src/main/java/com/bah/lucene/buffer/ReusedBufferedIndexInput.java
protected final int flushBuffer(IndexOutput out, long numBytes) throws IOException {
    int toCopy = bufferLength - bufferPosition;
    if (toCopy > numBytes) {
      toCopy = (int) numBytes;
    }
    if (toCopy > 0) {
      out.writeBytes(buffer, bufferPosition, toCopy);
      bufferPosition += toCopy;
    }
    return toCopy;
  }
protected final int flushBuffer(IndexOutput out, long numBytes) throws IOException {
    int toCopy = bufferLength - bufferPosition;
    if (toCopy > numBytes) {
      toCopy = (int) numBytes;
    }
    if (toCopy > 0) {
      out.writeBytes(buffer, bufferPosition, toCopy);
      bufferPosition += toCopy;
    }
    return toCopy;
  }
protected final int flushBuffer ( IndexOutput out , long numBytes ) throws IOException { int toCopy = bufferLength - bufferPosition ; if ( toCopy > numBytes ) { toCopy = ( int ) numBytes ; } if ( toCopy > 0 ) { out . writeBytes ( buffer , bufferPosition , toCopy ) ; bufferPosition += toCopy ; } return toCopy ; }
Flushes the in-memory bufer to the given output, copying at most
<code>numBytes</code>.
<p>
<b>NOTE:</b> this method does not refill the buffer, however it does
advance the buffer position.

@return the number of bytes actually flushed from the in-memory buffer.
Flushes the in - memory bufer to the given output copying at most <code > numBytes< / code > . <p > <b > NOTE : < / b > this method does not refill the buffer however it does advance the buffer position .