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t

com.spotify.scio.hash

ApproxFilter

sealed trait ApproxFilter[T] extends Serializable

An approximate filter for instances of T, e.g. a Bloom filter. A Bloom filter offers an approximate containment test with one-sided error: if it claims that an element is contained in it, this might be in error, but if it claims that an element is not contained in it, then this is definitely true.

Source
ApproxFilter.scala
Linear Supertypes
Serializable, AnyRef, Any
Known Subclasses
BloomFilter
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Abstract Value Members

  1. abstract def approxElementCount: Long

    Return an estimate for the total number of distinct elements that have been added to this ApproxFilter.

    Return an estimate for the total number of distinct elements that have been added to this ApproxFilter. This approximation is reasonably accurate if it does not exceed the value of expectedInsertions that was used when constructing the filter.

  2. abstract val expectedFpp: Double

    Return the probability that mightContain will erroneously return true for an object that has not actually been put in the ApproxFilter.

  3. abstract def mightContain(elem: T): Boolean

    Return true if the element might have been put in this filter, false if this is definitely not the case.

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
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  2. final def ##: Int
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  3. final def ==(arg0: Any): Boolean
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  10. def hashCode(): Int
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  11. final def isInstanceOf[T0]: Boolean
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  12. final def ne(arg0: AnyRef): Boolean
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  15. final def synchronized[T0](arg0: => T0): T0
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  18. final def wait(arg0: Long, arg1: Int): Unit
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  19. final def wait(arg0: Long): Unit
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