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:au.edu.unimelb.csse.join.JoinFunctionalTest.java

License:Apache License

public void testFilterjoin() throws Exception {
    String sent = "(NP" + "(NP" + "(DT The)" + "(NN year))" + "(NP" + "(NP(CD 1956))" + "(PP" + "(IN in)"
            + "(NP(JJ rugby)(NN union))" + ")" + ")" + "(. .)" + ")";
    Analyzer analyser = new FastStringAnalyser();
    RAMDirectory dir = new RAMDirectory();
    IndexWriter writer = new IndexWriter(dir, analyser, true, IndexWriter.MaxFieldLength.UNLIMITED);

    Document d = new Document();
    d.add(new Field("sent", sent, Field.Store.NO, Field.Index.ANALYZED_NO_NORMS,
            Field.TermVector.WITH_POSITIONS));
    writer.addDocument(d);/*w  w  w . j a  va  2 s  . c o m*/

    writer.close();

    IndexSearcher searcher = new IndexSearcher(dir);

    boolean[] lookaheadOptions = new boolean[] { false, true };
    for (TermJoinType type : TermJoinType.values()) {
        for (boolean lookahead : lookaheadOptions) {
            QueryBuilder builder = new QueryBuilder("//PP[/IN AND /NP]");
            TreebankQuery query = builder.parse(type, lookahead);
            SimpleHitCollector hitCollector = new SimpleHitCollector(10);
            searcher.search(query, hitCollector);
            assertEquals(1, hitCollector.totalHits);
        }
    }

    QueryBuilder builder = new QueryBuilder("//PP[/IN AND /NP/JJ/rugby]");
    TreebankQuery query = builder.parse(TermJoinType.SIMPLE, true);
    SimpleHitCollector hitCollector = new SimpleHitCollector(10);
    searcher.search(query, hitCollector);
    assertEquals(1, hitCollector.totalHits);

}

---

From source file:BlockBuilding.AbstractBlockBuilding.java

License:Apache License

protected void setMemoryDirectory() {
    indexDirectoryD1 = new RAMDirectory();
    if (entityProfilesD2 != null) {
        indexDirectoryD2 = new RAMDirectory();
    }// w ww  .  j  a va2  s.  c o  m
}

---

From source file:BlockBuilding.AbstractIndexBasedMethod.java

License:Open Source License

protected void setMemoryDirectory() {
    indexDirectory = new Directory[entityProfiles.length];
    for (int i = 0; i < entityProfiles.length; i++) {
        indexDirectory[i] = new RAMDirectory();
    }/*from w w  w. j av a 2s.  c om*/
}

---

From source file:br.pucminas.ri.jsearch.queryexpansion.RocchioQueryExpansion.java

License:Open Source License

private Directory createIndex(ArrayList<Document> relevantDocs)
        throws CorruptIndexException, LockObtainFailedException, IOException {

    Directory index = new RAMDirectory();
    PorterStemAnalyzer analyzer = new PorterStemAnalyzer();
    IndexWriterConfig conf = new IndexWriterConfig(analyzer);

    try (IndexWriter idxWriter = new IndexWriter(index, conf)) {
        for (Document d : relevantDocs) {
            idxWriter.addDocument(d);//www . j  ava 2  s  .c o  m
        }
    }

    return index;
}

---

From source file:br.usp.icmc.gazetteer.SemanticSearchTest.LuceneSearcher.java

License:Open Source License

public LuceneSearcher(String diretorio, String salvar, int topK, int stopword, String path)
        throws IOException, Exception {
    numQ = 1;/*from   w  ww.j  a v  a 2s .  c  o  m*/
    this.topK = topK;
    dir = new RAMDirectory();
    // dir = new SimpleFSDirectory(new File("C:\\Users\\Silvio\\index\\"));
    a = new StandardAnalyzer(Version.LUCENE_36);
    System.out.println("Sem stop word");

}

---

From source file:byrne.mitre.main.NameMatcher.java

License:Apache License

public static void main(String[] args) {

    try {//w w w. j av a 2 s  .  co m

        long startTime = System.currentTimeMillis();

        System.out.println("Loading Index...");
        final Analyzer analyzer = new NGramAnalyzer(2, 4);

        final Directory index = new RAMDirectory();
        final IndexWriter writer = new IndexWriter(index, analyzer, true, IndexWriter.MaxFieldLength.UNLIMITED);
        loadIndex("index.txt", writer);
        writer.close();

        System.out.println("Running queries...");
        final BufferedReader bufferedReader = new BufferedReader(new FileReader("queries.txt"));
        final BufferedWriter out = new BufferedWriter(new FileWriter("results.txt"));

        final IndexSearcher searcher = new IndexSearcher(index, true);
        String line = null;

        final int N_THREADS = Runtime.getRuntime().availableProcessors();
        System.out.println("Total threads: " + N_THREADS);

        final ExecutorService executor = Executors.newFixedThreadPool(N_THREADS);

        while ((line = bufferedReader.readLine()) != null) {
            final NameEntry entry = new NameEntry(line);
            final MitreQuery q = new MitreQuery(entry, analyzer, searcher, out);
            executor.execute(q);
        }
        executor.shutdown();
        executor.awaitTermination(Long.MAX_VALUE, TimeUnit.MINUTES);

        bufferedReader.close();
        searcher.close();
        out.close();

        long endTime = System.currentTimeMillis();
        System.out.println("Total run time: " + (endTime - startTime) / 60000 + " minutes");

    } catch (IOException e) {
        System.out.println(e);
    } catch (InterruptedException e) {
        System.out.println(e);
    }

}

---

From source file:ca.mcgill.cs.creco.logic.search.CategorySearch.java

License:Apache License

/**
 * Constructor.//  ww w  .  j a v a 2 s .c o m
 * @param pDataStore The database whose categories will be in the search index. 
 * @throws IOException If an exception is thrown during the creation of the product index.
 */
@Autowired
public CategorySearch(IDataStore pDataStore) throws IOException {
    aDirectory = new RAMDirectory();
    aAnalyzer = new EnglishAnalyzer(VERSION);
    aDataStore = pDataStore;

    buildCategoryIndex();
}

---

From source file:cc.osint.graphd.graph.Graph.java

License:Apache License

public Graph(String graphName) throws Exception {
    this.graphName = graphName;
    gr = new ListenableDirectedWeightedGraph<JSONVertex, JSONEdge>(JSONEdge.class);
    connectivityInspector = new ConnectivityInspector<JSONVertex, JSONEdge>(gr);
    vertices = new ConcurrentHashMap<String, JSONVertex>();

    // event handlers
    gr.addVertexSetListener(this);
    gr.addGraphListener(this);
    gr.addVertexSetListener(connectivityInspector);
    gr.addGraphListener(connectivityInspector);

    // simulation components
    executorService = Executors.newCachedThreadPool();
    fiberFactory = new PoolFiberFactory(executorService);
    vertexProcesses = new ProcessGroup<JSONVertex, JSONObject>(this, "vertex_processors", executorService,
            fiberFactory);//from  ww  w.  j  a va2 s .  com
    edgeProcesses = new ProcessGroup<JSONEdge, JSONObject>(this, "edge_processors", executorService,
            fiberFactory);
    graphProcesses = new ProcessGroup<EventObject, JSONObject>(this, "graph_processors", executorService,
            fiberFactory);
    endpointChannelProcesses = new ProcessGroup<String, JSONObject>(this, "endpoint_channel_processors",
            executorService, fiberFactory);

    // graph index
    luceneDirectory = new RAMDirectory();
    indexWriter = new IndexWriter(luceneDirectory, analyzer, IndexWriter.MaxFieldLength.LIMITED);
    indexReader = indexWriter.getReader();
    searcher = new IndexSearcher(indexReader);

    // process registry
    simLuceneDirectory = new RAMDirectory();
    simIndexWriter = new IndexWriter(simLuceneDirectory, analyzer, IndexWriter.MaxFieldLength.LIMITED);
    simIndexReader = simIndexWriter.getReader();
    simSearcher = new IndexSearcher(simIndexReader);

}

---

From source file:cc.pp.analyzer.ik.demo.IKAnalyzerDemo.java

License:Apache License

public static void main(String[] args) {

    //Lucene Document??
    String fieldName = "text";
    ///*from  w  w  w.j a  va  2 s. c  o m*/
    String text = "IK Analyzer???????";

    //IKAnalyzer?
    Analyzer analyzer = new IKAnalyzer(Version.LUCENE_48, true);

    Directory directory = null;
    IndexWriter iwriter = null;
    DirectoryReader ireader = null;
    IndexSearcher isearcher = null;
    try {
        //
        directory = new RAMDirectory();

        //?IndexWriterConfig
        IndexWriterConfig iwConfig = new IndexWriterConfig(Version.LUCENE_48, analyzer);
        iwConfig.setOpenMode(OpenMode.CREATE_OR_APPEND);
        iwriter = new IndexWriter(directory, iwConfig);
        //
        Document doc = new Document();
        doc.add(new LongField("ID", 1000, Field.Store.YES));
        doc.add(new TextField(fieldName, text, Field.Store.YES));
        iwriter.addDocument(doc);
        iwriter.close();

        //?**********************************
        //?
        ireader = DirectoryReader.open(directory);
        isearcher = new IndexSearcher(ireader);

        String keyword = "?";
        //         String keyword = "";
        //QueryParser?Query
        QueryParser qp = new QueryParser(Version.LUCENE_48, fieldName, analyzer);
        qp.setDefaultOperator(QueryParser.AND_OPERATOR);
        Query query = qp.parse(keyword);
        System.out.println("Query = " + query);

        //?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();
            }
        }
    }
}

---

From source file:ch.algotrader.rest.index.SecurityIndexer.java

License:Open Source License

public SecurityIndexer() {
    this.index = new RAMDirectory();
    this.securityCache = new ConcurrentHashMap<>();
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• »