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.binding.dom.adapter.query;
10 import static java.util.Objects.requireNonNull;
12 import org.eclipse.jdt.annotation.NonNull;
13 import org.opendaylight.mdsal.binding.api.query.ValueMatch;
14 import org.opendaylight.mdsal.binding.api.query.ValueMatchBuilder;
15 import org.opendaylight.mdsal.binding.dom.adapter.query.QueryBuilderState.BoundMethod;
16 import org.opendaylight.mdsal.dom.api.query.DOMQueryPredicate;
17 import org.opendaylight.mdsal.dom.api.query.DOMQueryPredicate.Exists;
18 import org.opendaylight.mdsal.dom.api.query.DOMQueryPredicate.ValueEquals;
19 import org.opendaylight.yangtools.yang.binding.DataObject;
20 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
21 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
22 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
24 abstract class AbstractValueMatchBuilder<T extends DataObject, V> implements ValueMatchBuilder<T, V> {
25 private final QueryBuilderState builder;
26 private final InstanceIdentifier<T> select;
27 private final BoundMethod method;
29 AbstractValueMatchBuilder(final QueryBuilderState builder, final InstanceIdentifier<T> select,
30 final BoundMethod method) {
31 this.builder = requireNonNull(builder);
32 this.select = requireNonNull(select);
33 this.method = requireNonNull(method);
37 public final ValueMatch<T> nonNull() {
38 return withPredicate(new Exists(relativePath()));
42 public final ValueMatch<T> isNull() {
43 return withPredicate(new Exists(relativePath()).negate());
47 public final ValueMatch<T> valueEquals(final V value) {
48 return withPredicate(new ValueEquals<>(relativePath(), value));
51 final YangInstanceIdentifier relativePath() {
52 return method.parentPath.node(((DataSchemaNode) method.methodCodec.getSchema()).getQName());
55 final @NonNull ValueMatch<T> withPredicate(final DOMQueryPredicate predicate) {
56 // FIXME: this does not quite take value codec into account :(
57 builder.addPredicate(predicate);
58 return new DefaultValueMatch<>(builder, select);