org.android.activityminer.logic.util
Class FeatureSetCreator

java.lang.Object
  org.android.activityminer.logic.util.FeatureSetCreator

public class FeatureSetCreator
extends Object

Utility class for the creation of feature sets for evaluation.

Constructor Summary

FeatureSetCreator()

Method Summary

static <T> Set<Set<T>>	powerSet(Set<T> set) Does create a power set from the given set.
static <T> void	removeEmtySet(Set<Set<T>> powerSet) Does remove the empty set from a power set.

Methods inherited from class java.lang.Object

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

Constructor Detail

FeatureSetCreator

public FeatureSetCreator()

Method Detail

powerSet

public static final <T> Set<Set<T>> powerSet(Set<T> set)

Does create a power set from the given set. Follows an implementation from http://rosettacode.org/wiki/Power_set#Iterative.
The original set is not modified!

Type Parameters:

T - the element type of the set

Parameters:

set - the original set to create a power set for

Returns:

the power set of the original set

removeEmtySet

public static final <T> void removeEmtySet(Set<Set<T>> powerSet)

Does remove the empty set from a power set.

Type Parameters:

T - the element type of the set

Parameters:

powerSet - the power set to remove empty set from