public static class TestFilter.SlowScanFilter extends FilterBase
create 't1', 'f1'
1.upto(100) { |x| put 't1', 'r' + x.to_s, 'f1:q1', 'hi' }
import org.apache.hadoop.hbase.filter.TestFilter
scan 't1', { FILTER => TestFilter::SlowScanFilter.new(), CACHE => 50 }
Filter.ReturnCode
Constructor and Description |
---|
SlowScanFilter() |
Modifier and Type | Method and Description |
---|---|
Filter.ReturnCode |
filterKeyValue(Cell ignored)
A way to filter based on the column family, column qualifier and/or the column value.
|
boolean |
filterRow()
Filters that never filter by rows based on previously gathered state from
Filter.filterKeyValue(Cell) can inherit this implementation that
never filters a row. |
byte[] |
toByteArray()
Return length 0 byte array for Filters that don't require special serialization
|
createFilterFromArguments, filterAllRemaining, filterRowCells, filterRowKey, getNextCellHint, getNextKeyHint, hasFilterRow, isFamilyEssential, reset, toString, transform, transformCell
isReversed, parseFrom, setReversed
public byte[] toByteArray()
FilterBase
toByteArray
in class FilterBase
public Filter.ReturnCode filterKeyValue(Cell ignored) throws java.io.IOException
Filter
ReturnCode.NEXT_ROW
, it should return
ReturnCode.NEXT_ROW
until Filter.reset()
is called just in case the caller calls
for the next row.
Concrete implementers can signal a failure condition in their code by throwing an
IOException
.filterKeyValue
in class Filter
ignored
- the Cell in questionjava.io.IOException
- in case an I/O or an filter specific failure needs to be signaled.Filter.ReturnCode
public boolean filterRow() throws java.io.IOException
FilterBase
Filter.filterKeyValue(Cell)
can inherit this implementation that
never filters a row.filterRow
in class FilterBase
java.io.IOException
- in case an I/O or an filter specific failure needs to be signaled.