public CompoundFact copy(CompoundFact fact) throws ParserException { // FIXME reliance on toString() MembershipMolecule mm = null; MoleculeFact mf = (MoleculeFact) fact; // FIXME handle relation facts); if (mf.listMembershipMolecules().size() > 0) mm = (MembershipMolecule) leFactory.createLogicalExpression( mf.listMembershipMolecules().iterator().next().toString()); Set<AttributeValueMolecule> avms = new HashSet<AttributeValueMolecule>(); for (AttributeValueMolecule avm : mf.listAttributeValueMolecules()) { avms.add((AttributeValueMolecule) leFactory.createLogicalExpression(avm.toString())); } // TODO write this more elegant once factory convenience creators are fixed Set<MembershipMolecule> mms = new HashSet<MembershipMolecule>(); if (mf.listMembershipMolecules().size() > 0) mms.add(mm); return cFactory.facts.createMoleculeFact(mms, avms); }