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.leaf_list;
10 import com.google.common.collect.ImmutableList;
11 import com.google.common.collect.ImmutableSet;
12 import java.util.Optional;
13 import org.opendaylight.yangtools.yang.common.QName;
14 import org.opendaylight.yangtools.yang.model.api.ElementCountConstraint;
15 import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
16 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
17 import org.opendaylight.yangtools.yang.model.api.Status;
18 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
19 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
20 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
21 import org.opendaylight.yangtools.yang.model.api.stmt.DefaultEffectiveStatement;
22 import org.opendaylight.yangtools.yang.model.api.stmt.LeafListEffectiveStatement;
23 import org.opendaylight.yangtools.yang.model.api.stmt.LeafListStatement;
24 import org.opendaylight.yangtools.yang.model.api.stmt.OrderedByEffectiveStatement;
25 import org.opendaylight.yangtools.yang.model.api.stmt.OrderedByStatement.Ordering;
26 import org.opendaylight.yangtools.yang.model.api.stmt.StatusEffectiveStatement;
27 import org.opendaylight.yangtools.yang.model.api.stmt.TypeEffectiveStatement;
28 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseSchemaTreeStatementSupport;
29 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.EffectiveStatementMixins.EffectiveStatementWithFlags.FlagsBuilder;
30 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.EffectiveStmtUtils;
31 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
32 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
34 abstract class AbstractLeafListStatementSupport
35 extends BaseSchemaTreeStatementSupport<LeafListStatement, LeafListEffectiveStatement> {
36 AbstractLeafListStatementSupport() {
37 super(YangStmtMapping.LEAF_LIST);
41 protected final LeafListStatement createDeclared(final StmtContext<QName, LeafListStatement, ?> ctx,
42 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
43 return new RegularLeafListStatement(ctx.coerceStatementArgument(), substatements);
47 protected final LeafListStatement createEmptyDeclared(final StmtContext<QName, LeafListStatement, ?> ctx) {
48 return new EmptyLeafListStatement(ctx.coerceStatementArgument());
52 protected final LeafListEffectiveStatement createEffective(
53 final StmtContext<QName, LeafListStatement, LeafListEffectiveStatement> ctx,
54 final LeafListStatement declared,
55 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
56 final TypeEffectiveStatement<?> typeStmt = SourceException.throwIfNull(
57 findFirstStatement(substatements, TypeEffectiveStatement.class), ctx.getStatementSourceReference(),
58 "Leaf-list is missing a 'type' statement");
60 final SchemaPath path = ctx.getSchemaPath().get();
61 final LeafListSchemaNode original = (LeafListSchemaNode) ctx.getOriginalCtx()
62 .map(StmtContext::buildEffective).orElse(null);
64 final int flags = new FlagsBuilder()
65 .setHistory(ctx.getCopyHistory())
66 .setStatus(findFirstArgument(substatements, StatusEffectiveStatement.class, Status.CURRENT))
67 .setConfiguration(ctx.isConfiguration())
68 .setUserOrdered(findFirstArgument(substatements, OrderedByEffectiveStatement.class, Ordering.SYSTEM)
69 .equals(Ordering.USER))
71 final ImmutableSet<String> defaultValues = substatements.stream()
72 .filter(DefaultEffectiveStatement.class::isInstance)
73 .map(DefaultEffectiveStatement.class::cast)
74 .map(DefaultEffectiveStatement::argument)
75 .collect(ImmutableSet.toImmutableSet());
77 // FIXME: We need to interpret the default value in terms of supplied element type
78 SourceException.throwIf(
79 EffectiveStmtUtils.hasDefaultValueMarkedWithIfFeature(ctx.getRootVersion(), typeStmt, defaultValues),
80 ctx.getStatementSourceReference(),
81 "Leaf-list '%s' has one of its default values '%s' marked with an if-feature statement.",
82 ctx.getStatementArgument(), defaultValues);
84 // FIXME: RFC7950 section 7.7.4: we need to check for min-elements and defaultValues conflict
86 final Optional<ElementCountConstraint> elementCountConstraint =
87 EffectiveStmtUtils.createElementCountConstraint(substatements);
89 if (defaultValues.isEmpty()) {
90 return original == null && !elementCountConstraint.isPresent()
91 ? new EmptyLeafListEffectiveStatement(declared, path, flags, substatements)
92 : new SlimLeafListEffectiveStatement(declared, path, flags, substatements, original,
93 elementCountConstraint.orElse(null));
96 return new RegularLeafListEffectiveStatement(declared, path, flags, substatements, original, defaultValues,
97 elementCountConstraint.orElse(null));
101 protected final LeafListEffectiveStatement createEmptyEffective(
102 final StmtContext<QName, LeafListStatement, LeafListEffectiveStatement> ctx,
103 final LeafListStatement declared) {
104 throw new UnsupportedOperationException("Leaf statements must have at least one substatement");