private static HBaseMRRowRange getRangeMax(
final Index<?, ?> index,
final AdapterStore adapterStore,
final DataStatisticsStore statsStore,
final String[] authorizations) {
final RowRangeDataStatistics<?> stats =
(RowRangeDataStatistics<?>)
statsStore.getDataStatistics(
index.getId(), RowRangeDataStatistics.getId(index.getId()), authorizations);
if (stats == null) {
LOGGER.warn(
"Could not determine range of data from 'RowRangeDataStatistics'. Range will not be clipped. This may result in some splits being empty.");
return new HBaseMRRowRange();
}
final int cardinality = Math.max(stats.getMin().length, stats.getMax().length);
return new HBaseMRRowRange(
new ByteArrayId(
getKeyFromBigInteger(new BigInteger(stats.getMin()).subtract(ONE), cardinality)),
new ByteArrayId(
getKeyFromBigInteger(new BigInteger(stats.getMax()).add(ONE), cardinality)));
}
private static RowRangeHistogramStatistics<?> getRangeStats(
final PrimaryIndex index,
final List<DataAdapter<Object>> adapters,
final AdapterStore adapterStore,
final DataStatisticsStore store,
final String[] authorizations) {
RowRangeHistogramStatistics<?> singleStats = null;
for (final DataAdapter<?> adapter : adapters) {
final RowRangeHistogramStatistics<?> rowStat =
(RowRangeHistogramStatistics<?>)
store.getDataStatistics(
adapter.getAdapterId(),
RowRangeHistogramStatistics.composeId(index.getId()),
authorizations);
if (singleStats == null) {
singleStats = rowStat;
} else {
singleStats.merge(rowStat);
}
}
return singleStats;
}