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.model.api.stmt;
10 import java.util.Collection;
11 import org.eclipse.jdt.annotation.NonNull;
12 import org.eclipse.jdt.annotation.Nullable;
13 import org.opendaylight.yangtools.yang.common.QName;
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.StatementDefinition;
19 * Declared representation of a {@code type} statement.
21 public interface TypeStatement extends DeclaredStatement<QName> {
23 default StatementDefinition statementDefinition() {
24 return YangStmtMapping.TYPE;
27 // FIXME: 7.0.0: this interface does not have an implementation
28 interface NumericalRestrictions extends TypeStatement {
29 default @Nullable RangeStatement getRange() {
30 return findFirstDeclaredSubstatement(RangeStatement.class).orElse(null);
34 interface Decimal64Specification extends TypeStatement {
35 default @NonNull FractionDigitsStatement getFractionDigits() {
36 return findFirstDeclaredSubstatement(FractionDigitsStatement.class).orElseThrow();
39 default @Nullable RangeStatement getRange() {
40 final var opt = findFirstDeclaredSubstatement(RangeStatement.class);
41 return opt.isPresent() ? opt.orElseThrow() : null;
45 // FIXME: 7.0.0: this interface does not have an implementation
46 interface StringRestrictions extends TypeStatement {
47 default @Nullable LengthStatement getLength() {
48 final var opt = findFirstDeclaredSubstatement(LengthStatement.class);
49 return opt.isPresent() ? opt.orElseThrow() : null;
52 default @NonNull Collection<? extends PatternStatement> getPatterns() {
53 return declaredSubstatements(PatternStatement.class);
57 interface EnumSpecification extends TypeStatement {
58 default @NonNull Collection<? extends EnumStatement> getEnums() {
59 return declaredSubstatements(EnumStatement.class);
63 interface LeafrefSpecification extends TypeStatement {
64 default @NonNull PathStatement getPath() {
65 return findFirstDeclaredSubstatement(PathStatement.class).orElseThrow();
69 * Return require-instance statement child, if present. For RFC6020 semantics, this method always returns null.
71 * @return require-instance statement, if present.
73 default @Nullable RequireInstanceStatement getRequireInstance() {
74 final var opt = findFirstDeclaredSubstatement(RequireInstanceStatement.class);
75 return opt.isPresent() ? opt.orElseThrow() : null;
79 interface InstanceIdentifierSpecification extends TypeStatement {
81 * Return require-instance statement child, if present. For RFC6020 semantics, this method always returns
84 * @return require-instance statement, if present.
86 default @Nullable RequireInstanceStatement getRequireInstance() {
87 final var opt = findFirstDeclaredSubstatement(RequireInstanceStatement.class);
88 return opt.isPresent() ? opt.orElseThrow() : null;
92 interface IdentityRefSpecification extends TypeStatement {
94 * Returns the base statements.
96 * @return collection of base statements (in YANG 1.1 models) or a collection containing just one base
97 * statement (in YANG 1.0 models)
99 default @NonNull Collection<? extends BaseStatement> getBases() {
100 return declaredSubstatements(BaseStatement.class);
104 interface BitsSpecification extends TypeStatement {
105 default @NonNull Collection<? extends BitStatement> getBits() {
106 return declaredSubstatements(BitStatement.class);
110 interface UnionSpecification extends TypeStatement {
111 default @NonNull Collection<? extends TypeStatement> getTypes() {
112 return declaredSubstatements(TypeStatement.class);
116 interface BinarySpecification extends TypeStatement {
117 default @NonNull Collection<? extends LengthStatement> getLength() {
118 return declaredSubstatements(LengthStatement.class);