Object

ksb.csle.didentification.utilities

EquivalClassManager

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object EquivalClassManager

This object should be modified considerably. This object is just made to verify the generalization function and syntatic anonymity (klt).

This object provides some functions to describe the equivalence class. Note that all quasi-identifiers belonging to a specific equivalence class should be same.

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  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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  4. final def asInstanceOf[T0]: T0

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  5. def clone(): AnyRef

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

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  7. def equals(arg0: Any): Boolean

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  8. def finalize(): Unit

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

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  10. def getECAbstractionInfo(src: DataFrame, columnNames: Array[String]): Map[Seq[Any], Long]

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    Gets the abstract information about the equivalence class (EC).

    Gets the abstract information about the equivalence class (EC). The info is given by form [quasi-identifiers info in EC, the number of their records]

    src

    Dataframe

    columnNames

    The array of quasi-identifier columns

    returns

    DataFrame The abstract information about EC

  11. def getEquivalenceClasses(src: DataFrame, hierarchies: Map[FieldInfo, ColumnHierarchy]): Map[Seq[Any], EquivalenceClass]

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    Gets the abstract information about the equivalence class (EC).

    Gets the abstract information about the equivalence class (EC). The info is given by form [quasi-identifiers info in EC, the number of their records]

    src

    Dataframe

    hierarchies

    The information contains all the hierarchies of quasi-identifier columns

    returns

    Map[Seq[Any], EquivalenceClass] Returns the map of equivalence classes. Each equivalence class has its list of quasi-identifiers (Seq[Any]) and EC info. The EC info is composed of [quasi-identifiers, the number of its records, the lattice entry]. Note that the lattice entry describes the generalization steps of quasi-identifiers to make this equivalence class.

  12. def getLatticeValue(columnID: Int, columnName: String, data: Any, hierarchy: ColumnHierarchy): LatticeValue

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    Gets the lattice value from the hierarchy information using given data.

    Gets the lattice value from the hierarchy information using given data.

    columnID

    The column ID

    columnName

    The column name

    data

    The data to get the lattice value

    hierarchy

    the hierarchy information

    returns

    LatticeValue The got lattice value

  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. def printEqClasses(eqClasses: Map[Seq[Any], EquivalenceClass]): Unit

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    Prints all the equivalence classes (EC) information.

    Prints all the equivalence classes (EC) information.

    returns

    Unit

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

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  20. def toString(): String

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  21. final def wait(): Unit

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

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

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