How to use

removeRange

method

in

org.apache.bookkeeper.mledger.util.RangeCache

@Override
public void invalidateEntries(final PositionImpl lastPosition) {
  final PositionImpl firstPosition = PositionImpl.get(-1, 0);
  Pair<Integer, Long> removed = entries.removeRange(firstPosition, lastPosition, true);
  int entriesRemoved = removed.getLeft();
  long sizeRemoved = removed.getRight();
  if (log.isDebugEnabled()) {
    log.debug("[{}] Invalidated entries up to {} - Entries removed: {} - Size removed: {}", ml.getName(),
        lastPosition, entriesRemoved, sizeRemoved);
  }
  manager.entriesRemoved(sizeRemoved);
}

@Override
public void invalidateAllEntries(long ledgerId) {
  final PositionImpl firstPosition = PositionImpl.get(ledgerId, 0);
  final PositionImpl lastPosition = PositionImpl.get(ledgerId + 1, 0);
  Pair<Integer, Long> removed = entries.removeRange(firstPosition, lastPosition, false);
  int entriesRemoved = removed.getLeft();
  long sizeRemoved = removed.getRight();
  if (log.isDebugEnabled()) {
    log.debug("[{}] Invalidated all entries on ledger {} - Entries removed: {} - Size removed: {}",
        ml.getName(), ledgerId, entriesRemoved, sizeRemoved);
  }
  manager.entriesRemoved(sizeRemoved);
}

res = cache.removeRange(10, 20, false);
assertEquals((int) res.getLeft(), 10);
assertEquals((long) res.getRight(), 10);

assertEquals(cache.getNumberOfEntries(), 5);
cache.removeRange(1, 5, true);
assertEquals(cache.getSize(), 3);
assertEquals(cache.getNumberOfEntries(), 3);
cache.removeRange(2, 8, false);
assertEquals(cache.getSize(), 3);
assertEquals(cache.getNumberOfEntries(), 3);
cache.removeRange(0, 100, false);
assertEquals(cache.getSize(), 0);
assertEquals(cache.getNumberOfEntries(), 0);
cache.removeRange(0, 100, false);
assertEquals(cache.getSize(), 0);
assertEquals(cache.getNumberOfEntries(), 0);

@Override
public void invalidateEntries(final PositionImpl lastPosition) {
  final PositionImpl firstPosition = PositionImpl.get(-1, 0);
  Pair<Integer, Long> removed = entries.removeRange(firstPosition, lastPosition, true);
  int entriesRemoved = removed.getLeft();
  long sizeRemoved = removed.getRight();
  if (log.isDebugEnabled()) {
    log.debug("[{}] Invalidated entries up to {} - Entries removed: {} - Size removed: {}", ml.getName(),
        lastPosition, entriesRemoved, sizeRemoved);
  }
  manager.entriesRemoved(sizeRemoved);
}

@Override
public void invalidateEntries(final PositionImpl lastPosition) {
  final PositionImpl firstPosition = PositionImpl.get(-1, 0);
  Pair<Integer, Long> removed = entries.removeRange(firstPosition, lastPosition, true);
  int entriesRemoved = removed.first;
  long sizeRemoved = removed.second;
  if (log.isDebugEnabled()) {
    log.debug("[{}] Invalidated entries up to {} - Entries removed: {} - Size removed: {}", ml.getName(),
        lastPosition, entriesRemoved, sizeRemoved);
  }
  manager.entriesRemoved(sizeRemoved);
}

@Override
public void invalidateAllEntries(long ledgerId) {
  final PositionImpl firstPosition = PositionImpl.get(ledgerId, 0);
  final PositionImpl lastPosition = PositionImpl.get(ledgerId + 1, 0);
  Pair<Integer, Long> removed = entries.removeRange(firstPosition, lastPosition, false);
  int entriesRemoved = removed.getLeft();
  long sizeRemoved = removed.getRight();
  if (log.isDebugEnabled()) {
    log.debug("[{}] Invalidated all entries on ledger {} - Entries removed: {} - Size removed: {}",
        ml.getName(), ledgerId, entriesRemoved, sizeRemoved);
  }
  manager.entriesRemoved(sizeRemoved);
}

@Override
public void invalidateAllEntries(long ledgerId) {
  final PositionImpl firstPosition = PositionImpl.get(ledgerId, 0);
  final PositionImpl lastPosition = PositionImpl.get(ledgerId + 1, 0);
  Pair<Integer, Long> removed = entries.removeRange(firstPosition, lastPosition, false);
  int entriesRemoved = removed.first;
  long sizeRemoved = removed.second;
  if (log.isDebugEnabled()) {
    log.debug("[{}] Invalidated all entries on ledger {} - Entries removed: {} - Size removed: {}",
        ml.getName(), ledgerId, entriesRemoved, sizeRemoved);
  }
  manager.entriesRemoved(sizeRemoved);
}