Examples with Item org.apache.jena.sparql.sse.Item used on opensource projects

Example 61 with Item

use of org.apache.jena.sparql.sse.Item in project jena by apache.

the class StatsMatcher method onePattern.

private void onePattern(Item elt) {
    Item pat = elt.getList().get(0);
    if (pat.isNode()) {
        // (<uri> weight)
        Node n = pat.getNode();
        if (!n.isURI()) {
            log.warn("Not a preicate URI: " + pat.toString());
            return;
        }
        addAbbreviation(elt);
    } else if (pat.isSymbol()) {
        if (pat.equals(OTHER)) {
            double d = elt.getList().get(1).getDouble();
            DefaultMatch = d;
            return;
        }
        if (pat.equals(BNODE) || pat.equals(LITERAL)) {
            log.warn("Not a match for a predicate URI: " + pat.toString());
            return;
        }
        if (pat.equals(TERM) || pat.equals(VAR) || pat.equals(ANY))
            addAbbreviation(elt);
        else {
            log.warn("Not understood: " + pat);
            return;
        }
    } else if (pat.isList() && pat.getList().size() == 3) {
        // It's of the form ((S P O) weight)
        Item w = elt.getList().get(1);
        Pattern pattern = new Pattern(((Number) (w.getNode().getLiteralValue())).doubleValue(), intern(pat.getList().get(0)), intern(pat.getList().get(1)), intern(pat.getList().get(2)));
        addPattern(pattern);
    } else {
        log.warn("Unrecognized pattern: " + pat);
    }
}

Example 62 with Item

use of org.apache.jena.sparql.sse.Item in project jena by apache.

the class StatsMatcher method addAbbreviation.

private void addAbbreviation(Item elt) {
    Item predicateTerm = elt.getList().get(0);
    // Single node - it's a predicate abbreviate.
    double numProp = elt.getList().get(1).getDouble();
    if (count < 100)
        addPatternsSmall(predicateTerm, numProp);
    else
        addPatterns(predicateTerm, numProp);
}

Example 63 with Item

use of org.apache.jena.sparql.sse.Item in project jena by apache.

the class ParseHandlerResolver method emitPName.

@Override
public void emitPName(int line, int column, String pname) {
    if (inFormDecl()) {
        // Record a faked PName.  Works with BuilderPrefixMapping
        Item item = Item.createSymbol(pname, line, column);
        listAdd(item);
        return;
    }
    String iriStr = resolvePrefixedName(pname, line, column);
    super.emitIRI(line, column, iriStr);
}

Example 64 with Item

use of org.apache.jena.sparql.sse.Item in project jena by apache.

the class BuilderPath method build.

private Path build(ItemList list) {
    Item head = list.get(0);
    if (!head.isSymbol())
        return build(head);
    String tag = head.getSymbol();
    Build bob = findBuild(tag);
    if (bob != null)
        return bob.make(list);
    else
        BuilderLib.broken(head, "Unrecognized path operation: " + tag);
    return null;
}

Example 65 with Item

use of org.apache.jena.sparql.sse.Item in project jena by apache.

the class BuilderExpr method buildExprListUntagged.

private static ExprList buildExprListUntagged(ItemList list, int idx) {
    ExprList exprList = new ExprList();
    for (int i = idx; i < list.size(); i++) {
        Item item = list.get(i);
        exprList.add(buildExpr(item));
    }
    return exprList;
}