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.Ordering;
14 import org.opendaylight.yangtools.yang.common.QName;
15 import org.opendaylight.yangtools.yang.model.api.ElementCountConstraint;
16 import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
17 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
18 import org.opendaylight.yangtools.yang.model.api.Status;
19 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
20 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
21 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
22 import org.opendaylight.yangtools.yang.model.api.stmt.DefaultEffectiveStatement;
23 import org.opendaylight.yangtools.yang.model.api.stmt.LeafListEffectiveStatement;
24 import org.opendaylight.yangtools.yang.model.api.stmt.LeafListStatement;
25 import org.opendaylight.yangtools.yang.model.api.stmt.OrderedByEffectiveStatement;
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.EffectiveStmtCtx.Current;
32 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
33 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
35 abstract class AbstractLeafListStatementSupport
36 extends BaseSchemaTreeStatementSupport<LeafListStatement, LeafListEffectiveStatement> {
37 AbstractLeafListStatementSupport() {
38 super(YangStmtMapping.LEAF_LIST, CopyPolicy.DECLARED_COPY);
42 protected final LeafListStatement createDeclared(final StmtContext<QName, LeafListStatement, ?> ctx,
43 final ImmutableList<? extends DeclaredStatement<?>> substatements) {
44 return new RegularLeafListStatement(ctx.getArgument(), substatements);
48 protected final LeafListStatement createEmptyDeclared(final StmtContext<QName, LeafListStatement, ?> ctx) {
49 return new EmptyLeafListStatement(ctx.getArgument());
53 protected LeafListEffectiveStatement createEffective(final Current<QName, LeafListStatement> stmt,
54 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
55 final TypeEffectiveStatement<?> typeStmt = SourceException.throwIfNull(
56 findFirstStatement(substatements, TypeEffectiveStatement.class), stmt,
57 "Leaf-list is missing a 'type' statement");
59 final LeafListSchemaNode original = (LeafListSchemaNode) stmt.original();
61 final int flags = new FlagsBuilder()
62 .setHistory(stmt.history())
63 .setStatus(findFirstArgument(substatements, StatusEffectiveStatement.class, Status.CURRENT))
64 .setConfiguration(stmt.effectiveConfig().asNullable())
65 .setUserOrdered(findFirstArgument(substatements, OrderedByEffectiveStatement.class, Ordering.SYSTEM)
66 .equals(Ordering.USER))
68 final ImmutableSet<String> defaultValues = substatements.stream()
69 .filter(DefaultEffectiveStatement.class::isInstance)
70 .map(DefaultEffectiveStatement.class::cast)
71 .map(DefaultEffectiveStatement::argument)
72 .collect(ImmutableSet.toImmutableSet());
74 // FIXME: We need to interpret the default value in terms of supplied element type
75 SourceException.throwIf(
76 EffectiveStmtUtils.hasDefaultValueMarkedWithIfFeature(stmt.yangVersion(), typeStmt, defaultValues),
77 stmt, "Leaf-list '%s' has one of its default values '%s' marked with an if-feature statement.",
78 stmt.argument(), defaultValues);
80 // FIXME: RFC7950 section 7.7.4: we need to check for min-elements and defaultValues conflict
82 final Optional<ElementCountConstraint> elementCountConstraint =
83 EffectiveStmtUtils.createElementCountConstraint(substatements);
85 final LeafListStatement declared = stmt.declared();
86 final SchemaPath path = stmt.wrapSchemaPath();
87 if (defaultValues.isEmpty()) {
88 return original == null && !elementCountConstraint.isPresent()
89 ? new EmptyLeafListEffectiveStatement(declared, path, flags, substatements)
90 : new SlimLeafListEffectiveStatement(declared, path, flags, substatements, original,
91 elementCountConstraint.orElse(null));
94 return new RegularLeafListEffectiveStatement(declared, path, flags, substatements, original, defaultValues,
95 elementCountConstraint.orElse(null));