Пример #1
0
  /**
   * Generates views based on annotations found in a repository class. If the repository class
   * extends org.ektorp.support.CouchDbRepositorySupport its handled type will also examined for
   * annotations eligible for view generation.
   *
   * @param repository
   * @return a Map with generated views.
   */
  public Map<String, DesignDocument.View> generateViews(final Object repository) {
    final Map<String, DesignDocument.View> views = new HashMap<String, DesignDocument.View>();
    final Class<?> repositoryClass = repository.getClass();

    final Class<?> handledType =
        repository instanceof CouchDbRepositorySupport<?>
            ? ((CouchDbRepositorySupport<?>) repository).getHandledType()
            : null;

    createDeclaredViews(views, repositoryClass);

    eachMethod(
        repositoryClass,
        new Predicate<Method>() {
          public boolean apply(Method input) {
            if (hasAnnotation(input, GenerateView.class)) {
              generateView(views, input, handledType);
            }
            return false;
          }
        });

    if (handledType != null) {
      views.putAll(generateViewsFromPersistentType(handledType));
    }
    return views;
  }
Пример #2
0
  private void generateView(
      Map<String, DesignDocument.View> views, Method me, Class<?> handledType) {
    String name = me.getName();
    if (!name.startsWith("findBy") && !name.equals("getAll")) {
      throw new ViewGenerationException(
          String.format(
              "The method: %s in %s annotated with GenerateView does not conform to the naming convention of 'findByXxxx'",
              name, me.getDeclaringClass()));
    }

    Class<?> type = resolveReturnType(me);
    if (type == null) {
      if (handledType != null) {
        type = handledType;
      } else {
        throw new ViewGenerationException(
            "Could not resolve return type for method: %s in %s",
            me.getName(), me.getDeclaringClass());
      }
    }

    String typeDiscriminator = resolveTypeDiscriminator(type);

    if (name.equals("getAll")) {
      if (typeDiscriminator.length() < 1) {
        throw new ViewGenerationException(
            String.format(
                "Cannot generate 'all' view for %s. No type discriminator could be resolved. Try annotate unique field(s) with @TypeDiscriminator",
                type.getDeclaringClass()));
      }
      views.put("all", generateAllView(typeDiscriminator));
      return;
    }

    String finderName = name.substring(6);
    String fieldName = resolveFieldName(me, finderName);
    Method getter = findMethod(type, "get" + fieldName);
    if (getter == null) {
      // try pluralis
      fieldName += "s";
      getter = findMethod(type, "get" + fieldName);
    }
    if (getter == null) {
      throw new ViewGenerationException(
          "Could not generate view for method %s. No get method found for property %s in %s",
          name, name.substring(6), type);
    }

    fieldName = firstCharToLowerCase(fieldName);

    DesignDocument.View view;
    if (isIterable(getter.getReturnType())) {
      view = generateFindByIterableView(fieldName, typeDiscriminator);
    } else {
      view = generateFindByView(fieldName, typeDiscriminator);
    }

    views.put("by_" + firstCharToLowerCase(finderName), view);
  }
Пример #3
0
 private void addView(
     Map<String, DesignDocument.View> views, View input, Class<?> repositoryClass) {
   if (input.file().length() > 0) {
     views.put(input.name(), loadViewFromFile(views, input, repositoryClass));
   } else {
     views.put(input.name(), DesignDocument.View.of(input));
   }
 }
Пример #4
0
  private void generateSetBasedDocRefView(
      Map<String, org.ektorp.support.DesignDocument.View> views,
      Member me,
      DocumentReferences referenceMetaData) {
    String fieldName = firstCharToLowerCase(me.getName());
    String orderBy = referenceMetaData.orderBy();
    String backRef = referenceMetaData.backReference();
    if (backRef.length() == 0) {
      throw new ViewGenerationException(
          String.format(
              "The DocumentReferences annotation in %s must specify a backReference",
              me.getDeclaringClass()));
    }
    String viewName = NameConventions.backReferenceViewName(fieldName);
    String typeDiscriminator = resolveTypeDiscriminatorForBackReference(me);
    if (orderBy.length() > 0) {

      views.put(
          viewName,
          generateDocRefsAsSetWithOrderByView(backRef, fieldName, orderBy, typeDiscriminator));
    } else {
      views.put(viewName, generateDocRefsAsSetView(backRef, fieldName, typeDiscriminator));
    }
  }