Adjust to yangtools-2.0.0 changes
[controller.git] / opendaylight / config / yang-jmx-generator / src / main / java / org / opendaylight / controller / config / yangjmxgenerator / ModuleMXBeanEntry.java
index 869488e777350e08106d786e85fd648f5c1028a3..ebddb4ff81e3caf0f26a704b7b265b62fa69da99 100644 (file)
@@ -7,55 +7,15 @@
  */
 package org.opendaylight.controller.config.yangjmxgenerator;
 
-import static com.google.common.base.Preconditions.checkNotNull;
-import static com.google.common.base.Preconditions.checkState;
-import static java.lang.String.format;
-import static org.opendaylight.controller.config.yangjmxgenerator.ConfigConstants.createConfigQName;
-
-import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
-import java.util.HashMap;
 import java.util.Map;
-import java.util.Map.Entry;
-import java.util.Set;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
-import org.opendaylight.controller.config.yangjmxgenerator.attribute.AbstractDependencyAttribute;
 import org.opendaylight.controller.config.yangjmxgenerator.attribute.AttributeIfc;
-import org.opendaylight.controller.config.yangjmxgenerator.attribute.DependencyAttribute;
-import org.opendaylight.controller.config.yangjmxgenerator.attribute.JavaAttribute;
-import org.opendaylight.controller.config.yangjmxgenerator.attribute.ListAttribute;
-import org.opendaylight.controller.config.yangjmxgenerator.attribute.ListDependenciesAttribute;
-import org.opendaylight.controller.config.yangjmxgenerator.attribute.TOAttribute;
 import org.opendaylight.controller.config.yangjmxgenerator.plugin.util.FullyQualifiedNameHelper;
-import org.opendaylight.controller.config.yangjmxgenerator.plugin.util.NameConflictException;
-import org.opendaylight.yangtools.binding.generator.util.BindingGeneratorUtil;
 import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.model.api.AugmentationSchema;
-import org.opendaylight.yangtools.yang.model.api.ChoiceCaseNode;
-import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
-import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
 import org.opendaylight.yangtools.yang.model.api.IdentitySchemaNode;
-import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
 import org.opendaylight.yangtools.yang.model.api.Module;
-import org.opendaylight.yangtools.yang.model.api.ModuleImport;
-import org.opendaylight.yangtools.yang.model.api.RevisionAwareXPath;
 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
-import org.opendaylight.yangtools.yang.model.api.SchemaNode;
-import org.opendaylight.yangtools.yang.model.api.SchemaPath;
-import org.opendaylight.yangtools.yang.model.api.UnknownSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.UsesNode;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.google.common.annotations.VisibleForTesting;
-import com.google.common.base.Optional;
-import com.google.common.collect.Sets;
 
 /**
  * Represents part of yang model that describes a module.
@@ -96,70 +56,37 @@ import com.google.common.collect.Sets;
  * </pre>
  *
  * </blockquote>
- * </p>
  */
 public class ModuleMXBeanEntry extends AbstractEntry {
-    private static final Logger logger = LoggerFactory
-            .getLogger(ModuleMXBeanEntry.class);
-
-    // TODO: the XPath should be parsed by code generator IMO
-    private static final String MAGIC_STRING = "MAGIC_STRING";
-    private static final String MODULE_CONDITION_XPATH_TEMPLATE = "^/MAGIC_STRING:modules/MAGIC_STRING:module/MAGIC_STRING:type\\s*=\\s*['\"](.+)['\"]$";
-    private static final SchemaPath expectedConfigurationAugmentationSchemaPath = new SchemaPath(
-            Arrays.asList(createConfigQName("modules"),
-                    createConfigQName("module"),
-                    createConfigQName("configuration")), true);
-    private static final SchemaPath expectedStateAugmentationSchemaPath = new SchemaPath(
-            Arrays.asList(createConfigQName("modules"),
-                    createConfigQName("module"), createConfigQName("state")),
-            true);
-
-    private static final Pattern PREFIX_COLON_LOCAL_NAME = Pattern
-            .compile("^(.+):(.+)$");
 
     private static final String MODULE_SUFFIX = "Module";
     private static final String FACTORY_SUFFIX = MODULE_SUFFIX + "Factory";
     private static final String CLASS_NAME_SUFFIX = MODULE_SUFFIX + "MXBean";
     private static final String ABSTRACT_PREFIX = "Abstract";
 
-    /*
-     * threadpool-dynamic from the example above, taken from when condition, not
-     * the case name
-     */
-    private final String globallyUniqueName;
+    private final ModuleMXBeanEntryInitial initial;
 
     private Map<String, AttributeIfc> yangToAttributes;
 
-    private final String nullableDescription, packageName, javaNamePrefix,
-            namespace;
-
     private final Map<String, QName> providedServices;
 
     private Collection<RuntimeBeanEntry> runtimeBeans;
-    private final QName yangModuleQName;
-
-    public ModuleMXBeanEntry(IdentitySchemaNode id,
-            Map<String, AttributeIfc> yangToAttributes, String packageName,
-            Map<String, QName> providedServices2, String javaNamePrefix,
-            String namespace, Collection<RuntimeBeanEntry> runtimeBeans,
-            QName yangModuleQName) {
-        this.globallyUniqueName = id.getQName().getLocalName();
+    private String nullableDummyContainerName;
+
+    ModuleMXBeanEntry(final ModuleMXBeanEntryInitial initials, final Map<String, AttributeIfc> yangToAttributes,
+            final Map<String, QName> providedServices2, final Collection<RuntimeBeanEntry> runtimeBeans) {
         this.yangToAttributes = yangToAttributes;
-        this.nullableDescription = id.getDescription();
-        this.packageName = packageName;
-        this.javaNamePrefix = checkNotNull(javaNamePrefix);
-        this.namespace = checkNotNull(namespace);
         this.providedServices = Collections.unmodifiableMap(providedServices2);
         this.runtimeBeans = runtimeBeans;
-        this.yangModuleQName = yangModuleQName;
+        this.initial = initials;
     }
 
     public String getMXBeanInterfaceName() {
-        return javaNamePrefix + CLASS_NAME_SUFFIX;
+        return initial.javaNamePrefix + CLASS_NAME_SUFFIX;
     }
 
     public String getStubFactoryName() {
-        return javaNamePrefix + FACTORY_SUFFIX;
+        return initial.javaNamePrefix + FACTORY_SUFFIX;
     }
 
     public String getAbstractFactoryName() {
@@ -167,24 +94,24 @@ public class ModuleMXBeanEntry extends AbstractEntry {
     }
 
     public String getStubModuleName() {
-        return javaNamePrefix + MODULE_SUFFIX;
+        return initial.javaNamePrefix + MODULE_SUFFIX;
     }
 
     public String getAbstractModuleName() {
         return ABSTRACT_PREFIX + getStubModuleName();
     }
 
-    public String getFullyQualifiedName(String typeName) {
-        return FullyQualifiedNameHelper.getFullyQualifiedName(packageName,
+    public String getFullyQualifiedName(final String typeName) {
+        return FullyQualifiedNameHelper.getFullyQualifiedName(initial.packageName,
                 typeName);
     }
 
     public String getGloballyUniqueName() {
-        return globallyUniqueName;
+        return initial.localName;
     }
 
     public String getPackageName() {
-        return packageName;
+        return initial.packageName;
     }
 
     /**
@@ -196,7 +123,7 @@ public class ModuleMXBeanEntry extends AbstractEntry {
         return providedServices;
     }
 
-    public void setRuntimeBeans(Collection<RuntimeBeanEntry> newRuntimeBeans) {
+    public void setRuntimeBeans(final Collection<RuntimeBeanEntry> newRuntimeBeans) {
         runtimeBeans = newRuntimeBeans;
     }
 
@@ -205,31 +132,11 @@ public class ModuleMXBeanEntry extends AbstractEntry {
     }
 
     public String getJavaNamePrefix() {
-        return javaNamePrefix;
+        return initial.javaNamePrefix;
     }
 
     public String getNamespace() {
-        return namespace;
-    }
-
-    @VisibleForTesting
-    static Matcher getWhenConditionMatcher(String prefix,
-            RevisionAwareXPath whenConstraint) {
-        String xpathRegex = MODULE_CONDITION_XPATH_TEMPLATE.replace(
-                MAGIC_STRING, prefix);
-        Pattern pattern = Pattern.compile(xpathRegex);
-        return pattern.matcher(whenConstraint.toString());
-    }
-
-    static String getConfigModulePrefixFromImport(Module currentModule) {
-        for (ModuleImport currentImport : currentModule.getImports()) {
-            if (currentImport.getModuleName().equals(
-                    ConfigConstants.CONFIG_MODULE)) {
-                return currentImport.getPrefix();
-            }
-        }
-        throw new IllegalArgumentException("Cannot find import "
-                + ConfigConstants.CONFIG_MODULE + " in " + currentModule);
+        return initial.namespace;
     }
 
     /**
@@ -240,508 +147,106 @@ public class ModuleMXBeanEntry extends AbstractEntry {
      *         instances as values
      */
     public static Map<String/* identity local name */, ModuleMXBeanEntry> create(
-            Module currentModule,
-            Map<QName, ServiceInterfaceEntry> qNamesToSIEs,
-            SchemaContext schemaContext,
-            TypeProviderWrapper typeProviderWrapper, String packageName) {
-        Map<String, QName> uniqueGeneratedClassesNames = new HashMap<>();
-        logger.debug("Generating ModuleMXBeans of {} to package {}",
-                currentModule.getNamespace(), packageName);
-        String configModulePrefix;
-        try {
-            configModulePrefix = getConfigModulePrefixFromImport(currentModule);
-        } catch (IllegalArgumentException e) {
-            // this module does not import config module
-            return Collections.emptyMap();
-        }
+            final Module currentModule,
+            final Map<QName, ServiceInterfaceEntry> qNamesToSIEs,
+            final SchemaContext schemaContext,
+            final TypeProviderWrapper typeProviderWrapper, final String packageName) {
 
-        // get identities of base config:module-type
-        Map<String, IdentitySchemaNode> moduleIdentities = new HashMap<>();
-
-        for (IdentitySchemaNode id : currentModule.getIdentities()) {
-            if (id.getBaseIdentity() != null
-                    && ConfigConstants.MODULE_TYPE_Q_NAME.equals(id
-                            .getBaseIdentity().getQName())) {
-                String identityLocalName = id.getQName().getLocalName();
-                if (moduleIdentities.containsKey(identityLocalName)) {
-                    throw new IllegalStateException(
-                            "Module name already defined in this module: "
-                                    + identityLocalName);
-                } else {
-                    moduleIdentities.put(identityLocalName, id);
-                    logger.debug("Found identity {}", identityLocalName);
-                }
-                // validation check on unknown schema nodes
-                boolean providedServiceWasSet = false;
-                for (UnknownSchemaNode unknownNode : id.getUnknownSchemaNodes()) {
-                    // TODO: test this
-                    if (ConfigConstants.PROVIDED_SERVICE_EXTENSION_QNAME
-                            .equals(unknownNode.getNodeType())) {
-                        // no op: 0 or more provided identities are allowed
-                    } else if (ConfigConstants.JAVA_NAME_PREFIX_EXTENSION_QNAME
-                            .equals(unknownNode.getNodeType())) {
-                        // 0..1 allowed
-                        checkState(
-                                providedServiceWasSet == false,
-                                format("More than one language extension %s is not allowed here: %s",
-                                        ConfigConstants.JAVA_NAME_PREFIX_EXTENSION_QNAME,
-                                        id));
-                        providedServiceWasSet = true;
-                    } else {
-                        throw new IllegalStateException(
-                                "Unexpected language extension "
-                                        + unknownNode.getNodeType());
-                    }
-                }
-            }
-        }
-        Map<String, ModuleMXBeanEntry> result = new HashMap<>();
-        // each module name should have an augmentation defined
-        Map<String, IdentitySchemaNode> unaugmentedModuleIdentities = new HashMap<>(
-                moduleIdentities);
-        for (AugmentationSchema augmentation : currentModule.getAugmentations()) {
-            Set<DataSchemaNode> childNodes = augmentation.getChildNodes();
-            if (childNodes.size() == 1) {
-                DataSchemaNode when = childNodes.iterator().next();
-                if (when instanceof ChoiceCaseNode) {
-                    ChoiceCaseNode choiceCaseNode = (ChoiceCaseNode) when;
-                    if (choiceCaseNode.getConstraints() == null
-                            || choiceCaseNode.getConstraints()
-                                    .getWhenCondition() == null) {
-                        continue;
-                    }
-                    RevisionAwareXPath xPath = choiceCaseNode.getConstraints()
-                            .getWhenCondition();
-                    Matcher matcher = getWhenConditionMatcher(
-                            configModulePrefix, xPath);
-                    if (matcher.matches() == false) {
-                        continue;
-                    }
-                    String moduleLocalNameFromXPath = matcher.group(1);
-                    IdentitySchemaNode moduleIdentity = moduleIdentities
-                            .get(moduleLocalNameFromXPath);
-                    unaugmentedModuleIdentities
-                            .remove(moduleLocalNameFromXPath);
-                    checkState(moduleIdentity != null, "Cannot find identity "
-                            + moduleLocalNameFromXPath
-                            + " matching augmentation " + augmentation);
-                    Map<String, QName> providedServices = findProvidedServices(
-                            moduleIdentity, currentModule, qNamesToSIEs,
-                            schemaContext);
-
-                    if (moduleIdentity == null) {
-                        throw new IllegalStateException(
-                                "Cannot find identity specified by augmentation xpath constraint: "
-                                        + moduleLocalNameFromXPath + " of "
-                                        + augmentation);
-                    }
-                    String javaNamePrefix = findJavaNamePrefix(moduleIdentity);
-
-                    Map<String, AttributeIfc> yangToAttributes = null;
-                    // runtime-data
-                    Collection<RuntimeBeanEntry> runtimeBeans = null;
-
-                    if (expectedConfigurationAugmentationSchemaPath
-                            .equals(augmentation.getTargetPath())) {
-                        logger.debug("Parsing configuration of {}",
-                                moduleLocalNameFromXPath);
-                        yangToAttributes = fillConfiguration(choiceCaseNode,
-                                currentModule, typeProviderWrapper,
-                                qNamesToSIEs, schemaContext, packageName);
-                        checkUniqueAttributesWithGeneratedClass(
-                                uniqueGeneratedClassesNames, when.getQName(),
-                                yangToAttributes);
-                    } else if (expectedStateAugmentationSchemaPath
-                            .equals(augmentation.getTargetPath())) {
-                        logger.debug("Parsing state of {}",
-                                moduleLocalNameFromXPath);
-                        try {
-                            runtimeBeans = fillRuntimeBeans(choiceCaseNode,
-                                    currentModule, typeProviderWrapper,
-                                    packageName, moduleLocalNameFromXPath,
-                                    javaNamePrefix);
-                        } catch (NameConflictException e) {
-                            throw new NameConflictException(
-                                    e.getConflictingName(), when.getQName(),
-                                    when.getQName());
-                        }
-                        checkUniqueRuntimeBeansGeneratedClasses(
-                                uniqueGeneratedClassesNames, when, runtimeBeans);
-                        Set<RuntimeBeanEntry> runtimeBeanEntryValues = Sets
-                                .newHashSet(runtimeBeans);
-                        for (RuntimeBeanEntry entry : runtimeBeanEntryValues) {
-                            checkUniqueAttributesWithGeneratedClass(
-                                    uniqueGeneratedClassesNames,
-                                    when.getQName(),
-                                    entry.getYangPropertiesToTypesMap());
-                        }
-
-                    } else {
-                        throw new IllegalArgumentException(
-                                "Cannot parse augmentation " + augmentation);
-                    }
-                    if (result.containsKey(moduleLocalNameFromXPath)) {
-                        // either fill runtimeBeans or yangToAttributes
-                        ModuleMXBeanEntry moduleMXBeanEntry = result
-                                .get(moduleLocalNameFromXPath);
-                        if (yangToAttributes != null
-                                && moduleMXBeanEntry.getAttributes() == null) {
-                            moduleMXBeanEntry
-                                    .setYangToAttributes(yangToAttributes);
-                        } else if (runtimeBeans != null
-                                && moduleMXBeanEntry.getRuntimeBeans() == null) {
-                            moduleMXBeanEntry.setRuntimeBeans(runtimeBeans);
-                        }
-                    } else {
-                        // construct ModuleMXBeanEntry
-                        ModuleMXBeanEntry moduleMXBeanEntry = new ModuleMXBeanEntry(
-                                moduleIdentity, yangToAttributes, packageName,
-                                providedServices, javaNamePrefix, currentModule
-                                        .getNamespace().toString(),
-                                runtimeBeans,
-                                ModuleUtil.getQName(currentModule));
-                        moduleMXBeanEntry.setYangModuleName(currentModule
-                                .getName());
-                        moduleMXBeanEntry
-                                .setYangModuleLocalname(moduleLocalNameFromXPath);
-                        result.put(moduleLocalNameFromXPath, moduleMXBeanEntry);
-                    }
-                } // skip if child node is not ChoiceCaseNode
-            } // skip if childNodes != 1
-        }
-        // clean up nulls
-        for (Entry<String, ModuleMXBeanEntry> entry : result.entrySet()) {
-            ModuleMXBeanEntry module = entry.getValue();
-            if (module.getAttributes() == null) {
-                module.setYangToAttributes(Collections
-                        .<String, AttributeIfc> emptyMap());
-            } else if (module.getRuntimeBeans() == null) {
-                module.setRuntimeBeans(Collections
-                        .<RuntimeBeanEntry> emptyList());
-            }
-        }
-        // check attributes name uniqueness
-        for (Entry<String, ModuleMXBeanEntry> entry : result.entrySet()) {
-            checkUniqueRuntimeBeanAttributesName(entry.getValue(),
-                    uniqueGeneratedClassesNames);
-        }
-        if (unaugmentedModuleIdentities.size() > 0) {
-            logger.warn("Augmentation not found for all module identities: {}",
-                    unaugmentedModuleIdentities.keySet());
-        }
+        ModuleMXBeanEntryBuilder builder = new ModuleMXBeanEntryBuilder().setModule(currentModule).setqNamesToSIEs(qNamesToSIEs)
+                .setSchemaContext(schemaContext).setTypeProviderWrapper(typeProviderWrapper)
+                .setPackageName(packageName);
 
-        logger.debug("Number of ModuleMXBeans to be generated: {}",
-                result.size());
-        return result;
+        return builder.build();
     }
 
-    private static void checkUniqueRuntimeBeansGeneratedClasses(
-            Map<String, QName> uniqueGeneratedClassesNames,
-            DataSchemaNode when, Collection<RuntimeBeanEntry> runtimeBeans) {
-        for (RuntimeBeanEntry runtimeBean : runtimeBeans) {
-            final String javaNameOfRuntimeMXBean = runtimeBean
-                    .getJavaNameOfRuntimeMXBean();
-            if (uniqueGeneratedClassesNames
-                    .containsKey(javaNameOfRuntimeMXBean)) {
-                QName firstDefinedQName = uniqueGeneratedClassesNames
-                        .get(javaNameOfRuntimeMXBean);
-                throw new NameConflictException(javaNameOfRuntimeMXBean,
-                        firstDefinedQName, when.getQName());
-            }
-            uniqueGeneratedClassesNames.put(javaNameOfRuntimeMXBean,
-                    when.getQName());
-        }
+    public Map<String, AttributeIfc> getAttributes() {
+        return yangToAttributes;
     }
 
-    private static void checkUniqueRuntimeBeanAttributesName(
-            ModuleMXBeanEntry mxBeanEntry,
-            Map<String, QName> uniqueGeneratedClassesNames) {
-        for (RuntimeBeanEntry runtimeBeanEntry : mxBeanEntry.getRuntimeBeans()) {
-            for (String runtimeAttName : runtimeBeanEntry
-                    .getYangPropertiesToTypesMap().keySet()) {
-                if (mxBeanEntry.getAttributes().keySet()
-                        .contains(runtimeAttName)) {
-                    QName qName1 = uniqueGeneratedClassesNames
-                            .get(runtimeBeanEntry.getJavaNameOfRuntimeMXBean());
-                    QName qName2 = uniqueGeneratedClassesNames.get(mxBeanEntry
-                            .getGloballyUniqueName());
-                    throw new NameConflictException(runtimeAttName, qName1,
-                            qName2);
-                }
-            }
-        }
+    void setYangToAttributes(final Map<String, AttributeIfc> newAttributes) {
+        this.yangToAttributes = newAttributes;
     }
 
-    private static void checkUniqueAttributesWithGeneratedClass(
-            Map<String, QName> uniqueGeneratedClassNames, QName parentQName,
-            Map<String, AttributeIfc> yangToAttributes) {
-        for (Entry<String, AttributeIfc> attr : yangToAttributes.entrySet()) {
-            if (attr.getValue() instanceof TOAttribute) {
-                checkUniqueTOAttr(uniqueGeneratedClassNames, parentQName,
-                        (TOAttribute) attr.getValue());
-            } else if (attr.getValue() instanceof ListAttribute
-                    && ((ListAttribute) attr.getValue()).getInnerAttribute() instanceof TOAttribute) {
-                checkUniqueTOAttr(uniqueGeneratedClassNames, parentQName,
-                        (TOAttribute) ((ListAttribute) attr.getValue())
-                                .getInnerAttribute());
-            }
-        }
+    public String getNullableDescription() {
+        return initial.description;
     }
 
-    private static void checkUniqueTOAttr(
-            Map<String, QName> uniqueGeneratedClassNames, QName parentQName,
-            TOAttribute attr) {
-        final String upperCaseCammelCase = attr.getUpperCaseCammelCase();
-        if (uniqueGeneratedClassNames.containsKey(upperCaseCammelCase)) {
-            QName firstDefinedQName = uniqueGeneratedClassNames
-                    .get(upperCaseCammelCase);
-            throw new NameConflictException(upperCaseCammelCase,
-                    firstDefinedQName, parentQName);
-        } else {
-            uniqueGeneratedClassNames.put(upperCaseCammelCase, parentQName);
-        }
+    public QName getYangModuleQName() {
+        return initial.qName;
     }
 
-    private static Collection<RuntimeBeanEntry> fillRuntimeBeans(
-            ChoiceCaseNode choiceCaseNode, Module currentModule,
-            TypeProviderWrapper typeProviderWrapper, String packageName,
-            String moduleLocalNameFromXPath, String javaNamePrefix) {
-
-        return RuntimeBeanEntry.extractClassNameToRuntimeBeanMap(packageName,
-                choiceCaseNode, moduleLocalNameFromXPath, typeProviderWrapper,
-                javaNamePrefix, currentModule).values();
-
+    @Override
+    public String toString() {
+        return "ModuleMXBeanEntry{" + "globallyUniqueName='"
+                + initial.localName + '\'' + ", packageName='" + initial.packageName
+                + '\'' + '}';
     }
 
-    private static Map<String, AttributeIfc> fillConfiguration(
-            ChoiceCaseNode choiceCaseNode, Module currentModule,
-            TypeProviderWrapper typeProviderWrapper,
-            Map<QName, ServiceInterfaceEntry> qNamesToSIEs,
-            SchemaContext schemaContext, String packageName) {
-        Map<String, AttributeIfc> yangToAttributes = new HashMap<>();
-        for (DataSchemaNode attrNode : choiceCaseNode.getChildNodes()) {
-            AttributeIfc attributeValue = getAttributeValue(attrNode,
-                    currentModule, qNamesToSIEs, typeProviderWrapper,
-                    schemaContext, packageName);
-            yangToAttributes.put(attributeValue.getAttributeYangName(),
-                    attributeValue);
-        }
-        return yangToAttributes;
+    public String getNullableDummyContainerName() {
+        return nullableDummyContainerName;
     }
 
-    private static Map<String, QName> findProvidedServices(
-            IdentitySchemaNode moduleIdentity, Module currentModule,
-            Map<QName, ServiceInterfaceEntry> qNamesToSIEs,
-            SchemaContext schemaContext) {
-        Map<String, QName> result = new HashMap<>();
-        for (UnknownSchemaNode unknownNode : moduleIdentity
-                .getUnknownSchemaNodes()) {
-            if (ConfigConstants.PROVIDED_SERVICE_EXTENSION_QNAME
-                    .equals(unknownNode.getNodeType())) {
-                String prefixAndIdentityLocalName = unknownNode
-                        .getNodeParameter();
-                ServiceInterfaceEntry sie = findSIE(prefixAndIdentityLocalName,
-                        currentModule, qNamesToSIEs, schemaContext);
-                result.put(sie.getFullyQualifiedName(), sie.getQName());
-            }
-        }
-        return result;
+    public void setNullableDummyContainerName(final String nullableDummyContainerName) {
+        this.nullableDummyContainerName = nullableDummyContainerName;
     }
 
-    /**
-     * For input node, find if it contains config:java-name-prefix extension. If
-     * not found, convert local name of node converted to cammel case.
-     */
-    public static String findJavaNamePrefix(SchemaNode schemaNode) {
-        return convertToJavaName(schemaNode, true);
-    }
 
-    public static String findJavaParameter(SchemaNode schemaNode) {
-        return convertToJavaName(schemaNode, false);
-    }
+    static final class ModuleMXBeanEntryInitial {
 
-    public static String convertToJavaName(SchemaNode schemaNode,
-            boolean capitalizeFirstLetter) {
-        for (UnknownSchemaNode unknownNode : schemaNode.getUnknownSchemaNodes()) {
-            if (ConfigConstants.JAVA_NAME_PREFIX_EXTENSION_QNAME
-                    .equals(unknownNode.getNodeType())) {
-                String value = unknownNode.getNodeParameter();
-                return convertToJavaName(value, capitalizeFirstLetter);
-            }
-        }
-        return convertToJavaName(schemaNode.getQName().getLocalName(),
-                capitalizeFirstLetter);
-    }
+        private final String localName;
+        private final String description;
+        private final String packageName;
+        private final String javaNamePrefix;
+        private final String namespace;
+        private final QName qName;
 
-    public static String convertToJavaName(String localName,
-            boolean capitalizeFirstLetter) {
-        if (capitalizeFirstLetter) {
-            return BindingGeneratorUtil.parseToClassName(localName);
-        } else {
-            return BindingGeneratorUtil.parseToValidParamName(localName);
+        ModuleMXBeanEntryInitial(final String localName, final String description, final String packageName, final String javaNamePrefix, final String namespace, final QName qName) {
+            this.localName = localName;
+            this.description = description;
+            this.packageName = packageName;
+            this.javaNamePrefix = javaNamePrefix;
+            this.namespace = namespace;
+            this.qName = qName;
         }
     }
 
-    private static int getChildNodeSizeWithoutUses(DataNodeContainer csn) {
-        int result = 0;
-        for (DataSchemaNode dsn : csn.getChildNodes()) {
-            if (dsn.isAddedByUses() == false) {
-                result++;
-            }
-        }
-        return result;
-    }
+    static final class ModuleMXBeanEntryInitialBuilder {
+        private String localName;
+        private String description;
+        private String packageName;
+        private String javaNamePrefix;
+        private String namespace;
+        private QName qName;
 
-    private static AttributeIfc getAttributeValue(DataSchemaNode attrNode,
-            Module currentModule,
-            Map<QName, ServiceInterfaceEntry> qNamesToSIEs,
-            TypeProviderWrapper typeProviderWrapper,
-            SchemaContext schemaContext, String packageName) {
-
-        if (attrNode instanceof LeafSchemaNode) {
-            // simple type
-            LeafSchemaNode leaf = (LeafSchemaNode) attrNode;
-            return new JavaAttribute(leaf, typeProviderWrapper);
-        } else if (attrNode instanceof ContainerSchemaNode) {
-            // reference or TO
-            ContainerSchemaNode containerSchemaNode = (ContainerSchemaNode) attrNode;
-            Optional<? extends AbstractDependencyAttribute> dependencyAttributeOptional = extractDependency(
-                    containerSchemaNode, attrNode, currentModule, qNamesToSIEs,
-                    schemaContext);
-            if (dependencyAttributeOptional.isPresent()) {
-                return dependencyAttributeOptional.get();
-            } else {
-                return TOAttribute.create(containerSchemaNode,
-                        typeProviderWrapper, packageName);
-            }
-
-        } else if (attrNode instanceof LeafListSchemaNode) {
-            return ListAttribute.create((LeafListSchemaNode) attrNode,
-                    typeProviderWrapper);
-        } else if (attrNode instanceof ListSchemaNode) {
-            ListSchemaNode listSchemaNode = (ListSchemaNode) attrNode;
-            Optional<? extends AbstractDependencyAttribute> dependencyAttributeOptional = extractDependency(
-                    listSchemaNode, attrNode, currentModule, qNamesToSIEs,
-                    schemaContext);
-            if (dependencyAttributeOptional.isPresent()) {
-                return dependencyAttributeOptional.get();
-            } else {
-                return ListAttribute.create(listSchemaNode,
-                        typeProviderWrapper, packageName);
-            }
-        } else {
-            throw new UnsupportedOperationException(
-                    "Unknown configuration node " + attrNode.toString());
+        public ModuleMXBeanEntryInitialBuilder setPackageName(final String packageName) {
+            this.packageName = packageName;
+            return this;
         }
-    }
 
-    private static Optional<? extends AbstractDependencyAttribute> extractDependency(
-            DataNodeContainer dataNodeContainer, DataSchemaNode attrNode,
-            Module currentModule,
-            Map<QName, ServiceInterfaceEntry> qNamesToSIEs,
-            SchemaContext schemaContext) {
-        if (dataNodeContainer.getUses().size() == 1
-                && getChildNodeSizeWithoutUses(dataNodeContainer) == 0) {
-            // reference
-            UsesNode usesNode = dataNodeContainer.getUses().iterator().next();
-            checkState(usesNode.getRefines().size() == 1,
-                    "Unexpected 'refine' child node size of "
-                            + dataNodeContainer);
-            LeafSchemaNode refine = (LeafSchemaNode) usesNode.getRefines()
-                    .values().iterator().next();
-            checkState(refine.getUnknownSchemaNodes().size() == 1,
-                    "Unexpected unknown schema node size of " + refine);
-            UnknownSchemaNode requiredIdentity = refine.getUnknownSchemaNodes()
-                    .iterator().next();
-            checkState(
-                    ConfigConstants.REQUIRED_IDENTITY_EXTENSION_QNAME.equals(requiredIdentity
-                            .getNodeType()), "Unexpected language extension "
-                            + requiredIdentity);
-            String prefixAndIdentityLocalName = requiredIdentity
-                    .getNodeParameter();
-            // import should point to a module
-            ServiceInterfaceEntry serviceInterfaceEntry = findSIE(
-                    prefixAndIdentityLocalName, currentModule, qNamesToSIEs,
-                    schemaContext);
-            boolean mandatory = refine.getConstraints().isMandatory();
-            AbstractDependencyAttribute reference;
-            if (dataNodeContainer instanceof ContainerSchemaNode) {
-                reference = new DependencyAttribute(attrNode,
-                        serviceInterfaceEntry, mandatory,
-                        attrNode.getDescription());
-            } else {
-                reference = new ListDependenciesAttribute(attrNode,
-                        serviceInterfaceEntry, mandatory,
-                        attrNode.getDescription());
-            }
-            return Optional.of(reference);
+        public ModuleMXBeanEntryInitialBuilder setJavaNamePrefix(final String javaNamePrefix) {
+            this.javaNamePrefix = javaNamePrefix;
+            return this;
         }
-        return Optional.absent();
-    }
 
-    private static ServiceInterfaceEntry findSIE(
-            String prefixAndIdentityLocalName, Module currentModule,
-            Map<QName, ServiceInterfaceEntry> qNamesToSIEs,
-            SchemaContext schemaContext) {
-
-        Matcher m = PREFIX_COLON_LOCAL_NAME.matcher(prefixAndIdentityLocalName);
-        Module foundModule;
-        String localSIName;
-        if (m.matches()) {
-            // if there is a prefix, look for ModuleImport with this prefix. Get
-            // Module from SchemaContext
-            String prefix = m.group(1);
-            ModuleImport moduleImport = findModuleImport(currentModule, prefix);
-            foundModule = schemaContext.findModuleByName(
-                    moduleImport.getModuleName(), moduleImport.getRevision());
-            checkState(
-                    foundModule != null,
-                    format("Module not found in SchemaContext by %s",
-                            moduleImport));
-            localSIName = m.group(2);
-        } else {
-            foundModule = currentModule; // no prefix => SIE is in currentModule
-            localSIName = prefixAndIdentityLocalName;
+        public ModuleMXBeanEntryInitialBuilder setNamespace(final String namespace) {
+            this.namespace = namespace;
+            return this;
         }
-        QName siQName = new QName(foundModule.getNamespace(),
-                foundModule.getRevision(), localSIName);
-        ServiceInterfaceEntry sie = qNamesToSIEs.get(siQName);
-        checkState(sie != null, "Cannot find referenced Service Interface by "
-                + prefixAndIdentityLocalName);
-        return sie;
-    }
 
-    private static ModuleImport findModuleImport(Module module, String prefix) {
-        for (ModuleImport moduleImport : module.getImports()) {
-            if (moduleImport.getPrefix().equals(prefix)) {
-                return moduleImport;
-            }
+        public ModuleMXBeanEntryInitialBuilder setqName(final QName qName) {
+            this.qName = qName;
+            return this;
         }
-        throw new IllegalStateException(format(
-                "Import not found with prefix %s in %s", prefix, module));
-    }
-
-    public Map<String, AttributeIfc> getAttributes() {
-        return yangToAttributes;
-    }
-
-    private void setYangToAttributes(Map<String, AttributeIfc> newAttributes) {
-        this.yangToAttributes = newAttributes;
 
-    }
-
-    public String getNullableDescription() {
-        return nullableDescription;
-    }
+        public ModuleMXBeanEntry.ModuleMXBeanEntryInitial build() {
+            return new ModuleMXBeanEntry.ModuleMXBeanEntryInitial(localName, description, packageName, javaNamePrefix, namespace, qName);
+        }
 
-    public QName getYangModuleQName() {
-        return yangModuleQName;
-    }
+        public ModuleMXBeanEntryInitialBuilder setIdSchemaNode(final IdentitySchemaNode idSchemaNode) {
+            this.localName = idSchemaNode.getQName().getLocalName();
+            this.description = idSchemaNode.getDescription().orElse(null);
+            return this;
+        }
 
-    @Override
-    public String toString() {
-        return "ModuleMXBeanEntry{" + "globallyUniqueName='"
-                + globallyUniqueName + '\'' + ", packageName='" + packageName
-                + '\'' + '}';
     }
 }