| /* |
| * 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. |
| */ |
| package org.apache.tinkerpop.gremlin.structure.io.binary.types; |
| |
| import org.apache.tinkerpop.gremlin.structure.io.binary.DataType; |
| import org.apache.tinkerpop.gremlin.structure.io.binary.GraphBinaryReader; |
| import org.apache.tinkerpop.gremlin.structure.io.binary.GraphBinaryWriter; |
| import org.apache.tinkerpop.gremlin.process.traversal.util.DefaultTraversalMetrics; |
| import org.apache.tinkerpop.gremlin.process.traversal.util.MutableMetrics; |
| import org.apache.tinkerpop.gremlin.process.traversal.util.TraversalMetrics; |
| import org.apache.tinkerpop.gremlin.structure.io.Buffer; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.concurrent.TimeUnit; |
| |
| public class TraversalMetricsSerializer extends SimpleTypeSerializer<TraversalMetrics> { |
| private static final CollectionSerializer collectionSerializer = new CollectionSerializer(DataType.LIST); |
| |
| public TraversalMetricsSerializer() { |
| super(DataType.TRAVERSALMETRICS); |
| } |
| |
| @Override |
| protected TraversalMetrics readValue(Buffer buffer, GraphBinaryReader context) throws IOException { |
| Long durationNanos = context.readValue(buffer, Long.class, false); |
| final List<MutableMetrics> metrics = new ArrayList<>(collectionSerializer.readValue(buffer, context)); |
| return new DefaultTraversalMetrics(durationNanos, metrics); |
| } |
| |
| @Override |
| protected void writeValue(TraversalMetrics value, Buffer buffer, GraphBinaryWriter context) throws IOException { |
| context.writeValue(value.getDuration(TimeUnit.NANOSECONDS), buffer, false); |
| collectionSerializer.writeValue(value.getMetrics(), buffer, context); |
| } |
| } |