@InterfaceAudience.Public @InterfaceStability.Stable public class ColumnPaginationFilter extends FilterBase
Filter.ReturnCode
Constructor and Description |
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ColumnPaginationFilter(int limit,
byte[] columnOffset)
Initializes filter with a string/bookmark based offset and limit.
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ColumnPaginationFilter(int limit,
int offset)
Initializes filter with an integer offset and limit.
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Modifier and Type | Method and Description |
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static Filter |
createFilterFromArguments(ArrayList<byte[]> filterArguments) |
Filter.ReturnCode |
filterKeyValue(Cell v)
Filters that dont filter by key value can inherit this implementation that
includes all Cells.
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byte[] |
getColumnOffset() |
int |
getLimit() |
Cell |
getNextCellHint(Cell kv)
Filters that are not sure which key must be next seeked to, can inherit
this implementation that, by default, returns a null Cell.
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int |
getOffset() |
static ColumnPaginationFilter |
parseFrom(byte[] pbBytes) |
void |
reset()
Filters that are purely stateless and do nothing in their reset() methods can inherit
this null/empty implementation.
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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.
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filterAllRemaining, filterRow, filterRow, filterRowCells, filterRowKey, getNextKeyHint, hasFilterRow, isFamilyEssential, transform, transformCell
isReversed, setReversed
public ColumnPaginationFilter(int limit, int offset)
limit
- Max number of columns to return.offset
- The integer offset where to start pagination.public ColumnPaginationFilter(int limit, byte[] columnOffset)
limit
- Max number of columns to return.columnOffset
- The string/bookmark offset on where to start pagination.public int getLimit()
public int getOffset()
public byte[] getColumnOffset()
public Filter.ReturnCode filterKeyValue(Cell v)
FilterBase
filterKeyValue
in class FilterBase
v
- the Cell in questionFilter.ReturnCode
public Cell getNextCellHint(Cell kv)
FilterBase
getNextCellHint
in class FilterBase
public void reset()
FilterBase
reset
in class FilterBase
public static Filter createFilterFromArguments(ArrayList<byte[]> filterArguments)
public byte[] toByteArray()
FilterBase
toByteArray
in class FilterBase
public static ColumnPaginationFilter parseFrom(byte[] pbBytes) throws DeserializationException
pbBytes
- A pb serialized ColumnPaginationFilter
instanceColumnPaginationFilter
made from bytes
DeserializationException
toByteArray()
public String toString()
FilterBase
toString
in class FilterBase
Copyright © 2014 The Apache Software Foundation. All rights reserved.