Examples with ComplexKeyResource com.linkedin.restli.server.resources.ComplexKeyResource used on opensource projects

Example 1 with ComplexKeyResource

use of com.linkedin.restli.server.resources.ComplexKeyResource in project rest.li by linkedin.

the class RestLiAnnotationReader method processCollection.

@SuppressWarnings("unchecked")
private static ResourceModel processCollection(final Class<? extends KeyValueResource<?, ?>> collectionResourceClass, ResourceModel parentResourceModel) {
    Class<?> keyClass;
    Class<? extends RecordTemplate> keyKeyClass = null;
    Class<? extends RecordTemplate> keyParamsClass = null;
    Class<? extends RecordTemplate> valueClass;
    Class<?> complexKeyResourceBase = null;
    // type V and the resource key type is ComplexResourceKey<K,P>
    if (ComplexKeyResource.class.isAssignableFrom(collectionResourceClass)) {
        complexKeyResourceBase = ComplexKeyResource.class;
    } else if (ComplexKeyResourceAsync.class.isAssignableFrom(collectionResourceClass)) {
        complexKeyResourceBase = ComplexKeyResourceAsync.class;
    } else if (ComplexKeyResourceTask.class.isAssignableFrom(collectionResourceClass)) {
        complexKeyResourceBase = ComplexKeyResourceTask.class;
    } else if (ComplexKeyResourcePromise.class.isAssignableFrom(collectionResourceClass)) {
        complexKeyResourceBase = ComplexKeyResourcePromise.class;
    }
    if (complexKeyResourceBase != null) {
        List<Class<?>> kvParams;
        if (complexKeyResourceBase.equals(ComplexKeyResource.class)) {
            kvParams = ReflectionUtils.getTypeArguments(ComplexKeyResource.class, (Class<? extends ComplexKeyResource<?, ?, ?>>) collectionResourceClass);
        } else if (complexKeyResourceBase.equals(ComplexKeyResourceAsync.class)) {
            kvParams = ReflectionUtils.getTypeArguments(ComplexKeyResourceAsync.class, (Class<? extends ComplexKeyResourceAsync<?, ?, ?>>) collectionResourceClass);
        } else if (complexKeyResourceBase.equals(ComplexKeyResourceTask.class)) {
            kvParams = ReflectionUtils.getTypeArguments(ComplexKeyResourceTask.class, (Class<? extends ComplexKeyResourceTask<?, ?, ?>>) collectionResourceClass);
        } else {
            kvParams = ReflectionUtils.getTypeArguments(ComplexKeyResourcePromise.class, (Class<? extends ComplexKeyResourcePromise<?, ?, ?>>) collectionResourceClass);
        }
        keyClass = ComplexResourceKey.class;
        keyKeyClass = kvParams.get(0).asSubclass(RecordTemplate.class);
        keyParamsClass = kvParams.get(1).asSubclass(RecordTemplate.class);
        valueClass = kvParams.get(2).asSubclass(RecordTemplate.class);
    } else // Otherwise, it's a KeyValueResource, whose parameters are resource key and resource
    // value
    {
        List<Type> actualTypeArguments = ReflectionUtils.getTypeArgumentsParametrized(KeyValueResource.class, collectionResourceClass);
        keyClass = ReflectionUtils.getClass(actualTypeArguments.get(0));
        if (RecordTemplate.class.isAssignableFrom(keyClass)) {
            // ComplexResourceKey
            throw new ResourceConfigException("Class '" + collectionResourceClass.getName() + "' should implement 'ComplexKeyResource' as a complex key '" + keyClass.getName() + "' is being used.");
        } else if (TyperefInfo.class.isAssignableFrom(keyClass)) {
            throw new ResourceConfigException("Typeref '" + keyClass.getName() + "' cannot be key type for class '" + collectionResourceClass.getName() + "'.");
        }
        if (keyClass.equals(ComplexResourceKey.class)) {
            @SuppressWarnings("unchecked") Type[] typeArguments = ((ParameterizedType) actualTypeArguments.get(0)).getActualTypeArguments();
            keyKeyClass = ReflectionUtils.getClass(typeArguments[0]).asSubclass(RecordTemplate.class);
            keyParamsClass = ReflectionUtils.getClass(typeArguments[1]).asSubclass(RecordTemplate.class);
        }
        valueClass = ReflectionUtils.getClass(actualTypeArguments.get(1)).asSubclass(RecordTemplate.class);
    }
    ResourceType resourceType = getResourceType(collectionResourceClass);
    RestLiAnnotationData annotationData;
    if (collectionResourceClass.isAnnotationPresent(RestLiCollection.class)) {
        annotationData = new RestLiAnnotationData(collectionResourceClass.getAnnotation(RestLiCollection.class));
    } else if (collectionResourceClass.isAnnotationPresent(RestLiAssociation.class)) {
        annotationData = new RestLiAnnotationData(collectionResourceClass.getAnnotation(RestLiAssociation.class));
    } else {
        throw new ResourceConfigException("No valid annotation on resource class '" + collectionResourceClass.getName() + "'");
    }
    String name = annotationData.name();
    String namespace = annotationData.namespace();
    String keyName;
    if (annotationData.keyName() == null) {
        keyName = name + "Id";
    } else {
        keyName = annotationData.keyName();
    }
    Key primaryKey = buildKey(name, keyName, keyClass, annotationData.typerefInfoClass());
    Set<Key> keys = new HashSet<Key>();
    if (annotationData.keys() == null) {
        keys.add(primaryKey);
    } else {
        keys.addAll(buildKeys(name, annotationData.keys()));
    }
    Class<?> parentResourceClass = annotationData.parent().equals(RestAnnotations.ROOT.class) ? null : annotationData.parent();
    ResourceModel collectionModel = new ResourceModel(primaryKey, keyKeyClass, keyParamsClass, keys, valueClass, collectionResourceClass, parentResourceClass, name, resourceType, namespace);
    collectionModel.setParentResourceModel(parentResourceModel);
    addResourceMethods(collectionResourceClass, collectionModel);
    log.info("Processed collection resource '" + collectionResourceClass.getName() + "'");
    return collectionModel;
}