public static void main(String[] args) {
YProlog engine = new YProlog();
engine.consult("append([],L,L).");
engine.consult("append([A|B],L,[A|Tail]) :- append(B,L,Tail).");
// String query = "append(X,[c],[a,n(J),cs])" ;
String query = "asserta(a(1))";
String value = engine.queryToString(query);
if (value != null) log.debug(value.toString());
String[] result = engine.queryToTable(query);
if (result != null)
for (int i = 0; i < result.length; i++) log.debug("Result " + i + ":" + result[i]);
Vector results = engine.queryToTable(query, 0, true);
if (results != null)
for (int i = 0; i < results.size(); i++) {
log.debug("Results " + i);
result = (String[]) results.elementAt(i);
for (int j = 0; j < result.length; j++) log.debug("Result" + j + ": " + result[j]);
}
}
public boolean execute(String query) throws InferenceEngineException {
checkEngine();
String result = _engine.queryToString(query);
if (result == null) return false;
else return true;
}