org.apache.hudi.common.bloom

Class BloomFilterFactory

java.lang.Object

org.apache.hudi.common.bloom.BloomFilterFactory

public class BloomFilterFactory
extends Object

A Factory class to generate different versions of BloomFilter.

Constructor Summary

Constructors

Constructor and Description
BloomFilterFactory()

Method Summary

Modifier and Type	Method and Description
static BloomFilter	createBloomFilter(int numEntries, double errorRate, int maxNumberOfEntries, String bloomFilterTypeCode) Creates a new BloomFilter with the given args.
static BloomFilter	fromByteBuffer(ByteBuffer byteBuffer, String bloomFilterTypeCode) Generates BloomFilter from a ByteBuffer.
static BloomFilter	fromString(String serString, String bloomFilterTypeCode) Generate BloomFilter from serialized String.

Methods inherited from class java.lang.Object

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

Constructor Detail

BloomFilterFactory

public BloomFilterFactory()

Method Detail

createBloomFilter

public static BloomFilter createBloomFilter(int numEntries,
                                            double errorRate,
                                            int maxNumberOfEntries,
                                            String bloomFilterTypeCode)

Creates a new BloomFilter with the given args.

Parameters:

numEntries - total number of entries

errorRate - max allowed error rate

bloomFilterTypeCode - bloom filter type code

Returns:

the BloomFilter thus created

fromString

public static BloomFilter fromString(String serString,
                                     String bloomFilterTypeCode)

Generate BloomFilter from serialized String.

Parameters:

serString - the serialized string of the BloomFilter

bloomFilterTypeCode - bloom filter type code as string

Returns:

the BloomFilter thus generated from the passed in serialized string

fromByteBuffer

public static BloomFilter fromByteBuffer(ByteBuffer byteBuffer,
                                         String bloomFilterTypeCode)

Generates BloomFilter from a ByteBuffer.

Parameters:

byteBuffer - ByteBuffer containing the serialized bloom filter.

bloomFilterTypeCode - bloom filter type code as string.

Returns:

the BloomFilter thus generated from the passed in ByteBuffer.