Examples of uk.ac.ucl.panda.utility.io.IndexInput.readBytes()

Class uk.ac.ucl.panda.utility.io.IndexInput

Examples of uk.ac.ucl.panda.utility.io.IndexInput.readBytes()

uk.ac.ucl.panda.utility.io.IndexInput.readBytes()
Reads a specified number of bytes into an array at the specified offset. @param b the array to read bytes into @param offset the offset in the array to start storing bytes @param len the number of bytes to read @see IndexOutput#writeBytes(byte[],int)

          // and copy to dest directory
          long len = is.length();
          long readCount = 0;
          while (readCount < len) {
            int toRead = readCount + BufferedIndexOutput.getBufSize() > len ? (int)(len - readCount) : BufferedIndexOutput.getBufSize();
            is.readBytes(buf, 0, toRead);
            os.writeBytes(buf, toRead);
            readCount += toRead;
          }
        } finally {
          // graceful cleanup

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            long remainder = length;
            int chunk = buffer.length;


            while(remainder > 0) {
                int len = (int) Math.min(chunk, remainder);
                is.readBytes(buffer, 0, len);
                os.writeBytes(buffer, len);
                remainder -= len;
                if (checkAbort != null)
                  // Roughly every 2 MB we will check if
                  // it's time to abort

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          // read and write with a small buffer, which is more effectiv than reading byte by byte
          byte[] buffer = new byte[1024];
          int chunk = buffer.length;
          while(len > 0) {
            final int bufLen = (int) Math.min(chunk, len);
            ii.readBytes(buffer, 0, bufLen);
            f.write(buffer, 0, bufLen);
            len -= bufLen;
          }


          f.close();

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        IndexInput localFieldsStream = getFieldStream();
        //Throw this IO Exception since IndexREader.document does so anyway, so probably not that big of a change for people
        //since they are already handling this exception when getting the document
        try {
          localFieldsStream.seek(pointer);
          localFieldsStream.readBytes(b, 0, b.length);
          if (isCompressed == true) {
            fieldsData = uncompress(b);
          } else {
            fieldsData = b;
          }

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        IndexInput localFieldsStream = getFieldStream();
        try {
          localFieldsStream.seek(pointer);
          if (isCompressed) {
            final byte[] b = new byte[toRead];
            localFieldsStream.readBytes(b, 0, b.length);
            fieldsData = new String(uncompress(b), "UTF-8");
          } else {
            //read in chars b/c we already know the length we need to read
            char[] chars = new char[toRead];
            localFieldsStream.readChars(chars, 0, toRead);

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        normStream = singleNormStream;
      } else {
        normStream = norm.in;
      }
      normStream.seek(norm.normSeek);
      normStream.readBytes(bytes, offset, maxDoc());
    }
  }




  private void openNorms(Directory cfsDir, int readBufferSize) throws IOException {

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