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.must;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.collect.ImmutableList;
13 import org.eclipse.jdt.annotation.NonNull;
14 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
15 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
16 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
17 import org.opendaylight.yangtools.yang.model.api.stmt.MustEffectiveStatement;
18 import org.opendaylight.yangtools.yang.model.api.stmt.MustStatement;
19 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseStatementSupport;
20 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.XPathSupport;
21 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
22 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
23 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
24 import org.opendaylight.yangtools.yang.xpath.api.YangXPathExpression.QualifiedBound;
26 public final class MustStatementSupport
27 extends BaseStatementSupport<QualifiedBound, MustStatement, MustEffectiveStatement> {
28 private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(YangStmtMapping
30 .addOptional(YangStmtMapping.DESCRIPTION)
31 .addOptional(YangStmtMapping.ERROR_APP_TAG)
32 .addOptional(YangStmtMapping.ERROR_MESSAGE)
33 .addOptional(YangStmtMapping.REFERENCE)
36 private final @NonNull XPathSupport xpathSupport;
38 private MustStatementSupport(final XPathSupport xpathSupport) {
39 // Note: if we end up binding expressions, this needs to become declaredCopy()
40 super(YangStmtMapping.MUST, StatementPolicy.contextIndependent());
41 this.xpathSupport = requireNonNull(xpathSupport);
44 public static MustStatementSupport createInstance(final XPathSupport xpathSupport) {
45 return new MustStatementSupport(xpathSupport);
49 public QualifiedBound parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
50 return xpathSupport.parseXPath(ctx, value);
54 protected SubstatementValidator getSubstatementValidator() {
55 return SUBSTATEMENT_VALIDATOR;
59 protected MustStatement createDeclared(final StmtContext<QualifiedBound, MustStatement, ?> ctx,
60 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
61 return new RegularMustStatement(ctx.getRawArgument(), ctx.getArgument(), substatements);
65 protected MustStatement createEmptyDeclared(final StmtContext<QualifiedBound, MustStatement, ?> ctx) {
66 return new EmptyMustStatement(ctx.getRawArgument(), ctx.getArgument());
70 protected MustEffectiveStatement createEffective(final Current<QualifiedBound, MustStatement> stmt,
71 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
72 return substatements.isEmpty() ? new EmptyMustEffectiveStatement(stmt.declared())
73 : new RegularMustEffectiveStatement(stmt.declared(), substatements);