocumentAuthorizations);
    for (int i = 0; i < topDocs.totalHits & i < topDocs.scoreDocs.length; i++) {
        Document doc = searcher.doc(topDocs.scoreDocs[i].doc);
        String read = doc.get("_read_");
        String discover = doc.get("_discover_");
        if (read != null && discover != null) {
            DocumentVisibility readVisibility = new DocumentVisibility(read);
            DocumentVisibility discoverVisibility = new DocumentVisibility(discover);
            assertTrue(readVisibilityEvaluator.evaluate(readVisibility)
                    || discoverVisibilityEvaluator.evaluate(discoverVisibility));
        } else if (read != null) {
            DocumentVisibility readVisibility = new DocumentVisibility(read);
            assertTrue(readVisibilityEvaluator.evaluate(readVisibility));
        } else if (discover != null) {
            DocumentVisibility discoverVisibility = new DocumentVisibility(discover);
            assertTrue(discoverVisibilityEvaluator.evaluate(discoverVisibility));
            // Since this document is only discoverable validate fields that are
            // being returned.
            validateDiscoverFields(doc, discoverableFields);
        } else {
            fail("Should not fetch empty document.");
        }
    }
    searcher.search(query, new Collector() {

        @Override
        public void setScorer(Scorer scorer) throws IOException {
        }

        @Override
        public void setNextReader(AtomicReaderContext context) throws IOException {
            assertTrue(context.reader() instanceof SecureAtomicReader);
        }

        @Override
        public void collect(int doc) throws IOException {

        }

        @Override
        public boolean acceptsDocsOutOfOrder() {
            return false;
        }
    });
}

---

From source file:luceneexamples.AddDocument.java

License:Apache License

@Test
public void index() throws Exception {
    RAMDirectory directory = new RAMDirectory();
    Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_31);
    IndexWriterConfig iwc = new IndexWriterConfig(Version.LUCENE_31, analyzer);
    IndexWriter writer = new IndexWriter(directory, iwc);

    Document doc = new Document();
    doc.add(new Field("str_field", "quick brown fox jumped over the lazy dog.", Field.Store.YES,
            Field.Index.ANALYZED));
    writer.addDocument(doc);//from w w  w. j a v  a 2  s. co  m
    writer.commit();
    IndexReader reader = IndexReader.open(writer, true);
    IndexSearcher searcher = new IndexSearcher(reader);
    QueryParser parser = new QueryParser(Version.LUCENE_31, "str_field", analyzer);
    TopDocs td = searcher.search(parser.parse("fox"), 1000);
    assertThat(td.totalHits, is(1));

    Document doc2 = new Document();
    doc2.add(new Field("str_field", "quick brown dog jumped over the lazy fox.", Field.Store.YES,
            Field.Index.ANALYZED));
    writer.addDocument(doc2);
    writer.commit();

    td = searcher.search(parser.parse("fox"), 1000);
    assertThat(td.totalHits, is(1));

    searcher.close();
    reader = reader.reopen();
    searcher = new IndexSearcher(reader);

    td = searcher.search(parser.parse("fox"), 1000);
    assertThat(td.totalHits, is(2));

    writer.close();
    searcher.close();
    directory.close();
}

---

From source file:luceneexamples.GoSenSearch.java

License:Apache License

@Test
public void index() throws Exception {
    System.setProperty("org.apache.lucene.ja.config.file", "japanese-gosen-analyzer.xml");
    System.setProperty("sen.home", "dictionary");

    Directory directory = new RAMDirectory();
    //        Directory directory = FSDirectory.open(new File("gosenindex"));
    Analyzer analyzer = new GoSenAnalyzer();

    IndexWriterConfig iwc = new IndexWriterConfig(Version.LUCENE_31, analyzer);
    IndexWriter writer = new IndexWriter(directory, iwc);

    Document doc = new Document();
    doc.add(new Field("str_field", "quick brown fox jumped over the lazy dog.", Field.Store.YES,
            Field.Index.ANALYZED));
    writer.addDocument(doc);/*w w  w . jav  a  2s. c o m*/
    Document doc2 = new Document();
    doc2.add(new Field("str_field", "?????", Field.Store.YES,
            Field.Index.ANALYZED));
    writer.addDocument(doc2);
    writer.close();
    IndexSearcher searcher = new IndexSearcher(directory, true);
    QueryParser parser = new QueryParser(Version.LUCENE_31, "str_field", analyzer);
    TopDocs td = searcher.search(parser.parse(""), 1000);
    assertThat(td.totalHits, is(1));
    searcher.close();
    directory.close();
}

---

From source file:luceneexamples.IndexAndSearch.java

License:Apache License

@Test
public void index() throws Exception {
    RAMDirectory directory = new RAMDirectory();
    Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_31);
    IndexWriterConfig iwc = new IndexWriterConfig(Version.LUCENE_31, analyzer);
    IndexWriter writer = new IndexWriter(directory, iwc);

    Document doc = new Document();
    doc.add(new Field("str_field", "quick brown fox jumped over the lazy dog.", Field.Store.YES,
            Field.Index.ANALYZED));
    writer.addDocument(doc);/*  ww  w  . ja va2 s  .com*/
    Document doc2 = new Document();
    doc2.add(new Field("str_field", "?????", Field.Store.YES,
            Field.Index.ANALYZED));
    writer.addDocument(doc2);
    writer.close();
    IndexSearcher searcher = new IndexSearcher(directory, true);
    QueryParser parser = new QueryParser(Version.LUCENE_31, "str_field", analyzer);
    TopDocs td = searcher.search(parser.parse("fox"), 1000);
    assertThat(td.totalHits, is(1));
    Document doc3 = searcher.doc(td.scoreDocs[0].doc);
    assertEquals("quick brown fox jumped over the lazy dog.", doc3.get("str_field"));
    searcher.close();
    directory.close();
}

---

From source file:luceneexamples.JapaneseSearch.java

License:Apache License

@Test
public void index() throws Exception {
    Directory directory = new RAMDirectory();
    //        Directory directory = FSDirectory.open(new File("cjkindex"));
    Analyzer analyzer = new CJKAnalyzer(Version.LUCENE_31);

    IndexWriterConfig iwc = new IndexWriterConfig(Version.LUCENE_31, analyzer);
    IndexWriter writer = new IndexWriter(directory, iwc);

    Document doc = new Document();
    doc.add(new Field("str_field", "quick brown fox jumped over the lazy dog.", Field.Store.YES,
            Field.Index.ANALYZED));
    writer.addDocument(doc);/*w ww  .  j  ava  2s .co  m*/
    Document doc2 = new Document();
    doc2.add(new Field("str_field", "?????", Field.Store.YES,
            Field.Index.ANALYZED));
    writer.addDocument(doc2);
    writer.close();
    IndexSearcher searcher = new IndexSearcher(directory, true);
    QueryParser parser = new QueryParser(Version.LUCENE_31, "str_field", analyzer);
    TopDocs td = searcher.search(parser.parse(""), 1000);
    assertThat(td.totalHits, is(1));
    searcher.close();
    directory.close();
}

---

From source file:luceneexamples.NumericFieldDocument.java

License:Apache License

@Test
public void index() throws Exception {
    RAMDirectory directory = new RAMDirectory();
    Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_31);
    IndexWriterConfig iwc = new IndexWriterConfig(Version.LUCENE_31, analyzer);
    IndexWriter writer = new IndexWriter(directory, iwc);

    for (int i = 8; i < 12; i++) {
        Document doc = new Document();
        doc.add(new NumericField("int_field", Field.Store.YES, true).setIntValue(i));
        System.out.println(doc);/*from   w ww .ja  v a2 s  . c  om*/
        writer.addDocument(doc);
    }
    writer.commit();

    IndexReader reader = IndexReader.open(writer, true);
    IndexSearcher searcher = new IndexSearcher(reader);
    TopDocs td = searcher.search(new MatchAllDocsQuery(), 1000,
            new Sort(new SortField("int_field", SortField.INT)));
    assertThat(td.totalHits, is(4));
    assertThat(searcher.doc(td.scoreDocs[0].doc).get("int_field"), equalTo("8"));
    assertThat(searcher.doc(td.scoreDocs[1].doc).get("int_field"), equalTo("9"));
    assertThat(searcher.doc(td.scoreDocs[2].doc).get("int_field"), equalTo("10"));
    assertThat(searcher.doc(td.scoreDocs[3].doc).get("int_field"), equalTo("11"));

    reader.close();
    writer.close();
    searcher.close();
    directory.close();
}

---

From source file:luceneexamples.SortDocuments.java

License:Apache License

@Test
public void index() throws Exception {
    RAMDirectory directory = new RAMDirectory();
    Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_31);
    IndexWriterConfig iwc = new IndexWriterConfig(Version.LUCENE_31, analyzer);
    IndexWriter writer = new IndexWriter(directory, iwc);

    Document doc = new Document();
    doc.add(new Field("str_field", "abc", Field.Store.YES, Field.Index.ANALYZED));
    writer.addDocument(doc);//  w w w  .  ja v  a 2s.c  o m
    Document doc2 = new Document();
    doc2.add(new Field("str_field", "def", Field.Store.YES, Field.Index.ANALYZED));
    writer.addDocument(doc2);
    Document doc3 = new Document();
    doc3.add(new Field("str_field", "hij", Field.Store.YES, Field.Index.ANALYZED));
    writer.addDocument(doc3);
    writer.commit();

    IndexReader reader = IndexReader.open(writer, true);
    IndexSearcher searcher = new IndexSearcher(reader);
    TopDocs td = searcher.search(new MatchAllDocsQuery(), 1000,
            new Sort(new SortField("str_field", SortField.STRING)));
    assertThat(td.totalHits, is(3));
    assertThat(searcher.doc(td.scoreDocs[0].doc).get("str_field"), equalTo("abc"));
    assertThat(searcher.doc(td.scoreDocs[1].doc).get("str_field"), equalTo("def"));
    assertThat(searcher.doc(td.scoreDocs[2].doc).get("str_field"), equalTo("hij"));

    td = searcher.search(new MatchAllDocsQuery(), 1000,
            new Sort(new SortField("str_field", SortField.STRING, true)));
    assertThat(td.totalHits, is(3));
    assertThat(searcher.doc(td.scoreDocs[0].doc).get("str_field"), equalTo("hij"));
    assertThat(searcher.doc(td.scoreDocs[1].doc).get("str_field"), equalTo("def"));
    assertThat(searcher.doc(td.scoreDocs[2].doc).get("str_field"), equalTo("abc"));

    reader.close();
    writer.close();
    searcher.close();
    directory.close();
}

---

From source file:luceneexamples.UpdateDocument.java

License:Apache License

@Test
public void index() throws Exception {
    RAMDirectory directory = new RAMDirectory();
    Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_31);
    IndexWriterConfig iwc = new IndexWriterConfig(Version.LUCENE_31, analyzer);
    IndexWriter writer = new IndexWriter(directory, iwc);

    Document doc = new Document();
    doc.add(new Field("id", "001", Field.Store.YES, Field.Index.NOT_ANALYZED));
    doc.add(new Field("str_field", "quick brown fox jumped over the lazy dog.", Field.Store.YES,
            Field.Index.ANALYZED));
    writer.addDocument(doc);/* ww  w  . j ava2  s  . c  o  m*/
    writer.commit();
    IndexReader reader = IndexReader.open(writer, true);
    IndexSearcher searcher = new IndexSearcher(reader);
    QueryParser parser = new QueryParser(Version.LUCENE_31, "str_field", analyzer);
    TopDocs td = searcher.search(parser.parse("fox"), 1000);
    assertThat(td.totalHits, is(1));

    Document doc2 = new Document();
    doc.add(new Field("id", "001", Field.Store.YES, Field.Index.NOT_ANALYZED));
    doc2.add(new Field("str_field", "quick brown fox jumped over the lazy whale.", Field.Store.YES,
            Field.Index.ANALYZED));
    writer.updateDocument(new Term("id", "001"), doc2);
    writer.commit();

    searcher.close();
    reader = reader.reopen();
    searcher = new IndexSearcher(reader);

    td = searcher.search(parser.parse("dog"), 1000);
    assertThat(td.totalHits, is(0));
    td = searcher.search(parser.parse("whale"), 1000);
    assertThat(td.totalHits, is(1));

    writer.close();
    searcher.close();
    directory.close();
}

---

From source file:lux.BaseSearchTest.java

License:Mozilla Public License

public static void setup(String... xmlfile) throws Exception {
    XmlIndexer indexer = new XmlIndexer(
            INDEX_QNAMES | INDEX_PATHS | STORE_DOCUMENT | INDEX_FULLTEXT | STORE_TINY_BINARY);
    IndexConfiguration config = indexer.getConfiguration();
    config.addField(new XPathField("doctype", "name(/*)", null, Store.YES, Type.STRING));
    config.addField(new XPathField("actnum", "/*/@act", null, Store.YES, Type.INT));
    config.addField(new XPathField("scnlong", "/*/@scene", null, Store.YES, Type.LONG));
    config.addField(new XPathField("actstr", "/*/@act", null, Store.YES, Type.STRING));
    config.setElementVisibility("hidden", ElementVisibility.HIDDEN);
    config.setElementVisibility("name", ElementVisibility.TRANSPARENT);
    config.setElementVisibility("LINE", ElementVisibility.TRANSPARENT);
    config.setElementVisibility("SCENE", ElementVisibility.CONTAINER);

    index = new IndexTestSupport(xmlfile, indexer, new RAMDirectory());

    totalDocs = index.totalDocs;/*from   w w  w .  j a va 2 s .co m*/
}

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