@InterfaceAudience.Public public class ColumnCountGetFilter extends org.apache.hadoop.hbase.filter.FilterBase
filterAllRemaining()
returns true. This
makes this filter unsuitable as a Scan filter.Filter.ReturnCode
Constructor and Description |
---|
ColumnCountGetFilter(int n) |
Modifier and Type | Method and Description |
---|---|
static Filter |
createFilterFromArguments(ArrayList<byte[]> filterArguments) |
boolean |
equals(Object obj) |
boolean |
filterAllRemaining()
Filters that never filter all remaining can inherit this implementation that
never stops the filter early.
|
Filter.ReturnCode |
filterCell(Cell c)
A way to filter based on the column family, column qualifier and/or the column value.
|
Filter.ReturnCode |
filterKeyValue(Cell c)
Deprecated.
|
boolean |
filterRowKey(Cell cell)
Filters a row based on the row key.
|
int |
getLimit() |
int |
hashCode() |
static ColumnCountGetFilter |
parseFrom(byte[] pbBytes) |
void |
reset()
Filters that are purely stateless and do nothing in their reset() methods can inherit
this null/empty implementation.
|
byte[] |
toByteArray()
Return length 0 byte array for Filters that don't require special serialization
|
String |
toString()
Return filter's info for debugging and logging purpose.
|
filterRow, filterRowCells, filterRowKey, getNextCellHint, hasFilterRow, isFamilyEssential, transformCell
isReversed, setReversed
public ColumnCountGetFilter(int n)
public int getLimit()
public boolean filterRowKey(Cell cell) throws IOException
Filter
Filter.filterCell(Cell)
below.
If Filter.filterAllRemaining()
returns true, then Filter.filterRowKey(Cell)
should
also return true.
Concrete implementers can signal a failure condition in their code by throwing an
IOException
.filterRowKey
in class org.apache.hadoop.hbase.filter.FilterBase
cell
- The first cell coming in the new rowIOException
- in case an I/O or an filter specific failure needs to be signaled.public boolean filterAllRemaining()
org.apache.hadoop.hbase.filter.FilterBase
IOException
.filterAllRemaining
in class org.apache.hadoop.hbase.filter.FilterBase
@Deprecated public Filter.ReturnCode filterKeyValue(Cell c)
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
c
- the Cell in questionFilter.ReturnCode
public Filter.ReturnCode filterCell(Cell c)
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
.filterCell
in class Filter
c
- the Cell in questionFilter.ReturnCode
public void reset()
org.apache.hadoop.hbase.filter.FilterBase
IOException
.reset
in class org.apache.hadoop.hbase.filter.FilterBase
public static Filter createFilterFromArguments(ArrayList<byte[]> filterArguments)
public byte[] toByteArray()
org.apache.hadoop.hbase.filter.FilterBase
toByteArray
in class org.apache.hadoop.hbase.filter.FilterBase
public static ColumnCountGetFilter parseFrom(byte[] pbBytes) throws org.apache.hadoop.hbase.exceptions.DeserializationException
pbBytes
- A pb serialized ColumnCountGetFilter
instanceColumnCountGetFilter
made from bytes
org.apache.hadoop.hbase.exceptions.DeserializationException
toByteArray()
public String toString()
org.apache.hadoop.hbase.filter.FilterBase
toString
in class org.apache.hadoop.hbase.filter.FilterBase
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