/** * Clone a clause, cloning any embedded variables. */ private ClauseEntry cloneClause(ClauseEntry clause, Map<Node_RuleVariable, Node> vmap, BindingEnvironment env) { if (clause instanceof TriplePattern) { TriplePattern tp = (TriplePattern)clause; return new TriplePattern ( cloneNode(tp.getSubject(), vmap, env), cloneNode(tp.getPredicate(), vmap, env), cloneNode(tp.getObject(), vmap, env) ); } else { return cloneFunctor((Functor)clause, vmap, env); } }
/** * Clone a clause, cloning any embedded variables. */ private ClauseEntry cloneClause(ClauseEntry clause, Map<Node_RuleVariable, Node> vmap, BindingEnvironment env) { if (clause instanceof TriplePattern) { TriplePattern tp = (TriplePattern)clause; return new TriplePattern ( cloneNode(tp.getSubject(), vmap, env), cloneNode(tp.getPredicate(), vmap, env), cloneNode(tp.getObject(), vmap, env) ); } else { return cloneFunctor((Functor)clause, vmap, env); } }
/** * Clone a functor, cloning any embedded variables. */ private Functor cloneFunctor(Functor f, Map<Node_RuleVariable, Node> vmap, BindingEnvironment env) { Node[] args = f.getArgs(); Node[] cargs = new Node[args.length]; for (int i = 0; i < args.length; i++) { cargs[i] = cloneNode(args[i], vmap, env); } Functor fn = new Functor(f.getName(), cargs, f.getImplementor()); fn.setImplementor(f.getImplementor()); return fn; }
/** * Clone a functor, cloning any embedded variables. */ private Functor cloneFunctor(Functor f, Map<Node_RuleVariable, Node> vmap, BindingEnvironment env) { Node[] args = f.getArgs(); Node[] cargs = new Node[args.length]; for (int i = 0; i < args.length; i++) { cargs[i] = cloneNode(args[i], vmap, env); } Functor fn = new Functor(f.getName(), cargs, f.getImplementor()); fn.setImplementor(f.getImplementor()); return fn; }