net.sf.oriented.omi

Interface MatroidFactory

All Superinterfaces:

Factory<MatroidAsSet>, SetFactory<UnsignedSet,MatroidAsSet>

public interface MatroidFactory
extends SetFactory<UnsignedSet,MatroidAsSet>

Convert a set of sets of elements into a matroid.

Author:

jeremycarroll

See Also:

FactoryFactory.bases(), FactoryFactory.unsignedCircuits()

Method Summary

Methods

Modifier and Type	Method and Description
MatroidAsSet	empty() This does not, and will not, work.
MatroidAsSet	fromSets(SetOfUnsignedSet sym)

Methods inherited from interface net.sf.oriented.omi.SetFactory

copyBackingCollection

Methods inherited from interface net.sf.oriented.omi.Factory

emptyCollectionOf, parse, parse, remake, toString

Method Detail

empty

MatroidAsSet empty()

This does not, and will not, work. This is inherited from the SetFactory interface, and is not appropriate for Matroids.

Specified by:

empty in interface SetFactory<UnsignedSet,MatroidAsSet>

Returns:

Never.

Throws:

UnsupportedOperationException - Always.

fromSets

MatroidAsSet fromSets(SetOfUnsignedSet sym)

Parameters:

sym - A set of sets, satisfying all the relevant axioms.

Returns:

A new Matroid, based on the sets.