Examples with AnyParser com.yahoo.prelude.query.parser.AnyParser used on opensource projects

Example 1 with AnyParser

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

the class RecallSearcher method search.

@Override
public com.yahoo.search.Result search(Query query, Execution execution) {
    String recall = query.properties().getString(recallName);
    if (recall == null)
        return execution.search(query);
    AnyParser parser = new AnyParser(ParserEnvironment.fromExecutionContext(execution.context()));
    QueryTree root = parser.parse(Parsable.fromQueryModel(query.getModel()).setQuery("foo").setFilter(recall));
    String err;
    if (root.getRoot() instanceof NullItem) {
        err = "Failed to parse recall parameter.";
    } else if (!(root.getRoot() instanceof CompositeItem)) {
        err = "Expected CompositeItem root node, got " + root.getClass().getSimpleName() + ".";
    } else if (hasRankItem(root.getRoot())) {
        query.getModel().getQueryTree().setRoot(root.getRoot());
        err = "Recall contains at least one rank item.";
    } else {
        WordItem placeholder = findOrigWordItem(root.getRoot(), "foo");
        if (placeholder == null) {
            err = "Could not find placeholder workQuery root.";
        } else {
            updateFilterTerms(root);
            CompositeItem parent = placeholder.getParent();
            parent.setItem(parent.getItemIndex(placeholder), query.getModel().getQueryTree().getRoot());
            query.getModel().getQueryTree().setRoot(root.getRoot());
            query.trace("ANDed recall tree with root workQuery node.", true, 3);
            return execution.search(query);
        }
    }
    return new Result(query, ErrorMessage.createInvalidQueryParameter(err));
}