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         }
 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         }
 232         return abstractModuleTemplate;
 233     }
 234
 235     public static StubFactoryTemplate stubFactoryTemplateFromMbe(
 236             ModuleMXBeanEntry mbe) {
 237         return new StubFactoryTemplate(getHeaderFromEntry(mbe),
 238                 mbe.getPackageName(), mbe.getStubFactoryName(),
 239                 mbe.getFullyQualifiedName(mbe.getAbstractFactoryName())
 240         );
 241     }
 242
 243     public static GeneralInterfaceTemplate mXBeanInterfaceTemplateFromMbe(
 244             ModuleMXBeanEntry mbe) {
 245         MXBeanInterfaceAttributesProcessor attrProcessor = new MXBeanInterfaceAttributesProcessor();
 246         attrProcessor.processAttributes(mbe.getAttributes());
 247         GeneralInterfaceTemplate ifcTemplate = new GeneralInterfaceTemplate(
 248                 getHeaderFromEntry(mbe), mbe.getPackageName(),
 249                 mbe.getMXBeanInterfaceName(), Lists.<String> newArrayList(),
 250                 attrProcessor.getMethods());
 251         ifcTemplate.setJavadoc(mbe.getNullableDescription());
 252         return ifcTemplate;
 253     }
 254
 255     public static Map<String, GeneralClassTemplate> tOsFromMbe(
 256             ModuleMXBeanEntry mbe) {
 257         Map<String, GeneralClassTemplate> retVal = Maps.newHashMap();
 258         TOAttributesProcessor processor = new TOAttributesProcessor();
 259         processor.processAttributes(mbe.getAttributes());
 260         for (org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.TemplateFactory.TOAttributesProcessor.TOInternal to : processor
 261                 .getTOs()) {
 262             List<Constructor> constructors = Lists.newArrayList();
 263             constructors.add(new Constructor(to.getName(), "super();"));
 264
 265             Header header = getHeaderFromEntry(mbe);
 266             retVal.put(
 267                     to.getType(),
 268                     new GeneralClassTemplate(header, mbe.getPackageName(), to
 269                             .getName(), Collections.<String> emptyList(),
 270                             Collections.<String> emptyList(), to.getFields(),
 271                             to.getMethods(), false, false, constructors));
 272         }
 273         return retVal;
 274     }
 275
 276     public static Map<String, GeneralClassTemplate> tOsFromRbe(
 277             RuntimeBeanEntry rbe) {
 278         Map<String, GeneralClassTemplate> retVal = Maps.newHashMap();
 279         TOAttributesProcessor processor = new TOAttributesProcessor();
 280         Map<String, AttributeIfc> yangPropertiesToTypesMap = Maps.newHashMap(rbe.getYangPropertiesToTypesMap());
 281
 282         // Add TOs from output parameters
 283         for (Rpc rpc : rbe.getRpcs()) {
 284             AttributeIfc returnType = rpc.getReturnType();
 285
 286             if (returnType == VoidAttribute.getInstance()) {
 287                 continue;
 288             }
 289             if (returnType instanceof JavaAttribute) {
 290                 continue;
 291             }
 292             if (returnType instanceof ListAttribute && returnType.getOpenType() instanceof SimpleType) {
 293                 continue;
 294             }
 295
 296             Preconditions.checkState(yangPropertiesToTypesMap.containsKey(returnType.getAttributeYangName()) == false,
 297                     "Duplicate TO %s for %s", returnType.getAttributeYangName(), rbe);
 298             yangPropertiesToTypesMap.put(returnType.getAttributeYangName(), returnType);
 299         }
 300
 301         processor.processAttributes(yangPropertiesToTypesMap);
 302         for (org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.TemplateFactory.TOAttributesProcessor.TOInternal to : processor
 303                 .getTOs()) {
 304             List<Constructor> constructors = Lists.newArrayList();
 305             constructors.add(new Constructor(to.getName(), "super();"));
 306
 307             // TODO header
 308             retVal.put(
 309                     to.getType(),
 310                     new GeneralClassTemplate(null, rbe.getPackageName(), to
 311                             .getName(), Collections.<String> emptyList(),
 312                             Collections.<String> emptyList(), to.getFields(),
 313                             to.getMethods(), false, false, constructors));
 314         }
 315         return retVal;
 316     }
 317
 318     private static Header getHeaderFromEntry(AbstractEntry mbe) {
 319         return new Header(mbe.getYangModuleName(), mbe.getYangModuleLocalname());
 320     }
 321
 322     // TODO refactor attribute processors
 323
 324     private static class TOAttributesProcessor {
 325
 326         private final List<TOInternal> tos = Lists.newArrayList();
 327
 328         void processAttributes(Map<String, AttributeIfc> attributes) {
 329             for (Entry<String, AttributeIfc> attrEntry : attributes.entrySet()) {
 330                 AttributeIfc attributeIfc = attrEntry.getValue();
 331                 if (attributeIfc instanceof TOAttribute) {
 332                     createTOInternal((TOAttribute) attributeIfc);
 333                 }
 334                 if (attributeIfc instanceof ListAttribute) {
 335                     AttributeIfc innerAttr = ((ListAttribute) attributeIfc)
 336                             .getInnerAttribute();
 337                     if (innerAttr instanceof TOAttribute) {
 338                         createTOInternal((TOAttribute) innerAttr);
 339                     }
 340                 }
 341             }
 342         }
 343
 344         private void createTOInternal(TOAttribute toAttribute) {
 345
 346             Map<String, AttributeIfc> attrs = toAttribute.getCapitalizedPropertiesToTypesMap();
 347             // recursive processing of TO's attributes
 348             processAttributes(attrs);
 349
 350             tos.add(new TOInternal(toAttribute.getType(), attrs));
 351         }
 352
 353         List<TOInternal> getTOs() {
 354             return tos;
 355         }
 356
 357         private static class TOInternal {
 358             private final String fullyQualifiedName, name;
 359             private List<Field> fields;
 360             private List<MethodDefinition> methods;
 361
 362             public TOInternal(Type type, Map<String, AttributeIfc> attrs) {
 363                 this(type.getFullyQualifiedName(), type.getName(), attrs, type.getPackageName());
 364             }
 365
 366             public TOInternal(String fullyQualifiedName, String name,
 367                     Map<String, AttributeIfc> attrs, String packageName) {
 368                 this.fullyQualifiedName = fullyQualifiedName;
 369                 this.name = name;
 370                 processAttrs(attrs, packageName);
 371             }
 372
 373             private final static String dependencyResolverVarName = "dependencyResolver";
 374             private final static String dependencyResolverInjectMethodName = "injectDependencyResolver";
 375
 376             private void processAttrs(Map<String, AttributeIfc> attrs, String packageName) {
 377                 fields = Lists.newArrayList();
 378                 methods = Lists.newArrayList();
 379
 380                 // FIXME conflict if "dependencyResolver" field from yang
 381                 Field depRes = new Field(DependencyResolver.class.getName(), dependencyResolverVarName);
 382                 fields.add(depRes);
 383                 methods.add(new MethodDefinition("void", dependencyResolverInjectMethodName, Lists.newArrayList(depRes),
 384                         "this." + dependencyResolverVarName + " = " + dependencyResolverVarName + ";"));
 385
 386                 for (Entry<String, AttributeIfc> attrEntry : attrs.entrySet()) {
 387                     String innerName = attrEntry.getKey();
 388                     String varName = BindingGeneratorUtil
 389                             .parseToValidParamName(attrEntry.getKey());
 390
 391                     String fullyQualifiedName, nullableDefault = null;
 392                     if (attrEntry.getValue() instanceof TypedAttribute) {
 393                         Type type = ((TypedAttribute) attrEntry.getValue()).getType();
 394                         if(attrEntry.getValue() instanceof JavaAttribute) {
 395                             nullableDefault = ((JavaAttribute)attrEntry.getValue()).getNullableDefaultWrappedForCode();
 396                             if(((JavaAttribute)attrEntry.getValue()).isIdentityRef()) {
 397
 398                                 String fieldType = serializeType(type, true);
 399                                 String innerType = getInnerTypeFromIdentity(type);
 400                                 methods.add(new MethodDefinition(fieldType, "resolve" + attrEntry.getKey(), Collections.<Field>emptyList(),
 401                                         "return " + varName + ".resolveIdentity(" + dependencyResolverVarName + "," +  innerType + ".class);"));
 402                                 type = identityRefType;
 403                             }
 404                         }
 405                         fullyQualifiedName = serializeType(type);
 406                     } else {
 407                         fullyQualifiedName = FullyQualifiedNameHelper
 408                                 .getFullyQualifiedName(packageName, attrEntry.getValue().getUpperCaseCammelCase());
 409                     }
 410                     fields.add(new Field(fullyQualifiedName, varName, nullableDefault, needsDepResolver(attrEntry.getValue())));
 411
 412                     String getterName = "get" + innerName;
 413                     MethodDefinition getter = new MethodDefinition(
 414                             fullyQualifiedName, getterName,
 415                             Collections.<Field> emptyList(), "return "
 416                                     + varName + ";");
 417
 418                     String setterName = "set" + innerName;
 419                     MethodDefinition setter = new MethodDefinition("void",
 420                             setterName, Lists.newArrayList(new Field(
 421                                     fullyQualifiedName, varName)), "this."
 422                                     + varName + " = " + varName + ";");
 423                     methods.add(getter);
 424                     methods.add(setter);
 425                 }
 426
 427             }
 428
 429             String getType() {
 430                 return fullyQualifiedName;
 431             }
 432
 433             String getName() {
 434                 return name;
 435             }
 436
 437             List<Field> getFields() {
 438                 return fields;
 439             }
 440
 441             List<MethodDefinition> getMethods() {
 442                 return methods;
 443             }
 444         }
 445     }
 446
 447
 448     private static class MXBeanInterfaceAttributesProcessor {
 449         private final List<MethodDeclaration> methods = Lists.newArrayList();
 450
 451         void processAttributes(Map<String, AttributeIfc> attributes) {
 452             for (Entry<String, AttributeIfc> attrEntry : attributes.entrySet()) {
 453                 String returnType;
 454                 AttributeIfc attributeIfc = attrEntry.getValue();
 455
 456                 if (attributeIfc instanceof TypedAttribute) {
 457                     TypedAttribute typedAttribute = (TypedAttribute) attributeIfc;
 458                     returnType = serializeType(typedAttribute.getType());
 459
 460                     if (attributeIfc instanceof JavaAttribute && ((JavaAttribute)attrEntry.getValue()).isIdentityRef()) {
 461                         returnType = serializeType(identityRefType);
 462                     }
 463
 464                 } else {
 465                     throw new UnsupportedOperationException(
 466                             "Attribute not supported: "
 467                                     + attributeIfc.getClass());
 468                 }
 469
 470                 String getterName = "get"
 471                         + attributeIfc.getUpperCaseCammelCase();
 472                 MethodDeclaration getter = new MethodDeclaration(returnType,
 473                         getterName, Collections.<Field> emptyList());
 474
 475                 String varName = BindingGeneratorUtil
 476                         .parseToValidParamName(attrEntry.getKey());
 477                 String setterName = "set"
 478                         + attributeIfc.getUpperCaseCammelCase();
 479                 MethodDeclaration setter = new MethodDeclaration("void",
 480                         setterName, Lists.newArrayList(new Field(returnType,
 481                                 varName)));
 482
 483                 methods.add(getter);
 484                 methods.add(setter);
 485
 486                 if (attributeIfc.getNullableDescription() != null) {
 487                     setter.setJavadoc(attrEntry.getValue()
 488                             .getNullableDescription());
 489                 }
 490             }
 491         }
 492
 493         List<MethodDeclaration> getMethods() {
 494             return methods;
 495         }
 496     }
 497
 498     private static final Type identityRefType = new Type() {
 499         public final Class<IdentityAttributeRef> IDENTITY_ATTRIBUTE_REF_CLASS = IdentityAttributeRef.class;
 500
 501         @Override
 502         public String getPackageName() {
 503             return IDENTITY_ATTRIBUTE_REF_CLASS.getPackage().getName();
 504         }
 505
 506         @Override
 507         public String getName() {
 508             return IDENTITY_ATTRIBUTE_REF_CLASS.getSimpleName();
 509         }
 510
 511         @Override
 512         public String getFullyQualifiedName() {
 513             return IDENTITY_ATTRIBUTE_REF_CLASS.getName();
 514         }
 515     };
 516
 517     private static class AbstractFactoryAttributesProcessor {
 518
 519         private final List<Field> fields = Lists.newArrayList();
 520
 521         void processAttributes(Map<String, AttributeIfc> attributes,
 522                 String packageName) {
 523             for (Entry<String, AttributeIfc> attrEntry : attributes.entrySet()) {
 524                 String type;
 525                 String nullableDefaultWrapped = null;
 526                 AttributeIfc attributeIfc = attrEntry.getValue();
 527
 528                 if (attributeIfc instanceof TypedAttribute) {
 529                     TypedAttribute typedAttribute = (TypedAttribute) attributeIfc;
 530                     type = serializeType(typedAttribute.getType());
 531                 } else {
 532                     throw new UnsupportedOperationException(
 533                             "Attribute not supported: "
 534                                     + attributeIfc.getClass());
 535                 }
 536
 537                 fields.add(new Field(type, attributeIfc
 538                         .getUpperCaseCammelCase(), nullableDefaultWrapped));
 539             }
 540         }
 541
 542         List<Field> getFields() {
 543             return fields;
 544         }
 545     }
 546
 547     private static class AbstractModuleAttributesProcessor {
 548         private static class Holder {
 549             private final List<ModuleField> moduleFields;
 550             private final List<MethodDefinition> methods;
 551
 552             private Holder(List<ModuleField> moduleFields, List<MethodDefinition> methods) {
 553                 this.moduleFields = Collections.unmodifiableList(moduleFields);
 554                 this.methods = Collections.unmodifiableList(methods);
 555             }
 556         }
 557
 558         private final Holder holder;
 559
 560
 561         private AbstractModuleAttributesProcessor(Map<String, AttributeIfc> attributes) {
 562             this.holder = processAttributes(attributes);
 563         }
 564
 565         private static Holder processAttributes(Map<String, AttributeIfc> attributes) {
 566             List<ModuleField> moduleFields = new ArrayList<>();
 567             List<MethodDefinition> methods = new ArrayList<>();
 568             for (Entry<String, AttributeIfc> attrEntry : attributes.entrySet()) {
 569                 String type, nullableDefaultWrapped = null;
 570                 AttributeIfc attributeIfc = attrEntry.getValue();
 571                 boolean isIdentity = false;
 572                 boolean needsDepResolver = needsDepResolver(attrEntry.getValue());
 573
 574                 if (attributeIfc instanceof TypedAttribute) {
 575                     TypedAttribute typedAttribute = (TypedAttribute) attributeIfc;
 576                     type = serializeType(typedAttribute.getType());
 577                     if (attributeIfc instanceof JavaAttribute) {
 578                         nullableDefaultWrapped = ((JavaAttribute) attributeIfc).getNullableDefaultWrappedForCode();
 579                         if(((JavaAttribute)attrEntry.getValue()).isIdentityRef()) {
 580                             isIdentity = true;
 581                             type = serializeType(typedAttribute.getType(), true);
 582                         }
 583                     }
 584                 } else {
 585                     throw new UnsupportedOperationException(
 586                             "Attribute not supported: "
 587                                     + attributeIfc.getClass());
 588                 }
 589
 590                 boolean isDependency = false;
 591                 boolean isListOfDependencies = false;
 592                 Dependency dependency = null;
 593                 Annotation overrideAnnotation = new Annotation("Override",
 594                         Collections.<Parameter> emptyList());
 595                 List<Annotation> annotations = Lists
 596                         .newArrayList(overrideAnnotation);
 597
 598                 if (attributeIfc instanceof AbstractDependencyAttribute) {
 599                     isDependency = true;
 600                     dependency = ((AbstractDependencyAttribute) attributeIfc)
 601                             .getDependency();
 602                     annotations.add(Annotation
 603                             .createRequireIfcAnnotation(dependency.getSie()));
 604                     if (attributeIfc instanceof ListDependenciesAttribute) {
 605                         isListOfDependencies = true;
 606                     }
 607                 }
 608
 609                 String varName = BindingGeneratorUtil
 610                         .parseToValidParamName(attrEntry.getKey());
 611
 612                 ModuleField field;
 613                 if (isIdentity) {
 614                     String identityBaseClass = getInnerTypeFromIdentity(((TypedAttribute) attributeIfc).getType());
 615                     IdentityRefModuleField identityField = new IdentityRefModuleField(type, varName,
 616                             attributeIfc.getUpperCaseCammelCase(), identityBaseClass);
 617
 618                     String getterName = "get"
 619                             + attributeIfc.getUpperCaseCammelCase() + "Identity";
 620                     MethodDefinition additionalGetter = new MethodDefinition(type, getterName, Collections.<Field> emptyList(),
 621                             Collections.<Annotation> emptyList(), "return " + identityField.getIdentityClassName()
 622                                     + ";");
 623                     methods.add(additionalGetter);
 624
 625                     String setterName = "set"
 626                             + attributeIfc.getUpperCaseCammelCase();
 627
 628                     String setterBody = "this." + identityField.getIdentityClassName() + " = " + identityField.getIdentityClassName() + ";";
 629                     MethodDefinition additionalSetter = new MethodDefinition("void",
 630                             setterName,
 631                             Lists.newArrayList(new Field(type, identityField.getIdentityClassName())),
 632                             Collections.<Annotation> emptyList(), setterBody);
 633                     additionalSetter.setJavadoc(attributeIfc.getNullableDescription());
 634
 635                     methods.add(additionalSetter);
 636
 637                     type = serializeType(identityRefType);
 638                     field = identityField;
 639                 } else {
 640                     field = new ModuleField(type, varName, attributeIfc.getUpperCaseCammelCase(),
 641                             nullableDefaultWrapped, isDependency, dependency, isListOfDependencies, needsDepResolver);
 642                 }
 643                 moduleFields.add(field);
 644
 645
 646                 String getterName = "get"
 647                         + attributeIfc.getUpperCaseCammelCase();
 648                 MethodDefinition getter = new MethodDefinition(type,
 649                         getterName, Collections.<Field> emptyList(),
 650                         Lists.newArrayList(overrideAnnotation), "return "
 651                         + varName + ";");
 652
 653                 methods.add(getter);
 654
 655                 String setterName = "set"
 656                         + attributeIfc.getUpperCaseCammelCase();
 657
 658                 if (attributeIfc.getNullableDescription() != null) {
 659                     annotations.add(Annotation
 660                             .createDescriptionAnnotation(attributeIfc.getNullableDescription()));
 661                 }
 662
 663                 String setterBody = "this." + varName + " = " + varName + ";";
 664                 if (isListOfDependencies) {
 665                     String nullCheck = String.format("if (%s == null) throw new IllegalArgumentException(\"Null not supported\");%n",
 666                             varName);
 667                     setterBody = nullCheck + setterBody;
 668                 }
 669                 MethodDefinition setter = new MethodDefinition("void",
 670                         setterName,
 671                         Lists.newArrayList(new Field(type, varName)),
 672                         annotations, setterBody);
 673                 setter.setJavadoc(attributeIfc.getNullableDescription());
 674
 675                 methods.add(setter);
 676             }
 677             return new Holder(moduleFields, methods);
 678         }
 679
 680         List<ModuleField> getModuleFields() {
 681             return holder.moduleFields;
 682         }
 683
 684         List<MethodDefinition> getMethods() {
 685             return holder.methods;
 686         }
 687
 688     }
 689
 690
 691     private static boolean needsDepResolver(AttributeIfc value) {
 692         if(value instanceof TOAttribute) {
 693             return true;
 694         }
 695         if(value instanceof ListAttribute) {
 696             AttributeIfc innerAttribute = ((ListAttribute) value).getInnerAttribute();
 697             return needsDepResolver(innerAttribute);
 698         }
 699
 700         return false;
 701     }
 702
 703     private static String getInnerTypeFromIdentity(Type type) {
 704         Preconditions.checkArgument(type instanceof ParameterizedType);
 705         Type[] args = ((ParameterizedType) type).getActualTypeArguments();
 706         Preconditions.checkArgument(args.length ==1);
 707         return serializeType(args[0]);
 708     }
 709 }