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/*
* Copyright 2015 Open Networking Laboratory
*
* 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());
}
}
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