| /* |
| * 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.step.util.Tree; |
| import org.apache.tinkerpop.gremlin.structure.io.Buffer; |
| |
| import java.io.IOException; |
| |
| public class TreeSerializer extends SimpleTypeSerializer<Tree> { |
| public TreeSerializer() { |
| super(DataType.TREE); |
| } |
| |
| @Override |
| protected Tree readValue(final Buffer buffer, final GraphBinaryReader context) throws IOException { |
| final int length = buffer.readInt(); |
| |
| final Tree result = new Tree(); |
| for (int i = 0; i < length; i++) { |
| result.put(context.read(buffer), context.readValue(buffer, Tree.class, false)); |
| } |
| |
| return result; |
| } |
| |
| @Override |
| protected void writeValue(final Tree value, final Buffer buffer, final GraphBinaryWriter context) throws IOException { |
| buffer.writeInt(value.size()); |
| |
| for (Object key : value.keySet()) { |
| context.write(key, buffer); |
| context.writeValue(value.get(key), buffer, false); |
| } |
| } |
| } |