2 * Copyright (c) 2015 Cisco Systems, Inc. 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.stmt.rfc6020;
10 import com.google.common.base.Preconditions;
11 import com.google.common.collect.ImmutableSet;
12 import com.google.common.collect.ImmutableSet.Builder;
13 import java.util.Collection;
14 import org.opendaylight.yangtools.yang.model.api.Rfc6020Mapping;
15 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
16 import org.opendaylight.yangtools.yang.model.api.stmt.KeyStatement;
17 import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier;
18 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractDeclaredStatement;
19 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
20 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
21 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
22 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.KeyEffectiveStatementImpl;
24 public class KeyStatementImpl extends AbstractDeclaredStatement<Collection<SchemaNodeIdentifier>> implements
27 protected KeyStatementImpl(final StmtContext<Collection<SchemaNodeIdentifier>, KeyStatement, ?> context) {
31 public static class Definition
33 AbstractStatementSupport<Collection<SchemaNodeIdentifier>, KeyStatement, EffectiveStatement<Collection<SchemaNodeIdentifier>, KeyStatement>> {
36 super(Rfc6020Mapping.KEY);
40 public Collection<SchemaNodeIdentifier> parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
41 final Builder<SchemaNodeIdentifier> builder = ImmutableSet.builder();
43 for (String keyToken : StmtContextUtils.LIST_KEY_SPLITTER.split(value)) {
44 builder.add(SchemaNodeIdentifier.create(false, Utils.qNameFromArgument(ctx, keyToken)));
48 // Throws NPE on nulls, retains first inserted value, cannot be modified
49 final Collection<SchemaNodeIdentifier> ret = builder.build();
51 Preconditions.checkArgument(ret.size() == tokens, "Key argument '%s' contains duplicates", value);
56 public KeyStatement createDeclared(final StmtContext<Collection<SchemaNodeIdentifier>, KeyStatement, ?> ctx) {
57 return new KeyStatementImpl(ctx);
61 public EffectiveStatement<Collection<SchemaNodeIdentifier>, KeyStatement> createEffective(
62 final StmtContext<Collection<SchemaNodeIdentifier>, KeyStatement, EffectiveStatement<Collection<SchemaNodeIdentifier>, KeyStatement>> ctx) {
63 return new KeyEffectiveStatementImpl(ctx);