Package org.processmining.logfiltering.algorithms.SPMF.PatternMining

Class AbstractItemset

  • Direct Known Subclasses:
    AbstractOrderedItemset
    public abstract class AbstractItemset
extends java.lang.Object
    This is an abstract class for an itemset (a set of items.
    Author:
    Philippe Fournier-Viger
    See Also:
    AbstractOrderedItemset, AbstractMutableOrderedItemset

    • Constructor Summary

      Constructors 
      Constructor Description
      AbstractItemset()  

    • Method Summary

      All Methods Instance Methods Abstract Methods Concrete Methods 
      Modifier and Type Method Description
      abstract boolean contains​(java.lang.Integer item)
      Check if this itemset contains a given item.
      abstract int getAbsoluteSupport()
      Get the support of this itemset
      abstract double getRelativeSupport​(int nbObject)
      Get the relative support of this itemset (a percentage) as a double
      java.lang.String getRelativeSupportAsString​(int nbObject)
      Get the relative support of this itemset as a string
      void print()
      print this itemset to System.out.
      abstract int size()
      Get the size of this itemset
      abstract java.lang.String toString()
      Get this itemset as a string

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • AbstractItemset

        public AbstractItemset()

    • Method Detail

      • size

        public abstract int size()
        Get the size of this itemset
        Returns:
        the size of this itemset

      • toString

        public abstract java.lang.String toString()
        Get this itemset as a string
        Overrides:
        toString in class java.lang.Object
        Returns:
        a string representation of this itemset

      • print

        public void print()
        print this itemset to System.out.

      • getAbsoluteSupport

        public abstract int getAbsoluteSupport()
        Get the support of this itemset
        Returns:
        the support of this itemset

      • getRelativeSupport

        public abstract double getRelativeSupport​(int nbObject)
        Get the relative support of this itemset (a percentage) as a double
        Parameters:
        nbObject - the number of transactions in the database where this itemset was found
        Returns:
        the relative support of the itemset as a double

      • getRelativeSupportAsString

        public java.lang.String getRelativeSupportAsString​(int nbObject)
        Get the relative support of this itemset as a string
        Parameters:
        nbObject - the number of transactions in the database where this itemset was found
        Returns:
        the relative support of the itemset as a string

      • contains

        public abstract boolean contains​(java.lang.Integer item)
        Check if this itemset contains a given item.
        Parameters:
        item - the item
        Returns:
        true if the item is contained in this itemset