public static class ColumnCounter.GroupByPrefix extends ColumnCounter
ColumnCounter.GroupByPrefixignored, live, timestamp| Constructor and Description |
|---|
ColumnCounter.GroupByPrefix(long timestamp,
CompositeType type,
int toGroup)
A column counter that count only 1 for all the columns sharing a
given prefix of the key.
|
| Modifier and Type | Method and Description |
|---|---|
void |
count(Column column,
DeletionInfo.InOrderTester tester) |
countAll, ignored, isLive, livepublic ColumnCounter.GroupByPrefix(long timestamp,
CompositeType type,
int toGroup)
type - the type of the column name. This can be null if toGroup is 0, otherwise it should be a composite.toGroup - the number of composite components on which to group
column. If 0, all columns are grouped, otherwise we group
those for which the toGroup first component are equals.public void count(Column column, DeletionInfo.InOrderTester tester)
count in class ColumnCounterCopyright © 2015 The Apache Software Foundation