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/*
* 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);
}
}
}