2 * Copyright (c) 2017 Pantheon Technologies, 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.parser.rfc7950.stmt.key;
10 import com.google.common.collect.ImmutableSet;
11 import com.google.common.collect.ImmutableSet.Builder;
12 import java.util.Collection;
13 import org.opendaylight.yangtools.yang.common.QName;
14 import org.opendaylight.yangtools.yang.common.QNameModule;
15 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
16 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
17 import org.opendaylight.yangtools.yang.model.api.stmt.KeyStatement;
18 import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier;
19 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
20 import org.opendaylight.yangtools.yang.parser.spi.meta.QNameCacheNamespace;
21 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
22 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
23 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
24 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
26 public final class KeyStatementSupport
27 extends AbstractStatementSupport<Collection<SchemaNodeIdentifier>, KeyStatement,
28 EffectiveStatement<Collection<SchemaNodeIdentifier>, KeyStatement>> {
29 private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
33 public KeyStatementSupport() {
34 super(YangStmtMapping.KEY);
38 public Collection<SchemaNodeIdentifier> parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
39 final Builder<SchemaNodeIdentifier> builder = ImmutableSet.builder();
41 for (String keyToken : StmtContextUtils.LIST_KEY_SPLITTER.split(value)) {
42 builder.add(SchemaNodeIdentifier.SAME.createChild(StmtContextUtils.qnameFromArgument(ctx, keyToken)));
46 // Throws NPE on nulls, retains first inserted value, cannot be modified
47 final Collection<SchemaNodeIdentifier> ret = builder.build();
48 SourceException.throwIf(ret.size() != tokens, ctx.getStatementSourceReference(),
49 "Key argument '%s' contains duplicates", value);
54 public Collection<SchemaNodeIdentifier> adaptArgumentValue(
55 final StmtContext<Collection<SchemaNodeIdentifier>, KeyStatement,
56 EffectiveStatement<Collection<SchemaNodeIdentifier>, KeyStatement>> ctx,
57 final QNameModule targetModule) {
58 final Builder<SchemaNodeIdentifier> builder = ImmutableSet.builder();
59 boolean replaced = false;
60 for (final SchemaNodeIdentifier arg : ctx.getStatementArgument()) {
61 final QName qname = arg.getLastComponent();
62 if (!targetModule.equals(qname.getModule())) {
63 final QName newQname = ctx.getFromNamespace(QNameCacheNamespace.class,
64 QName.create(targetModule, qname.getLocalName()));
65 builder.add(SchemaNodeIdentifier.SAME.createChild(newQname));
72 // This makes sure we reuse the collection when a grouping is
73 // instantiated in the same module
74 return replaced ? builder.build() : ctx.getStatementArgument();
78 public KeyStatement createDeclared(final StmtContext<Collection<SchemaNodeIdentifier>, KeyStatement, ?> ctx) {
79 return new KeyStatementImpl(ctx);
83 public EffectiveStatement<Collection<SchemaNodeIdentifier>, KeyStatement> createEffective(
84 final StmtContext<Collection<SchemaNodeIdentifier>, KeyStatement,
85 EffectiveStatement<Collection<SchemaNodeIdentifier>, KeyStatement>> ctx) {
86 return new KeyEffectiveStatementImpl(ctx);
90 protected SubstatementValidator getSubstatementValidator() {
91 return SUBSTATEMENT_VALIDATOR;