Class/Object

com.twitter.algebird

BF

Related Docs: object BF | package algebird

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sealed abstract class BF[A] extends Serializable

Bloom Filter data structure

Linear Supertypes
Serializable, AnyRef, Any
Known Subclasses
BFInstance, BFItem, BFSparse, BFZero
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Abstract Value Members

  1. abstract def +(other: A): BF[A]

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  2. abstract def ++(other: BF[A]): BF[A]

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  3. abstract def checkAndAdd(item: A): (BF[A], ApproximateBoolean)

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  4. abstract def maybeContains(item: A): Boolean

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    This may be faster if you don't care about evaluating the false positive probability

  5. abstract def numBits: Int

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    The number of bits set to true in the bloom filter

  6. abstract def numHashes: Int

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  7. abstract def size: Approximate[Long]

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  8. abstract def toBitSet: BitSet

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  9. abstract def width: Int

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Concrete Value Members

  1. final def !=(arg0: Any): Boolean

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    Definition Classes
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  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. final def asInstanceOf[T0]: T0

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  5. def clone(): AnyRef

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    Attributes
    protected[java.lang]
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    @throws( ... )

  6. def contains(item: A): ApproximateBoolean

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  7. def density: Double

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    Proportion of bits that are set to true.

  8. final def eq(arg0: AnyRef): Boolean

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  9. def equals(arg0: Any): Boolean

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  10. def finalize(): Unit

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    Attributes
    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )

  11. final def getClass(): Class[_]

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  12. def hammingDistance(that: BF[A]): Int

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    Compute the Hamming distance between the two Bloom filters a and b.

    Compute the Hamming distance between the two Bloom filters a and b. The distance is defined as the number of bits that need to change to in order to transform one filter into the other.

  13. def hashCode(): Int

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  14. final def isInstanceOf[T0]: Boolean

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  15. final def ne(arg0: AnyRef): Boolean

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  16. final def notify(): Unit

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  17. final def notifyAll(): Unit

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  18. final def synchronized[T0](arg0: ⇒ T0): T0

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  19. def toString(): String

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  20. final def wait(): Unit

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  21. final def wait(arg0: Long, arg1: Int): Unit

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  22. final def wait(arg0: Long): Unit

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Inherited from Serializable

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