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

Example 1 with CompositeItem

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

the class CollapsePhraseSearcher method simplifyPhrases.

private Item simplifyPhrases(Item root) {
    if (root == null) {
        return root;
    } else if (root instanceof PhraseItem) {
        return collapsePhrase((PhraseItem) root);
    } else if (root instanceof CompositeItem) {
        CompositeItem composite = (CompositeItem) root;
        ListIterator<Item> i = composite.getItemIterator();
        while (i.hasNext()) {
            Item original = i.next();
            Item transformed = simplifyPhrases(original);
            if (original != transformed)
                i.set(transformed);
        }
        return root;
    } else {
        return root;
    }
}

Example 2 with CompositeItem

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

the class LiteralBoostSearcher method addLiterals.

private void addLiterals(RankItem rankTerms, Item item, IndexFacts.Session indexFacts) {
    if (item == null)
        return;
    if (item instanceof NotItem) {
        addLiterals(rankTerms, ((NotItem) item).getPositiveItem(), indexFacts);
    } else if (item instanceof CompositeItem) {
        for (Iterator<Item> i = ((CompositeItem) item).getItemIterator(); i.hasNext(); ) addLiterals(rankTerms, i.next(), indexFacts);
    } else if (item instanceof TermItem) {
        TermItem termItem = (TermItem) item;
        Index index = indexFacts.getIndex(termItem.getIndexName());
        if (index.getLiteralBoost())
            rankTerms.addItem(new WordItem(toLowerCase(termItem.getRawWord()), index.getName() + "_literal"));
    }
}

Example 3 with CompositeItem

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

the class QueryRewrite method rewriteSddocname.

private static Item rewriteSddocname(Item item) {
    if (item instanceof CompositeItem) {
        CompositeItem parent = (CompositeItem) item;
        for (int i = 0, len = parent.getItemCount(); i < len; ++i) {
            Item oldChild = parent.getItem(i);
            Item newChild = rewriteSddocname(oldChild);
            if (oldChild != newChild) {
                parent.setItem(i, newChild);
            }
        }
    } else if (item instanceof SimpleIndexedItem) {
        SimpleIndexedItem oldItem = (SimpleIndexedItem) item;
        if (Hit.SDDOCNAME_FIELD.equals(oldItem.getIndexName())) {
            SubstringItem newItem = new SubstringItem(oldItem.getIndexedString());
            newItem.setIndexName("[documentmetastore]");
            return newItem;
        }
    }
    return item;
}

Example 4 with CompositeItem

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

the class QueryRewrite method collapseSingleComposites.

/**
 * Collapses all single-child {@link CompositeItem}s into their parent item.
 */
public static void collapseSingleComposites(Query query) {
    Item oldRoot = query.getModel().getQueryTree().getRoot();
    Item newRoot = collapseSingleComposites(oldRoot);
    if (oldRoot != newRoot) {
        query.getModel().getQueryTree().setRoot(newRoot);
    }
}

Example 5 with CompositeItem

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

the class SubstringTestCase method testBug5968479.

@Test
public final void testBug5968479() {
    String first = "\u0130\u015EBANKASI";
    String second = "GAZ\u0130EM\u0130R";
    Query q = new Query("/?query=" + enc(first) + "%20" + enc(second));
    CompositeItem root = (CompositeItem) q.getModel().getQueryTree().getRoot();
    assertEquals(first, ((WordItem) root.getItem(0)).getRawWord());
    assertEquals(second, ((WordItem) root.getItem(1)).getRawWord());
}