public class CardinalityEstimatorContainer extends Object implements IdentifiedDataSerializable
Constructor and Description |
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CardinalityEstimatorContainer() |
CardinalityEstimatorContainer(int backupCount,
int asyncBackupCount) |
Modifier and Type | Method and Description |
---|---|
void |
add(long hash) |
boolean |
equals(Object o) |
long |
estimate() |
int |
getAsyncBackupCount() |
int |
getBackupCount() |
int |
getFactoryId()
Returns DataSerializableFactory factory ID for this class.
|
int |
getId()
Returns type identifier for this class.
|
int |
getTotalBackupCount() |
int |
hashCode() |
HyperLogLog |
merge(SplitBrainMergeTypes.CardinalityEstimatorMergeTypes mergingEntry,
SplitBrainMergePolicy<HyperLogLog,SplitBrainMergeTypes.CardinalityEstimatorMergeTypes> mergePolicy,
SerializationService serializationService)
Merges the given
SplitBrainMergeTypes.CardinalityEstimatorMergeTypes via the given SplitBrainMergePolicy . |
void |
readData(ObjectDataInput in)
Reads fields from the input stream
|
void |
setValue(HyperLogLog hll) |
void |
writeData(ObjectDataOutput out)
Writes object fields to output stream
|
public CardinalityEstimatorContainer()
public CardinalityEstimatorContainer(int backupCount, int asyncBackupCount)
public void add(long hash)
public long estimate()
public int getBackupCount()
public int getAsyncBackupCount()
public int getTotalBackupCount()
public HyperLogLog merge(SplitBrainMergeTypes.CardinalityEstimatorMergeTypes mergingEntry, SplitBrainMergePolicy<HyperLogLog,SplitBrainMergeTypes.CardinalityEstimatorMergeTypes> mergePolicy, SerializationService serializationService)
SplitBrainMergeTypes.CardinalityEstimatorMergeTypes
via the given SplitBrainMergePolicy
.mergingEntry
- the SplitBrainMergeTypes.CardinalityEstimatorMergeTypes
instance to mergemergePolicy
- the SplitBrainMergePolicy
instance to applyserializationService
- the SerializationService
to inject dependenciesHyperLogLog
if merge is applied, otherwise null
public void setValue(HyperLogLog hll)
public void writeData(ObjectDataOutput out) throws IOException
DataSerializable
writeData
in interface DataSerializable
out
- outputIOException
- if an I/O error occurs. In particular,
an IOException
may be thrown if the
output stream has been closed.public void readData(ObjectDataInput in) throws IOException
DataSerializable
readData
in interface DataSerializable
in
- inputIOException
- if an I/O error occurs. In particular,
an IOException
may be thrown if the
input stream has been closed.public int getFactoryId()
IdentifiedDataSerializable
getFactoryId
in interface IdentifiedDataSerializable
public int getId()
IdentifiedDataSerializable
getId
in interface IdentifiedDataSerializable
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