private RowFilter createTimeRangeFilter(TimeRange timeRange) {
TimestampRange.Builder rangeBuilder = TimestampRange.newBuilder();
long lowerBound =
BigtableConstants.BIGTABLE_TIMEUNIT.convert(
timeRange.getMin(), BigtableConstants.HBASE_TIMEUNIT);
rangeBuilder.setStartTimestampMicros(lowerBound);
if (timeRange.getMax() != Long.MAX_VALUE) {
long upperBound =
BigtableConstants.BIGTABLE_TIMEUNIT.convert(
timeRange.getMax(), BigtableConstants.HBASE_TIMEUNIT);
rangeBuilder.setEndTimestampMicros(upperBound);
}
return RowFilter.newBuilder().setTimestampRangeFilter(rangeBuilder).build();
}
@Override
public RowFilter adapt(FilterAdapterContext context, TimestampsFilter filter) {
Interleave.Builder interleaveBuilder = RowFilter.Interleave.newBuilder();
for (long timestamp : filter.getTimestamps()) {
// HBase TimestampsFilters are of the form: [N, M], however; bigtable
// uses [N, M) to express timestamp ranges. In order to express an HBase
// single point timestamp [M, M], we need to specify [M, M+1) to bigtable.
long bigtableStartTimestamp =
BigtableConstants.BIGTABLE_TIMEUNIT.convert(timestamp, BigtableConstants.HBASE_TIMEUNIT);
long bigtableEndTimestamp =
BigtableConstants.BIGTABLE_TIMEUNIT.convert(
timestamp + 1, BigtableConstants.HBASE_TIMEUNIT);
interleaveBuilder.addFilters(
RowFilter.newBuilder()
.setTimestampRangeFilter(
TimestampRange.newBuilder()
.setStartTimestampMicros(bigtableStartTimestamp)
.setEndTimestampMicros(bigtableEndTimestamp)));
}
return RowFilter.newBuilder().setInterleave(interleaveBuilder).build();
}