Class SparseBitSet.Cache

java.lang.Object
com.zaxxer.sparsebits.SparseBitSet.Cache
Enclosing class:
SparseBitSet
protected class SparseBitSet.Cache extends Object
This class holds the values related to various statistics kept about the bit set. These values are not kept continuously up-to-date. Whenever the values become invalid, the field hash is set to zero, indicating that an update is required.
Since:
1.6
Version:
1.0, 2009-03-17
See Also:

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    protected int
    a2Count
    a2Count is updated by the statisticsUpdate() method, and will only be correct immediately after a full update.
    protected int
    a3Count
    a3Count is updated by the statisticsUpdate() method, and will only be correct immediately after a full update.
    protected int
    cardinality
    cardinality is updated by the statisticsUpdate() method.
    protected int
    count
    count is updated by the statisticsUpdate() method.
    protected int
    hash
    hash is updated by the statisticsUpdate() method.
    protected int
    length
    length is updated by the statisticsUpdate() method.
    protected int
    size
    size is updated by the statisticsUpdate() method.

  • Constructor Summary

    Constructors
    Modifier
    Constructor
    Description
    protected
    Cache()
     

  • Method Summary

    Methods inherited from class Object

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

  • Field Details

    • hash

      protected transient int hash
      hash is updated by the statisticsUpdate() method. If the hash value is zero, it is assumed that all the cached values are stale, and must be updated.

    • size

      protected transient int size
      size is updated by the statisticsUpdate() method. If the hash value is zero, it is assumed the all the cached values are stale, and must be updated.

    • cardinality

      protected transient int cardinality
      cardinality is updated by the statisticsUpdate() method. If the hash value is zero, it is assumed the all the cached values are stale, and must be updated.

    • length

      protected transient int length
      length is updated by the statisticsUpdate() method. If the hash value is zero, it is assumed the all the cached values are stale, and must be updated.

    • count

      protected transient int count
      count is updated by the statisticsUpdate() method. If the hash value is zero, it is assumed the all the cached values are stale, and must be updated.

    • a2Count

      protected transient int a2Count
      a2Count is updated by the statisticsUpdate() method, and will only be correct immediately after a full update. The hash value is must be zero for all values to be updated.

    • a3Count

      protected transient int a3Count
      a3Count is updated by the statisticsUpdate() method, and will only be correct immediately after a full update. The hash value is must be zero for all values to be updated.

  • Constructor Details

    • Cache

      protected Cache()