2 * Copyright (c) 2017 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
9 package org.opendaylight.mdsal.binding.javav2.generator.impl;
11 import com.google.common.annotations.Beta;
12 import com.google.common.base.Optional;
13 import com.google.common.base.Preconditions;
14 import java.util.ArrayList;
15 import java.util.Collections;
16 import java.util.Comparator;
17 import java.util.Iterator;
18 import java.util.List;
20 import java.util.Map.Entry;
22 import java.util.stream.Collectors;
23 import org.opendaylight.mdsal.binding.javav2.generator.spi.TypeProvider;
24 import org.opendaylight.mdsal.binding.javav2.generator.util.BindingGeneratorUtil;
25 import org.opendaylight.mdsal.binding.javav2.model.api.Type;
26 import org.opendaylight.mdsal.binding.javav2.model.api.type.builder.GeneratedTypeBuilder;
27 import org.opendaylight.mdsal.binding.javav2.spec.runtime.BindingNamespaceType;
28 import org.opendaylight.mdsal.binding.javav2.util.BindingMapping;
29 import org.opendaylight.yangtools.yang.common.QName;
30 import org.opendaylight.yangtools.yang.model.api.AugmentationSchema;
31 import org.opendaylight.yangtools.yang.model.api.ChoiceCaseNode;
32 import org.opendaylight.yangtools.yang.model.api.ChoiceSchemaNode;
33 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
34 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
35 import org.opendaylight.yangtools.yang.model.api.DerivableSchemaNode;
36 import org.opendaylight.yangtools.yang.model.api.GroupingDefinition;
37 import org.opendaylight.yangtools.yang.model.api.Module;
38 import org.opendaylight.yangtools.yang.model.api.NotificationDefinition;
39 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
40 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
41 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
42 import org.opendaylight.yangtools.yang.model.api.UsesNode;
43 import org.opendaylight.yangtools.yang.model.util.SchemaContextUtil;
46 final class AugmentToGenType {
49 * Comparator based on augment target path.
51 private static final Comparator<AugmentationSchema> AUGMENT_COMP = (o1, o2) -> {
52 final Iterator<QName> thisIt = o1.getTargetPath().getPathFromRoot().iterator();
53 final Iterator<QName> otherIt = o2.getTargetPath().getPathFromRoot().iterator();
55 while (thisIt.hasNext()) {
56 if (!otherIt.hasNext()) {
60 final int comp = thisIt.next().compareTo(otherIt.next());
66 return otherIt.hasNext() ? -1 : 0;
70 * Comparator based on augment target path.
72 private static final Comparator<Map.Entry<SchemaPath, List<AugmentationSchema>>> AUGMENTS_COMP = (o1, o2) -> {
73 final Iterator<QName> thisIt = o1.getKey().getPathFromRoot().iterator();
74 final Iterator<QName> otherIt = o2.getKey().getPathFromRoot().iterator();
76 while (thisIt.hasNext()) {
77 if (!otherIt.hasNext()) {
81 final int comp = thisIt.next().compareTo(otherIt.next());
87 return otherIt.hasNext() ? -1 : 0;
90 private AugmentToGenType() {
91 throw new UnsupportedOperationException("Utility class");
95 * Converts all <b>augmentation</b> of the module to the list
96 * <code>Type</code> objects.
99 * module from which is obtained list of all augmentation objects
100 * to iterate over them
101 * @param schemaContext actual schema context
102 * @param typeProvider actual type provider instance
103 * @param genCtx generated input context
104 * @param genTypeBuilders auxiliary type builders map
105 * @param verboseClassComments verbosity switch
107 * @throws IllegalArgumentException
109 * <li>if the module is null</li>
110 * <li>if the name of module is null</li>
112 * @throws IllegalStateException
113 * if set of augmentations from module is null
115 static Map<Module, ModuleContext> generate(final Module module, final SchemaContext schemaContext,
116 final TypeProvider typeProvider, final Map<Module, ModuleContext> genCtx,
117 Map<String, Map<String, GeneratedTypeBuilder>> genTypeBuilders, final boolean verboseClassComments) {
119 Preconditions.checkArgument(module != null, "Module reference cannot be NULL.");
120 Preconditions.checkArgument(module.getName() != null, "Module name cannot be NULL.");
121 Preconditions.checkState(module.getAugmentations() != null, "Augmentations Set cannot be NULL.");
123 final String basePackageName = BindingMapping.getRootPackageName(module);
124 final List<AugmentationSchema> augmentations = resolveAugmentations(module, schemaContext);
125 Map<Module, ModuleContext> resultCtx = genCtx;
127 //let's group augments by target path
128 Map<SchemaPath, List<AugmentationSchema>> augmentationsGrouped =
129 augmentations.stream().collect(Collectors.groupingBy(AugmentationSchema::getTargetPath));
131 List<Map.Entry<SchemaPath, List<AugmentationSchema>>> sortedAugmentationsGrouped =
132 new ArrayList<>(augmentationsGrouped.entrySet());
133 Collections.sort(sortedAugmentationsGrouped, AUGMENTS_COMP);
135 //process child nodes of grouped augment entries
136 for (Map.Entry<SchemaPath, List<AugmentationSchema>> schemaPathAugmentListEntry : sortedAugmentationsGrouped) {
137 resultCtx = augmentationToGenTypes(basePackageName, schemaPathAugmentListEntry, module, schemaContext,
138 verboseClassComments, resultCtx, genTypeBuilders, typeProvider);
140 for (AugmentationSchema augSchema : schemaPathAugmentListEntry.getValue()) {
141 GenHelperUtil.processUsesImplements(augSchema, module, schemaContext, genCtx, BindingNamespaceType.Data);
150 * Returns list of <code>AugmentationSchema</code> objects. The objects are
151 * sorted according to the length of their target path from the shortest to
155 * module from which is obtained list of all augmentation objects
156 * @return list of sorted <code>AugmentationSchema</code> objects obtained
157 * from <code>module</code>
158 * @throws IllegalArgumentException
160 * @throws IllegalStateException
161 * if set of module augmentations is null
163 private static List<AugmentationSchema> resolveAugmentations(final Module module, final SchemaContext schemaContext) {
164 Preconditions.checkArgument(module != null, "Module reference cannot be NULL.");
165 Preconditions.checkState(module.getAugmentations() != null, "Augmentations Set cannot be NULL.");
167 final Set<AugmentationSchema> augmentations = module.getAugmentations();
168 final List<AugmentationSchema> sortedAugmentations = new ArrayList<>(augmentations).stream()
169 .filter(aug -> !module.equals(schemaContext.findModuleByNamespaceAndRevision(
170 aug.getTargetPath().getLastComponent().getNamespace(),
171 aug.getTargetPath().getLastComponent().getRevision())))
172 .collect(Collectors.toList());
173 Collections.sort(sortedAugmentations, AUGMENT_COMP);
175 return sortedAugmentations;
179 * Converts <code>augSchema</code> to list of <code>Type</code> which
180 * contains generated type for augmentation. In addition there are also
181 * generated types for all containers, list and choices which are child of
182 * <code>augSchema</code> node or a generated types for cases are added if
183 * augmented node is choice.
185 * @param basePackageName
186 * string with the name of the package to which the augmentation
188 * @param schemaPathAugmentListEntry
189 * list of AugmentationSchema nodes grouped by target path
190 * @param module current module
191 * @param schemaContext actual schema context
192 * @param verboseClassComments verbosity switch
193 * @param genCtx generated input context
194 * @param genTypeBuilders auxiliary type builders map
195 * @param typeProvider actual type provider instance
196 * @throws IllegalArgumentException
197 * if <code>augmentPackageName</code> equals null
198 * @throws IllegalStateException
199 * if augment target path is null
200 * @return generated context
202 private static Map<Module, ModuleContext> augmentationToGenTypes(final String basePackageName,
203 final Entry<SchemaPath, List<AugmentationSchema>> schemaPathAugmentListEntry, final Module module,
204 final SchemaContext schemaContext, final boolean verboseClassComments,
205 Map<Module, ModuleContext> genCtx, Map<String, Map<String, GeneratedTypeBuilder>> genTypeBuilders,
206 final TypeProvider typeProvider) {
207 Preconditions.checkArgument(basePackageName != null, "Package Name cannot be NULL.");
208 Preconditions.checkArgument(schemaPathAugmentListEntry != null, "Augmentation List Entry cannot be NULL.");
209 final SchemaPath targetPath = schemaPathAugmentListEntry.getKey();
210 Preconditions.checkState(targetPath != null,
211 "Augmentation List Entry does not contain Target Path (Target Path is NULL).");
213 final List<AugmentationSchema> augmentationSchemaList = schemaPathAugmentListEntry.getValue();
214 Preconditions.checkState(augmentationSchemaList.size() > 0,
215 "Augmentation List cannot be empty.");
217 SchemaNode targetSchemaNode = SchemaContextUtil.findDataSchemaNode(schemaContext, targetPath);
218 if (targetSchemaNode instanceof DataSchemaNode && ((DataSchemaNode) targetSchemaNode).isAddedByUses()) {
219 if (targetSchemaNode instanceof DerivableSchemaNode) {
220 targetSchemaNode = ((DerivableSchemaNode) targetSchemaNode).getOriginal().orNull();
222 if (targetSchemaNode == null) {
223 throw new IllegalStateException("Failed to find target node from grouping in augmentation " +
224 schemaPathAugmentListEntry.getValue().get(0)
225 + " in module " + module.getName());
228 if (targetSchemaNode == null) {
229 throw new IllegalArgumentException("augment target not found: " + targetPath);
232 GeneratedTypeBuilder targetTypeBuilder = GenHelperUtil.findChildNodeByPath(targetSchemaNode.getPath(),
234 if (targetTypeBuilder == null) {
235 targetTypeBuilder = GenHelperUtil.findCaseByPath(targetSchemaNode.getPath(), genCtx);
237 if (targetTypeBuilder == null) {
238 throw new NullPointerException("Target type not yet generated: " + targetSchemaNode);
241 final String augmentNamespacePackageName =
242 BindingGeneratorUtil.packageNameForAugmentedGeneratedType(basePackageName, targetPath);
244 if (!(targetSchemaNode instanceof ChoiceSchemaNode)) {
245 genCtx = GenHelperUtil.addRawAugmentGenTypeDefinition(module, augmentNamespacePackageName,
246 targetTypeBuilder.toInstance(), schemaPathAugmentListEntry.getValue(), genTypeBuilders, genCtx,
247 schemaContext, verboseClassComments, typeProvider, BindingNamespaceType.Data);
249 genCtx = generateTypesFromAugmentedChoiceCases(schemaContext, module, basePackageName,
250 targetTypeBuilder.toInstance(), (ChoiceSchemaNode) targetSchemaNode,
251 schemaPathAugmentListEntry.getValue(),
252 null, genCtx, verboseClassComments, genTypeBuilders, typeProvider,
253 BindingNamespaceType.Data);
259 static Map<Module, ModuleContext> usesAugmentationToGenTypes(final SchemaContext schemaContext,
260 final String augmentPackageName, final List<AugmentationSchema> schemaPathAugmentListEntry, final Module module,
261 final UsesNode usesNode, final DataNodeContainer usesNodeParent, Map<Module, ModuleContext> genCtx,
262 Map<String, Map<String, GeneratedTypeBuilder>> genTypeBuilders, final boolean verboseClassComments,
263 final TypeProvider typeProvider, final BindingNamespaceType namespaceType) {
265 Preconditions.checkArgument(augmentPackageName != null, "Package Name cannot be NULL.");
266 Preconditions.checkArgument(schemaPathAugmentListEntry != null,
267 "Augmentation Schema List Entry cannot be NULL.");
268 Preconditions.checkState(schemaPathAugmentListEntry.size() > 0,
269 "Augmentation Schema List cannot be empty");
271 final SchemaPath targetPath = schemaPathAugmentListEntry.get(0).getTargetPath();
272 Preconditions.checkState(targetPath != null,
273 "Augmentation Schema does not contain Target Path (Target Path is NULL).");
275 final SchemaNode targetSchemaNode = findOriginalTargetFromGrouping(schemaContext, targetPath, usesNode);
276 if (targetSchemaNode == null) {
277 throw new IllegalArgumentException("augment target not found: " + targetPath);
280 GeneratedTypeBuilder targetTypeBuilder = GenHelperUtil.findChildNodeByPath(targetSchemaNode.getPath(),
282 if (targetTypeBuilder == null) {
283 targetTypeBuilder = GenHelperUtil.findCaseByPath(targetSchemaNode.getPath(), genCtx);
285 if (targetTypeBuilder == null) {
286 throw new NullPointerException("Target type not yet generated: " + targetSchemaNode);
289 if (!(targetSchemaNode instanceof ChoiceSchemaNode)) {
290 String packageName = augmentPackageName;
291 if (usesNodeParent instanceof SchemaNode) {
292 packageName = BindingGeneratorUtil.packageNameForAugmentedGeneratedType(augmentPackageName,
293 ((SchemaNode) usesNodeParent).getPath());
294 } else if (usesNodeParent instanceof AugmentationSchema) {
295 Type parentTypeBuilder = genCtx.get(module).getTargetToAugmentation()
296 .get(((AugmentationSchema) usesNodeParent).getTargetPath());
297 packageName = BindingGeneratorUtil.packageNameForAugmentedGeneratedType(parentTypeBuilder.getPackageName(),
298 (AugmentationSchema)usesNodeParent);
300 genCtx = GenHelperUtil.addRawAugmentGenTypeDefinition(module, packageName,
301 targetTypeBuilder.toInstance(), schemaPathAugmentListEntry, genTypeBuilders, genCtx,
302 schemaContext, verboseClassComments, typeProvider, namespaceType);
305 genCtx = generateTypesFromAugmentedChoiceCases(schemaContext, module, augmentPackageName,
306 targetTypeBuilder.toInstance(), (ChoiceSchemaNode) targetSchemaNode,
307 schemaPathAugmentListEntry,
308 usesNodeParent, genCtx, verboseClassComments, genTypeBuilders, typeProvider, namespaceType);
314 * Convenient method to find node added by uses statement.
315 * @param schemaContext
318 * @param parentUsesNode
319 * parent of uses node
320 * @return node from its original location in grouping
322 private static DataSchemaNode findOriginalTargetFromGrouping(final SchemaContext schemaContext, final SchemaPath targetPath,
323 final UsesNode parentUsesNode) {
324 SchemaNode targetGrouping = null;
325 QName current = parentUsesNode.getGroupingPath().getPathFromRoot().iterator().next();
326 Module module = schemaContext.findModuleByNamespaceAndRevision(current.getNamespace(), current.getRevision());
327 if (module == null) {
328 throw new IllegalArgumentException("Fialed to find module for grouping in: " + parentUsesNode);
330 for (GroupingDefinition group : module.getGroupings()) {
331 if (group.getQName().equals(current)) {
332 targetGrouping = group;
338 if (targetGrouping == null) {
339 throw new IllegalArgumentException("Failed to generate code for augment in " + parentUsesNode);
342 SchemaNode result = targetGrouping;
343 for (final QName node : targetPath.getPathFromRoot()) {
344 if (result instanceof DataNodeContainer) {
345 final QName resultNode = QName.create(result.getQName().getModule(), node.getLocalName());
346 result = ((DataNodeContainer) result).getDataChildByName(resultNode);
347 } else if (result instanceof ChoiceSchemaNode) {
348 result = ((ChoiceSchemaNode) result).getCaseNodeByName(node.getLocalName());
351 if (result == null) {
355 if (result instanceof DerivableSchemaNode) {
356 DerivableSchemaNode castedResult = (DerivableSchemaNode) result;
357 Optional<? extends SchemaNode> originalNode = castedResult
359 if (castedResult.isAddedByUses() && originalNode.isPresent()) {
360 result = originalNode.get();
364 if (result instanceof DataSchemaNode) {
365 DataSchemaNode resultDataSchemaNode = (DataSchemaNode) result;
366 if (resultDataSchemaNode.isAddedByUses()) {
367 // The original node is required, but we have only the copy of
368 // the original node.
369 // Maybe this indicates a bug in Yang parser.
370 throw new IllegalStateException(
371 "Failed to generate code for augment in "
374 return resultDataSchemaNode;
377 throw new IllegalStateException(
378 "Target node of uses-augment statement must be DataSchemaNode. Failed to generate code for augment in "
384 * Generates list of generated types for all the cases of a choice which are
385 * added to the choice through the augment.
387 * @param schemaContext
390 * @param basePackageName
391 * string contains name of package to which augment belongs. If
392 * an augmented choice is from an other package (pcg1) than an
393 * augmenting choice (pcg2) then case's of the augmenting choice
394 * will belong to pcg2.
396 * Type which represents target choice
398 * node which represents target choice
399 * @param schemaPathAugmentListEntry
400 * list of AugmentationSchema nodes grouped by target path
401 * @return list of generated types which represents augmented cases of
402 * choice <code>refChoiceType</code>
403 * @throws IllegalArgumentException
405 * <li>if <code>basePackageName</code> is null</li>
406 * <li>if <code>targetType</code> is null</li>
407 * <li>if <code>augmentedNodes</code> is null</li>
410 private static Map<Module, ModuleContext> generateTypesFromAugmentedChoiceCases(
411 final SchemaContext schemaContext, final Module module,
412 final String basePackageName, final Type targetType, final ChoiceSchemaNode targetNode,
413 final List<AugmentationSchema> schemaPathAugmentListEntry,
414 final DataNodeContainer usesNodeParent,
415 Map<Module, ModuleContext> genCtx, final boolean verboseClassComments,
416 Map<String, Map<String, GeneratedTypeBuilder>> genTypeBuilders, final TypeProvider typeProvider,
417 final BindingNamespaceType namespaceType) {
418 Preconditions.checkArgument(basePackageName != null, "Base Package Name cannot be NULL.");
419 Preconditions.checkArgument(targetType != null, "Referenced Choice Type cannot be NULL.");
420 Preconditions.checkArgument(schemaPathAugmentListEntry != null, "Set of Choice Case Nodes cannot be NULL.");
423 for (final AugmentationSchema augmentationSchema : schemaPathAugmentListEntry) {
424 for (final DataSchemaNode caseNode : augmentationSchema.getChildNodes()) {
425 if (caseNode != null) {
426 final GeneratedTypeBuilder caseTypeBuilder = GenHelperUtil.addDefaultInterfaceDefinition(basePackageName,
427 caseNode, module, genCtx, schemaContext, verboseClassComments, genTypeBuilders, typeProvider,
429 caseTypeBuilder.addImplementsType(targetType);
432 final SchemaPath nodeSp = targetNode.getPath();
433 parent = SchemaContextUtil.findDataSchemaNode(schemaContext, nodeSp.getParent());
435 GeneratedTypeBuilder childOfType = null;
436 if (parent instanceof Module) {
437 childOfType = genCtx.get(parent).getModuleNode();
438 } else if (parent instanceof ChoiceCaseNode) {
439 childOfType = GenHelperUtil.findCaseByPath(parent.getPath(), genCtx);
440 } else if (parent instanceof DataSchemaNode || parent instanceof NotificationDefinition) {
441 childOfType = GenHelperUtil.findChildNodeByPath(parent.getPath(), genCtx);
442 } else if (parent instanceof GroupingDefinition) {
443 childOfType = GenHelperUtil.findGroupingByPath(parent.getPath(), genCtx);
446 if (childOfType == null) {
447 throw new IllegalArgumentException("Failed to find parent type of choice " + targetNode);
450 ChoiceCaseNode node = null;
451 final String caseLocalName = caseNode.getQName().getLocalName();
452 if (caseNode instanceof ChoiceCaseNode) {
453 node = (ChoiceCaseNode) caseNode;
454 } else if (targetNode.getCaseNodeByName(caseLocalName) == null) {
455 final String targetNodeLocalName = targetNode.getQName().getLocalName();
456 for (DataSchemaNode dataSchemaNode : usesNodeParent.getChildNodes()) {
457 if (dataSchemaNode instanceof ChoiceSchemaNode && targetNodeLocalName.equals(dataSchemaNode.getQName
458 ().getLocalName())) {
459 node = ((ChoiceSchemaNode) dataSchemaNode).getCaseNodeByName(caseLocalName);
464 node = targetNode.getCaseNodeByName(caseLocalName);
466 final Iterable<DataSchemaNode> childNodes = node.getChildNodes();
467 if (childNodes != null) {
468 GenHelperUtil.resolveDataSchemaNodes(module, basePackageName, caseTypeBuilder, childOfType,
469 childNodes, genCtx, schemaContext, verboseClassComments, genTypeBuilders, typeProvider,
472 genCtx.get(module).addCaseType(caseNode.getPath(), caseTypeBuilder);
473 genCtx.get(module).addChoiceToCaseMapping(targetType, caseTypeBuilder, node);