Example usage for java.util TreeMap tailMap

Introduction

In this page you can find the example usage for java.util TreeMap tailMap.

Prototype

public SortedMap<K, V> tailMap(K fromKey) 

Source Link

Usage

From source file:org.cloudata.core.client.TabletLocationCache.java

protected TabletInfo findFromCache(String tableName, TreeMap<Row.Key, TabletInfo> cache, Row.Key cacheRowKey,
        Row.Key dataRowKey) {// w  w  w. j a  v a 2s.  c  om
    cacheLock.obtainReadLock();
    try {
        if (cache.containsKey(cacheRowKey)) {
            TabletInfo tabletInfo = cache.get(cacheRowKey);
            if (tabletInfo.belongRowRange(cacheRowKey)) {
                return tabletInfo;
            } else {
                return null;
            }
        }

        SortedMap<Row.Key, TabletInfo> tailMap = cache.tailMap(cacheRowKey);
        if (tailMap.isEmpty()) {
            return null;
        }
        Row.Key tailFirst = tailMap.firstKey();

        TabletInfo tabletInfo = tailMap.get(tailFirst);
        if (tableName.equals(tabletInfo.getTableName()) && tabletInfo.belongRowRange(dataRowKey)) {
            return tabletInfo;
        } else {
            return null;
        }
    } finally {
        cacheLock.releaseReadLock();
    }
}

---

From source file:org.kalypso.model.hydrology.operation.evaporation.AbstractEvaporationCalculator.java

private TupleModelDataSet getDataSet(final ITimeseriesCache humidity, final Calendar ptr, final String type) {
    final TreeMap<Date, TupleModelDataSet[]> valueMap = humidity.getValueMap();

    final Date base = ptr.getTime();

    final SortedMap<Date, TupleModelDataSet[]> headMap = valueMap.headMap(base);
    final SortedMap<Date, TupleModelDataSet[]> tailMap = valueMap.tailMap(base);

    if (!headMap.isEmpty() && DateUtils.isSameDay(headMap.lastKey(), base))
        return getDataSet(headMap.get(headMap.lastKey()), type);
    else if (!tailMap.isEmpty() && DateUtils.isSameDay(tailMap.firstKey(), base))
        return getDataSet(tailMap.get(tailMap.firstKey()), type);

    return null;/*  w ww  .  j a  va  2 s .  c  o  m*/
}

---

• «
• 1
• 2
• »