2 * Copyright (c) 2020 PANTHEON.tech, s.r.o. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.mdsal.dom.api.query;
10 import com.google.common.annotations.Beta;
11 import com.google.common.collect.ImmutableList;
12 import java.util.List;
13 import java.util.Map.Entry;
14 import java.util.stream.Collectors;
15 import java.util.stream.Stream;
16 import java.util.stream.StreamSupport;
17 import org.eclipse.jdt.annotation.NonNullByDefault;
18 import org.opendaylight.yangtools.concepts.Immutable;
19 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
20 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
23 * An object holding the results of a {@link DOMQuery} execution.
27 public interface DOMQueryResult extends Iterable<Entry<YangInstanceIdentifier, NormalizedNode>>, Immutable {
29 default Stream<Entry<YangInstanceIdentifier, NormalizedNode>> stream() {
30 return StreamSupport.stream(spliterator(), false);
33 default Stream<Entry<YangInstanceIdentifier, NormalizedNode>> parallelStream() {
34 return StreamSupport.stream(spliterator(), true);
37 default List<? extends Entry<YangInstanceIdentifier, NormalizedNode>> items() {
38 return stream().collect(Collectors.toUnmodifiableList());
41 static DOMQueryResult of() {
42 return SimpleDOMQueryResult.EMPTY_INSTANCE;
45 static DOMQueryResult of(final Entry<YangInstanceIdentifier, NormalizedNode> item) {
46 return new SimpleDOMQueryResult(ImmutableList.of(item));
49 static DOMQueryResult of(final List<Entry<YangInstanceIdentifier, NormalizedNode>> items) {
50 return items.isEmpty() ? of() : new SimpleDOMQueryResult(items);