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:com.browseengine.bobo.test.FacetNotValuesTest.java

License:Open Source License

private Directory createIndexTwo() {
    Directory dir = new RAMDirectory();
    try {//  w ww .ja  v  a 2s.  c o  m
        Document[] data = createDataTwo();

        TestDataDigester testDigester = new TestDataDigester(_facetHandlers, data);
        BoboIndexer indexer = new BoboIndexer(testDigester, dir);
        indexer.index();
        IndexReader r = IndexReader.open(dir, false);
        r.close();
    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return dir;
}

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From source file:com.browseengine.bobo.test.section.TestSectionSearch.java

License:Apache License

protected void setUp() throws Exception {
    directory = new RAMDirectory();
    analyzer = new WhitespaceAnalyzer();
    writer = new IndexWriter(directory, analyzer, true, MaxFieldLength.UNLIMITED);
    addDoc("1", new String[] { "aa", "bb" }, new String[] { "aaa", "aaa" }, new int[] { 100, 200 });
    addDoc("2", new String[] { "aa", "bb" }, new String[] { "aaa", "bbb" }, new int[] { 200, 200 });
    addDoc("3", new String[] { "aa", "bb" }, new String[] { "bbb", "aaa" }, new int[] { 300, 300 });
    addDoc("3", new String[] { "bb", "aa" }, new String[] { "bbb", "bbb" }, new int[] { 300, 400 });
    addDoc("3", new String[] { "bb", "aa" }, new String[] { "aaa", "ccc" }, new int[] { 300, 500 });
    writer.commit();//  w ww. j  a  v  a 2  s  .c om
    IndexReader reader = IndexReader.open(directory, true);
    searcher = new IndexSearcher(reader);
    IndexReader readerWithCache = new IndexReaderWithMetaDataCache(reader);
    searcherWithCache = new IndexSearcher(readerWithCache);
}

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From source file:com.browseengine.bobo.test.TestPathMultiVal.java

License:Apache License

@Override
protected void setUp() throws Exception {
    directory = new RAMDirectory();
    analyzer = new WhitespaceAnalyzer();
    IndexWriter writer = new IndexWriter(directory, analyzer, true, MaxFieldLength.UNLIMITED);
    Document doc = new Document();
    addMetaDataField(doc, PathHandlerName, new String[] { "/a/b/c", "/a/b/d" });
    writer.addDocument(doc);/*from  ww w  .  j  a  va2s.  c  om*/
    writer.commit();

    PathFacetHandler pathHandler = new PathFacetHandler("path", true);
    facetHandlers.add(pathHandler);
}

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From source file:com.browseengine.local.service.geoindex.test.GeoResourceWriterTest.java

License:Open Source License

public void testWrite() throws Throwable {
    GeoResourceWriter writer = null;/*from  ww  w. j av a2s.  c o  m*/
    try {
        RAMDirectory ramDir = new RAMDirectory();
        writer = new GeoResourceWriter(ramDir, true);

        LocalResource resource = new LocalResource("Spackle Me", "A place to go to get spackle.",
                "123 Fake St., Springfiled, ??", 4155551212L, -101., 45.1, 1);
        writer.addResource(resource);

        resource = new LocalResource("Bobo Foobar", "A place where you can hop to it.",
                "321 Singleton Ave., Chicago, IL 01123", 4155555785L, -95, 40, 2);
        writer.addResource(resource);

        try {
            resource = new LocalResource("Bad Record", "This record should never make the index",
                    "The Moon, Alice!", 4155559292L, -200, 22, 100);
            writer.addResource(resource);
            fail("should have thrown an exception for an out-of-range resource, but didn't");
        } catch (GeoIndexingException gie) {
            // okay
        }

        writer.optimize();
        writer.close();
        writer = null;

        LOGGER.info(getName() + ": success!");
    } catch (Throwable t) {
        LOGGER.error("fail: " + t, t);
        throw t;
    } finally {
        if (writer != null) {
            writer.close();
        }
    }
}

---

From source file:com.bull.aurocontrol.csst.poc.index.interval.BaseIntervalQueryTest.java

License:Apache License

@Before
public void setUp() throws IOException {
    RAMDirectory ramDirectory = new RAMDirectory();
    indexWriter = new IndexWriter(ramDirectory,
            new IndexWriterConfig(Version.LUCENE_35, new KeywordAnalyzer()).setOpenMode(OpenMode.CREATE));
}

---

From source file:com.codecrate.shard.search.RAMDirectoryManager.java

License:Apache License

public RAMDirectoryManager() throws IOException {
    this.directory = new RAMDirectory();
    IndexWriter writer = new IndexWriter(directory, new StandardAnalyzer(), true);
    writer.close();/*from w w w.  ja va  2  s  .  c  o m*/
}

---

From source file:com.common.search.IKAnalyzerDemo.java

License:Apache License

public static void main(String[] args) {
    // Lucene Document
    String fieldName = "text";
    // /*from ww w.j av  a 2 s. com*/
    String text = "IK Analyzer ";
    // IKAnalyzer
    Analyzer analyzer = new IKAnalyzer();
    Directory directory = null;
    IndexWriter iwriter = null;
    IndexReader ireader = null;
    IndexSearcher isearcher = null;
    try {
        // 
        directory = new RAMDirectory();
        // IndexWriterConfig
        IndexWriterConfig iwConfig = new IndexWriterConfig(Version.LUCENE_34, analyzer);
        iwConfig.setOpenMode(OpenMode.CREATE_OR_APPEND);
        iwriter = new IndexWriter(directory, iwConfig);
        // 
        Document doc = new Document();
        doc.add(new Field("ID", "10000", Field.Store.YES, Field.Index.NOT_ANALYZED));
        doc.add(new Field(fieldName, text, Field.Store.YES, Field.Index.ANALYZED));
        iwriter.addDocument(doc);
        iwriter.close();
        // **********************************
        // 
        ireader = IndexReader.open(directory);
        isearcher = new IndexSearcher(ireader);
        String keyword = "";
        // QueryParserQuery
        QueryParser qp = new QueryParser(Version.LUCENE_34, fieldName, analyzer);
        qp.setDefaultOperator(QueryParser.AND_OPERATOR);
        Query query = qp.parse(keyword);
        // 5
        TopDocs topDocs = isearcher.search(query, 5);
        System.out.println(" " + topDocs.totalHits);
        // 
        ScoreDoc[] scoreDocs = topDocs.scoreDocs;
        for (int i = 0; i < topDocs.totalHits; i++) {
            Document targetDoc = isearcher.doc(scoreDocs[i].doc);
            System.out.println(" " + targetDoc.toString());
        }
    } catch (CorruptIndexException e) {
        e.printStackTrace();
    } catch (LockObtainFailedException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (ParseException e) {
        e.printStackTrace();
    } finally {
        if (ireader != null) {
            try {
                ireader.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (directory != null) {
            try {
                directory.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

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From source file:com.concursive.connect.indexer.AbstractLuceneTest.java

License:Open Source License

protected void setUp() throws Exception {
    // Snowball/*from   w w w . j ava  2  s.  com*/
    snowballAnalyzer = new SnowballAnalyzer("English");
    snowballIndex = new RAMDirectory();
    snowballWriter = new IndexWriter(snowballIndex, snowballAnalyzer, true);
    // Standard
    standardAnalyzer = new StandardAnalyzer();
    standardIndex = new RAMDirectory();
    standardWriter = new IndexWriter(standardIndex, standardAnalyzer, true);
}

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From source file:com.concursive.connect.indexer.LuceneIndexer.java

License:Open Source License

/**
 * Sets up any Lucene Indexer classes//from   w  w  w.ja  v  a  2  s. com
 *
 * @param context
 * @return
 * @throws Exception
 */
public boolean setup(IndexerContext context) throws Exception {
    // Make sure the complex queries can use more than the default clause count
    BooleanQuery.setMaxClauseCount(Integer.MAX_VALUE);

    // Setup the Indexes so they are in a state in which they can immediately
    // be accessed
    ApplicationPrefs prefs = context.getApplicationPrefs();
    {
        // Establish the full directory
        LOG.info("Starting Lucene disk index");
        File path = new File(prefs.get("FILELIBRARY") + Constants.FULL_INDEX);
        boolean create = !path.exists();
        fullIndex = FSDirectory.getDirectory(prefs.get("FILELIBRARY") + Constants.FULL_INDEX);
        if (create) {
            LOG.warn("Lucene index not found, creating new index: " + path.getPath());
            Analyzer fullAnalyzer = new StandardAnalyzer();
            fullWriter = new IndexWriter(fullIndex, fullAnalyzer, true);
            fullWriter.close();
        }
    }

    {
        // Load up the ram directory
        LOG.info("Creating Lucene RAM index...");
        // Create the Ram Directory
        directoryIndex = new RAMDirectory();
        Analyzer directoryAnalyzer = new SnowballAnalyzer("English");
        directoryWriter = new IndexWriter(directoryIndex, directoryAnalyzer, true);
        directoryWriter.close();
        LOG.info("Initialization of RAM index complete...");
    }
    // Search using the updated index
    resetSearchers();
    return true;
}

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From source file:com.czw.search.lucene.example.xmlparser.FormBasedXmlQueryDemo.java

License:Apache License

private void openExampleIndex() throws IOException {
    //Create a RAM-based index from our test data file
    RAMDirectory rd = new RAMDirectory();
    IndexWriterConfig iwConfig = new IndexWriterConfig(analyzer);
    IndexWriter writer = new IndexWriter(rd, iwConfig);
    InputStream dataIn = getServletContext().getResourceAsStream("/WEB-INF/data.tsv");
    BufferedReader br = new BufferedReader(new InputStreamReader(dataIn, StandardCharsets.UTF_8));
    String line = br.readLine();//from   w  w w  . ja va2s.com
    final FieldType textNoNorms = new FieldType(TextField.TYPE_STORED);
    textNoNorms.setOmitNorms(true);
    while (line != null) {
        line = line.trim();
        if (line.length() > 0) {
            //parse row and create a document
            StringTokenizer st = new StringTokenizer(line, "\t");
            Document doc = new Document();
            doc.add(new Field("location", st.nextToken(), textNoNorms));
            doc.add(new Field("salary", st.nextToken(), textNoNorms));
            doc.add(new Field("type", st.nextToken(), textNoNorms));
            doc.add(new Field("description", st.nextToken(), textNoNorms));
            writer.addDocument(doc);
        }
        line = br.readLine();
    }
    writer.close();

    //open searcher
    // this example never closes it reader!
    IndexReader reader = DirectoryReader.open(rd);
    searcher = new IndexSearcher(reader);
}

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