public static PropFuncArg substitute(PropFuncArg propFuncArg, Binding binding) {
if (isNotNeeded(binding)) return propFuncArg;
if (propFuncArg.isNode()) return new PropFuncArg(substitute(propFuncArg.getArg(), binding));
List<Node> newArgList = new ArrayList<Node>();
for (Node n : propFuncArg.getArgList()) newArgList.add(substitute(n, binding));
return new PropFuncArg(newArgList);
}
@Override
public void build(
PropFuncArg argSubject, Node predicate, PropFuncArg argObject, ExecutionContext execCxt) {
super.build(argSubject, predicate, argObject, execCxt);
if (!argSubject.isNode())
throw new QueryBuildException("Subject is not a single node: " + argSubject);
if (argObject.isList()) {
List<Node> list = argObject.getArgList();
if (list.size() < 4) throw new QueryBuildException("Not enough arguments in list");
if (list.size() > 5) throw new QueryBuildException("Too many arguments in list : " + list);
}
}
/** Deconstruct the node or list object argument and make a SpatialMatch */
@Override
protected SpatialMatch objectToStruct(PropFuncArg argObject) {
if (argObject.isNode()) {
log.warn("Object not a List: " + argObject);
return null;
}
List<Node> list = argObject.getArgList();
if (list.size() < 4 || list.size() > 5)
throw new SpatialIndexException("Change in object list size");
int idx = 0;
Node x = list.get(idx);
if (!x.isLiteral()) {
log.warn("Latitude 1 is not a literal " + list);
return null;
}
if (!SpatialValueUtil.isDecimal(x.getLiteral())) {
log.warn("Latitude 1 is not a decimal " + list);
return null;
}
Double latitude1 = Double.parseDouble(x.getLiteralLexicalForm());
idx++;
x = list.get(idx);
if (!x.isLiteral()) {
log.warn("Longitude 1 is not a literal " + list);
return null;
}
if (!SpatialValueUtil.isDecimal(x.getLiteral())) {
log.warn("Longitude 1 is not a decimal " + list);
return null;
}
Double longtitude1 = Double.parseDouble(x.getLiteralLexicalForm());
idx++;
x = list.get(idx);
if (!x.isLiteral()) {
log.warn("Latitude 2 is not a literal " + list);
return null;
}
if (!SpatialValueUtil.isDecimal(x.getLiteral())) {
log.warn("Latitude 2 is not a decimal " + list);
return null;
}
Double latitude2 = Double.parseDouble(x.getLiteralLexicalForm());
idx++;
x = list.get(idx);
if (!x.isLiteral()) {
log.warn("Longitude 2 is not a literal " + list);
return null;
}
if (!SpatialValueUtil.isDecimal(x.getLiteral())) {
log.warn("Longitude 2 is not a decimal " + list);
return null;
}
Double longtitude2 = Double.parseDouble(x.getLiteralLexicalForm());
idx++;
int limit = -1;
if (idx < list.size()) {
x = list.get(idx);
if (!x.isLiteral()) {
log.warn("Limit is not a literal " + list);
return null;
}
LiteralLabel lit = x.getLiteral();
if (!XSDDatatype.XSDinteger.isValidLiteral(lit)) {
log.warn("Limit is not an integer " + list);
return null;
}
int v = NodeFactoryExtra.nodeToInt(x);
limit = (v < 0) ? -1 : v;
idx++;
if (idx < list.size()) {
log.warn("Limit is not the last parameter " + list);
return null;
}
}
SpatialMatch match =
new SpatialMatch(
latitude1, longtitude1, latitude2, longtitude2, limit, getSpatialOperation());
if (log.isDebugEnabled()) log.debug("Trying SpatialMatch: " + match.toString());
return match;
}