org.apache.hadoop.util.bloom

Class CarbonBloomFilter

java.lang.Object

org.apache.hadoop.util.bloom.Filter

org.apache.hadoop.util.bloom.BloomFilter

org.apache.hadoop.util.bloom.CarbonBloomFilter

All Implemented Interfaces:

org.apache.hadoop.io.Writable

public class CarbonBloomFilter
extends org.apache.hadoop.util.bloom.BloomFilter

It is the extendable class to hadoop bloomfilter, it is extendable to implement compressed bloom and fast serialize and deserialize of bloom.

Field Summary

Fields inherited from class org.apache.hadoop.util.bloom.Filter

hash, hashType, nbHash, vectorSize

Constructor Summary

Constructors

Constructor and Description
CarbonBloomFilter()
CarbonBloomFilter(int vectorSize, int nbHash, int hashType, boolean compress)

Method Summary

Modifier and Type	Method and Description
int	getBlockletNo()
String	getShardName()
int	getSize()
boolean	membershipTest(org.apache.hadoop.util.bloom.Key key)
void	readFields(DataInput in)
void	setBlockletNo(int blockletNo)
void	setShardName(String shardName)
void	write(DataOutput out)

Methods inherited from class org.apache.hadoop.util.bloom.BloomFilter

add, and, getVectorSize, not, or, toString, xor

Methods inherited from class org.apache.hadoop.util.bloom.Filter

add, add, add

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

CarbonBloomFilter

public CarbonBloomFilter()

CarbonBloomFilter

public CarbonBloomFilter(int vectorSize,
                         int nbHash,
                         int hashType,
                         boolean compress)

Method Detail

membershipTest

public boolean membershipTest(org.apache.hadoop.util.bloom.Key key)

Overrides:

membershipTest in class org.apache.hadoop.util.bloom.BloomFilter

write

public void write(DataOutput out)
           throws IOException

Specified by:

write in interface org.apache.hadoop.io.Writable

Overrides:

write in class org.apache.hadoop.util.bloom.BloomFilter

Throws:

IOException

readFields

public void readFields(DataInput in)
                throws IOException

Specified by:

readFields in interface org.apache.hadoop.io.Writable

Overrides:

readFields in class org.apache.hadoop.util.bloom.BloomFilter

Throws:

IOException

getSize

public int getSize()

setBlockletNo

public void setBlockletNo(int blockletNo)

getBlockletNo

public int getBlockletNo()

getShardName

public String getShardName()

setShardName

public void setShardName(String shardName)