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.yangtools.yang.model.ri.stmt.impl.eff;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.annotations.Beta;
13 import com.google.common.collect.ImmutableList;
14 import com.google.common.collect.ImmutableMap;
15 import java.util.HashMap;
17 import org.eclipse.jdt.annotation.NonNull;
18 import org.opendaylight.yangtools.yang.common.QName;
19 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
20 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
21 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
22 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
23 import org.opendaylight.yangtools.yang.model.spi.meta.AbstractDeclaredEffectiveStatement.Default;
24 import org.opendaylight.yangtools.yang.model.spi.meta.EffectiveStatementMixins.DataNodeContainerMixin;
25 import org.opendaylight.yangtools.yang.model.spi.meta.SubstatementIndexingException;
28 * Utility class for implementing {@link DataNodeContainer}-type statements.
31 public abstract class AbstractDataNodeContainer<A, D extends DeclaredStatement<A>> extends Default<A, D>
32 implements DataNodeContainerMixin<A, D> {
33 private final @NonNull ImmutableMap<QName, DataSchemaNode> dataChildren;
34 private final @NonNull Object substatements;
36 protected AbstractDataNodeContainer(final D declared,
37 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
39 this.substatements = maskList(substatements);
41 // Note: we do not leak this map, so iteration order does not matter
42 final Map<QName, DataSchemaNode> tmp = new HashMap<>();
44 for (EffectiveStatement<?, ?> stmt : effectiveSubstatements()) {
45 if (stmt instanceof DataSchemaNode) {
46 final DataSchemaNode node = (DataSchemaNode) stmt;
47 final QName id = node.getQName();
48 final DataSchemaNode prev = tmp.put(id, node);
50 throw new SubstatementIndexingException(
51 "Cannot add child with name " + id + ", a conflicting child already exists");
56 dataChildren = ImmutableMap.copyOf(tmp);
60 public final ImmutableList<? extends EffectiveStatement<?, ?>> effectiveSubstatements() {
61 return unmaskList(substatements);
65 public final DataSchemaNode dataChildByName(final QName name) {
66 return dataChildren.get(requireNonNull(name));