@InterfaceAudience.Public @Deprecated public class FirstKeyValueMatchingQualifiersFilter extends FirstKeyOnlyFilter
Note : It may emit KVs which do not have the given columns in them, if these KVs happen to occur before a KV which does have a match. Given this caveat, this filter is only useful for special cases like org.apache.hadoop.hbase.mapreduce.RowCounter.
Filter.ReturnCode
Constructor and Description |
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FirstKeyValueMatchingQualifiersFilter(Set<byte[]> qualifiers)
Deprecated.
Constructor which takes a set of columns.
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Modifier and Type | Method and Description |
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boolean |
equals(Object obj)
Deprecated.
|
Filter.ReturnCode |
filterCell(Cell c)
Deprecated.
A way to filter based on the column family, column qualifier and/or the column value.
|
Filter.ReturnCode |
filterKeyValue(Cell c)
Deprecated.
|
int |
hashCode()
Deprecated.
|
static FirstKeyValueMatchingQualifiersFilter |
parseFrom(byte[] pbBytes)
Deprecated.
|
byte[] |
toByteArray()
Deprecated.
Return length 0 byte array for Filters that don't require special serialization
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createFilterFromArguments, filterRowKey, hasFoundKV, reset, setFoundKV
filterAllRemaining, filterRow, filterRowCells, filterRowKey, getNextCellHint, hasFilterRow, isFamilyEssential, toString, transformCell
isReversed, setReversed
public FirstKeyValueMatchingQualifiersFilter(Set<byte[]> qualifiers)
qualifiers
- the set of columns to me matched.@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 FirstKeyOnlyFilter
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 FirstKeyOnlyFilter
c
- the Cell in questionFilter.ReturnCode
public byte[] toByteArray()
FilterBase
toByteArray
in class FirstKeyOnlyFilter
public static FirstKeyValueMatchingQualifiersFilter parseFrom(byte[] pbBytes) throws DeserializationException
pbBytes
- A pb serialized FirstKeyValueMatchingQualifiersFilter
instanceFirstKeyValueMatchingQualifiersFilter
made from bytes
DeserializationException
toByteArray()
public boolean equals(Object obj)
equals
in class FirstKeyOnlyFilter
public int hashCode()
hashCode
in class FirstKeyOnlyFilter
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