private void populateKV(long nextStartTime, boolean scanSuccessful) { if (!scanSuccessful) { //end of file reached. collect stats and return scanStat.endIteration(0, nextStartTime); return; } prefetchedKey = scan.getKey(); prefetchedValue = scan.getValue(); if (to != null) { // TODO Optimization? Perform int comparison instead of byte[]. Identify // offset of key greater than two. int compare = -1; compare = scan.getReader().getComparator().compare (prefetchedKey.array(), prefetchedKey.arrayOffset(), prefetchedKey.remaining(), to, 0, to.length); if (compare > 0 || (compare == 0 && !toInclusive)) { prefetchedKey = null; prefetchedValue = null; return; } } // account for bytes read and time spent int byteCount = prefetchedKey.remaining() + prefetchedValue.remaining(); scanStat.endIteration(byteCount, nextStartTime); }
private void populateKV(long nextStartTime, boolean scanSuccessful) { if (!scanSuccessful) { //end of file reached. collect stats and return scanStat.endIteration(0, nextStartTime); return; } prefetchedKey = scan.getKey(); prefetchedValue = scan.getValue(); if (to != null) { // TODO Optimization? Perform int comparison instead of byte[]. Identify // offset of key greater than two. int compare = -1; compare = scan.getReader().getComparator().compare (prefetchedKey.array(), prefetchedKey.arrayOffset(), prefetchedKey.remaining(), to, 0, to.length); if (compare > 0 || (compare == 0 && !toInclusive)) { prefetchedKey = null; prefetchedValue = null; return; } } // account for bytes read and time spent int byteCount = prefetchedKey.remaining() + prefetchedValue.remaining(); scanStat.endIteration(byteCount, nextStartTime); }
@Override public ByteBuffer next() { long startNext = sopConfig.getStatistics().getScan().beginIteration(); if (!hasNext()) { throw new NoSuchElementException(); } foundNext = false; key = scan.getKey(); value = scan.getValue(); int len = key.remaining() + value.remaining(); bytes += len; sopConfig.getStatistics().getScan().endIteration(len, startNext); return key; }