[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.

1 files changed, 0 insertions, 52 deletions

diff --git a/src/uk/ac/ox/cs/pagoda/constraints/UpperUnaryBottom.java b/src/uk/ac/ox/cs/pagoda/constraints/UpperUnaryBottom.java
deleted file mode 100644
index 2b57a52..0000000
--- a/src/uk/ac/ox/cs/pagoda/constraints/UpperUnaryBottom.java
+++ /dev/null
@@ -1,52 +0,0 @@
-package uk.ac.ox.cs.pagoda.constraints;
-
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.LinkedList;
-import java.util.Map;
-
-import org.semanticweb.HermiT.model.Atom;
-import org.semanticweb.HermiT.model.AtomicConcept;
-import org.semanticweb.HermiT.model.DLClause;
-import org.semanticweb.HermiT.model.Term;
-import org.semanticweb.HermiT.model.Variable;
-
-public class UpperUnaryBottom extends UnaryBottom {
-        
-        static final Variable X = Variable.create("X"); 
-        
-        Map<DLClause, Integer> number = new HashMap<DLClause, Integer>(); 
-        
-        @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), clause.getBodyAtoms())); 
-                                ret.add(DLClause.create(getEmptyHead(X), getEmptyHead(X, clause))); 
-                        }
-                        else 
-                                ret.add(clause); 
-                return ret;
-        }
-
-        @Override
-        public boolean isBottomRule(DLClause clause) {
-                return clause.getHeadLength() == 1 && clause.getHeadAtom(0).getDLPredicate().toString().contains(AtomicConcept.NOTHING.toString());
-        }
-
-        public Atom[] getEmptyHead(Term t, DLClause clause) {
-                Integer index = number.get(clause); 
-                if (index == null) {
-                        number.put(clause, index = number.size() + 1); 
-                }
-                
-                return new Atom[] {Atom.create(AtomicConcept.create(AtomicConcept.NOTHING.getIRI() + index), t)};
-        }
-        
-        @Override
-        public int getBottomNumber() {
-                return number.size() + 1; 
-        }
-
-}