Examples with Item com.yahoo.prelude.query.Item used on opensource projects

Example 21 with Item

use of com.yahoo.prelude.query.Item in project vespa by vespa-engine.

the class SegmentSubstitutionTestCase method testSubstitutionAndNot.

public void testSubstitutionAndNot() {
    Item a = parseQuery("-firstsecond bc");
    Query q = new Query("?query=ignored&tracelevel=0&tracelevel.rules=0");
    q.getModel().getQueryTree().setRoot(a);
    assertSemantics("+bc -\"first third\"", q);
}

Example 22 with Item

use of com.yahoo.prelude.query.Item in project vespa by vespa-engine.

the class SegmentSubstitutionTestCase method testBasicSubstitution.

public void testBasicSubstitution() {
    Item a = parseQuery("firstsecond");
    Query q = new Query("?query=ignored&tracelevel=0&tracelevel.rules=0");
    q.getModel().getQueryTree().setRoot(a);
    assertSemantics("\"first third\"", q);
}

Example 23 with Item

use of com.yahoo.prelude.query.Item in project vespa by vespa-engine.

the class TextSerialize method parse.

public static Item parse(String serializedQuery) {
    try {
        ItemContext context = new ItemContext();
        Object result = new Parser(new StringReader(serializedQuery.replace("'", "\"")), new ItemFormHandler(), context).start();
        context.connectItems();
        if (!(result instanceof Item)) {
            throw new RuntimeException("The serialized query '" + serializedQuery + "' did not evaluate to an Item" + "(type = " + result.getClass() + ")");
        }
        return (Item) result;
    } catch (ParseException e) {
        throw new RuntimeException(e);
    } catch (TokenMgrError e) {
        throw new RuntimeException(e);
    }
}

Example 24 with Item

use of com.yahoo.prelude.query.Item in project vespa by vespa-engine.

the class Model method prepareRankFeaturesFromModel.

private void prepareRankFeaturesFromModel(Ranking ranking) {
    Item root = getQueryTree().getRoot();
    if (root != null) {
        List<Item> tagged = setUniqueIDs(root);
        addLabels(tagged, ranking);
        addConnectivityRankProperties(tagged, ranking);
        addSignificances(tagged, ranking);
    }
}

Example 25 with Item

use of com.yahoo.prelude.query.Item in project vespa by vespa-engine.

the class Model method addSignificances.

private void addSignificances(List<Item> candidates, Ranking ranking) {
    for (Item candidate : candidates) {
        TaggableItem t = (TaggableItem) candidate;
        if (!t.hasExplicitSignificance())
            continue;
        String name = "vespa.term." + t.getUniqueID() + ".significance";
        ranking.getProperties().put(name, String.valueOf(t.getSignificance()));
    }
}