java.util.concurrent.ConcurrentSkipListMap.subMap()方法的使用及代码示例

x33g5p2x  于2022-01-18 转载在 其他  
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本文整理了Java中java.util.concurrent.ConcurrentSkipListMap.subMap()方法的一些代码示例,展示了ConcurrentSkipListMap.subMap()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。ConcurrentSkipListMap.subMap()方法的具体详情如下:
包路径:java.util.concurrent.ConcurrentSkipListMap
类名称:ConcurrentSkipListMap
方法名:subMap

ConcurrentSkipListMap.subMap介绍

暂无

代码示例

代码示例来源:origin: robovm/robovm

/**
 * @throws ClassCastException {@inheritDoc}
 * @throws NullPointerException if {@code fromKey} or {@code toKey} is null
 * @throws IllegalArgumentException {@inheritDoc}
 */
public ConcurrentNavigableMap<K,V> subMap(K fromKey, K toKey) {
  return subMap(fromKey, true, toKey, false);
}

代码示例来源:origin: apache/geode

@Override
public CloseableIterator<Entry> iterator(Object start, boolean startInclusive, Object end,
  boolean endInclusive) {
 return new IterImpl(map.subMap(start, startInclusive, end, endInclusive).entrySet().iterator());
}

代码示例来源:origin: apache/geode

@Override
public CloseableIterator<Entry> iterator(Object start, boolean startInclusive) {
 // TODO Auto-generated method stub
 return new IterImpl(map.subMap(start, startInclusive).entrySet().iterator());
}

代码示例来源:origin: apache/geode

@Override
public CloseableIterator<CachedDeserializable> keyIterator(Object start, boolean startInclusive,
  Object end, boolean endInclusive) {
 return new ItrAdapter(map.subMap(start, startInclusive, end, endInclusive).keySet().iterator());
}

代码示例来源:origin: apache/geode

@Override
public CloseableIterator<CachedDeserializable> keyIterator(Object start, boolean startInclusive) {
 return new ItrAdapter(map.subMap(start, startInclusive).keySet().iterator());
}

代码示例来源:origin: apache/geode

@Override
public long size(Object start, Object end) {
 byte[] startBytes = ByteComparator.MIN_BYTES;
 byte[] endBytes = ByteComparator.MAX_BYTES;
 return map.subMap(new Pair(start, startBytes), new Pair(end, endBytes)).size();
}

代码示例来源:origin: apache/geode

@Override
public CloseableIterator<IndexEntry> get(Object indexKey) {
 return new Itr(map.subMap(new Pair(indexKey, ByteComparator.MIN_BYTES), true,
   new Pair(indexKey, ByteComparator.MAX_BYTES), true).entrySet().iterator());
}

代码示例来源:origin: apache/geode

@Override
public CloseableIterator<CachedDeserializable> getKey(Object indexKey) {
 return new KeyItr(map.subMap(new Pair(indexKey, ByteComparator.MIN_BYTES), true,
   new Pair(indexKey, ByteComparator.MAX_BYTES), true).entrySet().iterator());
}

代码示例来源:origin: apache/geode

@Override
public CloseableIterator<CachedDeserializable> keyIterator(Object start, boolean startInclusive,
  Object end, boolean endInclusive) {
 byte[] startBytes = startInclusive ? ByteComparator.MIN_BYTES : ByteComparator.MAX_BYTES;
 byte[] endBytes = endInclusive ? ByteComparator.MAX_BYTES : ByteComparator.MIN_BYTES;
 return new KeyItr(map
   .subMap(new Pair(start, startBytes), startInclusive, new Pair(end, endBytes), endInclusive)
   .entrySet().iterator());
}

代码示例来源:origin: apache/geode

@Override
public CloseableIterator<IndexEntry> iterator(Object start, boolean startInclusive, Object end,
  boolean endInclusive) {
 byte[] startBytes = startInclusive ? ByteComparator.MIN_BYTES : ByteComparator.MAX_BYTES;
 byte[] endBytes = endInclusive ? ByteComparator.MAX_BYTES : ByteComparator.MIN_BYTES;
 return new Itr(map
   .subMap(new Pair(start, startBytes), startInclusive, new Pair(end, endBytes), endInclusive)
   .entrySet().iterator());
}

代码示例来源:origin: apache/hive

Iterator<Map.Entry<Long, LlapDataBuffer>> matches = cache.subMap(
  absOffset, currentNotCached.getEnd() + baseOffset)
  .entrySet().iterator();

代码示例来源:origin: io.dropwizard.metrics/metrics-core

private void trim() {
    final long now = getTick();
    final long windowStart = now - window;
    final long windowEnd = now + CLEAR_BUFFER;
    if (windowStart < windowEnd) {
      measurements.headMap(windowStart).clear();
      measurements.tailMap(windowEnd).clear();
    } else {
      measurements.subMap(windowEnd, windowStart).clear();
    }
  }
}

代码示例来源:origin: tjake/Solandra

public ConcurrentNavigableMap<Term, LucandraTermInfo[]> skipTo(Term skip) throws IOException
{
  Pair<Term, Term> range = null;
  int bufferSize = termList.isEmpty() ? 1 : 3;
  // verify we've buffered sufficiently
  Map.Entry<Term, Pair<Term, Term>> tailEntry = termQueryBoundries.ceilingEntry(skip);
  boolean needsBuffering = true;
  if (tailEntry != null)
  {
    range = tailEntry.getValue();           
    
    //skip term must be within a buffered range avoid rebuffering
    if (skip.compareTo(range.left) >= 0 && (!range.right.equals(emptyTerm) && skip.compareTo(range.right) < 0))
    {                
      needsBuffering = false;
    }
  }
  ConcurrentNavigableMap<Term, LucandraTermInfo[]> subList = emptyMap;
  if (needsBuffering)
  {
    range = bufferTerms(skip, bufferSize);
  }
  //logger.info(Thread.currentThread().getName()+" rebuffered "+needsBuffering+" "+range);
  
  if (skip.compareTo(range.left) >= 0 && (!range.right.equals(emptyTerm)) && skip.compareTo(range.right) <= 0)
  {
    subList = termList.subMap(skip, true, range.right, true);
  }
  return subList;
}

代码示例来源:origin: palantir/atlasdb

@Override
public Multimap<Cell, Long> getAllTimestamps(TableReference tableRef, Set<Cell> cells, long ts) {
  Multimap<Cell, Long> multimap = HashMultimap.create();
  ConcurrentSkipListMap<Key, byte[]> table = getTableMap(tableRef).entries;
  for (Cell key : cells) {
    for (Key entry : table.subMap(new Key(key, Long.MIN_VALUE), new Key(key, ts)).keySet()) {
      multimap.put(key, entry.ts);
    }
  }
  return multimap;
}

代码示例来源:origin: apache/accumulo

@VisibleForTesting
protected void updateCache(KeyExtent e) {
 Text prevRow = e.getPrevEndRow() == null ? new Text() : e.getPrevEndRow();
 Text endRow = e.getEndRow() == null ? MAX : e.getEndRow();
 extents.subMap(prevRow, e.getPrevEndRow() == null, endRow, true).clear();
 extents.put(endRow, e);
}

代码示例来源:origin: palantir/atlasdb

@Override
@SuppressWarnings({"CheckReturnValue"}) // Consume all remaining values of iterator.
public Map<Cell, Value> getRows(TableReference tableRef, Iterable<byte[]> rows,
                ColumnSelection columnSelection, long timestamp) {
  Map<Cell, Value> result = Maps.newHashMap();
  ConcurrentSkipListMap<Key, byte[]> table = getTableMap(tableRef).entries;
  for (byte[] row : rows) {
    Cell rowBegin = Cells.createSmallestCellForRow(row);
    Cell rowEnd = Cells.createLargestCellForRow(row);
    PeekingIterator<Entry<Key, byte[]>> entries = Iterators.peekingIterator(table.subMap(
        new Key(rowBegin, Long.MIN_VALUE), new Key(rowEnd, timestamp)).entrySet().iterator());
    while (entries.hasNext()) {
      Entry<Key, byte[]> entry = entries.peek();
      Key key = entry.getKey();
      Iterator<Entry<Key, byte[]>> cellIter = takeCell(entries, key);
      if (columnSelection.contains(key.col)) {
        getLatestVersionOfCell(row, key, cellIter, timestamp, result);
      }
      Iterators.size(cellIter);
    }
  }
  return result;
}

代码示例来源:origin: palantir/atlasdb

private RowColumnRangeIterator getColumnRangeForSingleRow(ConcurrentSkipListMap<Key, byte[]> table,
                             byte[] row,
                             ColumnRangeSelection columnRangeSelection,
                             long timestamp) {
  Cell rowBegin;
  if (columnRangeSelection.getStartCol().length > 0) {
    rowBegin = Cell.create(row, columnRangeSelection.getStartCol());
  } else {
    rowBegin = Cells.createSmallestCellForRow(row);
  }
  // Inclusive last cell.
  Cell rowEnd;
  if (columnRangeSelection.getEndCol().length > 0) {
    rowEnd = Cell.create(row, RangeRequests.previousLexicographicName(columnRangeSelection.getEndCol()));
  } else {
    rowEnd = Cells.createLargestCellForRow(row);
  }
  PeekingIterator<Entry<Key, byte[]>> entries = Iterators.peekingIterator(table.subMap(
      new Key(rowBegin, Long.MIN_VALUE), new Key(rowEnd, timestamp)).entrySet().iterator());
  Map<Cell, Value> rowResults = new LinkedHashMap<>();
  while (entries.hasNext()) {
    Entry<Key, byte[]> entry = entries.peek();
    Key key = entry.getKey();
    Iterator<Entry<Key, byte[]>> cellIter = takeCell(entries, key);
    getLatestVersionOfCell(row, key, cellIter, timestamp, rowResults);
  }
  return new LocalRowColumnRangeIterator(rowResults.entrySet().iterator());
}

代码示例来源:origin: MobiVM/robovm

/**
 * @throws ClassCastException {@inheritDoc}
 * @throws NullPointerException if {@code fromKey} or {@code toKey} is null
 * @throws IllegalArgumentException {@inheritDoc}
 */
public ConcurrentNavigableMap<K,V> subMap(K fromKey, K toKey) {
  return subMap(fromKey, true, toKey, false);
}

代码示例来源:origin: cinchapi/concourse

@Override
public ConcurrentNavigableMap<K, V> subMap(K fromKey, boolean fromInclusive,
    K toKey, boolean toInclusive) {
  long[] stamps = grabAllSegmentWriteLocks();
  try {
    sort();
    return sorted.subMap(fromKey, fromInclusive, toKey, toInclusive);
  }
  finally {
    releaseSegmentLocks(stamps);
  }
}

代码示例来源:origin: apache/samza

@Override
public KeyValueIterator<K, V> range(K from, K to) {
 ConcurrentNavigableMap<byte[], byte[]> values = map.subMap(keySerde.toBytes(from), keySerde.toBytes(to));
 return new InMemoryIterator(values.entrySet().iterator(), keySerde, valSerde);
}

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