Example usage for org.apache.lucene.util BytesRef EMPTY

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In this page you can find the example usage for org.apache.lucene.util BytesRef EMPTY_BYTES.

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null EMPTY_BYTES

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An empty byte array for convenience

Usage

From source file:com.qwazr.search.index.BytesRefUtils.java

License:Apache License

final static public BytesRef from(final String value) {
    if (value == null)
        return new BytesRef(BytesRef.EMPTY_BYTES);
    return new BytesRef(value);
}

From source file:com.qwazr.search.index.BytesRefUtils.java

License:Apache License

final static public BytesRef from(final Integer value) {
    if (value == null)
        return new BytesRef(BytesRef.EMPTY_BYTES);
    final BytesRefBuilder builder = new BytesRefBuilder();
    NumericUtils.intToPrefixCoded(value, 0, builder);
    return builder.toBytesRef();
}

From source file:com.qwazr.search.index.BytesRefUtils.java

License:Apache License

final static public BytesRef from(final Long value) {
    if (value == null)
        return new BytesRef(BytesRef.EMPTY_BYTES);
    final BytesRefBuilder builder = new BytesRefBuilder();
    NumericUtils.longToPrefixCoded(value, 0, builder);
    return builder.toBytesRef();
}

From source file:com.qwazr.search.index.BytesRefUtils.java

License:Apache License

final static public BytesRef from(final Float value) {
    if (value == null)
        return new BytesRef(BytesRef.EMPTY_BYTES);
    final BytesRefBuilder builder = new BytesRefBuilder();
    NumericUtils.intToPrefixCoded(NumericUtils.floatToSortableInt(value), 0, builder);
    return builder.toBytesRef();
}

From source file:com.qwazr.search.index.BytesRefUtils.java

License:Apache License

final static public BytesRef from(final Double value) {
    if (value == null)
        return new BytesRef(BytesRef.EMPTY_BYTES);
    final BytesRefBuilder builder = new BytesRefBuilder();
    NumericUtils.longToPrefixCoded(NumericUtils.doubleToSortableLong(value), 0, builder);
    return builder.toBytesRef();
}

From source file:com.qwazr.search.index.BytesRefUtils.java

License:Apache License

final static public BytesRef fromAny(final Object value) {
    if (value == null)
        return new BytesRef(BytesRef.EMPTY_BYTES);
    if (value instanceof String)
        return from((String) value);
    if (value instanceof Integer)
        return from((Integer) value);
    if (value instanceof Float)
        return from((Float) value);
    if (value instanceof Long)
        return from((String) value);
    if (value instanceof Double)
        return from((String) value);
    if (value instanceof BytesRef)
        return (BytesRef) value;
    return new BytesRef(value.toString());
}

From source file:cz.muni.fi.mias.PayloadSimilarity.java

License:Apache License

@Override
public float scorePayload(int docId, int start, int end, BytesRef byteRef) {
    float score = 1.0F;
    if (byteRef.bytes != BytesRef.EMPTY_BYTES) {
        score = PayloadHelper.decodeFloatFromShortBytes(byteRef.bytes);
    }//from   w w w  .  jav a 2 s .c o  m
    return score;
}

From source file:edu.upenn.library.solrplugins.CaseInsensitiveSortingTextField.java

License:Apache License

@Override
public BytesRef normalizeQueryTarget(String val, boolean strict, String fieldName, boolean appendExtraDelim)
        throws IOException {
    TokenStream ts = getQueryAnalyzer().tokenStream(fieldName, val);
    try {/*  w  w w  .  j a v  a 2  s.c  o m*/
        ts.reset();
        CharTermAttribute termAtt = ts.getAttribute(CharTermAttribute.class);
        TypeAttribute typeAtt = ts.getAttribute(TypeAttribute.class);
        String matchType = strict ? INDEXED_TOKEN_TYPE : NORMALIZED_TOKEN_TYPE;
        while (ts.incrementToken()) {
            if (matchType.equals(typeAtt.type())) {
                BytesRefBuilder ret = new BytesRefBuilder();
                ret.copyChars(termAtt.toString());
                if (!strict || appendExtraDelim) {
                    ret.append(delimBytes, 0, delimBytes.length);
                }
                return ret.get();
            }
        }
        return new BytesRef(BytesRef.EMPTY_BYTES);
    } finally {
        ts.close();
    }
}

From source file:org.elasticsearch.benchmark.transport.BenchmarkNettyLargeMessages.java

License:Apache License

public static void main(String[] args) throws InterruptedException {
    final ByteSizeValue payloadSize = new ByteSizeValue(10, ByteSizeUnit.MB);
    final int NUMBER_OF_ITERATIONS = 100000;
    final int NUMBER_OF_CLIENTS = 5;
    final byte[] payload = new byte[(int) payloadSize.bytes()];

    Settings settings = ImmutableSettings.settingsBuilder().build();

    NetworkService networkService = new NetworkService(settings);

    final ThreadPool threadPool = new ThreadPool();
    final TransportService transportServiceServer = new TransportService(
            new NettyTransport(settings, threadPool, networkService, Version.CURRENT), threadPool).start();
    final TransportService transportServiceClient = new TransportService(
            new NettyTransport(settings, threadPool, networkService, Version.CURRENT), threadPool).start();

    final DiscoveryNode bigNode = new DiscoveryNode("big", new InetSocketTransportAddress("localhost", 9300),
            Version.CURRENT);//from w w w .ja v  a 2 s. c  o m
    //        final DiscoveryNode smallNode = new DiscoveryNode("small", new InetSocketTransportAddress("localhost", 9300));
    final DiscoveryNode smallNode = bigNode;

    transportServiceClient.connectToNode(bigNode);
    transportServiceClient.connectToNode(smallNode);

    transportServiceServer.registerHandler("benchmark",
            new BaseTransportRequestHandler<BenchmarkMessageRequest>() {
                @Override
                public BenchmarkMessageRequest newInstance() {
                    return new BenchmarkMessageRequest();
                }

                @Override
                public String executor() {
                    return ThreadPool.Names.GENERIC;
                }

                @Override
                public void messageReceived(BenchmarkMessageRequest request, TransportChannel channel)
                        throws Exception {
                    channel.sendResponse(new BenchmarkMessageResponse(request));
                }
            });

    final CountDownLatch latch = new CountDownLatch(NUMBER_OF_CLIENTS);
    for (int i = 0; i < NUMBER_OF_CLIENTS; i++) {
        new Thread(new Runnable() {
            @Override
            public void run() {
                for (int i = 0; i < NUMBER_OF_ITERATIONS; i++) {
                    BenchmarkMessageRequest message = new BenchmarkMessageRequest(1, payload);
                    transportServiceClient.submitRequest(bigNode, "benchmark", message,
                            options().withType(TransportRequestOptions.Type.BULK),
                            new BaseTransportResponseHandler<BenchmarkMessageResponse>() {
                                @Override
                                public BenchmarkMessageResponse newInstance() {
                                    return new BenchmarkMessageResponse();
                                }

                                @Override
                                public String executor() {
                                    return ThreadPool.Names.SAME;
                                }

                                @Override
                                public void handleResponse(BenchmarkMessageResponse response) {
                                }

                                @Override
                                public void handleException(TransportException exp) {
                                    exp.printStackTrace();
                                }
                            }).txGet();
                }
                latch.countDown();
            }
        }).start();
    }

    new Thread(new Runnable() {
        @Override
        public void run() {
            for (int i = 0; i < 1; i++) {
                BenchmarkMessageRequest message = new BenchmarkMessageRequest(2, BytesRef.EMPTY_BYTES);
                long start = System.currentTimeMillis();
                transportServiceClient.submitRequest(smallNode, "benchmark", message,
                        options().withType(TransportRequestOptions.Type.STATE),
                        new BaseTransportResponseHandler<BenchmarkMessageResponse>() {
                            @Override
                            public BenchmarkMessageResponse newInstance() {
                                return new BenchmarkMessageResponse();
                            }

                            @Override
                            public String executor() {
                                return ThreadPool.Names.SAME;
                            }

                            @Override
                            public void handleResponse(BenchmarkMessageResponse response) {
                            }

                            @Override
                            public void handleException(TransportException exp) {
                                exp.printStackTrace();
                            }
                        }).txGet();
                long took = System.currentTimeMillis() - start;
                System.out.println("Took " + took + "ms");
            }
        }
    }).start();

    latch.await();
}

From source file:org.elasticsearch.common.bytes.AbstractBytesReferenceTestCase.java

License:Apache License

public void testHashCode() throws IOException {
    // empty content must have hash 1 (JDK compat)
    BytesReference pbr = newBytesReference(0);
    assertEquals(Arrays.hashCode(BytesRef.EMPTY_BYTES), pbr.hashCode());

    // test with content
    pbr = newBytesReference(randomIntBetween(0, PAGE_SIZE * randomIntBetween(2, 5)));
    int jdkHash = Arrays.hashCode(BytesReference.toBytes(pbr));
    int pbrHash = pbr.hashCode();
    assertEquals(jdkHash, pbrHash);/*from ww w.j  a  v a 2 s  . com*/

    // test hashes of slices
    int sliceFrom = randomIntBetween(0, pbr.length());
    int sliceLength = randomIntBetween(0, pbr.length() - sliceFrom);
    BytesReference slice = pbr.slice(sliceFrom, sliceLength);
    int sliceJdkHash = Arrays.hashCode(BytesReference.toBytes(slice));
    int sliceHash = slice.hashCode();
    assertEquals(sliceJdkHash, sliceHash);
}

Example usage for org.apache.lucene.util BytesRef EMPTY_BYTES

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