How to use

writeRaw

method

in

org.apache.hadoop.hdfs.server.namenode.EditsDoubleBuffer

@Override
public void writeRaw(byte[] bytes, int offset, int length) throws IOException {
 buf.writeRaw(bytes, offset, length);
}

/**
 * Write a transaction to the stream. The serialization format is:
 * <ul>
 *   <li>the opcode (byte)</li>
 *   <li>the transaction id (long)</li>
 *   <li>the actual Writables for the transaction</li>
 * </ul>
 * */
@Override
public void writeRaw(byte[] bytes, int offset, int length) throws IOException {
 doubleBuf.writeRaw(bytes, offset, length);
}

/**
 * Write a transaction to the stream. The serialization format is:
 * <ul>
 *   <li>the opcode (byte)</li>
 *   <li>the transaction id (long)</li>
 *   <li>the actual Writables for the transaction</li>
 * </ul>
 * */
@Override
public void writeRaw(byte[] bytes, int offset, int length) throws IOException {
 doubleBuf.writeRaw(bytes, offset, length);
}

/**
 * Write a transaction to the stream. The serialization format is:
 * <ul>
 *   <li>the opcode (byte)</li>
 *   <li>the transaction id (long)</li>
 *   <li>the actual Writables for the transaction</li>
 * </ul>
 * */
@Override
public void writeRaw(byte[] bytes, int offset, int length) throws IOException {
 doubleBuf.writeRaw(bytes, offset, length);
}

@Override
public void writeRaw(byte[] bytes, int offset, int length) throws IOException {
 buf.writeRaw(bytes, offset, length);
}

@Override
public void writeRaw(byte[] bytes, int offset, int length) throws IOException {
 buf.writeRaw(bytes, offset, length);
}

 @Test
 public void shouldFailToCloseWhenUnflushed() throws IOException {
  EditsDoubleBuffer buf = new EditsDoubleBuffer(1024);
  buf.writeRaw(new byte[1], 0, 1);
  try {
   buf.close();
   fail("Did not fail to close with unflushed data");
  } catch (IOException ioe) {
   if (!ioe.toString().contains("still to be flushed")) {
    throw ioe;
   }
  }
 }
}

buf.writeRaw(data, 0, data.length);
assertEquals("Should count new data correctly",
  data.length, buf.countBufferedBytes());
buf.writeRaw(data, 0, data.length);
assertEquals("Should count new data correctly",
  data.length, buf.countBufferedBytes());