Package com.buschmais.cdo.spi.metadata.type.RelationTypeMetadata

Examples of com.buschmais.cdo.spi.metadata.type.RelationTypeMetadata.Direction

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            Type genericType = propertyMethod.getGenericType();
            ParameterizedType type = (ParameterizedType) genericType;
            Class<?> typeArgument = (Class<?>) type.getActualTypeArguments()[0];
            AnnotatedType annotatedTypeArgument = new AnnotatedType(typeArgument);
            if (isEntityType(annotatedTypeArgument)) {
                Direction relationDirection = getRelationDirection(propertyMethod, Direction.FROM);
                com.buschmais.cdo.spi.reflection.AnnotatedElement<?> relationElement = getRelationDefinitionElement(propertyMethod);
                RelationTypeMetadata relationshipType = new RelationTypeMetadata<>(metadataFactory.createRelationMetadata(relationElement, metadataByType));
                methodMetadata = new EntityCollectionPropertyMethodMetadata<>(propertyMethod, relationshipType, relationDirection,
                        metadataFactory.createCollectionPropertyMetadata(propertyMethod));
            } else if (isRelationType(annotatedTypeArgument)) {
                TypeMetadata relationTypeMetadata = getOrCreateTypeMetadata(typeArgument);
                RelationTypeMetadata<RelationMetadata> relationMetadata = (RelationTypeMetadata) relationTypeMetadata;
                Direction relationDirection = getRelationDirection(annotatedType, propertyMethod, relationTypeMetadata, relationMetadata);
                methodMetadata = new RelationCollectionPropertyMethodMetadata<>(propertyMethod, relationMetadata, relationDirection,
                        metadataFactory.createCollectionPropertyMetadata(propertyMethod));
            } else {
                throw new CdoException("Unsupported type argument '" + typeArgument.getName() + "' for collection property: " + propertyType.getName());
            }
        } else if (annotatedMethods.containsKey(propertyType)) {
            AnnotatedType referencedType = new AnnotatedType(propertyType);
            Direction relationDirection;
            RelationTypeMetadata<RelationMetadata> relationMetadata;
            if (isEntityType(referencedType)) {
                relationDirection = getRelationDirection(propertyMethod, Direction.FROM);
                com.buschmais.cdo.spi.reflection.AnnotatedElement<?> relationElement = getRelationDefinitionElement(propertyMethod);
                relationMetadata = new RelationTypeMetadata<>(metadataFactory.createRelationMetadata(relationElement, metadataByType));
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        Annotation fromAnnotation = propertyMethod.getByMetaAnnotationOfProperty(FromDefinition.class);
        Annotation toAnnotation = propertyMethod.getByMetaAnnotationOfProperty(ToDefinition.class);
        if (fromAnnotation != null && toAnnotation != null) {
            throw new CdoException("The relation property '" + propertyMethod.getName() + "' must not specifiy both directions.'");
        }
        Direction direction = null;
        if (fromAnnotation != null) {
            direction = RelationTypeMetadata.Direction.FROM;
        }
        if (toAnnotation != null) {
            direction = RelationTypeMetadata.Direction.TO;
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        }
        return direction != null ? direction : defaultDirection;
    }

    private Direction getRelationDirection(AnnotatedType annotatedEntityType, PropertyMethod propertyMethod, TypeMetadata propertyTypeMetadata, RelationTypeMetadata<RelationMetadata> relationMetadata) {
        Direction relationDirection = getRelationDirection(propertyMethod, null);
        if (relationDirection == null) {
            Class<?> fromType = relationMetadata.getFromType();
            Class<?> toType = relationMetadata.getToType();
            if (fromType.equals(toType)) {
                throw new CdoException("Direction of property '" + propertyMethod.getAnnotatedElement().toGenericString() + "' is ambiguous and must be specified.");
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                        AbstractRelationPropertyMethodMetadata<RelationMetadata> propertyMethodMetadata = (AbstractRelationPropertyMethodMetadata<RelationMetadata>) methodMetadata;
                        AnnotatedType relationType = propertyMethodMetadata.getRelationshipMetadata().getAnnotatedType();
                        if (relationType != null) {
                            Class<?> entityType = entityTypeMetadata.getAnnotatedType().getAnnotatedElement();
                            RelationTypeMetadata<?> relationTypeMetadata = (RelationTypeMetadata<?>) metadataByType.get(relationType.getAnnotatedElement());
                            Direction direction = propertyMethodMetadata.getDirection();
                            relationProperties.put(new RelationPropertyKey(entityType, relationTypeMetadata, direction), propertyMethodMetadata);
                        }
                    }
                }
            }
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Related Classes of com.buschmais.cdo.spi.metadata.type.RelationTypeMetadata.Direction

  • com.buschmais.cdo.impl.metadata.MetadataProviderImpl
  • com.buschmais.cdo.impl.metadata.RelationTypeMetadataResolver
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