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.bah.lucene.blockcache_v2.CacheIndexOutputTest.java

License:Apache License

@Test
public void test1() throws IOException {
    Random random = new Random(seed);
    RAMDirectory directory = new RAMDirectory();
    IndexOutput output = directory.createOutput("test", IOContext.DEFAULT);

    Cache cache = CacheIndexInputTest.getCache();
    CacheIndexOutput indexOutput = new CacheIndexOutput(null, "test", output, cache);
    indexOutput.writeByte((byte) 1);
    indexOutput.writeByte((byte) 2);
    byte[] b = new byte[16000];
    random.nextBytes(b);//w  w w.  ja v a  2  s  . c o m
    indexOutput.writeBytes(b, 16000);
    indexOutput.close();

    IndexInput input = directory.openInput("test", IOContext.DEFAULT);
    assertEquals(16002, input.length());
    assertEquals(1, input.readByte());
    assertEquals(2, input.readByte());

    byte[] buf = new byte[16000];
    input.readBytes(buf, 0, 16000);
    input.close();
    assertArrayEquals(b, buf);
    directory.close();
}

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From source file:com.bah.lucene.blockcache_v2.CacheIndexOutputTest.java

License:Apache License

@Test
public void test2() throws IOException {
    Cache cache = CacheIndexInputTest.getCache();
    RAMDirectory directory = new RAMDirectory();
    RAMDirectory directory2 = new RAMDirectory();

    Random random = new Random(seed);

    String name = "test2";
    long size = (10 * 1024 * 1024) + 13;

    IndexOutput output = directory.createOutput(name, IOContext.DEFAULT);
    IndexOutput output2 = directory2.createOutput(name, IOContext.DEFAULT);
    CacheIndexOutput cacheIndexOutput = new CacheIndexOutput(null, name, output2, cache);
    CacheIndexInputTest.writeRandomData(size, random, output, cacheIndexOutput);
    output.close();/*from   w w  w .j av  a2 s  .  com*/
    cacheIndexOutput.close();

    IndexInput input = directory.openInput(name, IOContext.DEFAULT);
    IndexInput testInput = directory2.openInput(name, IOContext.DEFAULT);
    CacheIndexInputTest.readRandomData(input, testInput, random, sampleSize, maxBufSize, maxOffset);
    testInput.close();
    input.close();
    directory.close();
    directory2.close();
}

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From source file:com.basistech.lucene.tools.LuceneQueryToolTest.java

License:Apache License

@BeforeClass
public static void oneTimeSetup() throws IOException, ParseException {
    LuceneQueryToolTest.showOutput = false; // for debugging tests
    Directory dir = new RAMDirectory();
    Analyzer analyzer = new StandardAnalyzer();
    IndexWriterConfig config = new IndexWriterConfig(analyzer);
    IndexWriter writer = new IndexWriter(dir, config);
    Document doc = new Document();
    doc.add(new Field("longest-mention", "Bill Clinton", StringField.TYPE_STORED));
    doc.add(new Field("context", "Hillary Clinton Arkansas", TextField.TYPE_NOT_STORED));
    writer.addDocument(doc);/*w  w w . j ava2 s . co  m*/
    doc = new Document();
    doc.add(new Field("longest-mention", "George W. Bush", StringField.TYPE_STORED));
    doc.add(new Field("context", "Texas Laura Bush", TextField.TYPE_NOT_STORED));
    writer.addDocument(doc);
    doc = new Document();
    doc.add(new Field("longest-mention", "George H. W. Bush", StringField.TYPE_STORED));
    doc.add(new Field("context", "Barbara Bush Texas", TextField.TYPE_NOT_STORED));
    writer.addDocument(doc);
    doc = new Document();
    doc.add(new Field("bbb", "foo", StringField.TYPE_STORED));
    doc.add(new Field("bbb", "bar", StringField.TYPE_STORED));
    doc.add(new Field("aaa", "foo", StringField.TYPE_STORED));
    FieldType typeUnindexed = new FieldType(StringField.TYPE_STORED);
    typeUnindexed.setIndexOptions(IndexOptions.NONE);
    doc.add(new Field("zzz", "foo", typeUnindexed));
    writer.addDocument(doc);
    writer.close();
    reader = DirectoryReader.open(dir);
}

---

From source file:com.basistech.lucene.tools.LuceneQueryToolTest.java

License:Apache License

@Test
public void testBinaryField() throws IOException, ParseException {
    Directory dir = new RAMDirectory();
    Analyzer analyzer = new StandardAnalyzer();
    IndexWriterConfig config = new IndexWriterConfig(analyzer);
    IndexWriter writer = new IndexWriter(dir, config);
    Document doc = new Document();
    doc.add(new Field("id", "1", StringField.TYPE_STORED));
    doc.add(new Field("binary-field", "ABC".getBytes(Charsets.UTF_8), StoredField.TYPE));
    writer.addDocument(doc);//w  ww.  j ava 2s  .  c  o  m
    writer.close();
    reader = DirectoryReader.open(dir);

    ByteArrayOutputStream bytes = new ByteArrayOutputStream();
    PrintStream out = new PrintStream(bytes);
    LuceneQueryTool lqt = new LuceneQueryTool(reader, out);
    lqt.run(new String[] { "id:1" });
    String result = Joiner.on('\n').join(getOutput(bytes));
    assertTrue(result.contains("0x414243")); // binary rep of "ABC"
}

---

From source file:com.bizosys.hsearch.dictionary.DictionaryValues.java

License:Apache License

public int load(Set<String> wordDescription, Writer outputWriter, Analyzer analyzer) throws Exception {
    if (null != reader) {
        try {//from   w ww  .j  ava2 s  .  c o m
            reader.close();
            if (null != searcher)
                searcher.close();
        } catch (Exception ex) {
        }
    }

    this.idx = new RAMDirectory();
    IndexWriterConfig indexWriterConfig = new IndexWriterConfig(Version.LUCENE_35, analyzer);
    IndexWriter writer = new IndexWriter(this.idx, indexWriterConfig);

    int linesAdded = 0;
    for (String line : wordDescription) {
        writer.addDocument(createDocument(line));
        linesAdded++;
    }
    if (null != outputWriter)
        outputWriter.append("----------\n</BR>Total  Lines Loaded :  ")
                .append(new Integer(linesAdded).toString());

    writer.close();
    reader = IndexReader.open(this.idx);
    searcher = new IndexSearcher(reader);
    return linesAdded;
}

---

From source file:com.bizosys.hsearch.dictionary.DictionaryValues.java

License:Apache License

private Directory loadFile(String file, Writer outputWriter) throws Exception {
    RAMDirectory idx = new RAMDirectory();

    IndexWriter writer = new IndexWriter(idx,
            new IndexWriterConfig(Version.LUCENE_35, new StandardAnalyzer(Version.LUCENE_35)));

    loadFileAndIndex(file, writer, outputWriter);
    writer.close();// www . j ava  2s.  com
    return idx;
}

---

From source file:com.browseengine.bobo.facets.attribute.AttributesFacetHandlerTest.java

License:Apache License

@Override
protected void setUp() throws Exception {
    directory = new RAMDirectory();
    analyzer = new WhitespaceAnalyzer();
    selectionProperties = new HashMap<String, String>();
    IndexWriter writer = new IndexWriter(directory, analyzer, true, MaxFieldLength.UNLIMITED);

    writer.addDocument(doc("prop1=val1", "prop2=val1", "prop5=val1"));
    writer.addDocument(doc("prop1=val2", "prop3=val1", "prop7=val7"));
    writer.addDocument(doc("prop1=val2", "prop3=val2", "prop3=val3"));
    writer.addDocument(doc("prop1=val1", "prop2=val1"));
    writer.addDocument(doc("prop1=val1", "prop2=val1"));
    writer.addDocument(doc("prop1=val1", "prop2=val1", "prop4=val2", "prop4=val3"));
    writer.commit();//from   ww  w.  jav  a  2 s.  c  o m

    attributesFacetHandler = new AttributesFacetHandler(AttributeHandlerName, AttributeHandlerName, null, null,
            new HashMap<String, String>());
    facetHandlers.add(attributesFacetHandler);
    IndexReader reader = IndexReader.open(directory, true);
    boboReader = BoboIndexReader.getInstance(reader, facetHandlers);
    attributesFacetHandler.loadFacetData(boboReader);
    browser = new BoboBrowser(boboReader);
}

---

From source file:com.browseengine.bobo.facets.attribute.AttributesFacetHandlerTest.java

License:Apache License

private void modifiedSetup() throws CorruptIndexException, LockObtainFailedException, IOException {
    directory = new RAMDirectory();
    analyzer = new WhitespaceAnalyzer();
    IndexWriter writer = new IndexWriter(directory, analyzer, true, MaxFieldLength.UNLIMITED);

    writer.addDocument(doc("prop1=val1", "prop2=val1", "prop5=val1"));
    writer.addDocument(doc("prop1=val2", "prop3=val1", "prop7=val7"));
    writer.addDocument(doc("prop1=val2", "prop3=val2", "prop3=val3"));
    writer.addDocument(doc("prop1=val1", "prop2=val1"));
    writer.addDocument(doc("prop1=val1", "prop2=val1"));
    writer.addDocument(doc("prop1=val1", "prop2=val1", "prop4=val2", "prop4=val3"));
    writer.commit();/*from   w ww . j  a  v  a 2s  .  c om*/

    HashMap<String, String> facetProps = new HashMap<String, String>();
    facetProps.put(AttributesFacetHandler.MAX_FACETS_PER_KEY_PROP_NAME, "1");
    attributesFacetHandler = new AttributesFacetHandler(AttributeHandlerName, AttributeHandlerName, null, null,
            facetProps);
    facetHandlers.add(attributesFacetHandler);
    IndexReader reader = IndexReader.open(directory, true);
    boboReader = BoboIndexReader.getInstance(reader, facetHandlers);
    attributesFacetHandler.loadFacetData(boboReader);
    browser = new BoboBrowser(boboReader);
}

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From source file:com.browseengine.bobo.geosearch.impl.IGeoRecordSerializerTezt.java

License:Apache License

@Before
public void setUp() {
    testFileName = UUID.randomUUID().toString();
    directory = new RAMDirectory();

    geoRecordSerializer = getGeoRecordSerializer();
}

---

From source file:com.browseengine.bobo.geosearch.index.impl.GeoIndexerTest.java

License:Apache License

@Test
public void testIndexAndFlush_multipleThreads() throws InterruptedException, IOException {
    Directory ramDirectory = new RAMDirectory();

    final int docsToAddPerThread = 10;
    final int numThreads = 10;

    final CountDownLatch latch = new CountDownLatch(numThreads);
    for (int i = 0; i < numThreads; i++) {
        Runnable runnable = new Runnable() {
            @Override/* w  ww  . j  ava 2 s.  c o  m*/
            public void run() {
                try {
                    for (int i = 0; i < docsToAddPerThread; i++) {
                        float lattitide = (float) Math.random();
                        float longitude = (float) Math.random();
                        String fieldName = unmappedLocation;

                        GeoCoordinate geoCoordinate = new GeoCoordinate(lattitide, longitude);
                        GeoCoordinateField field = new GeoCoordinateField(fieldName, geoCoordinate);
                        geoIndexerNoMocks.index(i, field);
                    }
                } finally {
                    latch.countDown();
                }
            }
        };

        Thread thread = new Thread(runnable);
        thread.start();
    }

    latch.await(500, TimeUnit.MILLISECONDS);
    assertEquals("not all threads compeleted", 0, latch.getCount());

    geoIndexerNoMocks.flush(ramDirectory, segmentName);

    readAndVerifyGeoIndex(ramDirectory, segmentName, docsToAddPerThread * numThreads);
}

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