Examples of UnsafeByteArrayInputStream

com.alibaba.dubbo.common.io.UnsafeByteArrayInputStream
UnsafeByteArrayInputStrem. @author qian.lei
de.undercouch.bson4jackson.io.UnsafeByteArrayInputStream
An input stream that serves the content of an array. Compared to {@link java.io.ByteArrayInputStream} this class is not thread-safe. @author Michel Kraemer
httl.util.UnsafeByteArrayInputStream
UnsafeByteArrayInputStrem. @author Liang Fei (liangfei0201 AT gmail DOT com)
jetbrick.template.utils.UnsafeByteArrayInputStream
This class provides an API compatible with ByteArrayInputStream, but with no guarantee of synchronization. Instances of UnsafeByteArrayInputStream are not safe for use by multiple threads. If such synchronization is required then it is recommended that ByteArrayInputStream be used.
org.apache.giraph.utils.UnsafeByteArrayInputStream
Byte array output stream that uses Unsafe methods to serialize/deserialize much faster
org.apache.lucene.util.UnsafeByteArrayInputStream
This class, much like {@link ByteArrayInputStream} uses a given buffer as asource of an InputStream. Unlike ByteArrayInputStream, this class does not "waste" memory by creating a local copy of the given buffer, but rather uses the given buffer as is. Hence the name Unsafe. While using this class one should remember that the byte[] buffer memory is shared and might be changed from outside. For reuse-ability, a call for {@link #reInit(byte[])} can be called, andinitialize the stream with a new buffer. @lucene.experimental

Examples of org.apache.giraph.utils.UnsafeByteArrayInputStream

  @Override
  public V getValue() {
    if (cachedValue != null) {
      return cachedValue; // Return always same instance
    }
    DataInput dis = new UnsafeByteArrayInputStream(valueBytes);
    cachedValue = getConf().createVertexValue();
    try {
      cachedValue.readFields(dis);
    } catch (IOException ioe) {
      throw new RuntimeException("Could not deserialize vertex value", ioe);

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Examples of org.apache.giraph.utils.UnsafeByteArrayInputStream

    assertEquals(0, partition.getEdgeCount());
    assertEquals(7, partition.getVertexCount());
    UnsafeByteArrayOutputStream outputStream = new
        UnsafeByteArrayOutputStream();
    partition.write(outputStream);
    UnsafeByteArrayInputStream inputStream = new UnsafeByteArrayInputStream(
        outputStream.getByteArray(), 0, outputStream.getPos());
    Partition<IntWritable, IntWritable, NullWritable> deserializatedPartition =
        conf.createPartition(-1, context);
    deserializatedPartition.readFields(inputStream);

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Examples of org.apache.giraph.utils.UnsafeByteArrayInputStream


    long deserializeNanosStart;
    long deserializeNanos = 0;
    for (int i = 0; i < REPS; ++i) {
      deserializeNanosStart = SystemTime.get().getNanoseconds();
      UnsafeByteArrayInputStream inputStream = new
          UnsafeByteArrayInputStream(
          outputStream.getByteArray(), 0, outputStream.getPos());
      WritableUtils.reinitializeVertexFromDataInput(
          inputStream, readVertex, readVertex.getConf());
      deserializeNanos += Times.getNanosecondsSince(SystemTime.get(),

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Examples of org.apache.giraph.utils.UnsafeByteArrayInputStream

   * @return ExtendedDataInput object
   */
  public ExtendedDataInput createExtendedDataInput(
      byte[] buf, int off, int length) {
    if (useUnsafeSerialization) {
      return new UnsafeByteArrayInputStream(buf, off, length);
    } else {
      return new ExtendedByteArrayDataInput(buf, off, length);
    }
  }

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Examples of org.apache.lucene.util.UnsafeByteArrayInputStream

    byte[] buffer = new byte[length];
    for (int i = 0; i < length; ++i) {
      buffer[i] = (byte) i;
    }
    byte[] result = new byte[buffer.length];
    UnsafeByteArrayInputStream ubais = new UnsafeByteArrayInputStream(buffer);
    
    int index = 0;
    int by = ubais.read();
    while (by >= 0) {
      result[index++] = (byte) (by);
      by = ubais.read();
    }
    
    assertEquals(length, index);
    assertTrue(Arrays.equals(buffer, result));
  }

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Examples of org.apache.lucene.util.UnsafeByteArrayInputStream

    for (int i = 0; i < length; ++i) {
      buffer[i] = (byte) i;
    }
    int startPos = 5;
    byte[] result = new byte[buffer.length];
    UnsafeByteArrayInputStream ubais = new UnsafeByteArrayInputStream(buffer, startPos, length);
    
    int index = 0;
    int by = ubais.read();
    while (by >= 0) {
      result[index++] = (byte) (by);
      by = ubais.read();
    }
    
    assertEquals(length - startPos, index);
    for (int i = startPos; i < length; i++) {
      assertEquals(buffer[i], result[i - startPos]);

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Examples of org.apache.lucene.util.UnsafeByteArrayInputStream

    byte[] buffer = new byte[length];
    for (int i = 0; i < length; ++i) {
      buffer[i] = (byte) i;
    }
    byte[] result = new byte[buffer.length];
    UnsafeByteArrayInputStream ubais = new UnsafeByteArrayInputStream(buffer);


    int index = 0;
    int by = ubais.read();
    while (by >= 0) {
      result[index++] = (byte) (by);
      by = ubais.read();
    }


    assertEquals(length, index);
    assertTrue(Arrays.equals(buffer, result));


    int length2 = 50;
    byte[] buffer2 = new byte[length2];
    for (int i = 0; i < length2; ++i) {
      buffer2[i] = (byte) (90 + i);
    }
    byte[] result2 = new byte[buffer2.length];
    ubais.reInit(buffer2);


    int index2 = 0;
    int by2 = ubais.read();
    while (by2 >= 0) {
      result2[index2++] = (byte) (by2);
      by2 = ubais.read();
    }


    assertEquals(length2, index2);
    assertTrue(Arrays.equals(buffer2, result2));
  }

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Examples of org.apache.lucene.util.UnsafeByteArrayInputStream

    assertTrue(Arrays.equals(buffer2, result2));
  }


  @Test
  public void testDefaultCtor() throws Exception {
    UnsafeByteArrayInputStream ubais = new UnsafeByteArrayInputStream();
    assertEquals(0, ubais.available());
    assertEquals(-1, ubais.read());
  }

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Examples of org.apache.lucene.util.UnsafeByteArrayInputStream

  }


  @Test
  public void testMark() throws Exception {
    byte[] bytes = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
    UnsafeByteArrayInputStream ubais = new UnsafeByteArrayInputStream(bytes);
    assertTrue(ubais.markSupported());
    int markIndex = 3;
    // Advance the index
    for (int i = 0; i < markIndex; i++) {
      ubais.read();
    }
    ubais.mark(markIndex);
    for (int i = markIndex; i < bytes.length; i++) {
      ubais.read();
    }
    ubais.reset();
    assertEquals(bytes.length - markIndex, ubais.available());
  }

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Examples of org.apache.lucene.util.UnsafeByteArrayInputStream

  }


  public PayloadIntDecodingIterator(IndexReader indexReader, Term term, IntDecoder decoder,
                                    byte[] buffer) throws IOException {
    pi = new PayloadIterator(indexReader, term, buffer);
    ubais = new UnsafeByteArrayInputStream();
    this.decoder = decoder;
    hashCode = indexReader.hashCode() ^ term.hashCode();
    this.term = term;
    this.indexReader = indexReader;
  }

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