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.parser.stmt.reactor;
10 import static com.google.common.base.Preconditions.checkArgument;
11 import static com.google.common.base.Preconditions.checkNotNull;
12 import static com.google.common.base.Preconditions.checkState;
13 import static java.util.Objects.requireNonNull;
15 import com.google.common.annotations.Beta;
16 import com.google.common.base.MoreObjects;
17 import com.google.common.base.MoreObjects.ToStringHelper;
18 import com.google.common.collect.ImmutableCollection;
19 import com.google.common.collect.ImmutableList;
20 import com.google.common.collect.ImmutableMultimap;
21 import com.google.common.collect.ImmutableSet;
22 import com.google.common.collect.Multimap;
23 import com.google.common.collect.Multimaps;
24 import java.util.ArrayList;
25 import java.util.Collection;
26 import java.util.Collections;
27 import java.util.EnumMap;
28 import java.util.EventListener;
29 import java.util.Iterator;
30 import java.util.List;
31 import java.util.Map.Entry;
32 import java.util.Objects;
33 import java.util.Optional;
35 import org.eclipse.jdt.annotation.NonNull;
36 import org.eclipse.jdt.annotation.Nullable;
37 import org.opendaylight.yangtools.util.OptionalBoolean;
38 import org.opendaylight.yangtools.yang.common.QName;
39 import org.opendaylight.yangtools.yang.common.QNameModule;
40 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
41 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
42 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
43 import org.opendaylight.yangtools.yang.model.api.meta.IdentifierNamespace;
44 import org.opendaylight.yangtools.yang.model.api.meta.StatementDefinition;
45 import org.opendaylight.yangtools.yang.model.api.meta.StatementSource;
46 import org.opendaylight.yangtools.yang.parser.spi.meta.CopyHistory;
47 import org.opendaylight.yangtools.yang.parser.spi.meta.CopyType;
48 import org.opendaylight.yangtools.yang.parser.spi.meta.ImplicitParentAwareStatementSupport;
49 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder;
50 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase;
51 import org.opendaylight.yangtools.yang.parser.spi.meta.NamespaceBehaviour;
52 import org.opendaylight.yangtools.yang.parser.spi.meta.NamespaceKeyCriterion;
53 import org.opendaylight.yangtools.yang.parser.spi.meta.StatementNamespace;
54 import org.opendaylight.yangtools.yang.parser.spi.meta.StatementSupport;
55 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
56 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
57 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
58 import org.opendaylight.yangtools.yang.parser.spi.source.ImplicitSubstatement;
59 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
60 import org.opendaylight.yangtools.yang.parser.spi.source.StatementSourceReference;
61 import org.opendaylight.yangtools.yang.parser.spi.source.StatementWriter.ResumedStatement;
62 import org.opendaylight.yangtools.yang.parser.spi.source.SupportedFeaturesNamespace;
63 import org.opendaylight.yangtools.yang.parser.spi.source.SupportedFeaturesNamespace.SupportedFeatures;
64 import org.opendaylight.yangtools.yang.parser.stmt.reactor.NamespaceBehaviourWithListeners.KeyedValueAddedListener;
65 import org.opendaylight.yangtools.yang.parser.stmt.reactor.NamespaceBehaviourWithListeners.PredicateValueAddedListener;
66 import org.slf4j.Logger;
67 import org.slf4j.LoggerFactory;
69 public abstract class StatementContextBase<A, D extends DeclaredStatement<A>, E extends EffectiveStatement<A, D>>
70 extends NamespaceStorageSupport implements Mutable<A, D, E>, ResumedStatement {
72 * Event listener when an item is added to model namespace.
74 interface OnNamespaceItemAdded extends EventListener {
76 * Invoked whenever a new item is added to a namespace.
78 void namespaceItemAdded(StatementContextBase<?, ?, ?> context, Class<?> namespace, Object key, Object value);
82 * Event listener when a parsing {@link ModelProcessingPhase} is completed.
84 interface OnPhaseFinished extends EventListener {
86 * Invoked whenever a processing phase has finished.
88 boolean phaseFinished(StatementContextBase<?, ?, ?> context, ModelProcessingPhase finishedPhase);
92 * Interface for all mutations within an {@link ModelActionBuilder.InferenceAction}.
94 interface ContextMutation {
99 private static final Logger LOG = LoggerFactory.getLogger(StatementContextBase.class);
101 private final @NonNull StatementDefinitionContext<A, D, E> definition;
102 private final @NonNull StatementSourceReference statementDeclSource;
103 private final StmtContext<?, ?, ?> originalCtx;
104 private final StmtContext<?, ?, ?> prevCopyCtx;
105 private final CopyHistory copyHistory;
106 private final String rawArgument;
108 private Multimap<ModelProcessingPhase, OnPhaseFinished> phaseListeners = ImmutableMultimap.of();
109 private Multimap<ModelProcessingPhase, ContextMutation> phaseMutation = ImmutableMultimap.of();
110 private List<Mutable<?, ?, ?>> effective = ImmutableList.of();
111 private List<StmtContext<?, ?, ?>> effectOfStatement = ImmutableList.of();
112 private StatementMap substatements = StatementMap.empty();
114 private boolean isSupportedToBuildEffective = true;
115 private @Nullable ModelProcessingPhase completedPhase;
116 private @Nullable D declaredInstance;
117 private @Nullable E effectiveInstance;
119 // BooleanFields value
120 private byte supportedByFeatures;
122 private boolean fullyDefined;
124 StatementContextBase(final StatementDefinitionContext<A, D, E> def, final StatementSourceReference ref,
125 final String rawArgument) {
126 this.definition = requireNonNull(def);
127 this.statementDeclSource = requireNonNull(ref);
128 this.rawArgument = def.internArgument(rawArgument);
129 this.copyHistory = CopyHistory.original();
130 this.originalCtx = null;
131 this.prevCopyCtx = null;
134 StatementContextBase(final StatementDefinitionContext<A, D, E> def, final StatementSourceReference ref,
135 final String rawArgument, final CopyType copyType) {
136 this.definition = requireNonNull(def);
137 this.statementDeclSource = requireNonNull(ref);
138 this.rawArgument = rawArgument;
139 this.copyHistory = CopyHistory.of(copyType, CopyHistory.original());
140 this.originalCtx = null;
141 this.prevCopyCtx = null;
144 StatementContextBase(final StatementContextBase<A, D, E> original, final CopyType copyType) {
145 this.definition = original.definition;
146 this.statementDeclSource = original.statementDeclSource;
147 this.rawArgument = original.rawArgument;
148 this.copyHistory = CopyHistory.of(copyType, original.getCopyHistory());
149 this.originalCtx = original.getOriginalCtx().orElse(original);
150 this.prevCopyCtx = original;
153 StatementContextBase(final StatementContextBase<A, D, E> original) {
154 this.definition = original.definition;
155 this.statementDeclSource = original.statementDeclSource;
156 this.rawArgument = original.rawArgument;
157 this.copyHistory = original.getCopyHistory();
158 this.originalCtx = original.getOriginalCtx().orElse(original);
159 this.prevCopyCtx = original;
160 this.substatements = original.substatements;
161 this.effective = original.effective;
165 public Collection<? extends StmtContext<?, ?, ?>> getEffectOfStatement() {
166 return effectOfStatement;
170 public void addAsEffectOfStatement(final StmtContext<?, ?, ?> ctx) {
171 if (effectOfStatement.isEmpty()) {
172 effectOfStatement = new ArrayList<>(1);
174 effectOfStatement.add(ctx);
178 public void addAsEffectOfStatement(final Collection<? extends StmtContext<?, ?, ?>> ctxs) {
179 if (ctxs.isEmpty()) {
183 if (effectOfStatement.isEmpty()) {
184 effectOfStatement = new ArrayList<>(ctxs.size());
186 effectOfStatement.addAll(ctxs);
190 public boolean isSupportedByFeatures() {
191 if (OptionalBoolean.isPresent(supportedByFeatures)) {
192 return OptionalBoolean.get(supportedByFeatures);
195 if (isIgnoringIfFeatures()) {
196 supportedByFeatures = OptionalBoolean.of(true);
200 final boolean isParentSupported = isParentSupportedByFeatures();
202 * If parent is not supported, then this context is also not supported.
203 * So we do not need to check if-features statements of this context and
204 * we can return false immediately.
206 if (!isParentSupported) {
207 supportedByFeatures = OptionalBoolean.of(false);
212 * If parent is supported, we need to check if-features statements of
215 // If the set of supported features has not been provided, all features are supported by default.
216 final Set<QName> supportedFeatures = getFromNamespace(SupportedFeaturesNamespace.class,
217 SupportedFeatures.SUPPORTED_FEATURES);
218 final boolean ret = supportedFeatures == null || StmtContextUtils.checkFeatureSupport(this, supportedFeatures);
219 supportedByFeatures = OptionalBoolean.of(ret);
223 protected abstract boolean isParentSupportedByFeatures();
225 protected abstract boolean isIgnoringIfFeatures();
227 protected abstract boolean isIgnoringConfig();
230 public boolean isSupportedToBuildEffective() {
231 return isSupportedToBuildEffective;
235 public void setIsSupportedToBuildEffective(final boolean isSupportedToBuildEffective) {
236 this.isSupportedToBuildEffective = isSupportedToBuildEffective;
240 public CopyHistory getCopyHistory() {
245 public Optional<StmtContext<?, ?, ?>> getOriginalCtx() {
246 return Optional.ofNullable(originalCtx);
250 public Optional<? extends StmtContext<?, ?, ?>> getPreviousCopyCtx() {
251 return Optional.ofNullable(prevCopyCtx);
255 public ModelProcessingPhase getCompletedPhase() {
256 return completedPhase;
260 public void setCompletedPhase(final ModelProcessingPhase completedPhase) {
261 this.completedPhase = completedPhase;
265 public abstract StatementContextBase<?, ?, ?> getParentContext();
268 * Returns the model root for this statement.
270 * @return root context of statement
273 public abstract RootStatementContext<?, ?, ?> getRoot();
276 public StatementSource getStatementSource() {
277 return statementDeclSource.getStatementSource();
281 public StatementSourceReference getStatementSourceReference() {
282 return statementDeclSource;
286 public final String rawStatementArgument() {
291 public Collection<? extends StmtContext<?, ?, ?>> declaredSubstatements() {
292 return substatements.values();
296 public Collection<? extends Mutable<?, ?, ?>> mutableDeclaredSubstatements() {
297 return substatements.values();
301 public Collection<? extends StmtContext<?, ?, ?>> effectiveSubstatements() {
302 return mutableEffectiveSubstatements();
306 public Collection<? extends Mutable<?, ?, ?>> mutableEffectiveSubstatements() {
307 if (effective instanceof ImmutableCollection) {
311 return Collections.unmodifiableCollection(effective);
315 * Remove a set of statements from effective statements.
317 * @param statements statements to be removed
318 * @deprecated This method was used by EffectiveStatementBase to restore proper order of effects of uses statements.
319 * It is no longer used in that capacity and slated for removal.
321 // FIXME: 5.0.0: remove this method
322 @Deprecated(forRemoval = true)
323 public void removeStatementsFromEffectiveSubstatements(
324 final Collection<? extends StmtContext<?, ?, ?>> statements) {
325 if (!effective.isEmpty()) {
326 effective.removeAll(statements);
331 private void shrinkEffective() {
332 if (effective.isEmpty()) {
333 effective = ImmutableList.of();
337 public void removeStatementFromEffectiveSubstatements(final StatementDefinition statementDef) {
338 if (effective.isEmpty()) {
342 final Iterator<? extends StmtContext<?, ?, ?>> iterator = effective.iterator();
343 while (iterator.hasNext()) {
344 final StmtContext<?, ?, ?> next = iterator.next();
345 if (statementDef.equals(next.getPublicDefinition())) {
354 * Removes a statement context from the effective substatements based on its statement definition (i.e statement
355 * keyword) and raw (in String form) statement argument. The statement context is removed only if both statement
356 * definition and statement argument match with one of the effective substatements' statement definition
360 * If the statementArg parameter is null, the statement context is removed based only on its statement definition.
362 * @param statementDef statement definition of the statement context to remove
363 * @param statementArg statement argument of the statement context to remove
365 public void removeStatementFromEffectiveSubstatements(final StatementDefinition statementDef,
366 final String statementArg) {
367 if (statementArg == null) {
368 removeStatementFromEffectiveSubstatements(statementDef);
371 if (effective.isEmpty()) {
375 final Iterator<Mutable<?, ?, ?>> iterator = effective.iterator();
376 while (iterator.hasNext()) {
377 final Mutable<?, ?, ?> next = iterator.next();
378 if (statementDef.equals(next.getPublicDefinition()) && statementArg.equals(next.rawStatementArgument())) {
387 * Adds an effective statement to collection of substatements.
389 * @param substatement substatement
390 * @throws IllegalStateException
391 * if added in declared phase
392 * @throws NullPointerException
393 * if statement parameter is null
395 public void addEffectiveSubstatement(final Mutable<?, ?, ?> substatement) {
396 beforeAddEffectiveStatement(1);
397 effective.add(substatement);
401 * Adds an effective statement to collection of substatements.
403 * @param statements substatements
404 * @throws IllegalStateException
405 * if added in declared phase
406 * @throws NullPointerException
407 * if statement parameter is null
409 public void addEffectiveSubstatements(final Collection<? extends Mutable<?, ?, ?>> statements) {
410 if (statements.isEmpty()) {
414 statements.forEach(Objects::requireNonNull);
415 beforeAddEffectiveStatement(statements.size());
416 effective.addAll(statements);
419 private void beforeAddEffectiveStatement(final int toAdd) {
420 final ModelProcessingPhase inProgressPhase = getRoot().getSourceContext().getInProgressPhase();
421 checkState(inProgressPhase == ModelProcessingPhase.FULL_DECLARATION
422 || inProgressPhase == ModelProcessingPhase.EFFECTIVE_MODEL,
423 "Effective statement cannot be added in declared phase at: %s", getStatementSourceReference());
425 if (effective.isEmpty()) {
426 effective = new ArrayList<>(toAdd);
431 * Create a new substatement at the specified offset.
433 * @param offset Substatement offset
434 * @param def definition context
435 * @param ref source reference
436 * @param argument statement argument
437 * @param <X> new substatement argument type
438 * @param <Y> new substatement declared type
439 * @param <Z> new substatement effective type
440 * @return A new substatement
442 @SuppressWarnings("checkstyle:methodTypeParameterName")
443 public final <X, Y extends DeclaredStatement<X>, Z extends EffectiveStatement<X, Y>>
444 StatementContextBase<X, Y, Z> createSubstatement(final int offset,
445 final StatementDefinitionContext<X, Y, Z> def, final StatementSourceReference ref,
446 final String argument) {
447 final ModelProcessingPhase inProgressPhase = getRoot().getSourceContext().getInProgressPhase();
448 checkState(inProgressPhase != ModelProcessingPhase.EFFECTIVE_MODEL,
449 "Declared statement cannot be added in effective phase at: %s", getStatementSourceReference());
451 final Optional<StatementSupport<?, ?, ?>> implicitParent = definition.getImplicitParentFor(def.getPublicView());
452 if (implicitParent.isPresent()) {
453 return createImplicitParent(offset, implicitParent.get(), ref, argument).createSubstatement(offset, def,
457 final StatementContextBase<X, Y, Z> ret = new SubstatementContext<>(this, def, ref, argument);
458 substatements = substatements.put(offset, ret);
459 def.onStatementAdded(ret);
463 private StatementContextBase<?, ?, ?> createImplicitParent(final int offset,
464 final StatementSupport<?, ?, ?> implicitParent, final StatementSourceReference ref, final String argument) {
465 final StatementDefinitionContext<?, ?, ?> def = new StatementDefinitionContext<>(implicitParent);
466 return createSubstatement(offset, def, ImplicitSubstatement.of(ref), argument);
469 public void appendImplicitStatement(final StatementSupport<?, ?, ?> statementToAdd) {
470 createSubstatement(substatements.capacity(), new StatementDefinitionContext<>(statementToAdd),
471 ImplicitSubstatement.of(getStatementSourceReference()), null);
475 * Lookup substatement by its offset in this statement.
477 * @param offset Substatement offset
478 * @return Substatement, or null if substatement does not exist.
480 final StatementContextBase<?, ?, ?> lookupSubstatement(final int offset) {
481 return substatements.get(offset);
484 final void setFullyDefined() {
485 this.fullyDefined = true;
488 final void resizeSubstatements(final int expectedSize) {
489 substatements = substatements.ensureCapacity(expectedSize);
492 final void walkChildren(final ModelProcessingPhase phase) {
493 checkState(fullyDefined);
494 substatements.values().forEach(stmt -> {
495 stmt.walkChildren(phase);
496 stmt.endDeclared(phase);
501 public D buildDeclared() {
502 checkArgument(completedPhase == ModelProcessingPhase.FULL_DECLARATION
503 || completedPhase == ModelProcessingPhase.EFFECTIVE_MODEL);
504 if (declaredInstance == null) {
505 declaredInstance = definition().getFactory().createDeclared(this);
507 return declaredInstance;
511 public E buildEffective() {
512 if (effectiveInstance == null) {
513 effectiveInstance = definition().getFactory().createEffective(this);
515 return effectiveInstance;
519 * tries to execute current {@link ModelProcessingPhase} of source parsing.
522 * to be executed (completed)
523 * @return if phase was successfully completed
524 * @throws SourceException
525 * when an error occurred in source parsing
527 boolean tryToCompletePhase(final ModelProcessingPhase phase) {
529 boolean finished = true;
530 final Collection<ContextMutation> openMutations = phaseMutation.get(phase);
531 if (!openMutations.isEmpty()) {
532 final Iterator<ContextMutation> it = openMutations.iterator();
533 while (it.hasNext()) {
534 final ContextMutation current = it.next();
535 if (current.isFinished()) {
542 if (openMutations.isEmpty()) {
543 phaseMutation.removeAll(phase);
544 if (phaseMutation.isEmpty()) {
545 phaseMutation = ImmutableMultimap.of();
550 for (final StatementContextBase<?, ?, ?> child : substatements.values()) {
551 finished &= child.tryToCompletePhase(phase);
553 for (final Mutable<?, ?, ?> child : effective) {
554 if (child instanceof StatementContextBase) {
555 finished &= ((StatementContextBase<?, ?, ?>) child).tryToCompletePhase(phase);
560 onPhaseCompleted(phase);
567 * Occurs on end of {@link ModelProcessingPhase} of source parsing.
570 * that was to be completed (finished)
571 * @throws SourceException
572 * when an error occurred in source parsing
574 private void onPhaseCompleted(final ModelProcessingPhase phase) {
575 completedPhase = phase;
577 final Collection<OnPhaseFinished> listeners = phaseListeners.get(phase);
578 if (listeners.isEmpty()) {
582 final Iterator<OnPhaseFinished> listener = listeners.iterator();
583 while (listener.hasNext()) {
584 final OnPhaseFinished next = listener.next();
585 if (next.phaseFinished(this, phase)) {
590 if (listeners.isEmpty()) {
591 phaseListeners.removeAll(phase);
592 if (phaseListeners.isEmpty()) {
593 phaseListeners = ImmutableMultimap.of();
599 * Ends declared section of current node.
601 void endDeclared(final ModelProcessingPhase phase) {
602 definition().onDeclarationFinished(this, phase);
606 * Return the context in which this statement was defined.
608 * @return statement definition
610 protected final @NonNull StatementDefinitionContext<A, D, E> definition() {
615 protected void checkLocalNamespaceAllowed(final Class<? extends IdentifierNamespace<?, ?>> type) {
616 definition().checkNamespaceAllowed(type);
620 protected <K, V, N extends IdentifierNamespace<K, V>> void onNamespaceElementAdded(final Class<N> type, final K key,
622 // definition().onNamespaceElementAdded(this, type, key, value);
625 final <K, V, N extends IdentifierNamespace<K, V>> void onNamespaceItemAddedAction(final Class<N> type, final K key,
626 final OnNamespaceItemAdded listener) {
627 final Object potential = getFromNamespace(type, key);
628 if (potential != null) {
629 LOG.trace("Listener on {} key {} satisfied immediately", type, key);
630 listener.namespaceItemAdded(this, type, key, potential);
634 getBehaviour(type).addListener(new KeyedValueAddedListener<>(this, key) {
636 void onValueAdded(final Object value) {
637 listener.namespaceItemAdded(StatementContextBase.this, type, key, value);
642 final <K, V, N extends IdentifierNamespace<K, V>> void onNamespaceItemAddedAction(final Class<N> type,
643 final ModelProcessingPhase phase, final NamespaceKeyCriterion<K> criterion,
644 final OnNamespaceItemAdded listener) {
645 final Optional<Entry<K, V>> existing = getFromNamespace(type, criterion);
646 if (existing.isPresent()) {
647 final Entry<K, V> entry = existing.get();
648 LOG.debug("Listener on {} criterion {} found a pre-existing match: {}", type, criterion, entry);
649 waitForPhase(entry.getValue(), type, phase, criterion, listener);
653 final NamespaceBehaviourWithListeners<K, V, N> behaviour = getBehaviour(type);
654 behaviour.addListener(new PredicateValueAddedListener<K, V>(this) {
656 boolean onValueAdded(final K key, final V value) {
657 if (criterion.match(key)) {
658 LOG.debug("Listener on {} criterion {} matched added key {}", type, criterion, key);
659 waitForPhase(value, type, phase, criterion, listener);
668 final <K, V, N extends IdentifierNamespace<K, V>> void selectMatch(final Class<N> type,
669 final NamespaceKeyCriterion<K> criterion, final OnNamespaceItemAdded listener) {
670 final Optional<Entry<K, V>> optMatch = getFromNamespace(type, criterion);
671 checkState(optMatch.isPresent(), "Failed to find a match for criterion %s in namespace %s node %s", criterion,
673 final Entry<K, V> match = optMatch.get();
674 listener.namespaceItemAdded(StatementContextBase.this, type, match.getKey(), match.getValue());
677 final <K, V, N extends IdentifierNamespace<K, V>> void waitForPhase(final Object value, final Class<N> type,
678 final ModelProcessingPhase phase, final NamespaceKeyCriterion<K> criterion,
679 final OnNamespaceItemAdded listener) {
680 ((StatementContextBase<?, ? ,?>) value).addPhaseCompletedListener(phase,
681 (context, phaseCompleted) -> {
682 selectMatch(type, criterion, listener);
687 private <K, V, N extends IdentifierNamespace<K, V>> NamespaceBehaviourWithListeners<K, V, N> getBehaviour(
688 final Class<N> type) {
689 final NamespaceBehaviour<K, V, N> behaviour = getBehaviourRegistry().getNamespaceBehaviour(type);
690 checkArgument(behaviour instanceof NamespaceBehaviourWithListeners, "Namespace %s does not support listeners",
693 return (NamespaceBehaviourWithListeners<K, V, N>) behaviour;
697 public StatementDefinition getPublicDefinition() {
698 return definition().getPublicView();
702 public ModelActionBuilder newInferenceAction(final ModelProcessingPhase phase) {
703 return getRoot().getSourceContext().newInferenceAction(phase);
706 private static <T> Multimap<ModelProcessingPhase, T> newMultimap() {
707 return Multimaps.newListMultimap(new EnumMap<>(ModelProcessingPhase.class), () -> new ArrayList<>(1));
711 * Adds {@link OnPhaseFinished} listener for a {@link ModelProcessingPhase} end. If the base has already completed
712 * the listener is notified immediately.
714 * @param phase requested completion phase
715 * @param listener listener to invoke
716 * @throws NullPointerException if any of the arguments is null
718 void addPhaseCompletedListener(final ModelProcessingPhase phase, final OnPhaseFinished listener) {
719 checkNotNull(phase, "Statement context processing phase cannot be null at: %s", getStatementSourceReference());
720 checkNotNull(listener, "Statement context phase listener cannot be null at: %s", getStatementSourceReference());
722 ModelProcessingPhase finishedPhase = completedPhase;
723 while (finishedPhase != null) {
724 if (phase.equals(finishedPhase)) {
725 listener.phaseFinished(this, finishedPhase);
728 finishedPhase = finishedPhase.getPreviousPhase();
730 if (phaseListeners.isEmpty()) {
731 phaseListeners = newMultimap();
734 phaseListeners.put(phase, listener);
738 * Adds a {@link ContextMutation} to a {@link ModelProcessingPhase}.
740 * @throws IllegalStateException
741 * when the mutation was registered after phase was completed
743 void addMutation(final ModelProcessingPhase phase, final ContextMutation mutation) {
744 ModelProcessingPhase finishedPhase = completedPhase;
745 while (finishedPhase != null) {
746 checkState(!phase.equals(finishedPhase), "Mutation registered after phase was completed at: %s",
747 getStatementSourceReference());
748 finishedPhase = finishedPhase.getPreviousPhase();
751 if (phaseMutation.isEmpty()) {
752 phaseMutation = newMultimap();
754 phaseMutation.put(phase, mutation);
758 public <K, KT extends K, N extends StatementNamespace<K, ?, ?>> void addContext(final Class<N> namespace,
759 final KT key,final StmtContext<?, ?, ?> stmt) {
760 addContextToNamespace(namespace, key, stmt);
764 public final Mutable<?, ?, ?> childCopyOf(final StmtContext<?, ?, ?> stmt, final CopyType type,
765 final QNameModule targetModule) {
766 checkState(stmt.getCompletedPhase() == ModelProcessingPhase.EFFECTIVE_MODEL,
767 "Attempted to copy statement %s which has completed phase %s", stmt, stmt.getCompletedPhase());
768 checkArgument(stmt instanceof SubstatementContext, "Unsupported statement %s", stmt);
769 return childCopyOf((SubstatementContext<?, ?, ?>) stmt, type, targetModule);
772 private <X, Y extends DeclaredStatement<X>, Z extends EffectiveStatement<X, Y>> Mutable<X, Y, Z> childCopyOf(
773 final SubstatementContext<X, Y, Z> original, final CopyType type, final QNameModule targetModule) {
774 final Optional<StatementSupport<?, ?, ?>> implicitParent = definition.getImplicitParentFor(
775 original.getPublicDefinition());
777 final SubstatementContext<X, Y, Z> result;
778 final SubstatementContext<X, Y, Z> copy;
780 if (implicitParent.isPresent()) {
781 final StatementDefinitionContext<?, ?, ?> def = new StatementDefinitionContext<>(implicitParent.get());
782 result = new SubstatementContext(this, def, original.getSourceReference(),
783 original.rawStatementArgument(), original.getStatementArgument(), type);
785 final CopyType childCopyType;
787 case ADDED_BY_AUGMENTATION:
788 childCopyType = CopyType.ORIGINAL;
790 case ADDED_BY_USES_AUGMENTATION:
791 childCopyType = CopyType.ADDED_BY_USES;
796 childCopyType = type;
799 copy = new SubstatementContext<>(original, result, childCopyType, targetModule);
800 result.addEffectiveSubstatement(copy);
802 result = copy = new SubstatementContext<>(original, this, type, targetModule);
805 original.definition().onStatementAdded(copy);
806 original.copyTo(copy, type, targetModule);
811 public @NonNull StatementDefinition getDefinition() {
812 return getPublicDefinition();
816 public @NonNull StatementSourceReference getSourceReference() {
817 return getStatementSourceReference();
821 public boolean isFullyDefined() {
826 public final boolean hasImplicitParentSupport() {
827 return definition.getFactory() instanceof ImplicitParentAwareStatementSupport;
831 public final StatementContextBase<?, ?, ?> wrapWithImplicit(final StatementContextBase<?, ?, ?> original) {
832 final Optional<StatementSupport<?, ?, ?>> optImplicit = definition.getImplicitParentFor(
833 original.getPublicDefinition());
834 if (optImplicit.isEmpty()) {
838 final StatementDefinitionContext<?, ?, ?> def = new StatementDefinitionContext<>(optImplicit.get());
839 final CopyType type = original.getCopyHistory().getLastOperation();
840 final SubstatementContext<?, ?, ?> result = new SubstatementContext(original.getParentContext(), def,
841 original.getStatementSourceReference(), original.rawStatementArgument(), original.getStatementArgument(),
844 result.addEffectiveSubstatement(new SubstatementContext<>(original, result));
845 result.setCompletedPhase(original.getCompletedPhase());
849 final void copyTo(final StatementContextBase<?, ?, ?> target, final CopyType typeOfCopy,
850 @Nullable final QNameModule targetModule) {
851 final Collection<Mutable<?, ?, ?>> buffer = new ArrayList<>(substatements.size() + effective.size());
853 for (final Mutable<?, ?, ?> stmtContext : substatements.values()) {
854 if (stmtContext.isSupportedByFeatures()) {
855 copySubstatement(stmtContext, target, typeOfCopy, targetModule, buffer);
859 for (final Mutable<?, ?, ?> stmtContext : effective) {
860 copySubstatement(stmtContext, target, typeOfCopy, targetModule, buffer);
863 target.addEffectiveSubstatements(buffer);
866 private void copySubstatement(final Mutable<?, ?, ?> stmtContext, final Mutable<?, ?, ?> target,
867 final CopyType typeOfCopy, final QNameModule newQNameModule, final Collection<Mutable<?, ?, ?>> buffer) {
868 if (needToCopyByUses(stmtContext)) {
869 final Mutable<?, ?, ?> copy = target.childCopyOf(stmtContext, typeOfCopy, newQNameModule);
870 LOG.debug("Copying substatement {} for {} as {}", stmtContext, this, copy);
872 } else if (isReusedByUses(stmtContext)) {
873 LOG.debug("Reusing substatement {} for {}", stmtContext, this);
874 buffer.add(stmtContext);
876 LOG.debug("Skipping statement {}", stmtContext);
880 // FIXME: revise this, as it seems to be wrong
881 private static final ImmutableSet<YangStmtMapping> NOCOPY_FROM_GROUPING_SET = ImmutableSet.of(
882 YangStmtMapping.DESCRIPTION,
883 YangStmtMapping.REFERENCE,
884 YangStmtMapping.STATUS);
885 private static final ImmutableSet<YangStmtMapping> REUSED_DEF_SET = ImmutableSet.of(
886 YangStmtMapping.TYPE,
887 YangStmtMapping.TYPEDEF,
888 YangStmtMapping.USES);
890 private static boolean needToCopyByUses(final StmtContext<?, ?, ?> stmtContext) {
891 final StatementDefinition def = stmtContext.getPublicDefinition();
892 if (REUSED_DEF_SET.contains(def)) {
893 LOG.debug("Will reuse {} statement {}", def, stmtContext);
896 if (NOCOPY_FROM_GROUPING_SET.contains(def)) {
897 return !YangStmtMapping.GROUPING.equals(stmtContext.coerceParentContext().getPublicDefinition());
900 LOG.debug("Will copy {} statement {}", def, stmtContext);
904 private static boolean isReusedByUses(final StmtContext<?, ?, ?> stmtContext) {
905 return REUSED_DEF_SET.contains(stmtContext.getPublicDefinition());
909 public final String toString() {
910 return addToStringAttributes(MoreObjects.toStringHelper(this).omitNullValues()).toString();
913 protected ToStringHelper addToStringAttributes(final ToStringHelper toStringHelper) {
914 return toStringHelper.add("definition", definition).add("rawArgument", rawArgument);