| /* |
| * Copyright 2015-present Open Networking Foundation |
| * |
| * Licensed 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. |
| */ |
| package org.onosproject.codec.impl; |
| |
| import org.onosproject.codec.CodecContext; |
| import org.onosproject.codec.JsonCodec; |
| import org.onosproject.net.topology.Topology; |
| |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Topology JSON codec. |
| */ |
| public final class TopologyCodec extends JsonCodec<Topology> { |
| |
| @Override |
| public ObjectNode encode(Topology topology, CodecContext context) { |
| checkNotNull(topology, "Topology cannot be null"); |
| |
| return context.mapper().createObjectNode() |
| .put("time", topology.time()) |
| .put("devices", topology.deviceCount()) |
| .put("links", topology.linkCount()) |
| .put("clusters", topology.clusterCount()); |
| } |
| } |