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.sal.binding.model.api.ParameterizedType;
  52 import org.opendaylight.yangtools.sal.binding.model.api.Type;
  53 import org.opendaylight.yangtools.yang.binding.BindingMapping;
  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             final 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(final Type type, final 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(final Type type) {
 135         return serializeType(type, false);
 136     }
 137
 138     private static String getReturnType(final 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             final 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             final 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             final 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             final 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             final 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             final 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             final 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(final 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(final 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(final 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(final Type type, final Map<String, AttributeIfc> attrs) {
 364                 this(type.getFullyQualifiedName(), type.getName(), attrs, type.getPackageName());
 365             }
 366
 367             public TOInternal(final String fullyQualifiedName, final String name,
 368                     final Map<String, AttributeIfc> attrs, final 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(final Map<String, AttributeIfc> attrs, final 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 = BindingMapping.getPropertyName(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(final 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 = BindingMapping.getPropertyName(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(final Map<String, AttributeIfc> attributes,
 521                 final 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(final List<ModuleField> moduleFields, final 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(final Map<String, AttributeIfc> attributes) {
 561             this.holder = processAttributes(attributes);
 562         }
 563
 564         private static Holder processAttributes(final 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 = BindingMapping.getPropertyName(attrEntry.getKey());
 609
 610                 ModuleField field;
 611                 if (isIdentity) {
 612                     String identityBaseClass = getInnerTypeFromIdentity(((TypedAttribute) attributeIfc).getType());
 613                     IdentityRefModuleField identityField = new IdentityRefModuleField(type, varName,
 614                             attributeIfc.getUpperCaseCammelCase(), identityBaseClass);
 615
 616                     String getterName = "get"
 617                             + attributeIfc.getUpperCaseCammelCase() + "Identity";
 618                     MethodDefinition additionalGetter = new MethodDefinition(type, getterName, Collections.<Field> emptyList(),
 619                             Collections.<Annotation> emptyList(), "return " + identityField.getIdentityClassName()
 620                                     + ";");
 621                     methods.add(additionalGetter);
 622
 623                     String setterName = "set"
 624                             + attributeIfc.getUpperCaseCammelCase();
 625
 626                     String setterBody = "this." + identityField.getIdentityClassName() + " = " + identityField.getIdentityClassName() + ";";
 627                     MethodDefinition additionalSetter = new MethodDefinition("void",
 628                             setterName,
 629                             Lists.newArrayList(new Field(type, identityField.getIdentityClassName())),
 630                             Collections.<Annotation> emptyList(), setterBody);
 631                     additionalSetter.setJavadoc(attributeIfc.getNullableDescription());
 632
 633                     methods.add(additionalSetter);
 634
 635                     type = serializeType(identityRefType);
 636                     field = identityField;
 637                 } else {
 638                     field = new ModuleField(type, varName, attributeIfc.getUpperCaseCammelCase(),
 639                             nullableDefaultWrapped, isDependency, dependency, isListOfDependencies, needsDepResolver);
 640                 }
 641                 moduleFields.add(field);
 642
 643
 644                 String getterName = "get"
 645                         + attributeIfc.getUpperCaseCammelCase();
 646                 MethodDefinition getter = new MethodDefinition(type,
 647                         getterName, Collections.<Field> emptyList(),
 648                         Lists.newArrayList(overrideAnnotation), "return "
 649                         + varName + ";");
 650
 651                 methods.add(getter);
 652
 653                 String setterName = "set"
 654                         + attributeIfc.getUpperCaseCammelCase();
 655
 656                 if (attributeIfc.getNullableDescription() != null) {
 657                     annotations.add(Annotation
 658                             .createDescriptionAnnotation(attributeIfc.getNullableDescription()));
 659                 }
 660
 661                 String setterBody = "this." + varName + " = " + varName + ";";
 662                 if (isListOfDependencies) {
 663                     String nullCheck = String.format("if (%s == null) throw new IllegalArgumentException(\"Null not supported\");%n",
 664                             varName);
 665                     setterBody = nullCheck + setterBody;
 666                 }
 667                 MethodDefinition setter = new MethodDefinition("void",
 668                         setterName,
 669                         Lists.newArrayList(new Field(type, varName)),
 670                         annotations, setterBody);
 671                 setter.setJavadoc(attributeIfc.getNullableDescription());
 672
 673                 methods.add(setter);
 674             }
 675             return new Holder(moduleFields, methods);
 676         }
 677
 678         List<ModuleField> getModuleFields() {
 679             return holder.moduleFields;
 680         }
 681
 682         List<MethodDefinition> getMethods() {
 683             return holder.methods;
 684         }
 685
 686     }
 687
 688
 689     private static boolean needsDepResolver(final AttributeIfc value) {
 690         if(value instanceof TOAttribute) {
 691             return true;
 692         }
 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(final 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 }