@Override
public final NodeValue exec(List<NodeValue> args) {
if (args == null)
// The contract on the function interface is that this should not happen.
throw new ARQInternalErrorException("Function '" + Utils.className(this) + " Null args list");
if (args.size() != 0)
throw new ExprEvalException(
"Function '" + Utils.className(this) + " Wanted 0, got " + args.size());
return exec();
}
public static void main(String[] a) throws Exception {
System.out.println("ARQ Example: " + Utils.classShortName(ExLucene3.class));
System.out.println("ARQ: " + ARQ.VERSION);
System.out.println();
Model model = ModelFactory.createDefaultModel();
IndexLARQ index = buildTitleIndex(model, "src/test/resources/LARQ/data-1.ttl");
// Search for string
String searchString = "+document";
// This time, find documents with a matching DC title.
String queryString =
StrUtils.strjoin(
"\n",
"PREFIX pf: <http://jena.hpl.hp.com/ARQ/property#>",
"PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>",
"PREFIX dc: <http://purl.org/dc/elements/1.1/>",
"PREFIX : <http://example/>",
"SELECT ?title {",
" ?title pf:textMatch '" + searchString + "'.",
"}");
// Two of three documents should match.
ExLucene1.performQuery(model, index, queryString);
index.close();
}
@Override
protected void details(IndentedWriter out, SerializationContext sCxt) {
out.println(Utils.className(this));
out.incIndent();
op.output(out, sCxt);
out.decIndent();
}
public boolean equiv(BasicPattern other, NodeIsomorphismMap isoMap) {
if (this.triples.size() != other.triples.size()) return false;
for (int i = 0; i < this.triples.size(); i++) {
Triple t1 = get(i);
Triple t2 = other.get(i);
if (!Utils.tripleIso(t1, t2, isoMap)) return false;
}
return true;
}
public boolean equiv(PathBlock other, NodeIsomorphismMap isoMap) {
if (this.triplePaths.size() != other.triplePaths.size()) return false;
for (int i = 0; i < this.triplePaths.size(); i++) {
TriplePath tp1 = get(i);
TriplePath tp2 = other.get(i);
if (!Utils.triplePathIso(tp1, tp2, isoMap)) return false;
}
return true;
}
@Override
public boolean equals(Object other) {
if (this == other) return true;
if (!(other instanceof SortCondition)) return false;
SortCondition sc = (SortCondition) other;
if (sc.getDirection() != this.getDirection()) return false;
if (!Utils.equal(this.getExpression(), sc.getExpression())) return false;
// if ( ! Utils.eq(this.getVariable(), sc.getVariable()) )
// return false ;
return true;
}
// Do better
@Override
public void output(IndentedWriter out, SerializationContext sCxt) {
out.println(Utils.className(this));
out.incIndent();
out.print(Plan.startMarker);
out.incIndent();
getLeft().output(out, sCxt);
out.decIndent();
// out.ensureStartOfLine() ;
out.println(Plan.finishMarker);
out.print(Plan.startMarker);
out.incIndent();
getRight().output(out, sCxt);
out.decIndent();
// out.ensureStartOfLine() ;
out.println(Plan.finishMarker);
out.decIndent();
}
@Override
protected String getCommandName() {
return Utils.className(this);
}
@Override
public void checkBuild(String uri, ExprList args) {
if (args.size() != 0)
throw new QueryBuildException("Function '" + Utils.className(this) + "' takes no arguments");
}
protected void details(IndentedWriter out, SerializationContext sCxt) {
out.println(Utils.className(this));
}
@Override
public boolean equalTo(Path path2, NodeIsomorphismMap isoMap) {
if (!(path2 instanceof P_ReverseLink)) return false;
P_ReverseLink other = (P_ReverseLink) path2;
return Utils.nodeIso(node, other.node, isoMap);
}
@Override
protected String getCommandName() {
return Utils.classShortName(riot.class);
}
