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 org.opendaylight.controller.config.api.DependencyResolver;
  14 import org.opendaylight.controller.config.api.IdentityAttributeRef;
  15 import org.opendaylight.controller.config.api.RuntimeBeanRegistratorAwareModule;
  16 import org.opendaylight.controller.config.api.annotations.AbstractServiceInterface;
  17 import org.opendaylight.controller.config.api.runtime.RuntimeBean;
  18 import org.opendaylight.controller.config.spi.Module;
  19 import org.opendaylight.controller.config.yangjmxgenerator.AbstractEntry;
  20 import org.opendaylight.controller.config.yangjmxgenerator.ModuleMXBeanEntry;
  21 import org.opendaylight.controller.config.yangjmxgenerator.RuntimeBeanEntry;
  22 import org.opendaylight.controller.config.yangjmxgenerator.RuntimeBeanEntry.Rpc;
  23 import org.opendaylight.controller.config.yangjmxgenerator.ServiceInterfaceEntry;
  24 import org.opendaylight.controller.config.yangjmxgenerator.attribute.AbstractDependencyAttribute;
  25 import org.opendaylight.controller.config.yangjmxgenerator.attribute.AttributeIfc;
  26 import org.opendaylight.controller.config.yangjmxgenerator.attribute.Dependency;
  27 import org.opendaylight.controller.config.yangjmxgenerator.attribute.JavaAttribute;
  28 import org.opendaylight.controller.config.yangjmxgenerator.attribute.ListAttribute;
  29 import org.opendaylight.controller.config.yangjmxgenerator.attribute.ListDependenciesAttribute;
  30 import org.opendaylight.controller.config.yangjmxgenerator.attribute.TOAttribute;
  31 import org.opendaylight.controller.config.yangjmxgenerator.attribute.TypedAttribute;
  32 import org.opendaylight.controller.config.yangjmxgenerator.attribute.VoidAttribute;
  33 import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model.Annotation;
  34 import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model.Annotation.Parameter;
  35 import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model.Constructor;
  36 import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model.Field;
  37 import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model.Header;
  38 import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model.IdentityRefModuleField;
  39 import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model.MethodDeclaration;
  40 import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model.MethodDefinition;
  41 import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model.ModuleField;
  42 import org.opendaylight.controller.config.yangjmxgenerator.plugin.util.FullyQualifiedNameHelper;
  43 import org.opendaylight.yangtools.binding.generator.util.BindingGeneratorUtil;
  44 import org.opendaylight.yangtools.sal.binding.model.api.ParameterizedType;
  45 import org.opendaylight.yangtools.sal.binding.model.api.Type;
  46
  47 import javax.management.openmbean.SimpleType;
  48 import java.util.ArrayList;
  49 import java.util.Arrays;
  50 import java.util.Collections;
  51 import java.util.HashMap;
  52 import java.util.List;
  53 import java.util.Map;
  54 import java.util.Map.Entry;
  55
  56 public class TemplateFactory {
  57
  58     /**
  59      * Get map of file name as key, FtlFile instance representing runtime mx
  60      * bean as value that should be persisted from this instance.
  61      */
  62     public static Map<String, FtlTemplate> getTOAndMXInterfaceFtlFiles(
  63             RuntimeBeanEntry entry) {
  64         Map<String, FtlTemplate> result = new HashMap<>();
  65         { // create GeneralInterfaceFtlFile for runtime MXBean. Attributes will
  66           // be transformed to getter methods
  67             String mxBeanTypeName = entry.getJavaNameOfRuntimeMXBean();
  68             List<String> extendedInterfaces = Arrays.asList(RuntimeBean.class
  69                     .getCanonicalName());
  70             List<MethodDeclaration> methods = new ArrayList<>();
  71
  72             // convert attributes to getters
  73             for (AttributeIfc attributeIfc : entry.getAttributes()) {
  74                 String returnType;
  75                 returnType = getReturnType(attributeIfc);
  76                 String getterName = "get"
  77                         + attributeIfc.getUpperCaseCammelCase();
  78                 MethodDeclaration getter = new MethodDeclaration(returnType,
  79                         getterName, Collections.<Field> emptyList());
  80                 methods.add(getter);
  81             }
  82
  83             // add rpc methods
  84             for (Rpc rpc : entry.getRpcs()) {
  85                 // convert JavaAttribute parameters into fields
  86                 List<Field> fields = new ArrayList<>();
  87                 for (JavaAttribute ja : rpc.getParameters()) {
  88                     Field field = new Field(Collections.<String> emptyList(),
  89                             ja.getType().getFullyQualifiedName(),
  90                             ja.getLowerCaseCammelCase(), ja.getNullableDefaultWrappedForCode());
  91                     fields.add(field);
  92                 }
  93                 MethodDeclaration operation = new MethodDeclaration(
  94                         getReturnType(rpc.getReturnType()), rpc.getName(), fields);
  95                 methods.add(operation);
  96             }
  97
  98             // FIXME header
  99             GeneralInterfaceTemplate runtimeMxBeanIfc = new GeneralInterfaceTemplate(
 100                     null, entry.getPackageName(), mxBeanTypeName,
 101                     extendedInterfaces, methods);
 102
 103             result.put(runtimeMxBeanIfc.getTypeDeclaration().getName()
 104                     + ".java", runtimeMxBeanIfc);
 105         }
 106
 107         result.putAll(TemplateFactory.tOsFromRbe(entry));
 108
 109         return result;
 110     }
 111
 112     // FIXME: put into Type.toString
 113     static String serializeType(Type type, boolean addWildcards) {
 114         if (type instanceof ParameterizedType){
 115             ParameterizedType parameterizedType = (ParameterizedType) type;
 116             StringBuilder sb = new StringBuilder();
 117             sb.append(parameterizedType.getRawType().getFullyQualifiedName());
 118             sb.append(addWildcards ? "<? extends " : "<");
 119             boolean first = true;
 120             for(Type parameter: parameterizedType.getActualTypeArguments()) {
 121                 if (first) {
 122                     first = false;
 123                 } else {
 124                     sb.append(",");
 125                 }
 126                 sb.append(serializeType(parameter));
 127             }
 128             sb.append(">");
 129             return sb.toString();
 130         } else {
 131             return type.getFullyQualifiedName();
 132         }
 133     }
 134
 135     static String serializeType(Type type) {
 136         return serializeType(type, false);
 137     }
 138
 139     private static String getReturnType(AttributeIfc attributeIfc) {
 140         String returnType;
 141         if (attributeIfc instanceof TypedAttribute) {
 142             Type type = ((TypedAttribute) attributeIfc).getType();
 143             returnType = serializeType(type);
 144         } else if (attributeIfc == VoidAttribute.getInstance()) {
 145             return "void";
 146         } else {
 147             throw new UnsupportedOperationException(
 148                     "Attribute not supported: "
 149                             + attributeIfc.getClass());
 150         }
 151         return returnType;
 152     }
 153
 154     public static GeneralInterfaceTemplate serviceInterfaceFromSie(
 155             ServiceInterfaceEntry sie) {
 156
 157         List<String> extendedInterfaces = Lists
 158                 .newArrayList(AbstractServiceInterface.class.getCanonicalName());
 159         if (sie.getBase().isPresent()) {
 160             extendedInterfaces.add(sie.getBase().get().getFullyQualifiedName());
 161         }
 162
 163         // FIXME header
 164         GeneralInterfaceTemplate sieTemplate = new GeneralInterfaceTemplate(
 165                 getHeaderFromEntry(sie), sie.getPackageName(),
 166                 sie.getTypeName(), extendedInterfaces,
 167                 Lists.<MethodDeclaration> newArrayList());
 168         sieTemplate.setJavadoc(sie.getNullableDescription());
 169
 170         if (sie.getNullableDescription() != null)
 171             sieTemplate.getAnnotations().add(
 172                     Annotation.createDescriptionAnnotation(sie
 173                             .getNullableDescription()));
 174         sieTemplate.getAnnotations().addAll(Annotation.createSieAnnotations(sie));
 175
 176         return sieTemplate;
 177     }
 178
 179     public static AbstractFactoryTemplate abstractFactoryTemplateFromMbe(
 180             ModuleMXBeanEntry mbe) {
 181         AbstractFactoryAttributesProcessor attrProcessor = new AbstractFactoryAttributesProcessor();
 182         attrProcessor.processAttributes(mbe.getAttributes(),
 183                 mbe.getPackageName());
 184
 185
 186
 187         return new AbstractFactoryTemplate(getHeaderFromEntry(mbe),
 188                 mbe.getPackageName(), mbe.getAbstractFactoryName(),
 189                 attrProcessor.getFields()
 190         );
 191     }
 192
 193     public static AbstractModuleTemplate abstractModuleTemplateFromMbe(
 194             ModuleMXBeanEntry mbe) {
 195         AbstractModuleAttributesProcessor attrProcessor = new AbstractModuleAttributesProcessor(mbe.getAttributes());
 196
 197         List<ModuleField> moduleFields = attrProcessor.getModuleFields();
 198         List<String> implementedIfcs = Lists.newArrayList(
 199                 Module.class.getCanonicalName(),
 200                 mbe.getFullyQualifiedName(mbe.getMXBeanInterfaceName()));
 201
 202         for (String implementedService : mbe.getProvidedServices().keySet()) {
 203             implementedIfcs.add(implementedService);
 204         }
 205
 206         boolean generateRuntime = false;
 207         String registratorFullyQualifiedName = null;
 208         if (mbe.getRuntimeBeans() != null
 209                 && mbe.getRuntimeBeans().isEmpty() == false) {
 210             generateRuntime = true;
 211             RuntimeBeanEntry rootEntry = RuntimeRegistratorFtlTemplate
 212                     .findRoot(mbe.getRuntimeBeans());
 213             registratorFullyQualifiedName = rootEntry
 214                     .getPackageName()
 215                     .concat(".")
 216                     .concat(RuntimeRegistratorFtlTemplate.getJavaNameOfRuntimeRegistrator(rootEntry));
 217             implementedIfcs.add(RuntimeBeanRegistratorAwareModule.class
 218                     .getCanonicalName());
 219         }
 220
 221         AbstractModuleTemplate abstractModuleTemplate = new AbstractModuleTemplate(
 222                 getHeaderFromEntry(mbe), mbe.getPackageName(),
 223                 mbe.getAbstractModuleName(), implementedIfcs, moduleFields,
 224                 attrProcessor.getMethods(), generateRuntime,
 225                 registratorFullyQualifiedName);
 226
 227         if (mbe.getNullableDescription() != null)
 228             abstractModuleTemplate.getAnnotations().add(
 229                     Annotation.createDescriptionAnnotation(mbe
 230                             .getNullableDescription()));
 231         return abstractModuleTemplate;
 232     }
 233
 234     public static StubFactoryTemplate stubFactoryTemplateFromMbe(
 235             ModuleMXBeanEntry mbe) {
 236         return new StubFactoryTemplate(getHeaderFromEntry(mbe),
 237                 mbe.getPackageName(), mbe.getStubFactoryName(),
 238                 mbe.getFullyQualifiedName(mbe.getAbstractFactoryName())
 239         );
 240     }
 241
 242     public static GeneralInterfaceTemplate mXBeanInterfaceTemplateFromMbe(
 243             ModuleMXBeanEntry mbe) {
 244         MXBeanInterfaceAttributesProcessor attrProcessor = new MXBeanInterfaceAttributesProcessor();
 245         attrProcessor.processAttributes(mbe.getAttributes());
 246         GeneralInterfaceTemplate ifcTemplate = new GeneralInterfaceTemplate(
 247                 getHeaderFromEntry(mbe), mbe.getPackageName(),
 248                 mbe.getMXBeanInterfaceName(), Lists.<String> newArrayList(),
 249                 attrProcessor.getMethods());
 250         ifcTemplate.setJavadoc(mbe.getNullableDescription());
 251         return ifcTemplate;
 252     }
 253
 254     public static Map<String, GeneralClassTemplate> tOsFromMbe(
 255             ModuleMXBeanEntry mbe) {
 256         Map<String, GeneralClassTemplate> retVal = Maps.newHashMap();
 257         TOAttributesProcessor processor = new TOAttributesProcessor();
 258         processor.processAttributes(mbe.getAttributes());
 259         for (org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.TemplateFactory.TOAttributesProcessor.TOInternal to : processor
 260                 .getTOs()) {
 261             List<Constructor> constructors = Lists.newArrayList();
 262             constructors.add(new Constructor(to.getName(), "super();"));
 263
 264             Header header = getHeaderFromEntry(mbe);
 265             retVal.put(
 266                     to.getType(),
 267                     new GeneralClassTemplate(header, mbe.getPackageName(), to
 268                             .getName(), Collections.<String> emptyList(),
 269                             Collections.<String> emptyList(), to.getFields(),
 270                             to.getMethods(), false, false, constructors));
 271         }
 272         return retVal;
 273     }
 274
 275     public static Map<String, GeneralClassTemplate> tOsFromRbe(
 276             RuntimeBeanEntry rbe) {
 277         Map<String, GeneralClassTemplate> retVal = Maps.newHashMap();
 278         TOAttributesProcessor processor = new TOAttributesProcessor();
 279         Map<String, AttributeIfc> yangPropertiesToTypesMap = Maps.newHashMap(rbe.getYangPropertiesToTypesMap());
 280
 281         // Add TOs from output parameters
 282         for (Rpc rpc : rbe.getRpcs()) {
 283             AttributeIfc returnType = rpc.getReturnType();
 284
 285             if (returnType == VoidAttribute.getInstance()) {
 286                 continue;
 287             }
 288             if (returnType instanceof JavaAttribute) {
 289                 continue;
 290             }
 291             if (returnType instanceof ListAttribute && returnType.getOpenType() instanceof SimpleType) {
 292                 continue;
 293             }
 294
 295             Preconditions.checkState(yangPropertiesToTypesMap.containsKey(returnType.getAttributeYangName()) == false,
 296                     "Duplicate TO %s for %s", returnType.getAttributeYangName(), rbe);
 297             yangPropertiesToTypesMap.put(returnType.getAttributeYangName(), returnType);
 298         }
 299
 300         processor.processAttributes(yangPropertiesToTypesMap);
 301         for (org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.TemplateFactory.TOAttributesProcessor.TOInternal to : processor
 302                 .getTOs()) {
 303             List<Constructor> constructors = Lists.newArrayList();
 304             constructors.add(new Constructor(to.getName(), "super();"));
 305
 306             // TODO header
 307             retVal.put(
 308                     to.getType(),
 309                     new GeneralClassTemplate(null, rbe.getPackageName(), to
 310                             .getName(), Collections.<String> emptyList(),
 311                             Collections.<String> emptyList(), to.getFields(),
 312                             to.getMethods(), false, false, constructors));
 313         }
 314         return retVal;
 315     }
 316
 317     private static Header getHeaderFromEntry(AbstractEntry mbe) {
 318         return new Header(mbe.getYangModuleName(), mbe.getYangModuleLocalname());
 319     }
 320
 321     // TODO refactor attribute processors
 322
 323     private static class TOAttributesProcessor {
 324
 325         private final List<TOInternal> tos = Lists.newArrayList();
 326
 327         void processAttributes(Map<String, AttributeIfc> attributes) {
 328             for (Entry<String, AttributeIfc> attrEntry : attributes.entrySet()) {
 329                 AttributeIfc attributeIfc = attrEntry.getValue();
 330                 if (attributeIfc instanceof TOAttribute) {
 331                     createTOInternal((TOAttribute) attributeIfc);
 332                 }
 333                 if (attributeIfc instanceof ListAttribute) {
 334                     AttributeIfc innerAttr = ((ListAttribute) attributeIfc)
 335                             .getInnerAttribute();
 336                     if (innerAttr instanceof TOAttribute) {
 337                         createTOInternal((TOAttribute) innerAttr);
 338                     }
 339                 }
 340             }
 341         }
 342
 343         private void createTOInternal(TOAttribute toAttribute) {
 344
 345             Map<String, AttributeIfc> attrs = toAttribute.getCapitalizedPropertiesToTypesMap();
 346             // recursive processing of TO's attributes
 347             processAttributes(attrs);
 348
 349             tos.add(new TOInternal(toAttribute.getType(), attrs));
 350         }
 351
 352         List<TOInternal> getTOs() {
 353             return tos;
 354         }
 355
 356         private static class TOInternal {
 357             private final String fullyQualifiedName, name;
 358             private List<Field> fields;
 359             private List<MethodDefinition> methods;
 360
 361             public TOInternal(Type type, Map<String, AttributeIfc> attrs) {
 362                 this(type.getFullyQualifiedName(), type.getName(), attrs, type.getPackageName());
 363             }
 364
 365             public TOInternal(String fullyQualifiedName, String name,
 366                     Map<String, AttributeIfc> attrs, String packageName) {
 367                 this.fullyQualifiedName = fullyQualifiedName;
 368                 this.name = name;
 369                 processAttrs(attrs, packageName);
 370             }
 371
 372             private final static String dependencyResolverVarName = "dependencyResolver";
 373             private final static String dependencyResolverInjectMethodName = "injectDependencyResolver";
 374
 375             private void processAttrs(Map<String, AttributeIfc> attrs, String packageName) {
 376                 fields = Lists.newArrayList();
 377                 methods = Lists.newArrayList();
 378
 379                 // FIXME conflict if "dependencyResolver" field from yang
 380                 Field depRes = new Field(DependencyResolver.class.getName(), dependencyResolverVarName);
 381                 fields.add(depRes);
 382                 methods.add(new MethodDefinition("void", dependencyResolverInjectMethodName, Lists.newArrayList(depRes),
 383                         "this." + dependencyResolverVarName + " = " + dependencyResolverVarName + ";"));
 384
 385                 for (Entry<String, AttributeIfc> attrEntry : attrs.entrySet()) {
 386                     String innerName = attrEntry.getKey();
 387                     String varName = BindingGeneratorUtil
 388                             .parseToValidParamName(attrEntry.getKey());
 389
 390                     String fullyQualifiedName, nullableDefault = null;
 391                     if (attrEntry.getValue() instanceof TypedAttribute) {
 392                         Type type = ((TypedAttribute) attrEntry.getValue()).getType();
 393                         if(attrEntry.getValue() instanceof JavaAttribute) {
 394                             nullableDefault = ((JavaAttribute)attrEntry.getValue()).getNullableDefaultWrappedForCode();
 395                             if(((JavaAttribute)attrEntry.getValue()).isIdentityRef()) {
 396
 397                                 String fieldType = serializeType(type, true);
 398                                 String innerType = getInnerTypeFromIdentity(type);
 399                                 methods.add(new MethodDefinition(fieldType, "resolve" + attrEntry.getKey(), Collections.<Field>emptyList(),
 400                                         "return " + varName + ".resolveIdentity(" + dependencyResolverVarName + "," +  innerType + ".class);"));
 401                                 type = identityRefType;
 402                             }
 403                         }
 404                         fullyQualifiedName = serializeType(type);
 405                     } else {
 406                         fullyQualifiedName = FullyQualifiedNameHelper
 407                                 .getFullyQualifiedName(packageName, attrEntry.getValue().getUpperCaseCammelCase());
 408                     }
 409                     fields.add(new Field(fullyQualifiedName, varName, nullableDefault, needsDepResolver(attrEntry.getValue())));
 410
 411                     String getterName = "get" + innerName;
 412                     MethodDefinition getter = new MethodDefinition(
 413                             fullyQualifiedName, getterName,
 414                             Collections.<Field> emptyList(), "return "
 415                                     + varName + ";");
 416
 417                     String setterName = "set" + innerName;
 418                     MethodDefinition setter = new MethodDefinition("void",
 419                             setterName, Lists.newArrayList(new Field(
 420                                     fullyQualifiedName, varName)), "this."
 421                                     + varName + " = " + varName + ";");
 422                     methods.add(getter);
 423                     methods.add(setter);
 424                 }
 425
 426             }
 427
 428             String getType() {
 429                 return fullyQualifiedName;
 430             }
 431
 432             String getName() {
 433                 return name;
 434             }
 435
 436             List<Field> getFields() {
 437                 return fields;
 438             }
 439
 440             List<MethodDefinition> getMethods() {
 441                 return methods;
 442             }
 443         }
 444     }
 445
 446
 447     private static class MXBeanInterfaceAttributesProcessor {
 448         private final List<MethodDeclaration> methods = Lists.newArrayList();
 449
 450         void processAttributes(Map<String, AttributeIfc> attributes) {
 451             for (Entry<String, AttributeIfc> attrEntry : attributes.entrySet()) {
 452                 String returnType;
 453                 AttributeIfc attributeIfc = attrEntry.getValue();
 454
 455                 if (attributeIfc instanceof TypedAttribute) {
 456                     TypedAttribute typedAttribute = (TypedAttribute) attributeIfc;
 457                     returnType = serializeType(typedAttribute.getType());
 458
 459                     if (attributeIfc instanceof JavaAttribute && ((JavaAttribute)attrEntry.getValue()).isIdentityRef()) {
 460                         returnType = serializeType(identityRefType);
 461                     }
 462
 463                 } else {
 464                     throw new UnsupportedOperationException(
 465                             "Attribute not supported: "
 466                                     + attributeIfc.getClass());
 467                 }
 468
 469                 String getterName = "get"
 470                         + attributeIfc.getUpperCaseCammelCase();
 471                 MethodDeclaration getter = new MethodDeclaration(returnType,
 472                         getterName, Collections.<Field> emptyList());
 473
 474                 String varName = BindingGeneratorUtil
 475                         .parseToValidParamName(attrEntry.getKey());
 476                 String setterName = "set"
 477                         + attributeIfc.getUpperCaseCammelCase();
 478                 MethodDeclaration setter = new MethodDeclaration("void",
 479                         setterName, Lists.newArrayList(new Field(returnType,
 480                                 varName)));
 481
 482                 methods.add(getter);
 483                 methods.add(setter);
 484
 485                 if (attributeIfc.getNullableDescription() != null) {
 486                     setter.setJavadoc(attrEntry.getValue()
 487                             .getNullableDescription());
 488                 }
 489             }
 490         }
 491
 492         List<MethodDeclaration> getMethods() {
 493             return methods;
 494         }
 495     }
 496
 497     private static final Type identityRefType = new Type() {
 498         public final Class<IdentityAttributeRef> IDENTITY_ATTRIBUTE_REF_CLASS = IdentityAttributeRef.class;
 499
 500         @Override
 501         public String getPackageName() {
 502             return IDENTITY_ATTRIBUTE_REF_CLASS.getPackage().getName();
 503         }
 504
 505         @Override
 506         public String getName() {
 507             return IDENTITY_ATTRIBUTE_REF_CLASS.getSimpleName();
 508         }
 509
 510         @Override
 511         public String getFullyQualifiedName() {
 512             return IDENTITY_ATTRIBUTE_REF_CLASS.getName();
 513         }
 514     };
 515
 516     private static class AbstractFactoryAttributesProcessor {
 517
 518         private final List<Field> fields = Lists.newArrayList();
 519
 520         void processAttributes(Map<String, AttributeIfc> attributes,
 521                 String packageName) {
 522             for (Entry<String, AttributeIfc> attrEntry : attributes.entrySet()) {
 523                 String type;
 524                 String nullableDefaultWrapped = null;
 525                 AttributeIfc attributeIfc = attrEntry.getValue();
 526
 527                 if (attributeIfc instanceof TypedAttribute) {
 528                     TypedAttribute typedAttribute = (TypedAttribute) attributeIfc;
 529                     type = serializeType(typedAttribute.getType());
 530                 } else {
 531                     throw new UnsupportedOperationException(
 532                             "Attribute not supported: "
 533                                     + attributeIfc.getClass());
 534                 }
 535
 536                 fields.add(new Field(type, attributeIfc
 537                         .getUpperCaseCammelCase(), nullableDefaultWrapped));
 538             }
 539         }
 540
 541         List<Field> getFields() {
 542             return fields;
 543         }
 544     }
 545
 546     private static class AbstractModuleAttributesProcessor {
 547         private static class Holder {
 548             private final List<ModuleField> moduleFields;
 549             private final List<MethodDefinition> methods;
 550
 551             private Holder(List<ModuleField> moduleFields, List<MethodDefinition> methods) {
 552                 this.moduleFields = Collections.unmodifiableList(moduleFields);
 553                 this.methods = Collections.unmodifiableList(methods);
 554             }
 555         }
 556
 557         private final Holder holder;
 558
 559
 560         private AbstractModuleAttributesProcessor(Map<String, AttributeIfc> attributes) {
 561             this.holder = processAttributes(attributes);
 562         }
 563
 564         private static Holder processAttributes(Map<String, AttributeIfc> attributes) {
 565             List<ModuleField> moduleFields = new ArrayList<>();
 566             List<MethodDefinition> methods = new ArrayList<>();
 567             for (Entry<String, AttributeIfc> attrEntry : attributes.entrySet()) {
 568                 String type, nullableDefaultWrapped = null;
 569                 AttributeIfc attributeIfc = attrEntry.getValue();
 570                 boolean isIdentity = false;
 571                 boolean needsDepResolver = needsDepResolver(attrEntry.getValue());
 572
 573                 if (attributeIfc instanceof TypedAttribute) {
 574                     TypedAttribute typedAttribute = (TypedAttribute) attributeIfc;
 575                     type = serializeType(typedAttribute.getType());
 576                     if (attributeIfc instanceof JavaAttribute) {
 577                         nullableDefaultWrapped = ((JavaAttribute) attributeIfc).getNullableDefaultWrappedForCode();
 578                         if(((JavaAttribute)attrEntry.getValue()).isIdentityRef()) {
 579                             isIdentity = true;
 580                             type = serializeType(typedAttribute.getType(), true);
 581                         }
 582                     }
 583                 } else {
 584                     throw new UnsupportedOperationException(
 585                             "Attribute not supported: "
 586                                     + attributeIfc.getClass());
 587                 }
 588
 589                 boolean isDependency = false;
 590                 boolean isListOfDependencies = false;
 591                 Dependency dependency = null;
 592                 Annotation overrideAnnotation = new Annotation("Override",
 593                         Collections.<Parameter> emptyList());
 594                 List<Annotation> annotations = Lists
 595                         .newArrayList(overrideAnnotation);
 596
 597                 if (attributeIfc instanceof AbstractDependencyAttribute) {
 598                     isDependency = true;
 599                     dependency = ((AbstractDependencyAttribute) attributeIfc)
 600                             .getDependency();
 601                     annotations.add(Annotation
 602                             .createRequireIfcAnnotation(dependency.getSie()));
 603                     if (attributeIfc instanceof ListDependenciesAttribute) {
 604                         isListOfDependencies = true;
 605                     }
 606                 }
 607
 608                 String varName = BindingGeneratorUtil
 609                         .parseToValidParamName(attrEntry.getKey());
 610
 611                 ModuleField field;
 612                 if (isIdentity) {
 613                     String identityBaseClass = getInnerTypeFromIdentity(((TypedAttribute) attributeIfc).getType());
 614                     IdentityRefModuleField identityField = new IdentityRefModuleField(type, varName,
 615                             attributeIfc.getUpperCaseCammelCase(), identityBaseClass);
 616
 617                     String getterName = "get"
 618                             + attributeIfc.getUpperCaseCammelCase() + "Identity";
 619                     MethodDefinition additionalGetter = new MethodDefinition(type, getterName, Collections.<Field> emptyList(),
 620                             Collections.<Annotation> emptyList(), "return " + identityField.getIdentityClassName()
 621                                     + ";");
 622                     methods.add(additionalGetter);
 623
 624                     String setterName = "set"
 625                             + attributeIfc.getUpperCaseCammelCase();
 626
 627                     String setterBody = "this." + identityField.getIdentityClassName() + " = " + identityField.getIdentityClassName() + ";";
 628                     MethodDefinition additionalSetter = new MethodDefinition("void",
 629                             setterName,
 630                             Lists.newArrayList(new Field(type, identityField.getIdentityClassName())),
 631                             Collections.<Annotation> emptyList(), setterBody);
 632                     additionalSetter.setJavadoc(attributeIfc.getNullableDescription());
 633
 634                     methods.add(additionalSetter);
 635
 636                     type = serializeType(identityRefType);
 637                     field = identityField;
 638                 } else {
 639                     field = new ModuleField(type, varName, attributeIfc.getUpperCaseCammelCase(),
 640                             nullableDefaultWrapped, isDependency, dependency, isListOfDependencies, needsDepResolver);
 641                 }
 642                 moduleFields.add(field);
 643
 644
 645                 String getterName = "get"
 646                         + attributeIfc.getUpperCaseCammelCase();
 647                 MethodDefinition getter = new MethodDefinition(type,
 648                         getterName, Collections.<Field> emptyList(),
 649                         Lists.newArrayList(overrideAnnotation), "return "
 650                         + varName + ";");
 651
 652                 methods.add(getter);
 653
 654                 String setterName = "set"
 655                         + attributeIfc.getUpperCaseCammelCase();
 656
 657                 if (attributeIfc.getNullableDescription() != null) {
 658                     annotations.add(Annotation
 659                             .createDescriptionAnnotation(attributeIfc.getNullableDescription()));
 660                 }
 661
 662                 String setterBody = "this." + varName + " = " + varName + ";";
 663                 if (isListOfDependencies) {
 664                     String nullCheck = String.format("if (%s == null) throw new IllegalArgumentException(\"Null not supported\");%n",
 665                             varName);
 666                     setterBody = nullCheck + setterBody;
 667                 }
 668                 MethodDefinition setter = new MethodDefinition("void",
 669                         setterName,
 670                         Lists.newArrayList(new Field(type, varName)),
 671                         annotations, setterBody);
 672                 setter.setJavadoc(attributeIfc.getNullableDescription());
 673
 674                 methods.add(setter);
 675             }
 676             return new Holder(moduleFields, methods);
 677         }
 678
 679         List<ModuleField> getModuleFields() {
 680             return holder.moduleFields;
 681         }
 682
 683         List<MethodDefinition> getMethods() {
 684             return holder.methods;
 685         }
 686
 687     }
 688
 689
 690     private static boolean needsDepResolver(AttributeIfc value) {
 691         if(value instanceof TOAttribute)
 692             return true;
 693         if(value instanceof ListAttribute) {
 694             AttributeIfc innerAttribute = ((ListAttribute) value).getInnerAttribute();
 695             return needsDepResolver(innerAttribute);
 696         }
 697
 698         return false;
 699     }
 700
 701     private static String getInnerTypeFromIdentity(Type type) {
 702         Preconditions.checkArgument(type instanceof ParameterizedType);
 703         Type[] args = ((ParameterizedType) type).getActualTypeArguments();
 704         Preconditions.checkArgument(args.length ==1);
 705         return serializeType(args[0]);
 706     }
 707 }