Example usage for org.apache.lucene.search IndexSearcher IndexSearcher

List of usage examples for org.apache.lucene.search IndexSearcher IndexSearcher

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Introduction

In this page you can find the example usage for org.apache.lucene.search IndexSearcher IndexSearcher.

Prototype

public IndexSearcher(IndexReaderContext context, Executor executor)

Source Link

Document

Creates a searcher searching the provided top-level IndexReaderContext .

Usage

From source file:analysis.SynonymAnalyzerTest.java

License:Apache License

public void setUp() throws Exception {
    RAMDirectory directory = new RAMDirectory();

    IndexWriter writer = new IndexWriter(directory, synonymAnalyzer, //#1  
            IndexWriter.MaxFieldLength.UNLIMITED);
    Document doc = new Document();
    doc.add(new Field("content", "The quick brown fox jumps over the lazy dog", Field.Store.YES,
            Field.Index.ANALYZED)); //#2
    writer.addDocument(doc);//from  ww  w.java2 s  . c o  m

    writer.close();

    searcher = new IndexSearcher(directory, true);
}

From source file:aos.lucene.analysis.positional.PositionalPorterStopAnalyzerTest.java

License:Apache License

public void setUp() throws Exception {

    RAMDirectory directory = new RAMDirectory();

    IndexWriter writer = new IndexWriter(directory, porterAnalyzer, IndexWriter.MaxFieldLength.UNLIMITED);

    Document doc = new Document();
    doc.add(new Field("contents", "The quick brown fox jumps over the lazy dog", Field.Store.YES,
            Field.Index.ANALYZED));
    writer.addDocument(doc);/* w w w .  j a  v a  2 s.co m*/
    writer.close();
    searcher = new IndexSearcher(directory, true);
    parser = new QueryParser(Version.LUCENE_46, "contents", porterAnalyzer);
}

From source file:aos.lucene.search.advanced.FunctionQueryTest.java

License:Apache License

public void setUp() throws Exception {
    Directory dir = new RAMDirectory();
    w = new IndexWriter(dir, new StandardAnalyzer(Version.LUCENE_46), IndexWriter.MaxFieldLength.UNLIMITED);
    addDoc(7, "this hat is green");
    addDoc(42, "this hat is blue");
    w.close();//from  w w  w.  ja  va 2  s  . c  o  m

    s = new IndexSearcher(dir, true);
}

From source file:aos.lucene.search.advanced.MultiFieldQueryParserTest.java

License:Apache License

public void testDefaultOperator() throws Exception {
    Query query = new MultiFieldQueryParser(Version.LUCENE_46, new String[] { "title", "subject" },
            new SimpleAnalyzer()).parse("development");

    Directory dir = TestUtil.getBookIndexDirectory();
    IndexSearcher searcher = new IndexSearcher(dir, true);
    TopDocs hits = searcher.search(query, 10);

    assertTrue(TestUtil.hitsIncludeTitle(searcher, hits, "Ant in Action"));

    assertTrue(TestUtil.hitsIncludeTitle( //A
            searcher, //A
            hits, //A
            "Extreme Programming Explained")); //A
    searcher.close();/*from  w  ww .  j a va  2  s  . co  m*/
    dir.close();
}

From source file:aos.lucene.search.advanced.MultiFieldQueryParserTest.java

License:Apache License

public void testSpecifiedOperator() throws Exception {
    Query query = MultiFieldQueryParser.parse(Version.LUCENE_46, "lucene", new String[] { "title", "subject" },
            new BooleanClause.Occur[] { BooleanClause.Occur.MUST, BooleanClause.Occur.MUST },
            new SimpleAnalyzer());

    Directory dir = TestUtil.getBookIndexDirectory();
    IndexSearcher searcher = new IndexSearcher(dir, true);
    TopDocs hits = searcher.search(query, 10);

    assertTrue(TestUtil.hitsIncludeTitle(searcher, hits, "Lucene in Action, Second Edition"));
    assertEquals("one and only one", 1, hits.scoreDocs.length);
    searcher.close();//  w  w  w  .  j a v a 2s. c  o m
    dir.close();
}

From source file:aos.lucene.search.ext.filters.SpecialsFilterTest.java

License:Apache License

@Override
protected void setUp() throws Exception {
    allBooks = new MatchAllDocsQuery();
    searcher = new IndexSearcher(TestUtil.getBookIndexDirectory(), true);
}

From source file:aos.lucene.search.ext.queryparser.NumericQueryParserTest.java

License:Apache License

protected void setUp() throws Exception {
    analyzer = new WhitespaceAnalyzer(Version.LUCENE_46);
    dir = TestUtil.getBookIndexDirectory();
    searcher = new IndexSearcher(dir, true);
}

From source file:aos.lucene.tools.BerkeleyDbJESearcher.java

License:Apache License

public static void main(String[] args) throws IOException, DatabaseException {

    if (args.length != 1) {
        System.err.println("Usage: BerkeleyDbSearcher <index dir>");
        System.exit(-1);// ww w  . ja  v a 2s. c o  m
    }
    File indexFile = new File(args[0]);

    EnvironmentConfig envConfig = new EnvironmentConfig();
    DatabaseConfig dbConfig = new DatabaseConfig();

    envConfig.setTransactional(true);
    envConfig.setAllowCreate(true);
    dbConfig.setTransactional(true);
    dbConfig.setAllowCreate(true);

    Environment env = new Environment(indexFile, envConfig);

    Database index = env.openDatabase(null, "__index__", dbConfig);
    Database blocks = env.openDatabase(null, "__blocks__", dbConfig);

    JEDirectory directory = new JEDirectory(null, index, blocks);

    IndexSearcher searcher = new IndexSearcher(directory, true);
    TopDocs hits = searcher.search(new TermQuery(new Term("contents", "fox")), 10);
    LOGGER.info(hits.totalHits + " documents found");
    searcher.close();

    index.close();
    blocks.close();
    env.close();
}

From source file:aos.lucene.tools.BerkeleyDbSearcher.java

License:Apache License

public static void main(String[] args) throws IOException, DatabaseException {
    if (args.length != 1) {
        System.err.println("Usage: BerkeleyDbSearcher <index dir>");
        System.exit(-1);//from   www  .j  ava  2s .  co m
    }
    File indexFile = new File(args[0]);

    EnvironmentConfig envConfig = new EnvironmentConfig();
    DatabaseConfig dbConfig = new DatabaseConfig();

    envConfig.setTransactional(true);
    envConfig.setInitializeCache(true);
    envConfig.setInitializeLocking(true);
    envConfig.setInitializeLogging(true);
    envConfig.setAllowCreate(true);
    envConfig.setThreaded(true);
    dbConfig.setAllowCreate(true);
    dbConfig.setType(DatabaseType.BTREE);

    Environment env = new Environment(indexFile, envConfig);

    Database index = env.openDatabase(null, "__index__", null, dbConfig);
    Database blocks = env.openDatabase(null, "__blocks__", null, dbConfig);

    DbDirectory directory = new DbDirectory(null, index, blocks, 0);

    IndexSearcher searcher = new IndexSearcher(directory, true);
    TopDocs hits = searcher.search(new TermQuery(new Term("contents", "fox")), 10);
    LOGGER.info(hits.totalHits + " documents found");
    searcher.close();

    index.close();
    blocks.close();
    env.close();
}

From source file:axiom.scripting.rhino.LuceneQueryDispatcher.java

License:Open Source License

public ArrayList getVersionFields(Object obj, Object fields, ArrayList prototypes, IFilter filter,
        Object options) throws Exception {
    String id = null;/*  w  w w.ja va  2  s . c  o m*/
    if (obj instanceof String) {
        id = (String) obj;
    } else if (obj instanceof INode) {
        id = ((INode) obj).getID();
    } else if (obj instanceof Scriptable) {
        id = ScriptRuntime.toString(obj);
    } else {
        id = obj.toString();
    }

    Scriptable idfilter = Context.getCurrentContext().newObject(this.core.getScope());
    idfilter.put(LuceneManager.ID, idfilter, id);
    IFilter newFilter = AndFilterObject.filterObjCtor(null, new Object[] { filter, idfilter }, null, false);

    SortObject sort = getSortObject((Scriptable) options);
    ArrayList opaths = getPaths((Scriptable) options);
    int _layer = getLayer((Scriptable) options);
    RequestEvaluator reqeval = this.app.getCurrentRequestEvaluator();
    _layer = (_layer == -1) ? (reqeval != null) ? reqeval.getLayer() : DbKey.LIVE_LAYER : _layer;
    int maxResults = getMaxResults((Scriptable) options);

    IndexSearcher searcher = new IndexSearcher(this.lmgr.getDirectory(), true);

    Object hits = this.luceneHits(prototypes, newFilter, sort, maxResults, opaths, searcher, null, _layer);

    ArrayList<Scriptable> versions = new ArrayList<Scriptable>();
    if (hits != null) {
        int hitslength = hits instanceof Hits ? ((Hits) hits).length() : ((TopDocs) hits).scoreDocs.length;
        if (hitslength > 0) {
            if (maxResults < 0) {
                maxResults = hitslength;
            }
        }
        for (int i = 0, count = 0; i < hitslength && count < maxResults; i++) {
            Document doc = hits instanceof Hits ? ((Hits) hits).doc(i)
                    : searcher.doc(((TopDocs) hits).scoreDocs[i].doc);
            if (doc != null) {
                ArrayList<String> _fields = new ArrayList<String>();
                if (fields instanceof String) {
                    _fields.add((String) fields);
                } else if (fields instanceof Scriptable) {
                    String className = ((Scriptable) fields).getClassName();
                    if (className.equals("String")) {
                        _fields.add(fields.toString());
                    } else if (className.equals("Array")) {
                        Scriptable arr = (Scriptable) fields;
                        final int arrlen = arr.getIds().length;
                        for (int j = 0; j < arrlen; j++) {
                            _fields.add(arr.get(j, arr).toString());
                        }
                    } else {
                        _fields.add(fields.toString());
                    }
                }

                Scriptable version = Context.getCurrentContext().newObject(this.core.getScope());
                for (int j = 0; j < _fields.size(); j++) {
                    String field = _fields.get(j);
                    Object value = doc.get(field) != null ? doc.get(field) : Undefined.instance;
                    version.put(field, version, value);
                }
                count++;
                versions.add(version);
            }
        }
    }

    return versions;
}