org.janusgraph.graphdb.tinkerpop.io.binary.JanusGraphPBinarySerializer Maven / Gradle / Ivy
// Copyright 2020 JanusGraph Authors
//
// 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.janusgraph.graphdb.tinkerpop.io.binary;
import org.apache.tinkerpop.gremlin.structure.io.Buffer;
import org.apache.tinkerpop.gremlin.structure.io.binary.GraphBinaryReader;
import org.apache.tinkerpop.gremlin.structure.io.binary.GraphBinaryWriter;
import org.janusgraph.graphdb.tinkerpop.JanusGraphPSerializer;
import org.janusgraph.graphdb.tinkerpop.io.JanusGraphP;
import java.io.IOException;
public class JanusGraphPBinarySerializer extends JanusGraphTypeSerializer {
public JanusGraphPBinarySerializer() {
super(GraphBinaryType.JanusGraphP);
}
@Override
public JanusGraphP readNonNullableValue(Buffer buffer, GraphBinaryReader context) throws IOException {
String predicateName = context.readValue(buffer, String.class, false);
Object value = context.read(buffer);
return JanusGraphPSerializer.createPredicateWithValue(predicateName, value);
}
@Override
protected void writeNonNullableValue(JanusGraphP value, Buffer buffer, GraphBinaryWriter context) throws IOException {
String predicateName = value.getBiPredicate().toString();
context.writeValue(predicateName, buffer, false);
Object arg = value.getValue();
context.write(arg, buffer);
}
}