opendaylight/config/yang-jmx-generator-plugin/src/main/java/org/opendaylight/controller/config/yangjmxgenerator/plugin/ftl/TemplateFactory.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl;
   9
  10 import com.google.common.base.Preconditions;
  11 import com.google.common.collect.Lists;
  12 import com.google.common.collect.Maps;
  13 import java.util.ArrayList;
  14 import java.util.Arrays;
  15 import java.util.Collections;
  16 import java.util.HashMap;
  17 import java.util.List;
  18 import java.util.Map;
  19 import java.util.Map.Entry;
  20 import javax.management.openmbean.SimpleType;
  21 import org.opendaylight.controller.config.api.DependencyResolver;
  22 import org.opendaylight.controller.config.api.IdentityAttributeRef;
  23 import org.opendaylight.controller.config.api.RuntimeBeanRegistratorAwareModule;
  24 import org.opendaylight.controller.config.api.annotations.AbstractServiceInterface;
  25 import org.opendaylight.controller.config.api.runtime.RuntimeBean;
  26 import org.opendaylight.controller.config.spi.Module;
  27 import org.opendaylight.controller.config.yangjmxgenerator.AbstractEntry;
  28 import org.opendaylight.controller.config.yangjmxgenerator.ModuleMXBeanEntry;
  29 import org.opendaylight.controller.config.yangjmxgenerator.RuntimeBeanEntry;
  30 import org.opendaylight.controller.config.yangjmxgenerator.RuntimeBeanEntry.Rpc;
  31 import org.opendaylight.controller.config.yangjmxgenerator.ServiceInterfaceEntry;
  32 import org.opendaylight.controller.config.yangjmxgenerator.attribute.AbstractDependencyAttribute;
  33 import org.opendaylight.controller.config.yangjmxgenerator.attribute.AttributeIfc;
  34 import org.opendaylight.controller.config.yangjmxgenerator.attribute.Dependency;
  35 import org.opendaylight.controller.config.yangjmxgenerator.attribute.JavaAttribute;
  36 import org.opendaylight.controller.config.yangjmxgenerator.attribute.ListAttribute;
  37 import org.opendaylight.controller.config.yangjmxgenerator.attribute.ListDependenciesAttribute;
  38 import org.opendaylight.controller.config.yangjmxgenerator.attribute.TOAttribute;
  39 import org.opendaylight.controller.config.yangjmxgenerator.attribute.TypedAttribute;
  40 import org.opendaylight.controller.config.yangjmxgenerator.attribute.VoidAttribute;
  41 import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model.Annotation;
  42 import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model.Annotation.Parameter;
  43 import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model.Constructor;
  44 import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model.Field;
  45 import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model.Header;
  46 import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model.IdentityRefModuleField;
  47 import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model.MethodDeclaration;
  48 import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model.MethodDefinition;
  49 import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model.ModuleField;
  50 import org.opendaylight.controller.config.yangjmxgenerator.plugin.util.FullyQualifiedNameHelper;
  51 import org.opendaylight.yangtools.binding.generator.util.BindingGeneratorUtil;
  52 import org.opendaylight.yangtools.sal.binding.model.api.ParameterizedType;
  53 import org.opendaylight.yangtools.sal.binding.model.api.Type;
  54
  55 public class TemplateFactory {
  56
  57     /**
  58      * Get map of file name as key, FtlFile instance representing runtime mx
  59      * bean as value that should be persisted from this instance.
  60      */
  61     public static Map<String, FtlTemplate> getTOAndMXInterfaceFtlFiles(
  62             RuntimeBeanEntry entry) {
  63         Map<String, FtlTemplate> result = new HashMap<>();
  64         { // create GeneralInterfaceFtlFile for runtime MXBean. Attributes will
  65           // be transformed to getter methods
  66             String mxBeanTypeName = entry.getJavaNameOfRuntimeMXBean();
  67             List<String> extendedInterfaces = Arrays.asList(RuntimeBean.class
  68                     .getCanonicalName());
  69             List<MethodDeclaration> methods = new ArrayList<>();
  70
  71             // convert attributes to getters
  72             for (AttributeIfc attributeIfc : entry.getAttributes()) {
  73                 String returnType;
  74                 returnType = getReturnType(attributeIfc);
  75                 String getterName = "get"
  76                         + attributeIfc.getUpperCaseCammelCase();
  77                 MethodDeclaration getter = new MethodDeclaration(returnType,
  78                         getterName, Collections.<Field> emptyList());
  79                 methods.add(getter);
  80             }
  81
  82             // add rpc methods
  83             for (Rpc rpc : entry.getRpcs()) {
  84                 // convert JavaAttribute parameters into fields
  85                 List<Field> fields = new ArrayList<>();
  86                 for (JavaAttribute ja : rpc.getParameters()) {
  87                     Field field = new Field(Collections.<String> emptyList(),
  88                             ja.getType().getFullyQualifiedName(),
  89                             ja.getLowerCaseCammelCase(), ja.getNullableDefaultWrappedForCode());
  90                     fields.add(field);
  91                 }
  92                 MethodDeclaration operation = new MethodDeclaration(
  93                         getReturnType(rpc.getReturnType()), rpc.getName(), fields);
  94                 methods.add(operation);
  95             }
  96
  97             // FIXME header
  98             GeneralInterfaceTemplate runtimeMxBeanIfc = new GeneralInterfaceTemplate(
  99                     null, entry.getPackageName(), mxBeanTypeName,
 100                     extendedInterfaces, methods);
 101
 102             result.put(runtimeMxBeanIfc.getTypeDeclaration().getName()
 103                     + ".java", runtimeMxBeanIfc);
 104         }
 105
 106         result.putAll(TemplateFactory.tOsFromRbe(entry));
 107
 108         return result;
 109     }
 110
 111     // FIXME: put into Type.toString
 112     static String serializeType(Type type, boolean addWildcards) {
 113         if (type instanceof ParameterizedType){
 114             ParameterizedType parameterizedType = (ParameterizedType) type;
 115             StringBuilder sb = new StringBuilder();
 116             sb.append(parameterizedType.getRawType().getFullyQualifiedName());
 117             sb.append(addWildcards ? "<? extends " : "<");
 118             boolean first = true;
 119             for(Type parameter: parameterizedType.getActualTypeArguments()) {
 120                 if (first) {
 121                     first = false;
 122                 } else {
 123                     sb.append(",");
 124                 }
 125                 sb.append(serializeType(parameter));
 126             }
 127             sb.append(">");
 128             return sb.toString();
 129         } else {
 130             return type.getFullyQualifiedName();
 131         }
 132     }
 133
 134     static String serializeType(Type type) {
 135         return serializeType(type, false);
 136     }
 137
 138     private static String getReturnType(AttributeIfc attributeIfc) {
 139         String returnType;
 140         if (attributeIfc instanceof TypedAttribute) {
 141             Type type = ((TypedAttribute) attributeIfc).getType();
 142             returnType = serializeType(type);
 143         } else if (attributeIfc == VoidAttribute.getInstance()) {
 144             return "void";
 145         } else {
 146             throw new UnsupportedOperationException(
 147                     "Attribute not supported: "
 148                             + attributeIfc.getClass());
 149         }
 150         return returnType;
 151     }
 152
 153     public static GeneralInterfaceTemplate serviceInterfaceFromSie(
 154             ServiceInterfaceEntry sie) {
 155
 156         List<String> extendedInterfaces = Lists
 157                 .newArrayList(AbstractServiceInterface.class.getCanonicalName());
 158         if (sie.getBase().isPresent()) {
 159             extendedInterfaces.add(sie.getBase().get().getFullyQualifiedName());
 160         }
 161
 162         // FIXME header
 163         GeneralInterfaceTemplate sieTemplate = new GeneralInterfaceTemplate(
 164                 getHeaderFromEntry(sie), sie.getPackageName(),
 165                 sie.getTypeName(), extendedInterfaces,
 166                 Lists.<MethodDeclaration> newArrayList());
 167         sieTemplate.setJavadoc(sie.getNullableDescription());
 168
 169         if (sie.getNullableDescription() != null)
 170             sieTemplate.getAnnotations().add(
 171                     Annotation.createDescriptionAnnotation(sie
 172                             .getNullableDescription()));
 173         sieTemplate.getAnnotations().addAll(Annotation.createSieAnnotations(sie));
 174
 175         return sieTemplate;
 176     }
 177
 178     public static AbstractFactoryTemplate abstractFactoryTemplateFromMbe(
 179             ModuleMXBeanEntry mbe) {
 180         AbstractFactoryAttributesProcessor attrProcessor = new AbstractFactoryAttributesProcessor();
 181         attrProcessor.processAttributes(mbe.getAttributes(),
 182                 mbe.getPackageName());
 183
 184
 185
 186         return new AbstractFactoryTemplate(getHeaderFromEntry(mbe),
 187                 mbe.getPackageName(), mbe.getAbstractFactoryName(),
 188                 attrProcessor.getFields()
 189         );
 190     }
 191
 192     public static AbstractModuleTemplate abstractModuleTemplateFromMbe(
 193             ModuleMXBeanEntry mbe) {
 194         AbstractModuleAttributesProcessor attrProcessor = new AbstractModuleAttributesProcessor(mbe.getAttributes());
 195
 196         List<ModuleField> moduleFields = attrProcessor.getModuleFields();
 197         List<String> implementedIfcs = Lists.newArrayList(
 198                 Module.class.getCanonicalName(),
 199                 mbe.getFullyQualifiedName(mbe.getMXBeanInterfaceName()));
 200
 201         for (String implementedService : mbe.getProvidedServices().keySet()) {
 202             implementedIfcs.add(implementedService);
 203         }
 204
 205         boolean generateRuntime = false;
 206         String registratorFullyQualifiedName = null;
 207         if (mbe.getRuntimeBeans() != null
 208                 && mbe.getRuntimeBeans().isEmpty() == false) {
 209             generateRuntime = true;
 210             RuntimeBeanEntry rootEntry = RuntimeRegistratorFtlTemplate
 211                     .findRoot(mbe.getRuntimeBeans());
 212             registratorFullyQualifiedName = rootEntry
 213                     .getPackageName()
 214                     .concat(".")
 215                     .concat(RuntimeRegistratorFtlTemplate.getJavaNameOfRuntimeRegistrator(rootEntry));
 216             implementedIfcs.add(RuntimeBeanRegistratorAwareModule.class
 217                     .getCanonicalName());
 218         }
 219
 220         AbstractModuleTemplate abstractModuleTemplate = new AbstractModuleTemplate(
 221                 getHeaderFromEntry(mbe), mbe.getPackageName(),
 222                 mbe.getAbstractModuleName(), implementedIfcs, moduleFields,
 223                 attrProcessor.getMethods(), generateRuntime,
 224                 registratorFullyQualifiedName);
 225
 226         if (mbe.getNullableDescription() != null)
 227             abstractModuleTemplate.getAnnotations().add(
 228                     Annotation.createDescriptionAnnotation(mbe
 229                             .getNullableDescription()));
 230         return abstractModuleTemplate;
 231     }
 232
 233     public static StubFactoryTemplate stubFactoryTemplateFromMbe(
 234             ModuleMXBeanEntry mbe) {
 235         return new StubFactoryTemplate(getHeaderFromEntry(mbe),
 236                 mbe.getPackageName(), mbe.getStubFactoryName(),
 237                 mbe.getFullyQualifiedName(mbe.getAbstractFactoryName())
 238         );
 239     }
 240
 241     public static GeneralInterfaceTemplate mXBeanInterfaceTemplateFromMbe(
 242             ModuleMXBeanEntry mbe) {
 243         MXBeanInterfaceAttributesProcessor attrProcessor = new MXBeanInterfaceAttributesProcessor();
 244         attrProcessor.processAttributes(mbe.getAttributes());
 245         GeneralInterfaceTemplate ifcTemplate = new GeneralInterfaceTemplate(
 246                 getHeaderFromEntry(mbe), mbe.getPackageName(),
 247                 mbe.getMXBeanInterfaceName(), Lists.<String> newArrayList(),
 248                 attrProcessor.getMethods());
 249         ifcTemplate.setJavadoc(mbe.getNullableDescription());
 250         return ifcTemplate;
 251     }
 252
 253     public static Map<String, GeneralClassTemplate> tOsFromMbe(
 254             ModuleMXBeanEntry mbe) {
 255         Map<String, GeneralClassTemplate> retVal = Maps.newHashMap();
 256         TOAttributesProcessor processor = new TOAttributesProcessor();
 257         processor.processAttributes(mbe.getAttributes());
 258         for (org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.TemplateFactory.TOAttributesProcessor.TOInternal to : processor
 259                 .getTOs()) {
 260             List<Constructor> constructors = Lists.newArrayList();
 261             constructors.add(new Constructor(to.getName(), "super();"));
 262
 263             Header header = getHeaderFromEntry(mbe);
 264             retVal.put(
 265                     to.getType(),
 266                     new GeneralClassTemplate(header, mbe.getPackageName(), to
 267                             .getName(), Collections.<String> emptyList(),
 268                             Collections.<String> emptyList(), to.getFields(),
 269                             to.getMethods(), false, false, constructors));
 270         }
 271         return retVal;
 272     }
 273
 274     public static Map<String, GeneralClassTemplate> tOsFromRbe(
 275             RuntimeBeanEntry rbe) {
 276         Map<String, GeneralClassTemplate> retVal = Maps.newHashMap();
 277         TOAttributesProcessor processor = new TOAttributesProcessor();
 278         Map<String, AttributeIfc> yangPropertiesToTypesMap = Maps.newHashMap(rbe.getYangPropertiesToTypesMap());
 279
 280         // Add TOs from output parameters
 281         for (Rpc rpc : rbe.getRpcs()) {
 282             AttributeIfc returnType = rpc.getReturnType();
 283
 284             if (returnType == VoidAttribute.getInstance()) {
 285                 continue;
 286             }
 287             if (returnType instanceof JavaAttribute) {
 288                 continue;
 289             }
 290             if (returnType instanceof ListAttribute && returnType.getOpenType() instanceof SimpleType) {
 291                 continue;
 292             }
 293
 294             Preconditions.checkState(yangPropertiesToTypesMap.containsKey(returnType.getAttributeYangName()) == false,
 295                     "Duplicate TO %s for %s", returnType.getAttributeYangName(), rbe);
 296             yangPropertiesToTypesMap.put(returnType.getAttributeYangName(), returnType);
 297         }
 298
 299         processor.processAttributes(yangPropertiesToTypesMap);
 300         for (org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.TemplateFactory.TOAttributesProcessor.TOInternal to : processor
 301                 .getTOs()) {
 302             List<Constructor> constructors = Lists.newArrayList();
 303             constructors.add(new Constructor(to.getName(), "super();"));
 304
 305             // TODO header
 306             retVal.put(
 307                     to.getType(),
 308                     new GeneralClassTemplate(null, rbe.getPackageName(), to
 309                             .getName(), Collections.<String> emptyList(),
 310                             Collections.<String> emptyList(), to.getFields(),
 311                             to.getMethods(), false, false, constructors));
 312         }
 313         return retVal;
 314     }
 315
 316     private static Header getHeaderFromEntry(AbstractEntry mbe) {
 317         return new Header(mbe.getYangModuleName(), mbe.getYangModuleLocalname());
 318     }
 319
 320     // TODO refactor attribute processors
 321
 322     private static class TOAttributesProcessor {
 323
 324         private final List<TOInternal> tos = Lists.newArrayList();
 325
 326         void processAttributes(Map<String, AttributeIfc> attributes) {
 327             for (Entry<String, AttributeIfc> attrEntry : attributes.entrySet()) {
 328                 AttributeIfc attributeIfc = attrEntry.getValue();
 329                 if (attributeIfc instanceof TOAttribute) {
 330                     createTOInternal((TOAttribute) attributeIfc);
 331                 }
 332                 if (attributeIfc instanceof ListAttribute) {
 333                     AttributeIfc innerAttr = ((ListAttribute) attributeIfc)
 334                             .getInnerAttribute();
 335                     if (innerAttr instanceof TOAttribute) {
 336                         createTOInternal((TOAttribute) innerAttr);
 337                     }
 338                 }
 339             }
 340         }
 341
 342         private void createTOInternal(TOAttribute toAttribute) {
 343
 344             Map<String, AttributeIfc> attrs = toAttribute.getCapitalizedPropertiesToTypesMap();
 345             // recursive processing of TO's attributes
 346             processAttributes(attrs);
 347
 348             tos.add(new TOInternal(toAttribute.getType(), attrs));
 349         }
 350
 351         List<TOInternal> getTOs() {
 352             return tos;
 353         }
 354
 355         private static class TOInternal {
 356             private final String fullyQualifiedName, name;
 357             private List<Field> fields;
 358             private List<MethodDefinition> methods;
 359
 360             public TOInternal(Type type, Map<String, AttributeIfc> attrs) {
 361                 this(type.getFullyQualifiedName(), type.getName(), attrs, type.getPackageName());
 362             }
 363
 364             public TOInternal(String fullyQualifiedName, String name,
 365                     Map<String, AttributeIfc> attrs, String packageName) {
 366                 this.fullyQualifiedName = fullyQualifiedName;
 367                 this.name = name;
 368                 processAttrs(attrs, packageName);
 369             }
 370
 371             private final static String dependencyResolverVarName = "dependencyResolver";
 372             private final static String dependencyResolverInjectMethodName = "injectDependencyResolver";
 373
 374             private void processAttrs(Map<String, AttributeIfc> attrs, String packageName) {
 375                 fields = Lists.newArrayList();
 376                 methods = Lists.newArrayList();
 377
 378                 // FIXME conflict if "dependencyResolver" field from yang
 379                 Field depRes = new Field(DependencyResolver.class.getName(), dependencyResolverVarName);
 380                 fields.add(depRes);
 381                 methods.add(new MethodDefinition("void", dependencyResolverInjectMethodName, Lists.newArrayList(depRes),
 382                         "this." + dependencyResolverVarName + " = " + dependencyResolverVarName + ";"));
 383
 384                 for (Entry<String, AttributeIfc> attrEntry : attrs.entrySet()) {
 385                     String innerName = attrEntry.getKey();
 386                     String varName = BindingGeneratorUtil
 387                             .parseToValidParamName(attrEntry.getKey());
 388
 389                     String fullyQualifiedName, nullableDefault = null;
 390                     if (attrEntry.getValue() instanceof TypedAttribute) {
 391                         Type type = ((TypedAttribute) attrEntry.getValue()).getType();
 392                         if(attrEntry.getValue() instanceof JavaAttribute) {
 393                             nullableDefault = ((JavaAttribute)attrEntry.getValue()).getNullableDefaultWrappedForCode();
 394                             if(((JavaAttribute)attrEntry.getValue()).isIdentityRef()) {
 395
 396                                 String fieldType = serializeType(type, true);
 397                                 String innerType = getInnerTypeFromIdentity(type);
 398                                 methods.add(new MethodDefinition(fieldType, "resolve" + attrEntry.getKey(), Collections.<Field>emptyList(),
 399                                         "return " + varName + ".resolveIdentity(" + dependencyResolverVarName + "," +  innerType + ".class);"));
 400                                 type = identityRefType;
 401                             }
 402                         }
 403                         fullyQualifiedName = serializeType(type);
 404                     } else {
 405                         fullyQualifiedName = FullyQualifiedNameHelper
 406                                 .getFullyQualifiedName(packageName, attrEntry.getValue().getUpperCaseCammelCase());
 407                     }
 408                     fields.add(new Field(fullyQualifiedName, varName, nullableDefault, needsDepResolver(attrEntry.getValue())));
 409
 410                     String getterName = "get" + innerName;
 411                     MethodDefinition getter = new MethodDefinition(
 412                             fullyQualifiedName, getterName,
 413                             Collections.<Field> emptyList(), "return "
 414                                     + varName + ";");
 415
 416                     String setterName = "set" + innerName;
 417                     MethodDefinition setter = new MethodDefinition("void",
 418                             setterName, Lists.newArrayList(new Field(
 419                                     fullyQualifiedName, varName)), "this."
 420                                     + varName + " = " + varName + ";");
 421                     methods.add(getter);
 422                     methods.add(setter);
 423                 }
 424
 425             }
 426
 427             String getType() {
 428                 return fullyQualifiedName;
 429             }
 430
 431             String getName() {
 432                 return name;
 433             }
 434
 435             List<Field> getFields() {
 436                 return fields;
 437             }
 438
 439             List<MethodDefinition> getMethods() {
 440                 return methods;
 441             }
 442         }
 443     }
 444
 445
 446     private static class MXBeanInterfaceAttributesProcessor {
 447         private final List<MethodDeclaration> methods = Lists.newArrayList();
 448
 449         void processAttributes(Map<String, AttributeIfc> attributes) {
 450             for (Entry<String, AttributeIfc> attrEntry : attributes.entrySet()) {
 451                 String returnType;
 452                 AttributeIfc attributeIfc = attrEntry.getValue();
 453
 454                 if (attributeIfc instanceof TypedAttribute) {
 455                     TypedAttribute typedAttribute = (TypedAttribute) attributeIfc;
 456                     returnType = serializeType(typedAttribute.getType());
 457
 458                     if (attributeIfc instanceof JavaAttribute && ((JavaAttribute)attrEntry.getValue()).isIdentityRef()) {
 459                         returnType = serializeType(identityRefType);
 460                     }
 461
 462                 } else {
 463                     throw new UnsupportedOperationException(
 464                             "Attribute not supported: "
 465                                     + attributeIfc.getClass());
 466                 }
 467
 468                 String getterName = "get"
 469                         + attributeIfc.getUpperCaseCammelCase();
 470                 MethodDeclaration getter = new MethodDeclaration(returnType,
 471                         getterName, Collections.<Field> emptyList());
 472
 473                 String varName = BindingGeneratorUtil
 474                         .parseToValidParamName(attrEntry.getKey());
 475                 String setterName = "set"
 476                         + attributeIfc.getUpperCaseCammelCase();
 477                 MethodDeclaration setter = new MethodDeclaration("void",
 478                         setterName, Lists.newArrayList(new Field(returnType,
 479                                 varName)));
 480
 481                 methods.add(getter);
 482                 methods.add(setter);
 483
 484                 if (attributeIfc.getNullableDescription() != null) {
 485                     setter.setJavadoc(attrEntry.getValue()
 486                             .getNullableDescription());
 487                 }
 488             }
 489         }
 490
 491         List<MethodDeclaration> getMethods() {
 492             return methods;
 493         }
 494     }
 495
 496     private static final Type identityRefType = new Type() {
 497         public final Class<IdentityAttributeRef> IDENTITY_ATTRIBUTE_REF_CLASS = IdentityAttributeRef.class;
 498
 499         @Override
 500         public String getPackageName() {
 501             return IDENTITY_ATTRIBUTE_REF_CLASS.getPackage().getName();
 502         }
 503
 504         @Override
 505         public String getName() {
 506             return IDENTITY_ATTRIBUTE_REF_CLASS.getSimpleName();
 507         }
 508
 509         @Override
 510         public String getFullyQualifiedName() {
 511             return IDENTITY_ATTRIBUTE_REF_CLASS.getName();
 512         }
 513     };
 514
 515     private static class AbstractFactoryAttributesProcessor {
 516
 517         private final List<Field> fields = Lists.newArrayList();
 518
 519         void processAttributes(Map<String, AttributeIfc> attributes,
 520                 String packageName) {
 521             for (Entry<String, AttributeIfc> attrEntry : attributes.entrySet()) {
 522                 String type;
 523                 String nullableDefaultWrapped = null;
 524                 AttributeIfc attributeIfc = attrEntry.getValue();
 525
 526                 if (attributeIfc instanceof TypedAttribute) {
 527                     TypedAttribute typedAttribute = (TypedAttribute) attributeIfc;
 528                     type = serializeType(typedAttribute.getType());
 529                 } else {
 530                     throw new UnsupportedOperationException(
 531                             "Attribute not supported: "
 532                                     + attributeIfc.getClass());
 533                 }
 534
 535                 fields.add(new Field(type, attributeIfc
 536                         .getUpperCaseCammelCase(), nullableDefaultWrapped));
 537             }
 538         }
 539
 540         List<Field> getFields() {
 541             return fields;
 542         }
 543     }
 544
 545     private static class AbstractModuleAttributesProcessor {
 546         private static class Holder {
 547             private final List<ModuleField> moduleFields;
 548             private final List<MethodDefinition> methods;
 549
 550             private Holder(List<ModuleField> moduleFields, List<MethodDefinition> methods) {
 551                 this.moduleFields = Collections.unmodifiableList(moduleFields);
 552                 this.methods = Collections.unmodifiableList(methods);
 553             }
 554         }
 555
 556         private final Holder holder;
 557
 558
 559         private AbstractModuleAttributesProcessor(Map<String, AttributeIfc> attributes) {
 560             this.holder = processAttributes(attributes);
 561         }
 562
 563         private static Holder processAttributes(Map<String, AttributeIfc> attributes) {
 564             List<ModuleField> moduleFields = new ArrayList<>();
 565             List<MethodDefinition> methods = new ArrayList<>();
 566             for (Entry<String, AttributeIfc> attrEntry : attributes.entrySet()) {
 567                 String type, nullableDefaultWrapped = null;
 568                 AttributeIfc attributeIfc = attrEntry.getValue();
 569                 boolean isIdentity = false;
 570                 boolean needsDepResolver = needsDepResolver(attrEntry.getValue());
 571
 572                 if (attributeIfc instanceof TypedAttribute) {
 573                     TypedAttribute typedAttribute = (TypedAttribute) attributeIfc;
 574                     type = serializeType(typedAttribute.getType());
 575                     if (attributeIfc instanceof JavaAttribute) {
 576                         nullableDefaultWrapped = ((JavaAttribute) attributeIfc).getNullableDefaultWrappedForCode();
 577                         if(((JavaAttribute)attrEntry.getValue()).isIdentityRef()) {
 578                             isIdentity = true;
 579                             type = serializeType(typedAttribute.getType(), true);
 580                         }
 581                     }
 582                 } else {
 583                     throw new UnsupportedOperationException(
 584                             "Attribute not supported: "
 585                                     + attributeIfc.getClass());
 586                 }
 587
 588                 boolean isDependency = false;
 589                 boolean isListOfDependencies = false;
 590                 Dependency dependency = null;
 591                 Annotation overrideAnnotation = new Annotation("Override",
 592                         Collections.<Parameter> emptyList());
 593                 List<Annotation> annotations = Lists
 594                         .newArrayList(overrideAnnotation);
 595
 596                 if (attributeIfc instanceof AbstractDependencyAttribute) {
 597                     isDependency = true;
 598                     dependency = ((AbstractDependencyAttribute) attributeIfc)
 599                             .getDependency();
 600                     annotations.add(Annotation
 601                             .createRequireIfcAnnotation(dependency.getSie()));
 602                     if (attributeIfc instanceof ListDependenciesAttribute) {
 603                         isListOfDependencies = true;
 604                     }
 605                 }
 606
 607                 String varName = BindingGeneratorUtil
 608                         .parseToValidParamName(attrEntry.getKey());
 609
 610                 ModuleField field;
 611                 if (isIdentity) {
 612                     String identityBaseClass = getInnerTypeFromIdentity(((TypedAttribute) attributeIfc).getType());
 613                     IdentityRefModuleField identityField = new IdentityRefModuleField(type, varName,
 614                             attributeIfc.getUpperCaseCammelCase(), identityBaseClass);
 615
 616                     String getterName = "get"
 617                             + attributeIfc.getUpperCaseCammelCase() + "Identity";
 618                     MethodDefinition additionalGetter = new MethodDefinition(type, getterName, Collections.<Field> emptyList(),
 619                             Collections.<Annotation> emptyList(), "return " + identityField.getIdentityClassName()
 620                                     + ";");
 621                     methods.add(additionalGetter);
 622
 623                     String setterName = "set"
 624                             + attributeIfc.getUpperCaseCammelCase();
 625
 626                     String setterBody = "this." + identityField.getIdentityClassName() + " = " + identityField.getIdentityClassName() + ";";
 627                     MethodDefinition additionalSetter = new MethodDefinition("void",
 628                             setterName,
 629                             Lists.newArrayList(new Field(type, identityField.getIdentityClassName())),
 630                             Collections.<Annotation> emptyList(), setterBody);
 631                     additionalSetter.setJavadoc(attributeIfc.getNullableDescription());
 632
 633                     methods.add(additionalSetter);
 634
 635                     type = serializeType(identityRefType);
 636                     field = identityField;
 637                 } else {
 638                     field = new ModuleField(type, varName, attributeIfc.getUpperCaseCammelCase(),
 639                             nullableDefaultWrapped, isDependency, dependency, isListOfDependencies, needsDepResolver);
 640                 }
 641                 moduleFields.add(field);
 642
 643
 644                 String getterName = "get"
 645                         + attributeIfc.getUpperCaseCammelCase();
 646                 MethodDefinition getter = new MethodDefinition(type,
 647                         getterName, Collections.<Field> emptyList(),
 648                         Lists.newArrayList(overrideAnnotation), "return "
 649                         + varName + ";");
 650
 651                 methods.add(getter);
 652
 653                 String setterName = "set"
 654                         + attributeIfc.getUpperCaseCammelCase();
 655
 656                 if (attributeIfc.getNullableDescription() != null) {
 657                     annotations.add(Annotation
 658                             .createDescriptionAnnotation(attributeIfc.getNullableDescription()));
 659                 }
 660
 661                 String setterBody = "this." + varName + " = " + varName + ";";
 662                 if (isListOfDependencies) {
 663                     String nullCheck = String.format("if (%s == null) throw new IllegalArgumentException(\"Null not supported\");%n",
 664                             varName);
 665                     setterBody = nullCheck + setterBody;
 666                 }
 667                 MethodDefinition setter = new MethodDefinition("void",
 668                         setterName,
 669                         Lists.newArrayList(new Field(type, varName)),
 670                         annotations, setterBody);
 671                 setter.setJavadoc(attributeIfc.getNullableDescription());
 672
 673                 methods.add(setter);
 674             }
 675             return new Holder(moduleFields, methods);
 676         }
 677
 678         List<ModuleField> getModuleFields() {
 679             return holder.moduleFields;
 680         }
 681
 682         List<MethodDefinition> getMethods() {
 683             return holder.methods;
 684         }
 685
 686     }
 687
 688
 689     private static boolean needsDepResolver(AttributeIfc value) {
 690         if(value instanceof TOAttribute)
 691             return true;
 692         if(value instanceof ListAttribute) {
 693             AttributeIfc innerAttribute = ((ListAttribute) value).getInnerAttribute();
 694             return needsDepResolver(innerAttribute);
 695         }
 696
 697         return false;
 698     }
 699
 700     private static String getInnerTypeFromIdentity(Type type) {
 701         Preconditions.checkArgument(type instanceof ParameterizedType);
 702         Type[] args = ((ParameterizedType) type).getActualTypeArguments();
 703         Preconditions.checkArgument(args.length ==1);
 704         return serializeType(args[0]);
 705     }
 706 }