From 17bd9beaf7f358a44e5bf36a5855fe6727d506dc Mon Sep 17 00:00:00 2001
From: Federico Igne <federico.igne@cs.ox.ac.uk>
Date: Tue, 10 May 2022 18:17:06 +0100
Subject: [pagoda] Move project to Scala

This commit includes a few changes:
- The repository still uses Maven to manage dependency but it is now a
  Scala project.
- The code has been ported from OWLAPI 3.4.10 to 5.1.20
- A proof of concept program using both RSAComb and PAGOdA has been
  added.
---
 .../ac/ox/cs/pagoda/constraints/UnaryBottom.java   | 67 ----------------------
 1 file changed, 67 deletions(-)
 delete mode 100644 src/uk/ac/ox/cs/pagoda/constraints/UnaryBottom.java

(limited to 'src/uk/ac/ox/cs/pagoda/constraints/UnaryBottom.java')

diff --git a/src/uk/ac/ox/cs/pagoda/constraints/UnaryBottom.java b/src/uk/ac/ox/cs/pagoda/constraints/UnaryBottom.java
deleted file mode 100644
index 5339c50..0000000
--- a/src/uk/ac/ox/cs/pagoda/constraints/UnaryBottom.java
+++ /dev/null
@@ -1,67 +0,0 @@
-package uk.ac.ox.cs.pagoda.constraints;
-
-import java.util.Collection;
-import java.util.HashSet;
-import java.util.LinkedList;
-import java.util.Set;
-
-import org.semanticweb.HermiT.model.Atom;
-import org.semanticweb.HermiT.model.AtomicConcept;
-import org.semanticweb.HermiT.model.DLClause;
-import org.semanticweb.HermiT.model.Individual;
-import org.semanticweb.HermiT.model.Term;
-import org.semanticweb.HermiT.model.Variable;
-
-public class UnaryBottom implements BottomStrategy {
-	
-	@Override
-	public Collection<DLClause> process(Collection<DLClause> clauses) {
-		Collection<DLClause> ret = new LinkedList<DLClause>(); 
-		for (DLClause clause: clauses) 
-			if (clause.getHeadLength() == 0) {
-				ret.add(DLClause.create(getEmptyHead(pickRepresentative(clause.getBodyAtoms())), clause.getBodyAtoms()));
-			}
-			else 
-				ret.add(clause); 
-		return ret;
-	}
-
-	protected Term pickRepresentative(Atom[] atoms) {
-		Term rep = null; 
-		Set<Variable> vars = new HashSet<Variable>(); 
-		for (Atom atom: atoms) {
-			atom.getVariables(vars);
-			for (Variable v: vars)
-				if (rep == null || ((Variable) rep).getName().compareTo(v.getName()) > 0)
-					rep = v;
-			vars.clear(); 
-		}
-		if (rep != null) return rep; 
-		
-		Set<Individual> inds = new HashSet<Individual>(); 
-		for (Atom atom: atoms) {
-			atom.getIndividuals(inds);
-			for (Individual i: inds)
-				if (rep == null || ((Individual) rep).getIRI().compareTo(i.getIRI()) > 0)
-					rep = i;
-			inds.clear();
-		}
-		
-		return rep;
-	}
-
-	@Override
-	public boolean isBottomRule(DLClause clause) {
-		return clause.getHeadLength() == 1 && clause.getHeadAtom(0).getDLPredicate().equals(AtomicConcept.NOTHING);
-	}
-
-	public Atom[] getEmptyHead(Term t) {
-		return new Atom[] {Atom.create(AtomicConcept.NOTHING, t)};
-	}
-
-	@Override
-	public int getBottomNumber() {
-		return 1;
-	}
-
-}
-- 
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