/** Encoding of a node so it can be reconstructed */
public static String serialize(Node n, String base, PrefixMap prefixMap) {
// See also Nodec.
// See also OutputLangUtils - merge and this is a buffering call.
if (n == null) return "<<null>>";
if (n.isBlank()) {
String str = n.getBlankNodeLabel();
// c.f. OutputLangUtils
if (onlySafeBNodeLabels) str = safeBNodeLabel(str);
return "_:" + str;
}
if (n.isLiteral()) return FmtUtils.stringForLiteral((Node_Literal) n, null);
if (n.isURI()) {
String uri = n.getURI();
return stringForURI(uri, base, prefixMap);
}
// Safe name?
if (n.isVariable()) return "?" + n.getName();
//
// if ( n.equals(Node.ANY) )
// return "ANY" ;
throw new TDBException("Failed to turn a node into a string: " + n);
// return null ;
}
private SWRLIndividualObject makeIndividalObject(final Node node) throws URISyntaxException {
if (node.isVariable()) {
final SWRLIndividualVariable var =
swrlFactory.createIndividualVariable(new URI(varNS + node.getName()));
vars.put(node.toString(), var);
return var;
}
final OWLIndividual ind = owlModel.createIndividual(null, new URI(node.getURI()));
return swrlFactory.wrapIndividual(ind);
}
private SWRLDataObject makeDataObject(final Node node) throws URISyntaxException {
if (node.isVariable()) {
final SWRLDataVariable var =
swrlFactory.createDataVariable(new URI(varNS + node.getName()));
vars.put(node.toString(), var);
return var;
}
final OWLDataValue value =
new OWLDataValueImpl(new LiteralImpl(node, (EnhGraph) owlModel.getImplementation()));
return swrlFactory.wrapDataValue(value);
}
@Override
public List<Context> apply(Context in) {
Map<String, Node> oldBinds = in.getTyped(ContextKey.BINDINGS_KEY.toString());
Map<String, Node> newBinds = new HashMap<String, Node>();
newBinds.putAll(oldBinds);
for (Node n : this.funcs.keySet()) {
BaseValueFunction valFunc = this.funcs.get(n);
List<Context> processedList = valFunc.apply(in);
Context processed = processedList.get(0);
Map<String, Node> processedBinds = processed.getTyped(ContextKey.BINDINGS_KEY.toString());
newBinds.put(n.getName(), processedBinds.get(valFunc.getResultVarNode().getName()));
}
Context populatedIn = new Context();
populatedIn.putAll(in);
populatedIn.put(ContextKey.BINDINGS_KEY.toString(), newBinds);
return applyRoot(populatedIn);
}
public void addIfVariable(Node possibleVariable, NodeMaker nodeMaker, AliasMap aliases) {
if (!possibleVariable.isVariable()) return;
add(possibleVariable.getName(), nodeMaker, aliases);
}
private static Node generateCountableNode(int count, Node node1, Node node2) {
if (node2 == node1 && node2.isVariable()) {
node2 = Var.alloc(node2.getName() + "_" + count);
}
return node2;
}