2 * Copyright (c) 2013 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.controller.config.yangjmxgenerator;
10 import static com.google.common.base.Preconditions.checkNotNull;
11 import static com.google.common.base.Preconditions.checkState;
12 import static java.lang.String.format;
13 import static org.opendaylight.controller.config.yangjmxgenerator.ConfigConstants.createConfigQName;
15 import com.google.common.annotations.VisibleForTesting;
16 import com.google.common.base.Function;
17 import com.google.common.base.Optional;
18 import com.google.common.collect.Collections2;
19 import com.google.common.collect.Maps;
20 import com.google.common.collect.Sets;
21 import java.util.Collection;
22 import java.util.Collections;
23 import java.util.HashMap;
25 import java.util.Objects;
27 import java.util.regex.Matcher;
28 import java.util.regex.Pattern;
29 import javax.annotation.Nullable;
30 import org.opendaylight.controller.config.yangjmxgenerator.attribute.AbstractDependencyAttribute;
31 import org.opendaylight.controller.config.yangjmxgenerator.attribute.AttributeIfc;
32 import org.opendaylight.controller.config.yangjmxgenerator.attribute.DependencyAttribute;
33 import org.opendaylight.controller.config.yangjmxgenerator.attribute.JavaAttribute;
34 import org.opendaylight.controller.config.yangjmxgenerator.attribute.ListAttribute;
35 import org.opendaylight.controller.config.yangjmxgenerator.attribute.ListDependenciesAttribute;
36 import org.opendaylight.controller.config.yangjmxgenerator.attribute.TOAttribute;
37 import org.opendaylight.controller.config.yangjmxgenerator.plugin.util.NameConflictException;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.rev130405.ServiceRef;
39 import org.opendaylight.yangtools.yang.common.QName;
40 import org.opendaylight.yangtools.yang.model.api.AugmentationSchema;
41 import org.opendaylight.yangtools.yang.model.api.ChoiceCaseNode;
42 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
43 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
44 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
45 import org.opendaylight.yangtools.yang.model.api.IdentitySchemaNode;
46 import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
47 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
48 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
49 import org.opendaylight.yangtools.yang.model.api.Module;
50 import org.opendaylight.yangtools.yang.model.api.ModuleImport;
51 import org.opendaylight.yangtools.yang.model.api.RevisionAwareXPath;
52 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
53 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
54 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
55 import org.opendaylight.yangtools.yang.model.api.UnknownSchemaNode;
56 import org.opendaylight.yangtools.yang.model.api.UsesNode;
57 import org.slf4j.Logger;
58 import org.slf4j.LoggerFactory;
60 final class ModuleMXBeanEntryBuilder {
62 private Module currentModule;
63 private Map<QName, ServiceInterfaceEntry> qNamesToSIEs;
64 private SchemaContext schemaContext;
65 private TypeProviderWrapper typeProviderWrapper;
66 private String packageName;
68 public ModuleMXBeanEntryBuilder setModule(final Module module) {
69 this.currentModule = module;
73 public ModuleMXBeanEntryBuilder setqNamesToSIEs(final Map<QName, ServiceInterfaceEntry> qNamesToSIEs) {
74 this.qNamesToSIEs = qNamesToSIEs;
78 public ModuleMXBeanEntryBuilder setSchemaContext(final SchemaContext schemaContext) {
79 this.schemaContext = schemaContext;
83 public ModuleMXBeanEntryBuilder setTypeProviderWrapper(final TypeProviderWrapper typeProviderWrapper) {
84 this.typeProviderWrapper = typeProviderWrapper;
88 public ModuleMXBeanEntryBuilder setPackageName(final String packageName) {
89 this.packageName = packageName;
93 private static final Logger LOG = LoggerFactory
94 .getLogger(ModuleMXBeanEntryBuilder.class);
96 // TODO: the XPath should be parsed by code generator IMO
97 private static final String MAGIC_STRING = "MAGIC_STRING";
98 private static final String MODULE_CONDITION_XPATH_TEMPLATE = "^/MAGIC_STRING:modules/MAGIC_STRING:module/MAGIC_STRING:type\\s*=\\s*['\"](.+)['\"]$";
99 private static final SchemaPath EXPECTED_CONFIGURATION_AUGMENTATION_SCHEMA_PATH = SchemaPath.create(true,
100 createConfigQName("modules"), createConfigQName("module"), createConfigQName("configuration"));
101 private static final SchemaPath EXPECTED_STATE_AUGMENTATION_SCHEMA_PATH = SchemaPath.create(true,
102 createConfigQName("modules"), createConfigQName("module"), createConfigQName("state"));
103 private static final Pattern PREFIX_COLON_LOCAL_NAME = Pattern
104 .compile("^(.+):(.+)$");
107 public Map<String, ModuleMXBeanEntry> build() {
108 LOG.debug("Generating ModuleMXBeans of {} to package {}",
109 currentModule.getNamespace(), packageName);
111 String configModulePrefix;
113 configModulePrefix = getConfigModulePrefixFromImport(currentModule);
114 } catch (IllegalArgumentException e) {
115 // this currentModule does not import config currentModule
116 return Collections.emptyMap();
119 // get identities of base config:currentModule-type
120 Map<String, IdentitySchemaNode> moduleIdentities = getIdentityMap();
122 Map<String, QName> uniqueGeneratedClassesNames = new HashMap<>();
124 // each currentModule name should have an augmentation defined
125 Map<String, IdentitySchemaNode> unaugmentedModuleIdentities = new HashMap<>(
128 Map<String, ModuleMXBeanEntry> result = new HashMap<>();
130 for (AugmentationSchema augmentation : currentModule.getAugmentations()) {
131 Collection<DataSchemaNode> childNodes = augmentation.getChildNodes();
132 if (areAllChildrenChoiceCaseNodes(childNodes)) {
133 for (ChoiceCaseNode childCase : castChildNodesToChoiceCases(childNodes)) {
134 // TODO refactor, extract to standalone builder class
135 processChoiceCaseNode(result, uniqueGeneratedClassesNames, configModulePrefix, moduleIdentities,
136 unaugmentedModuleIdentities, augmentation, childCase);
138 } // skip if child nodes are not all cases
141 cleanUpNulls(result);
142 // check attributes name uniqueness
143 checkAttributeNamesUniqueness(uniqueGeneratedClassesNames, result);
144 checkUnaugumentedIdentities(unaugmentedModuleIdentities);
146 LOG.debug("Number of ModuleMXBeans to be generated: {}", result.size());
151 private static void cleanUpNulls(final Map<String, ModuleMXBeanEntry> result) {
152 for (Map.Entry<String, ModuleMXBeanEntry> entry : result.entrySet()) {
153 ModuleMXBeanEntry module = entry.getValue();
154 if (module.getAttributes() == null) {
155 module.setYangToAttributes(Collections
156 .<String, AttributeIfc> emptyMap());
157 } else if (module.getRuntimeBeans() == null) {
158 module.setRuntimeBeans(Collections
159 .<RuntimeBeanEntry> emptyList());
164 private static void checkUnaugumentedIdentities(final Map<String, IdentitySchemaNode> unaugmentedModuleIdentities) {
165 if (unaugmentedModuleIdentities.size() > 0) {
166 LOG.warn("Augmentation not found for all currentModule identities: {}",
167 unaugmentedModuleIdentities.keySet());
171 private static void checkAttributeNamesUniqueness(final Map<String, QName> uniqueGeneratedClassesNames, final Map<String, ModuleMXBeanEntry> result) {
172 for (Map.Entry<String, ModuleMXBeanEntry> entry : result.entrySet()) {
173 checkUniqueRuntimeBeanAttributesName(entry.getValue(),
174 uniqueGeneratedClassesNames);
178 private Map<String, IdentitySchemaNode> getIdentityMap() {
179 Map<String, IdentitySchemaNode> moduleIdentities = Maps.newHashMap();
181 for (IdentitySchemaNode id : currentModule.getIdentities()) {
182 if (id.getBaseIdentity() != null
183 && ConfigConstants.MODULE_TYPE_Q_NAME.equals(id.getBaseIdentity().getQName())) {
184 String identityLocalName = id.getQName().getLocalName();
185 if (moduleIdentities.containsKey(identityLocalName)) {
186 throw new IllegalStateException("Module name already defined in this currentModule: "
187 + identityLocalName);
189 moduleIdentities.put(identityLocalName, id);
190 LOG.debug("Found identity {}", identityLocalName);
192 // validation check on unknown schema nodes
193 boolean providedServiceWasSet = false;
194 for (UnknownSchemaNode unknownNode : id.getUnknownSchemaNodes()) {
196 boolean unknownNodeIsProvidedServiceExtension = ConfigConstants.PROVIDED_SERVICE_EXTENSION_QNAME.equals(unknownNode.getNodeType());
197 // true => no op: 0 or more provided identities are allowed
199 if (ConfigConstants.JAVA_NAME_PREFIX_EXTENSION_QNAME.equals(unknownNode.getNodeType())) {
202 providedServiceWasSet == false,
203 format("More than one language extension %s is not allowed here: %s",
204 ConfigConstants.JAVA_NAME_PREFIX_EXTENSION_QNAME, id));
205 providedServiceWasSet = true;
206 } else if (unknownNodeIsProvidedServiceExtension == false) {
207 throw new IllegalStateException("Unexpected language extension " + unknownNode.getNodeType());
213 return moduleIdentities;
216 private Collection<ChoiceCaseNode> castChildNodesToChoiceCases(final Collection<DataSchemaNode> childNodes) {
217 return Collections2.transform(childNodes, new Function<DataSchemaNode, ChoiceCaseNode>() {
220 public ChoiceCaseNode apply(@Nullable final DataSchemaNode input) {
221 return (ChoiceCaseNode) input;
226 private boolean areAllChildrenChoiceCaseNodes(final Iterable<DataSchemaNode> childNodes) {
227 for (DataSchemaNode childNode : childNodes) {
228 if (childNode instanceof ChoiceCaseNode == false) {
235 private <HAS_CHILDREN_AND_QNAME extends DataNodeContainer & SchemaNode> void processChoiceCaseNode(final Map<String, ModuleMXBeanEntry> result,
236 final Map<String, QName> uniqueGeneratedClassesNames, final String configModulePrefix,
237 final Map<String, IdentitySchemaNode> moduleIdentities,
238 final Map<String, IdentitySchemaNode> unaugmentedModuleIdentities, final AugmentationSchema augmentation,
239 final DataSchemaNode when) {
241 ChoiceCaseNode choiceCaseNode = (ChoiceCaseNode) when;
242 if (choiceCaseNode.getConstraints() == null || choiceCaseNode.getConstraints().getWhenCondition() == null) {
245 RevisionAwareXPath xPath = choiceCaseNode.getConstraints().getWhenCondition();
246 Matcher matcher = getWhenConditionMatcher(configModulePrefix, xPath);
247 if (matcher.matches() == false) {
250 String moduleLocalNameFromXPath = matcher.group(1);
251 IdentitySchemaNode moduleIdentity = moduleIdentities.get(moduleLocalNameFromXPath);
252 unaugmentedModuleIdentities.remove(moduleLocalNameFromXPath);
253 checkState(moduleIdentity != null, "Cannot find identity " + moduleLocalNameFromXPath
254 + " matching augmentation " + augmentation);
255 Map<String, QName> providedServices = findProvidedServices(moduleIdentity, currentModule, qNamesToSIEs,
258 if (moduleIdentity == null) {
259 throw new IllegalStateException("Cannot find identity specified by augmentation xpath constraint: "
260 + moduleLocalNameFromXPath + " of " + augmentation);
262 String javaNamePrefix = TypeProviderWrapper.findJavaNamePrefix(moduleIdentity);
264 Map<String, AttributeIfc> yangToAttributes = null;
266 Collection<RuntimeBeanEntry> runtimeBeans = null;
268 HAS_CHILDREN_AND_QNAME dataNodeContainer = getDataNodeContainer(choiceCaseNode);
270 if (EXPECTED_CONFIGURATION_AUGMENTATION_SCHEMA_PATH.equals(augmentation.getTargetPath())) {
271 LOG.debug("Parsing configuration of {}", moduleLocalNameFromXPath);
272 yangToAttributes = fillConfiguration(dataNodeContainer, currentModule, typeProviderWrapper, qNamesToSIEs,
273 schemaContext, packageName);
274 checkUniqueAttributesWithGeneratedClass(uniqueGeneratedClassesNames, when.getQName(), yangToAttributes);
275 } else if (EXPECTED_STATE_AUGMENTATION_SCHEMA_PATH.equals(augmentation.getTargetPath())) {
276 LOG.debug("Parsing state of {}", moduleLocalNameFromXPath);
278 runtimeBeans = fillRuntimeBeans(dataNodeContainer, currentModule, typeProviderWrapper, packageName,
279 moduleLocalNameFromXPath, javaNamePrefix);
280 } catch (NameConflictException e) {
281 throw new NameConflictException(e.getConflictingName(), when.getQName(), when.getQName());
283 checkUniqueRuntimeBeansGeneratedClasses(uniqueGeneratedClassesNames, when, runtimeBeans);
284 Set<RuntimeBeanEntry> runtimeBeanEntryValues = Sets.newHashSet(runtimeBeans);
285 for (RuntimeBeanEntry entry : runtimeBeanEntryValues) {
286 checkUniqueAttributesWithGeneratedClass(uniqueGeneratedClassesNames, when.getQName(),
287 entry.getYangPropertiesToTypesMap());
291 throw new IllegalArgumentException("Cannot parse augmentation " + augmentation);
293 boolean hasDummyContainer = choiceCaseNode.equals(dataNodeContainer) == false;
295 String nullableDummyContainerName = hasDummyContainer ? dataNodeContainer.getQName().getLocalName() : null;
296 if (result.containsKey(moduleLocalNameFromXPath)) {
297 // either fill runtimeBeans or yangToAttributes, merge
298 ModuleMXBeanEntry moduleMXBeanEntry = result.get(moduleLocalNameFromXPath);
299 if (yangToAttributes != null && moduleMXBeanEntry.getAttributes() == null) {
300 moduleMXBeanEntry.setYangToAttributes(yangToAttributes);
301 } else if (runtimeBeans != null && moduleMXBeanEntry.getRuntimeBeans() == null) {
302 moduleMXBeanEntry.setRuntimeBeans(runtimeBeans);
304 checkState(Objects.equals(nullableDummyContainerName, moduleMXBeanEntry.getNullableDummyContainerName()),
305 "Mismatch in module " + moduleMXBeanEntry.toString() + " - dummy container must be present/missing in" +
306 " both state and configuration");
308 ModuleMXBeanEntry.ModuleMXBeanEntryInitial initial = new ModuleMXBeanEntry.ModuleMXBeanEntryInitialBuilder()
309 .setIdSchemaNode(moduleIdentity).setPackageName(packageName).setJavaNamePrefix(javaNamePrefix)
310 .setNamespace(currentModule.getNamespace().toString()).setqName(ModuleUtil.getQName(currentModule))
313 // construct ModuleMXBeanEntry
314 ModuleMXBeanEntry moduleMXBeanEntry = new ModuleMXBeanEntry(initial, yangToAttributes, providedServices,
317 moduleMXBeanEntry.setYangModuleName(currentModule.getName());
318 moduleMXBeanEntry.setYangModuleLocalname(moduleLocalNameFromXPath);
319 moduleMXBeanEntry.setNullableDummyContainerName(nullableDummyContainerName);
320 result.put(moduleLocalNameFromXPath, moduleMXBeanEntry);
324 private void checkUniqueRuntimeBeansGeneratedClasses(final Map<String, QName> uniqueGeneratedClassesNames,
325 final DataSchemaNode when, final Collection<RuntimeBeanEntry> runtimeBeans) {
326 for (RuntimeBeanEntry runtimeBean : runtimeBeans) {
327 final String javaNameOfRuntimeMXBean = runtimeBean.getJavaNameOfRuntimeMXBean();
328 if (uniqueGeneratedClassesNames.containsKey(javaNameOfRuntimeMXBean)) {
329 QName firstDefinedQName = uniqueGeneratedClassesNames.get(javaNameOfRuntimeMXBean);
330 throw new NameConflictException(javaNameOfRuntimeMXBean, firstDefinedQName, when.getQName());
332 uniqueGeneratedClassesNames.put(javaNameOfRuntimeMXBean, when.getQName());
336 private static void checkUniqueRuntimeBeanAttributesName(final ModuleMXBeanEntry mxBeanEntry,
337 final Map<String, QName> uniqueGeneratedClassesNames) {
338 for (RuntimeBeanEntry runtimeBeanEntry : mxBeanEntry.getRuntimeBeans()) {
339 for (String runtimeAttName : runtimeBeanEntry.getYangPropertiesToTypesMap().keySet()) {
340 if (mxBeanEntry.getAttributes().keySet().contains(runtimeAttName)) {
341 QName qName1 = uniqueGeneratedClassesNames.get(runtimeBeanEntry.getJavaNameOfRuntimeMXBean());
342 QName qName2 = uniqueGeneratedClassesNames.get(mxBeanEntry.getGloballyUniqueName());
343 throw new NameConflictException(runtimeAttName, qName1, qName2);
349 private void checkUniqueAttributesWithGeneratedClass(final Map<String, QName> uniqueGeneratedClassNames,
350 final QName parentQName, final Map<String, AttributeIfc> yangToAttributes) {
351 for (Map.Entry<String, AttributeIfc> attr : yangToAttributes.entrySet()) {
352 if (attr.getValue() instanceof TOAttribute) {
353 checkUniqueTOAttr(uniqueGeneratedClassNames, parentQName, (TOAttribute) attr.getValue());
354 } else if (attr.getValue() instanceof ListAttribute
355 && ((ListAttribute) attr.getValue()).getInnerAttribute() instanceof TOAttribute) {
356 checkUniqueTOAttr(uniqueGeneratedClassNames, parentQName,
357 (TOAttribute) ((ListAttribute) attr.getValue()).getInnerAttribute());
362 private void checkUniqueTOAttr(final Map<String, QName> uniqueGeneratedClassNames, final QName parentQName, final TOAttribute attr) {
363 final String upperCaseCamelCase = attr.getUpperCaseCammelCase();
364 if (uniqueGeneratedClassNames.containsKey(upperCaseCamelCase)) {
365 QName firstDefinedQName = uniqueGeneratedClassNames.get(upperCaseCamelCase);
366 throw new NameConflictException(upperCaseCamelCase, firstDefinedQName, parentQName);
368 uniqueGeneratedClassNames.put(upperCaseCamelCase, parentQName);
372 private Collection<RuntimeBeanEntry> fillRuntimeBeans(final DataNodeContainer dataNodeContainer, final Module currentModule,
373 final TypeProviderWrapper typeProviderWrapper, final String packageName, final String moduleLocalNameFromXPath,
374 final String javaNamePrefix) {
376 return RuntimeBeanEntry.extractClassNameToRuntimeBeanMap(packageName, dataNodeContainer, moduleLocalNameFromXPath,
377 typeProviderWrapper, javaNamePrefix, currentModule).values();
382 * Since each case statement within a module must provide unique child nodes, it is allowed to wrap
383 * the actual configuration with a container node with name equal to case name.
385 * @param choiceCaseNode state or configuration case statement
386 * @return either choiceCaseNode or its only child container
388 private <HAS_CHILDREN_AND_QNAME extends DataNodeContainer & SchemaNode> HAS_CHILDREN_AND_QNAME getDataNodeContainer(final ChoiceCaseNode choiceCaseNode) {
389 Collection<DataSchemaNode> childNodes = choiceCaseNode.getChildNodes();
390 if (childNodes.size() == 1) {
391 DataSchemaNode onlyChild = childNodes.iterator().next();
392 if (onlyChild instanceof ContainerSchemaNode) {
393 ContainerSchemaNode onlyContainer = (ContainerSchemaNode) onlyChild;
394 if (Objects.equals(onlyContainer.getQName().getLocalName(), choiceCaseNode.getQName().getLocalName())) {
395 // the actual configuration is inside dummy container
396 return (HAS_CHILDREN_AND_QNAME) onlyContainer;
400 return (HAS_CHILDREN_AND_QNAME) choiceCaseNode;
403 private Map<String, AttributeIfc> fillConfiguration(final DataNodeContainer dataNodeContainer, final Module currentModule,
404 final TypeProviderWrapper typeProviderWrapper, final Map<QName, ServiceInterfaceEntry> qNamesToSIEs,
405 final SchemaContext schemaContext, final String packageName) {
406 Map<String, AttributeIfc> yangToAttributes = new HashMap<>();
407 for (DataSchemaNode attrNode : dataNodeContainer.getChildNodes()) {
408 AttributeIfc attributeValue = getAttributeValue(attrNode, currentModule, qNamesToSIEs, typeProviderWrapper,
409 schemaContext, packageName);
410 yangToAttributes.put(attributeValue.getAttributeYangName(), attributeValue);
412 return yangToAttributes;
415 private Map<String, QName> findProvidedServices(final IdentitySchemaNode moduleIdentity, final Module currentModule,
416 final Map<QName, ServiceInterfaceEntry> qNamesToSIEs, final SchemaContext schemaContext) {
417 Map<String, QName> result = new HashMap<>();
418 for (UnknownSchemaNode unknownNode : moduleIdentity.getUnknownSchemaNodes()) {
419 if (ConfigConstants.PROVIDED_SERVICE_EXTENSION_QNAME.equals(unknownNode.getNodeType())) {
420 String prefixAndIdentityLocalName = unknownNode.getNodeParameter();
421 ServiceInterfaceEntry sie = findSIE(prefixAndIdentityLocalName, currentModule, qNamesToSIEs,
423 result.put(sie.getFullyQualifiedName(), sie.getQName());
429 private AttributeIfc getAttributeValue(final DataSchemaNode attrNode, final Module currentModule,
430 final Map<QName, ServiceInterfaceEntry> qNamesToSIEs, final TypeProviderWrapper typeProviderWrapper,
431 final SchemaContext schemaContext, final String packageName) {
433 if (attrNode instanceof LeafSchemaNode) {
435 LeafSchemaNode leaf = (LeafSchemaNode) attrNode;
436 return new JavaAttribute(leaf, typeProviderWrapper);
437 } else if (attrNode instanceof ContainerSchemaNode) {
439 ContainerSchemaNode containerSchemaNode = (ContainerSchemaNode) attrNode;
440 Optional<? extends AbstractDependencyAttribute> dependencyAttributeOptional = extractDependency(
441 containerSchemaNode, attrNode, currentModule, qNamesToSIEs, schemaContext);
442 if (dependencyAttributeOptional.isPresent()) {
443 return dependencyAttributeOptional.get();
445 return TOAttribute.create(containerSchemaNode, typeProviderWrapper, packageName);
448 } else if (attrNode instanceof LeafListSchemaNode) {
449 return ListAttribute.create((LeafListSchemaNode) attrNode, typeProviderWrapper);
450 } else if (attrNode instanceof ListSchemaNode) {
451 ListSchemaNode listSchemaNode = (ListSchemaNode) attrNode;
452 Optional<? extends AbstractDependencyAttribute> dependencyAttributeOptional = extractDependency(
453 listSchemaNode, attrNode, currentModule, qNamesToSIEs, schemaContext);
454 if (dependencyAttributeOptional.isPresent()) {
455 return dependencyAttributeOptional.get();
457 return ListAttribute.create(listSchemaNode, typeProviderWrapper, packageName);
460 throw new UnsupportedOperationException("Unknown configuration node " + attrNode.toString());
464 private Optional<? extends AbstractDependencyAttribute> extractDependency(final DataNodeContainer dataNodeContainer,
465 final DataSchemaNode attrNode, final Module currentModule, final Map<QName, ServiceInterfaceEntry> qNamesToSIEs,
466 final SchemaContext schemaContext) {
467 if (isDependencyContainer(dataNodeContainer)) {
469 UsesNode usesNode = dataNodeContainer.getUses().iterator().next();
470 checkState(usesNode.getRefines().size() == 1, "Unexpected 'refine' child node size of " + dataNodeContainer);
471 LeafSchemaNode refine = (LeafSchemaNode) usesNode.getRefines().values().iterator().next();
472 checkState(refine.getUnknownSchemaNodes().size() == 1, "Unexpected unknown schema node size of " + refine);
473 UnknownSchemaNode requiredIdentity = refine.getUnknownSchemaNodes().iterator().next();
474 checkState(ConfigConstants.REQUIRED_IDENTITY_EXTENSION_QNAME.equals(requiredIdentity.getNodeType()),
475 "Unexpected language extension " + requiredIdentity);
476 String prefixAndIdentityLocalName = requiredIdentity.getNodeParameter();
477 // import should point to a module
478 ServiceInterfaceEntry serviceInterfaceEntry = findSIE(prefixAndIdentityLocalName, currentModule,
479 qNamesToSIEs, schemaContext);
480 boolean mandatory = refine.getConstraints().isMandatory();
481 AbstractDependencyAttribute reference;
482 if (dataNodeContainer instanceof ContainerSchemaNode) {
483 reference = new DependencyAttribute(attrNode, serviceInterfaceEntry, mandatory,
484 attrNode.getDescription());
486 reference = new ListDependenciesAttribute(attrNode, serviceInterfaceEntry, mandatory,
487 attrNode.getDescription());
489 return Optional.of(reference);
491 return Optional.absent();
494 private boolean isDependencyContainer(final DataNodeContainer dataNodeContainer) {
495 if(dataNodeContainer.getUses().size() != 1) {
498 UsesNode onlyUses = dataNodeContainer.getUses().iterator().next();
499 if(onlyUses.getGroupingPath().getLastComponent().equals(ServiceRef.QNAME) == false) {
503 return getChildNodeSizeWithoutUses(dataNodeContainer) == 0;
506 private int getChildNodeSizeWithoutUses(final DataNodeContainer csn) {
508 for (DataSchemaNode dsn : csn.getChildNodes()) {
509 if (dsn.isAddedByUses() == false) {
516 private ServiceInterfaceEntry findSIE(final String prefixAndIdentityLocalName, final Module currentModule,
517 final Map<QName, ServiceInterfaceEntry> qNamesToSIEs, final SchemaContext schemaContext) {
519 Matcher m = PREFIX_COLON_LOCAL_NAME.matcher(prefixAndIdentityLocalName);
523 // if there is a prefix, look for ModuleImport with this prefix. Get
524 // Module from SchemaContext
525 String prefix = m.group(1);
526 ModuleImport moduleImport = findModuleImport(currentModule, prefix);
527 foundModule = schemaContext.findModuleByName(moduleImport.getModuleName(), moduleImport.getRevision());
528 checkNotNull(foundModule, format("Module not found in SchemaContext by %s", moduleImport));
529 localSIName = m.group(2);
531 foundModule = currentModule; // no prefix => SIE is in currentModule
532 localSIName = prefixAndIdentityLocalName;
534 QName siQName = QName.create(foundModule.getNamespace(), foundModule.getRevision(), localSIName);
535 ServiceInterfaceEntry sie = qNamesToSIEs.get(siQName);
536 checkState(sie != null, "Cannot find referenced Service Interface by " + prefixAndIdentityLocalName);
540 private ModuleImport findModuleImport(final Module module, final String prefix) {
541 for (ModuleImport moduleImport : module.getImports()) {
542 if (moduleImport.getPrefix().equals(prefix)) {
546 throw new IllegalStateException(format("Import not found with prefix %s in %s", prefix, module));
550 static Matcher getWhenConditionMatcher(final String prefix, final RevisionAwareXPath whenConstraint) {
551 String xpathRegex = MODULE_CONDITION_XPATH_TEMPLATE.replace(MAGIC_STRING, prefix);
552 Pattern pattern = Pattern.compile(xpathRegex);
553 return pattern.matcher(whenConstraint.toString());
556 String getConfigModulePrefixFromImport(final Module currentModule) {
557 for (ModuleImport currentImport : currentModule.getImports()) {
558 if (currentImport.getModuleName().equals(ConfigConstants.CONFIG_MODULE)) {
559 return currentImport.getPrefix();
562 throw new IllegalArgumentException("Cannot find import " + ConfigConstants.CONFIG_MODULE + " in "