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.AbstractModule;
  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                 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         List<String> extendedClasses = Collections.singletonList(AbstractModule.class.getCanonicalName() + "<" + mbe.getAbstractModuleName() + ">");
 221
 222         AbstractModuleTemplate abstractModuleTemplate = new AbstractModuleTemplate(
 223                 getHeaderFromEntry(mbe), mbe.getPackageName(),
 224                 mbe.getAbstractModuleName(), extendedClasses, implementedIfcs, moduleFields,
 225                 attrProcessor.getMethods(), generateRuntime,
 226                 registratorFullyQualifiedName);
 227
 228         if (mbe.getNullableDescription() != null) {
 229             abstractModuleTemplate.getAnnotations().add(
 230                     Annotation.createDescriptionAnnotation(mbe
 231                             .getNullableDescription()));
 232         }
 233         return abstractModuleTemplate;
 234     }
 235
 236     public static StubFactoryTemplate stubFactoryTemplateFromMbe(
 237             ModuleMXBeanEntry mbe) {
 238         return new StubFactoryTemplate(getHeaderFromEntry(mbe),
 239                 mbe.getPackageName(), mbe.getStubFactoryName(),
 240                 mbe.getFullyQualifiedName(mbe.getAbstractFactoryName())
 241         );
 242     }
 243
 244     public static GeneralInterfaceTemplate mXBeanInterfaceTemplateFromMbe(
 245             ModuleMXBeanEntry mbe) {
 246         MXBeanInterfaceAttributesProcessor attrProcessor = new MXBeanInterfaceAttributesProcessor();
 247         attrProcessor.processAttributes(mbe.getAttributes());
 248         GeneralInterfaceTemplate ifcTemplate = new GeneralInterfaceTemplate(
 249                 getHeaderFromEntry(mbe), mbe.getPackageName(),
 250                 mbe.getMXBeanInterfaceName(), Lists.<String> newArrayList(),
 251                 attrProcessor.getMethods());
 252         ifcTemplate.setJavadoc(mbe.getNullableDescription());
 253         return ifcTemplate;
 254     }
 255
 256     public static Map<String, GeneralClassTemplate> tOsFromMbe(
 257             ModuleMXBeanEntry mbe) {
 258         Map<String, GeneralClassTemplate> retVal = Maps.newHashMap();
 259         TOAttributesProcessor processor = new TOAttributesProcessor();
 260         processor.processAttributes(mbe.getAttributes());
 261         for (org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.TemplateFactory.TOAttributesProcessor.TOInternal to : processor
 262                 .getTOs()) {
 263             List<Constructor> constructors = Lists.newArrayList();
 264             constructors.add(new Constructor(to.getName(), "super();"));
 265
 266             Header header = getHeaderFromEntry(mbe);
 267             retVal.put(
 268                     to.getType(),
 269                     new GeneralClassTemplate(header, mbe.getPackageName(), to
 270                             .getName(), Collections.<String> emptyList(),
 271                             Collections.<String> emptyList(), to.getFields(),
 272                             to.getMethods(), false, false, constructors));
 273         }
 274         return retVal;
 275     }
 276
 277     public static Map<String, GeneralClassTemplate> tOsFromRbe(
 278             RuntimeBeanEntry rbe) {
 279         Map<String, GeneralClassTemplate> retVal = Maps.newHashMap();
 280         TOAttributesProcessor processor = new TOAttributesProcessor();
 281         Map<String, AttributeIfc> yangPropertiesToTypesMap = Maps.newHashMap(rbe.getYangPropertiesToTypesMap());
 282
 283         // Add TOs from output parameters
 284         for (Rpc rpc : rbe.getRpcs()) {
 285             AttributeIfc returnType = rpc.getReturnType();
 286
 287             if (returnType == VoidAttribute.getInstance()) {
 288                 continue;
 289             }
 290             if (returnType instanceof JavaAttribute) {
 291                 continue;
 292             }
 293             if (returnType instanceof ListAttribute && returnType.getOpenType() instanceof SimpleType) {
 294                 continue;
 295             }
 296
 297             Preconditions.checkState(yangPropertiesToTypesMap.containsKey(returnType.getAttributeYangName()) == false,
 298                     "Duplicate TO %s for %s", returnType.getAttributeYangName(), rbe);
 299             yangPropertiesToTypesMap.put(returnType.getAttributeYangName(), returnType);
 300         }
 301
 302         processor.processAttributes(yangPropertiesToTypesMap);
 303         for (org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.TemplateFactory.TOAttributesProcessor.TOInternal to : processor
 304                 .getTOs()) {
 305             List<Constructor> constructors = Lists.newArrayList();
 306             constructors.add(new Constructor(to.getName(), "super();"));
 307
 308             // TODO header
 309             retVal.put(
 310                     to.getType(),
 311                     new GeneralClassTemplate(null, rbe.getPackageName(), to
 312                             .getName(), Collections.<String> emptyList(),
 313                             Collections.<String> emptyList(), to.getFields(),
 314                             to.getMethods(), false, false, constructors));
 315         }
 316         return retVal;
 317     }
 318
 319     private static Header getHeaderFromEntry(AbstractEntry mbe) {
 320         return new Header(mbe.getYangModuleName(), mbe.getYangModuleLocalname());
 321     }
 322
 323     // TODO refactor attribute processors
 324
 325     private static class TOAttributesProcessor {
 326
 327         private final List<TOInternal> tos = Lists.newArrayList();
 328
 329         void processAttributes(Map<String, AttributeIfc> attributes) {
 330             for (Entry<String, AttributeIfc> attrEntry : attributes.entrySet()) {
 331                 AttributeIfc attributeIfc = attrEntry.getValue();
 332                 if (attributeIfc instanceof TOAttribute) {
 333                     createTOInternal((TOAttribute) attributeIfc);
 334                 }
 335                 if (attributeIfc instanceof ListAttribute) {
 336                     AttributeIfc innerAttr = ((ListAttribute) attributeIfc)
 337                             .getInnerAttribute();
 338                     if (innerAttr instanceof TOAttribute) {
 339                         createTOInternal((TOAttribute) innerAttr);
 340                     }
 341                 }
 342             }
 343         }
 344
 345         private void createTOInternal(TOAttribute toAttribute) {
 346
 347             Map<String, AttributeIfc> attrs = toAttribute.getCapitalizedPropertiesToTypesMap();
 348             // recursive processing of TO's attributes
 349             processAttributes(attrs);
 350
 351             tos.add(new TOInternal(toAttribute.getType(), attrs));
 352         }
 353
 354         List<TOInternal> getTOs() {
 355             return tos;
 356         }
 357
 358         private static class TOInternal {
 359             private final String fullyQualifiedName, name;
 360             private List<Field> fields;
 361             private List<MethodDefinition> methods;
 362
 363             public TOInternal(Type type, Map<String, AttributeIfc> attrs) {
 364                 this(type.getFullyQualifiedName(), type.getName(), attrs, type.getPackageName());
 365             }
 366
 367             public TOInternal(String fullyQualifiedName, String name,
 368                     Map<String, AttributeIfc> attrs, String packageName) {
 369                 this.fullyQualifiedName = fullyQualifiedName;
 370                 this.name = name;
 371                 processAttrs(attrs, packageName);
 372             }
 373
 374             private final static String dependencyResolverVarName = "dependencyResolver";
 375             private final static String dependencyResolverInjectMethodName = "injectDependencyResolver";
 376
 377             private void processAttrs(Map<String, AttributeIfc> attrs, String packageName) {
 378                 fields = Lists.newArrayList();
 379                 methods = Lists.newArrayList();
 380
 381                 // FIXME conflict if "dependencyResolver" field from yang
 382                 Field depRes = new Field(DependencyResolver.class.getName(), dependencyResolverVarName);
 383                 fields.add(depRes);
 384                 methods.add(new MethodDefinition("void", dependencyResolverInjectMethodName, Lists.newArrayList(depRes),
 385                         "this." + dependencyResolverVarName + " = " + dependencyResolverVarName + ";"));
 386
 387                 for (Entry<String, AttributeIfc> attrEntry : attrs.entrySet()) {
 388                     String innerName = attrEntry.getKey();
 389                     String varName = BindingGeneratorUtil
 390                             .parseToValidParamName(attrEntry.getKey());
 391
 392                     String fullyQualifiedName, nullableDefault = null;
 393                     if (attrEntry.getValue() instanceof TypedAttribute) {
 394                         Type type = ((TypedAttribute) attrEntry.getValue()).getType();
 395                         if(attrEntry.getValue() instanceof JavaAttribute) {
 396                             nullableDefault = ((JavaAttribute)attrEntry.getValue()).getNullableDefaultWrappedForCode();
 397                             if(((JavaAttribute)attrEntry.getValue()).isIdentityRef()) {
 398
 399                                 String fieldType = serializeType(type, true);
 400                                 String innerType = getInnerTypeFromIdentity(type);
 401                                 methods.add(new MethodDefinition(fieldType, "resolve" + attrEntry.getKey(), Collections.<Field>emptyList(),
 402                                         "return " + varName + ".resolveIdentity(" + dependencyResolverVarName + "," +  innerType + ".class);"));
 403                                 type = identityRefType;
 404                             }
 405                         }
 406                         fullyQualifiedName = serializeType(type);
 407                     } else {
 408                         fullyQualifiedName = FullyQualifiedNameHelper
 409                                 .getFullyQualifiedName(packageName, attrEntry.getValue().getUpperCaseCammelCase());
 410                     }
 411                     fields.add(new Field(fullyQualifiedName, varName, nullableDefault, needsDepResolver(attrEntry.getValue())));
 412
 413                     String getterName = "get" + innerName;
 414                     MethodDefinition getter = new MethodDefinition(
 415                             fullyQualifiedName, getterName,
 416                             Collections.<Field> emptyList(), "return "
 417                                     + varName + ";");
 418
 419                     String setterName = "set" + innerName;
 420                     MethodDefinition setter = new MethodDefinition("void",
 421                             setterName, Lists.newArrayList(new Field(
 422                                     fullyQualifiedName, varName)), "this."
 423                                     + varName + " = " + varName + ";");
 424                     methods.add(getter);
 425                     methods.add(setter);
 426                 }
 427
 428             }
 429
 430             String getType() {
 431                 return fullyQualifiedName;
 432             }
 433
 434             String getName() {
 435                 return name;
 436             }
 437
 438             List<Field> getFields() {
 439                 return fields;
 440             }
 441
 442             List<MethodDefinition> getMethods() {
 443                 return methods;
 444             }
 445         }
 446     }
 447
 448
 449     private static class MXBeanInterfaceAttributesProcessor {
 450         private final List<MethodDeclaration> methods = Lists.newArrayList();
 451
 452         void processAttributes(Map<String, AttributeIfc> attributes) {
 453             for (Entry<String, AttributeIfc> attrEntry : attributes.entrySet()) {
 454                 String returnType;
 455                 AttributeIfc attributeIfc = attrEntry.getValue();
 456
 457                 if (attributeIfc instanceof TypedAttribute) {
 458                     TypedAttribute typedAttribute = (TypedAttribute) attributeIfc;
 459                     returnType = serializeType(typedAttribute.getType());
 460
 461                     if (attributeIfc instanceof JavaAttribute && ((JavaAttribute)attrEntry.getValue()).isIdentityRef()) {
 462                         returnType = serializeType(identityRefType);
 463                     }
 464
 465                 } else {
 466                     throw new UnsupportedOperationException(
 467                             "Attribute not supported: "
 468                                     + attributeIfc.getClass());
 469                 }
 470
 471                 String getterName = "get"
 472                         + attributeIfc.getUpperCaseCammelCase();
 473                 MethodDeclaration getter = new MethodDeclaration(returnType,
 474                         getterName, Collections.<Field> emptyList());
 475
 476                 String varName = BindingGeneratorUtil
 477                         .parseToValidParamName(attrEntry.getKey());
 478                 String setterName = "set"
 479                         + attributeIfc.getUpperCaseCammelCase();
 480                 MethodDeclaration setter = new MethodDeclaration("void",
 481                         setterName, Lists.newArrayList(new Field(returnType,
 482                                 varName)));
 483
 484                 methods.add(getter);
 485                 methods.add(setter);
 486
 487                 if (attributeIfc.getNullableDescription() != null) {
 488                     setter.setJavadoc(attrEntry.getValue()
 489                             .getNullableDescription());
 490                 }
 491             }
 492         }
 493
 494         List<MethodDeclaration> getMethods() {
 495             return methods;
 496         }
 497     }
 498
 499     private static final Type identityRefType = new Type() {
 500         public final Class<IdentityAttributeRef> IDENTITY_ATTRIBUTE_REF_CLASS = IdentityAttributeRef.class;
 501
 502         @Override
 503         public String getPackageName() {
 504             return IDENTITY_ATTRIBUTE_REF_CLASS.getPackage().getName();
 505         }
 506
 507         @Override
 508         public String getName() {
 509             return IDENTITY_ATTRIBUTE_REF_CLASS.getSimpleName();
 510         }
 511
 512         @Override
 513         public String getFullyQualifiedName() {
 514             return IDENTITY_ATTRIBUTE_REF_CLASS.getName();
 515         }
 516     };
 517
 518     private static class AbstractFactoryAttributesProcessor {
 519
 520         private final List<Field> fields = Lists.newArrayList();
 521
 522         void processAttributes(Map<String, AttributeIfc> attributes,
 523                 String packageName) {
 524             for (Entry<String, AttributeIfc> attrEntry : attributes.entrySet()) {
 525                 String type;
 526                 String nullableDefaultWrapped = null;
 527                 AttributeIfc attributeIfc = attrEntry.getValue();
 528
 529                 if (attributeIfc instanceof TypedAttribute) {
 530                     TypedAttribute typedAttribute = (TypedAttribute) attributeIfc;
 531                     type = serializeType(typedAttribute.getType());
 532                 } else {
 533                     throw new UnsupportedOperationException(
 534                             "Attribute not supported: "
 535                                     + attributeIfc.getClass());
 536                 }
 537
 538                 fields.add(new Field(type, attributeIfc
 539                         .getUpperCaseCammelCase(), nullableDefaultWrapped));
 540             }
 541         }
 542
 543         List<Field> getFields() {
 544             return fields;
 545         }
 546     }
 547
 548     private static class AbstractModuleAttributesProcessor {
 549         private static class Holder {
 550             private final List<ModuleField> moduleFields;
 551             private final List<MethodDefinition> methods;
 552
 553             private Holder(List<ModuleField> moduleFields, List<MethodDefinition> methods) {
 554                 this.moduleFields = Collections.unmodifiableList(moduleFields);
 555                 this.methods = Collections.unmodifiableList(methods);
 556             }
 557         }
 558
 559         private final Holder holder;
 560
 561
 562         private AbstractModuleAttributesProcessor(Map<String, AttributeIfc> attributes) {
 563             this.holder = processAttributes(attributes);
 564         }
 565
 566         private static Holder processAttributes(Map<String, AttributeIfc> attributes) {
 567             List<ModuleField> moduleFields = new ArrayList<>();
 568             List<MethodDefinition> methods = new ArrayList<>();
 569             for (Entry<String, AttributeIfc> attrEntry : attributes.entrySet()) {
 570                 String type, nullableDefaultWrapped = null;
 571                 AttributeIfc attributeIfc = attrEntry.getValue();
 572                 boolean isIdentity = false;
 573                 boolean needsDepResolver = needsDepResolver(attrEntry.getValue());
 574
 575                 if (attributeIfc instanceof TypedAttribute) {
 576                     TypedAttribute typedAttribute = (TypedAttribute) attributeIfc;
 577                     type = serializeType(typedAttribute.getType());
 578                     if (attributeIfc instanceof JavaAttribute) {
 579                         nullableDefaultWrapped = ((JavaAttribute) attributeIfc).getNullableDefaultWrappedForCode();
 580                         if(((JavaAttribute)attrEntry.getValue()).isIdentityRef()) {
 581                             isIdentity = true;
 582                             type = serializeType(typedAttribute.getType(), true);
 583                         }
 584                     }
 585                 } else {
 586                     throw new UnsupportedOperationException(
 587                             "Attribute not supported: "
 588                                     + attributeIfc.getClass());
 589                 }
 590
 591                 boolean isDependency = false;
 592                 boolean isListOfDependencies = false;
 593                 Dependency dependency = null;
 594                 Annotation overrideAnnotation = new Annotation("Override",
 595                         Collections.<Parameter> emptyList());
 596                 List<Annotation> annotations = Lists
 597                         .newArrayList(overrideAnnotation);
 598
 599                 if (attributeIfc instanceof AbstractDependencyAttribute) {
 600                     isDependency = true;
 601                     dependency = ((AbstractDependencyAttribute) attributeIfc)
 602                             .getDependency();
 603                     annotations.add(Annotation
 604                             .createRequireIfcAnnotation(dependency.getSie()));
 605                     if (attributeIfc instanceof ListDependenciesAttribute) {
 606                         isListOfDependencies = true;
 607                     }
 608                 }
 609
 610                 String varName = BindingGeneratorUtil
 611                         .parseToValidParamName(attrEntry.getKey());
 612
 613                 ModuleField field;
 614                 if (isIdentity) {
 615                     String identityBaseClass = getInnerTypeFromIdentity(((TypedAttribute) attributeIfc).getType());
 616                     IdentityRefModuleField identityField = new IdentityRefModuleField(type, varName,
 617                             attributeIfc.getUpperCaseCammelCase(), identityBaseClass);
 618
 619                     String getterName = "get"
 620                             + attributeIfc.getUpperCaseCammelCase() + "Identity";
 621                     MethodDefinition additionalGetter = new MethodDefinition(type, getterName, Collections.<Field> emptyList(),
 622                             Collections.<Annotation> emptyList(), "return " + identityField.getIdentityClassName()
 623                                     + ";");
 624                     methods.add(additionalGetter);
 625
 626                     String setterName = "set"
 627                             + attributeIfc.getUpperCaseCammelCase();
 628
 629                     String setterBody = "this." + identityField.getIdentityClassName() + " = " + identityField.getIdentityClassName() + ";";
 630                     MethodDefinition additionalSetter = new MethodDefinition("void",
 631                             setterName,
 632                             Lists.newArrayList(new Field(type, identityField.getIdentityClassName())),
 633                             Collections.<Annotation> emptyList(), setterBody);
 634                     additionalSetter.setJavadoc(attributeIfc.getNullableDescription());
 635
 636                     methods.add(additionalSetter);
 637
 638                     type = serializeType(identityRefType);
 639                     field = identityField;
 640                 } else {
 641                     field = new ModuleField(type, varName, attributeIfc.getUpperCaseCammelCase(),
 642                             nullableDefaultWrapped, isDependency, dependency, isListOfDependencies, needsDepResolver);
 643                 }
 644                 moduleFields.add(field);
 645
 646
 647                 String getterName = "get"
 648                         + attributeIfc.getUpperCaseCammelCase();
 649                 MethodDefinition getter = new MethodDefinition(type,
 650                         getterName, Collections.<Field> emptyList(),
 651                         Lists.newArrayList(overrideAnnotation), "return "
 652                         + varName + ";");
 653
 654                 methods.add(getter);
 655
 656                 String setterName = "set"
 657                         + attributeIfc.getUpperCaseCammelCase();
 658
 659                 if (attributeIfc.getNullableDescription() != null) {
 660                     annotations.add(Annotation
 661                             .createDescriptionAnnotation(attributeIfc.getNullableDescription()));
 662                 }
 663
 664                 String setterBody = "this." + varName + " = " + varName + ";";
 665                 if (isListOfDependencies) {
 666                     String nullCheck = String.format("if (%s == null) throw new IllegalArgumentException(\"Null not supported\");%n",
 667                             varName);
 668                     setterBody = nullCheck + setterBody;
 669                 }
 670                 MethodDefinition setter = new MethodDefinition("void",
 671                         setterName,
 672                         Lists.newArrayList(new Field(type, varName)),
 673                         annotations, setterBody);
 674                 setter.setJavadoc(attributeIfc.getNullableDescription());
 675
 676                 methods.add(setter);
 677             }
 678             return new Holder(moduleFields, methods);
 679         }
 680
 681         List<ModuleField> getModuleFields() {
 682             return holder.moduleFields;
 683         }
 684
 685         List<MethodDefinition> getMethods() {
 686             return holder.methods;
 687         }
 688
 689     }
 690
 691
 692     private static boolean needsDepResolver(AttributeIfc value) {
 693         if(value instanceof TOAttribute) {
 694             return true;
 695         }
 696         if(value instanceof ListAttribute) {
 697             AttributeIfc innerAttribute = ((ListAttribute) value).getInnerAttribute();
 698             return needsDepResolver(innerAttribute);
 699         }
 700
 701         return false;
 702     }
 703
 704     private static String getInnerTypeFromIdentity(Type type) {
 705         Preconditions.checkArgument(type instanceof ParameterizedType);
 706         Type[] args = ((ParameterizedType) type).getActualTypeArguments();
 707         Preconditions.checkArgument(args.length ==1);
 708         return serializeType(args[0]);
 709     }
 710 }