Example usage for java.util.concurrent ConcurrentSkipListMap lowerEntry

Introduction

In this page you can find the example usage for java.util.concurrent ConcurrentSkipListMap lowerEntry.

Prototype

public Map.Entry<K, V> lowerEntry(K key) 

Source Link

Document

Returns a key-value mapping associated with the greatest key strictly less than the given key, or null if there is no such key.

Usage

From source file:com.palantir.atlasdb.keyvalue.impl.InMemoryKeyValueService.java

@Override
public Map<Cell, Value> get(String tableName, Map<Cell, Long> timestampByCell) {
    ConcurrentSkipListMap<Key, byte[]> table = getTableMap(tableName).entries;
    Map<Cell, Value> result = Maps.newHashMap();
    for (Map.Entry<Cell, Long> e : timestampByCell.entrySet()) {
        Cell cell = e.getKey();/* ww  w  .j ava  2  s  .c o m*/
        Entry<Key, byte[]> lastEntry = table.lowerEntry(new Key(cell, e.getValue()));
        if (lastEntry != null) {
            Key key = lastEntry.getKey();
            if (key.matchesCell(cell)) {
                long ts = lastEntry.getKey().ts;
                byte[] value = lastEntry.getValue();
                result.put(cell, Value.create(value, ts));
            }
        }
    }
    return result;
}

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