hierarchy.graphqls

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

type HierarchyRelatedService {
    # The related service ID.
    id: ID!
    # The literal name of the #id.
    name: String!
    # The related service's Layer name.
    layer: String!
}

type HierarchyRelatedInstance {
    # The related instance ID.
    id: ID!
    # The literal name of the #id. Instance Name.
    name: String!
    # The related instance service's Layer name.
    # Service could have multiple layers, this is the layer of the service that the instance belongs to.
    layer: String!
}

type HierarchyServiceRelation {
    upperService: HierarchyRelatedService!
    lowerService: HierarchyRelatedService!
}

type HierarchyInstanceRelation {
    upperInstance: HierarchyRelatedInstance!
    lowerInstance: HierarchyRelatedInstance!
}

type ServiceHierarchy {
    relations: [HierarchyServiceRelation!]!
}

type InstanceHierarchy {
    relations: [HierarchyInstanceRelation!]!
}

type LayerLevel {
    # The layer name.
    layer: String!
    # The layer level.
    # The level of the upper service should greater than the level of the lower service.
    level: Int!
}

extend type Query {
    # Query the service hierarchy, based on the given service. Will recursively return all related layers services in the hierarchy.
    getServiceHierarchy(serviceId: ID!, layer: String!): ServiceHierarchy!
    # Query the instance hierarchy, based on the given instance. Will return all direct related layers instances in the hierarchy, no recursive.
    getInstanceHierarchy(instanceId: ID!, layer: String!): InstanceHierarchy!
    # List layer hierarchy levels. The layer levels are defined in the `hierarchy-definition.yml`.
    listLayerLevels: [LayerLevel!]!
}