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.spi.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.Spliterator;
15 import java.util.stream.Stream;
16 import org.eclipse.jdt.annotation.NonNullByDefault;
17 import org.opendaylight.mdsal.dom.api.query.DOMQueryResult;
18 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
19 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
23 public final class EagerDOMQueryResult implements DOMQueryResult {
24 private static final EagerDOMQueryResult EMPTY_INSTANCE = new EagerDOMQueryResult(ImmutableList.of());
26 private final ImmutableList<? extends Entry<YangInstanceIdentifier, NormalizedNode<?, ?>>> items;
28 private EagerDOMQueryResult(final List<? extends Entry<YangInstanceIdentifier, NormalizedNode<?, ?>>> items) {
29 this.items = ImmutableList.copyOf(items);
32 public static EagerDOMQueryResult of() {
33 return EMPTY_INSTANCE;
36 public static EagerDOMQueryResult of(final Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> item) {
37 return new EagerDOMQueryResult(ImmutableList.of(item));
40 public static EagerDOMQueryResult of(
41 final List<? extends Entry<YangInstanceIdentifier, NormalizedNode<?, ?>>> items) {
42 return items.isEmpty() ? of() : new EagerDOMQueryResult(items);
46 public Spliterator<? extends Entry<YangInstanceIdentifier, NormalizedNode<?, ?>>> spliterator() {
47 return items.spliterator();
51 public Stream<? extends Entry<YangInstanceIdentifier, NormalizedNode<?, ?>>> stream() {
52 return items.stream();
56 public Stream<? extends Entry<YangInstanceIdentifier, NormalizedNode<?, ?>>> parallelStream() {
57 return items.parallelStream();
61 public List<? extends Entry<YangInstanceIdentifier, NormalizedNode<?, ?>>> items() {