2 * Copyright (c) 2020 PANTHEON.tech, 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;
10 import com.google.common.annotations.Beta;
11 import com.google.common.base.MoreObjects;
12 import com.google.common.collect.Collections2;
13 import com.google.common.collect.ImmutableSet;
14 import java.util.Collection;
15 import java.util.Optional;
16 import org.eclipse.jdt.annotation.NonNull;
17 import org.eclipse.jdt.annotation.NonNullByDefault;
18 import org.opendaylight.yangtools.concepts.Mutable;
19 import org.opendaylight.yangtools.yang.common.QName;
20 import org.opendaylight.yangtools.yang.model.api.ActionDefinition;
21 import org.opendaylight.yangtools.yang.model.api.ActionNodeContainer;
22 import org.opendaylight.yangtools.yang.model.api.AddedByUsesAware;
23 import org.opendaylight.yangtools.yang.model.api.AugmentationSchemaNode;
24 import org.opendaylight.yangtools.yang.model.api.AugmentationTarget;
25 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
26 import org.opendaylight.yangtools.yang.model.api.CopyableNode;
27 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
28 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
29 import org.opendaylight.yangtools.yang.model.api.DocumentedNode;
30 import org.opendaylight.yangtools.yang.model.api.GroupingDefinition;
31 import org.opendaylight.yangtools.yang.model.api.MandatoryAware;
32 import org.opendaylight.yangtools.yang.model.api.MustConstraintAware;
33 import org.opendaylight.yangtools.yang.model.api.MustDefinition;
34 import org.opendaylight.yangtools.yang.model.api.NotificationDefinition;
35 import org.opendaylight.yangtools.yang.model.api.NotificationNodeContainer;
36 import org.opendaylight.yangtools.yang.model.api.RevisionAwareXPath;
37 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
38 import org.opendaylight.yangtools.yang.model.api.Status;
39 import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
40 import org.opendaylight.yangtools.yang.model.api.UnknownSchemaNode;
41 import org.opendaylight.yangtools.yang.model.api.UsesNode;
42 import org.opendaylight.yangtools.yang.model.api.WhenConditionAware;
43 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
44 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
45 import org.opendaylight.yangtools.yang.model.api.stmt.DescriptionEffectiveStatement;
46 import org.opendaylight.yangtools.yang.model.api.stmt.ReferenceEffectiveStatement;
47 import org.opendaylight.yangtools.yang.model.api.stmt.TypedefEffectiveStatement;
48 import org.opendaylight.yangtools.yang.model.api.stmt.WhenEffectiveStatement;
49 import org.opendaylight.yangtools.yang.parser.spi.meta.CopyHistory;
50 import org.opendaylight.yangtools.yang.parser.spi.meta.CopyType;
53 * Mix-in interfaces providing services required by SchemaNode et al. These interfaces provide implementations, or
54 * implementation helpers based on default methods, so the correct behavior can be logically centralized.
57 public final class EffectiveStatementMixins {
58 // Marker interface requiring all mixins to be derived from EffectiveStatement.
59 private interface Mixin<A, D extends DeclaredStatement<A>> extends EffectiveStatement<A, D> {
60 @SuppressWarnings("unchecked")
61 default <T> Collection<? extends T> filterEffectiveStatements(final Class<T> type) {
62 // Yeah, this is not nice, but saves one transformation
63 return (Collection<? extends T>) Collections2.filter(effectiveSubstatements(), type::isInstance);
68 * Bridge between {@link EffectiveStatement} and {@link AugmentationTarget}.
70 * @param <A> Argument type ({@link Void} if statement does not have argument.)
71 * @param <D> Class representing declared version of this statement.
73 public interface AugmentationTargetMixin<A, D extends DeclaredStatement<A>>
74 extends Mixin<A, D>, AugmentationTarget {
76 default Collection<? extends AugmentationSchemaNode> getAvailableAugmentations() {
77 return filterEffectiveStatements(AugmentationSchemaNode.class);
82 * Bridge between {@link EffectiveStatementWithFlags} and {@link AddedByUsesAware}.
84 * @param <A> Argument type ({@link Void} if statement does not have argument.)
85 * @param <D> Class representing declared version of this statement.
87 public interface AddedByUsesMixin<A, D extends DeclaredStatement<A>>
88 extends EffectiveStatementWithFlags<A, D>, AddedByUsesAware {
90 default boolean isAddedByUses() {
91 return (flags() & FlagsBuilder.ADDED_BY_USES) != 0;
96 * Bridge between {@link EffectiveStatementWithFlags} and {@link ActionNodeContainer}.
98 * @param <A> Argument type ({@link Void} if statement does not have argument.)
99 * @param <D> Class representing declared version of this statement.
101 public interface ActionNodeContainerMixin<A, D extends DeclaredStatement<A>>
102 extends Mixin<A, D>, ActionNodeContainer {
104 default Collection<? extends ActionDefinition> getActions() {
105 return filterEffectiveStatements(ActionDefinition.class);
110 * Bridge between {@link EffectiveStatementWithFlags} and {@link NotificationNodeContainer}.
112 * @param <A> Argument type ({@link Void} if statement does not have argument.)
113 * @param <D> Class representing declared version of this statement.
115 public interface NotificationNodeContainerMixin<A, D extends DeclaredStatement<A>>
116 extends Mixin<A, D>, NotificationNodeContainer {
118 default Collection<? extends NotificationDefinition> getNotifications() {
119 return filterEffectiveStatements(NotificationDefinition.class);
124 * Bridge between {@link EffectiveStatementWithFlags} and {@link MustConstraintAware}.
126 * @param <A> Argument type ({@link Void} if statement does not have argument.)
127 * @param <D> Class representing declared version of this statement.
129 public interface MustConstraintMixin<A, D extends DeclaredStatement<A>> extends Mixin<A, D>, MustConstraintAware {
131 default Collection<? extends MustDefinition> getMustConstraints() {
132 return filterEffectiveStatements(MustDefinition.class);
137 * Bridge between {@link EffectiveStatementWithFlags} and {@link CopyableNode}.
139 * @param <A> Argument type ({@link Void} if statement does not have argument.)
140 * @param <D> Class representing declared version of this statement.
142 public interface CopyableMixin<A, D extends DeclaredStatement<A>> extends AddedByUsesMixin<A, D>, CopyableNode {
144 default boolean isAugmenting() {
145 return (flags() & FlagsBuilder.AUGMENTING) != 0;
150 * Bridge between {@link EffectiveStatementWithFlags} and {@link DataNodeContainer}.
152 * @param <A> Argument type ({@link Void} if statement does not have argument.)
153 * @param <D> Class representing declared version of this statement.
155 public interface DataNodeContainerMixin<A, D extends DeclaredStatement<A>> extends DataNodeContainer, Mixin<A, D> {
157 default Collection<? extends TypeDefinition<?>> getTypeDefinitions() {
158 // TODO: the cast here is needed to work around Java 11 javac type inference issue
159 return Collections2.transform(filterEffectiveStatements(TypedefEffectiveStatement.class),
160 TypedefEffectiveStatement::getTypeDefinition);
164 default Collection<? extends DataSchemaNode> getChildNodes() {
165 return filterEffectiveStatements(DataSchemaNode.class);
169 default Collection<? extends GroupingDefinition> getGroupings() {
170 return filterEffectiveStatements(GroupingDefinition.class);
174 default Collection<? extends UsesNode> getUses() {
175 return filterEffectiveStatements(UsesNode.class);
180 * Bridge between {@link EffectiveStatementWithFlags} and {@link DataSchemaNode}.
182 * @param <A> Argument type ({@link Void} if statement does not have argument.)
183 * @param <D> Class representing declared version of this statement.
185 public interface DataSchemaNodeMixin<A, D extends DeclaredStatement<A>>
186 extends DataSchemaNode, CopyableMixin<A, D>, SchemaNodeMixin<A, D>, WhenConditionMixin<A, D> {
188 default boolean isConfiguration() {
189 return (flags() & FlagsBuilder.CONFIGURATION) != 0;
194 * Bridge between {@link EffectiveStatementWithFlags} and {@link DocumentedNode}.
196 * @param <A> Argument type ({@link Void} if statement does not have argument.)
197 * @param <D> Class representing declared version of this statement.
199 public interface DocumentedNodeMixin<A, D extends DeclaredStatement<A>> extends Mixin<A, D>, DocumentedNode {
201 * Bridge between {@link EffectiveStatementWithFlags} and
202 * {@link org.opendaylight.yangtools.yang.model.api.DocumentedNode.WithStatus}.
204 * @param <A> Argument type ({@link Void} if statement does not have argument.)
205 * @param <D> Class representing declared version of this statement.
207 interface WithStatus<A, D extends DeclaredStatement<A>>
208 extends EffectiveStatementWithFlags<A, D>, DocumentedNodeMixin<A, D>, DocumentedNode.WithStatus {
210 default Status getStatus() {
211 final int status = flags() & FlagsBuilder.MASK_STATUS;
213 case FlagsBuilder.STATUS_CURRENT:
214 return Status.CURRENT;
215 case FlagsBuilder.STATUS_DEPRECATED:
216 return Status.DEPRECATED;
217 case FlagsBuilder.STATUS_OBSOLETE:
218 return Status.OBSOLETE;
220 throw new IllegalStateException("Illegal status " + status);
226 default Optional<String> getDescription() {
227 return findFirstEffectiveSubstatementArgument(DescriptionEffectiveStatement.class);
231 default Optional<String> getReference() {
232 return findFirstEffectiveSubstatementArgument(ReferenceEffectiveStatement.class);
236 default Collection<? extends UnknownSchemaNode> getUnknownSchemaNodes() {
237 return filterEffectiveStatements(UnknownSchemaNode.class);
242 * Bridge between {@link EffectiveStatementWithFlags} and {@link MandatoryAware}.
244 * @param <A> Argument type ({@link Void} if statement does not have argument.)
245 * @param <D> Class representing declared version of this statement.
247 public interface MandatoryMixin<A, D extends DeclaredStatement<A>>
248 extends EffectiveStatementWithFlags<A, D>, MandatoryAware {
250 default boolean isMandatory() {
251 return (flags() & FlagsBuilder.MANDATORY) != 0;
256 * Bridge between {@link EffectiveStatementWithFlags} and {@code presence} statement.
258 * @param <A> Argument type ({@link Void} if statement does not have argument.)
259 * @param <D> Class representing declared version of this statement.
261 public interface PresenceMixin<A, D extends DeclaredStatement<A>> extends EffectiveStatementWithFlags<A, D> {
262 default boolean presence() {
263 return (flags() & FlagsBuilder.PRESENCE) != 0;
268 * Bridge between {@link EffectiveStatementWithFlags} and {@link SchemaNode}.
270 * @param <A> Argument type ({@link Void} if statement does not have argument.)
271 * @param <D> Class representing declared version of this statement.
273 public interface SchemaNodeMixin<A, D extends DeclaredStatement<A>>
274 extends DocumentedNodeMixin.WithStatus<A, D>, SchemaNode {
276 default QName getQName() {
277 return getPath().getLastComponent();
282 * Bridge between {@link EffectiveStatementWithFlags} and {@code ordered-by} statement.
284 * @param <A> Argument type ({@link Void} if statement does not have argument.)
285 * @param <D> Class representing declared version of this statement.
287 public interface UserOrderedMixin<A, D extends DeclaredStatement<A>> extends EffectiveStatementWithFlags<A, D> {
288 default boolean userOrdered() {
289 return (flags() & FlagsBuilder.USER_ORDERED) != 0;
294 * Helper used to locate the effective {@code when} statement and exposing its argument as per
295 * {@link WhenConditionAware}.
297 * @param <A> Argument type ({@link Void} if statement does not have argument.)
298 * @param <D> Class representing declared version of this statement.
300 public interface WhenConditionMixin<A, D extends DeclaredStatement<A>> extends Mixin<A, D>, WhenConditionAware {
302 default Optional<RevisionAwareXPath> getWhenCondition() {
303 return findFirstEffectiveSubstatementArgument(WhenEffectiveStatement.class);
308 * Helper bridge for operation containers ({@code input} and {@code output}).
310 * @param <D> Class representing declared version of this statement.
313 public interface OperationContainerMixin<D extends DeclaredStatement<QName>>
314 extends ContainerSchemaNode, DocumentedNodeMixin.WithStatus<QName, D>, DataNodeContainerMixin<QName, D>,
315 MustConstraintMixin<QName, D>, WhenConditionMixin<QName, D>, AugmentationTargetMixin<QName, D>,
316 CopyableMixin<QName, D> {
318 default @NonNull QName argument() {
319 return getPath().getLastComponent();
323 default QName getQName() {
328 default Optional<ActionDefinition> findAction(final QName qname) {
329 return Optional.empty();
333 default Optional<NotificationDefinition> findNotification(final QName qname) {
334 return Optional.empty();
338 default Collection<? extends ActionDefinition> getActions() {
339 return ImmutableSet.of();
343 default Collection<? extends NotificationDefinition> getNotifications() {
344 return ImmutableSet.of();
348 default boolean isConfiguration() {
353 default boolean isPresenceContainer() {
354 // FIXME: this should not really be here
358 default String defaultToString() {
359 return MoreObjects.toStringHelper(this).add("path", getPath()).toString();
364 * Support interface for various mixins. Implementations are required to store 32bits worth of flags, which are
365 * globally assigned to sub-interfaces -- thus providing storage for many low-cardinality properties.
367 * @param <A> Argument type ({@link Void} if statement does not have argument.)
368 * @param <D> Class representing declared version of this statement.
370 public interface EffectiveStatementWithFlags<A, D extends DeclaredStatement<A>> extends Mixin<A, D> {
372 * Return flags assicated with this statements. Flags can be built using {@link FlagsBuilder}.
374 * @return Flag field value (32 bits).
379 final class FlagsBuilder implements Mutable {
380 // We still have 24 flags remaining
381 static final int STATUS_CURRENT = 0x0001;
382 static final int STATUS_DEPRECATED = 0x0002;
383 static final int STATUS_OBSOLETE = 0x0003;
384 static final int MASK_STATUS = 0x0003;
386 static final int CONFIGURATION = 0x0004;
387 static final int MANDATORY = 0x0008;
389 static final int AUGMENTING = 0x0010;
390 static final int ADDED_BY_USES = 0x0020;
391 private static final int MASK_HISTORY = 0x0030;
393 static final int USER_ORDERED = 0x0040;
394 static final int PRESENCE = 0x0080;
398 public FlagsBuilder setConfiguration(final boolean config) {
400 flags |= CONFIGURATION;
402 flags &= ~CONFIGURATION;
407 public FlagsBuilder setHistory(final CopyHistory history) {
409 if (history.contains(CopyType.ADDED_BY_USES_AUGMENTATION)) {
410 bits = AUGMENTING | ADDED_BY_USES;
413 if (history.contains(CopyType.ADDED_BY_AUGMENTATION)) {
416 if (history.contains(CopyType.ADDED_BY_USES)) {
417 bits |= ADDED_BY_USES;
421 flags = flags & ~MASK_HISTORY | bits;
425 public FlagsBuilder setMandatory(final boolean mandatory) {
434 public FlagsBuilder setPresence(final boolean presence) {
443 public FlagsBuilder setStatus(final Status status) {
447 bits = STATUS_CURRENT;
450 bits = STATUS_DEPRECATED;
453 bits = STATUS_DEPRECATED;
456 throw new IllegalStateException("Unhandled status " + status);
459 flags = flags & ~MASK_STATUS | bits;
463 public FlagsBuilder setUserOrdered(final boolean userOrdered) {
465 flags |= USER_ORDERED;
467 flags &= ~USER_ORDERED;
472 public int toFlags() {