Examples with NavigableMap java.util.NavigableMap used on opensource projects

Example 46 with NavigableMap

use of java.util.NavigableMap in project mapdb by jankotek.

the class TreeSubMapTest method testKeySetOrder.

/**
     * keySet is ordered
     */
public void testKeySetOrder() {
    NavigableMap map = map5();
    Set s = map.keySet();
    Iterator i = s.iterator();
    Integer last = (Integer) i.next();
    assertEquals(last, one);
    while (i.hasNext()) {
        Integer k = (Integer) i.next();
        assertTrue(last.compareTo(k) < 0);
        last = k;
    }
}

Example 47 with NavigableMap

use of java.util.NavigableMap in project mapdb by jankotek.

the class TreeSubMapTest method testDescendingDescendingKeySetToArray.

/**
     * descendingkeySet.toArray returns contains all keys
     */
public void testDescendingDescendingKeySetToArray() {
    NavigableMap map = dmap5();
    Set s = map.descendingKeySet();
    Object[] ar = s.toArray();
    assertEquals(5, ar.length);
    assertTrue(s.containsAll(Arrays.asList(ar)));
    ar[0] = m10;
    assertFalse(s.containsAll(Arrays.asList(ar)));
}

Example 48 with NavigableMap

use of java.util.NavigableMap in project mapdb by jankotek.

the class TreeSubMapTest method testDescendingGet_NullPointerException.

// Exception testDescendings
/**
     * get(null) of nonempty map throws NPE
     */
public void testDescendingGet_NullPointerException() {
    NavigableMap c = dmap5();
    try {
        c.get(null);
        shouldThrow();
    } catch (NullPointerException success) {
    }
}

Example 49 with NavigableMap

use of java.util.NavigableMap in project hadoop by apache.

the class TimelineEntityReader method readMetrics.

/**
   * Helper method for reading and deserializing {@link TimelineMetric} objects
   * using the specified column prefix. The timeline metrics then are added to
   * the given timeline entity.
   *
   * @param entity {@link TimelineEntity} object.
   * @param result {@link Result} object retrieved from backend.
   * @param columnPrefix Metric column prefix
   * @throws IOException if any exception is encountered while reading metrics.
   */
protected void readMetrics(TimelineEntity entity, Result result, ColumnPrefix<?> columnPrefix) throws IOException {
    NavigableMap<String, NavigableMap<Long, Number>> metricsResult = columnPrefix.readResultsWithTimestamps(result, stringKeyConverter);
    for (Map.Entry<String, NavigableMap<Long, Number>> metricResult : metricsResult.entrySet()) {
        TimelineMetric metric = new TimelineMetric();
        metric.setId(metricResult.getKey());
        // Simply assume that if the value set contains more than 1 elements, the
        // metric is a TIME_SERIES metric, otherwise, it's a SINGLE_VALUE metric
        TimelineMetric.Type metricType = metricResult.getValue().size() > 1 ? TimelineMetric.Type.TIME_SERIES : TimelineMetric.Type.SINGLE_VALUE;
        metric.setType(metricType);
        metric.addValues(metricResult.getValue());
        entity.addMetric(metric);
    }
}

Example 50 with NavigableMap

use of java.util.NavigableMap in project hadoop by apache.

the class FlowRunCoprocessor method prePut.

/*
   * (non-Javadoc)
   *
   * This method adds the tags onto the cells in the Put. It is presumed that
   * all the cells in one Put have the same set of Tags. The existing cell
   * timestamp is overwritten for non-metric cells and each such cell gets a new
   * unique timestamp generated by {@link TimestampGenerator}
   *
   * @see
   * org.apache.hadoop.hbase.coprocessor.BaseRegionObserver#prePut(org.apache
   * .hadoop.hbase.coprocessor.ObserverContext,
   * org.apache.hadoop.hbase.client.Put,
   * org.apache.hadoop.hbase.regionserver.wal.WALEdit,
   * org.apache.hadoop.hbase.client.Durability)
   */
@Override
public void prePut(ObserverContext<RegionCoprocessorEnvironment> e, Put put, WALEdit edit, Durability durability) throws IOException {
    Map<String, byte[]> attributes = put.getAttributesMap();
    if (!isFlowRunRegion) {
        return;
    }
    // Assumption is that all the cells in a put are the same operation.
    List<Tag> tags = new ArrayList<>();
    if ((attributes != null) && (attributes.size() > 0)) {
        for (Map.Entry<String, byte[]> attribute : attributes.entrySet()) {
            Tag t = HBaseTimelineStorageUtils.getTagFromAttribute(attribute);
            tags.add(t);
        }
        byte[] tagByteArray = Tag.fromList(tags);
        NavigableMap<byte[], List<Cell>> newFamilyMap = new TreeMap<>(Bytes.BYTES_COMPARATOR);
        for (Map.Entry<byte[], List<Cell>> entry : put.getFamilyCellMap().entrySet()) {
            List<Cell> newCells = new ArrayList<>(entry.getValue().size());
            for (Cell cell : entry.getValue()) {
                // for each cell in the put add the tags
                // Assumption is that all the cells in
                // one put are the same operation
                // also, get a unique cell timestamp for non-metric cells
                // this way we don't inadvertently overwrite cell versions
                long cellTimestamp = getCellTimestamp(cell.getTimestamp(), tags);
                newCells.add(CellUtil.createCell(CellUtil.cloneRow(cell), CellUtil.cloneFamily(cell), CellUtil.cloneQualifier(cell), cellTimestamp, KeyValue.Type.Put, CellUtil.cloneValue(cell), tagByteArray));
            }
            newFamilyMap.put(entry.getKey(), newCells);
        }
        // for each entry
        // Update the family map for the Put
        put.setFamilyCellMap(newFamilyMap);
    }
}