/*
* 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.spark.structure.io.gryo;
import org.apache.spark.serializer.DeserializationStream;
import org.apache.spark.serializer.SerializationStream;
import org.apache.spark.serializer.SerializerInstance;
import org.apache.tinkerpop.gremlin.structure.io.gryo.GryoPool;
import org.apache.tinkerpop.shaded.kryo.io.Input;
import org.apache.tinkerpop.shaded.kryo.io.Output;
import scala.reflect.ClassTag;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.ByteBuffer;
/**
* @author Marko A. Rodriguez (http://markorodriguez.com)
*/
public final class GryoSerializerInstance extends SerializerInstance {
private final GryoSerializer gryoSerializer;
private final Output output;
private final Input input;
public GryoSerializerInstance(final GryoSerializer gryoSerializer) {
this.gryoSerializer = gryoSerializer;
this.input = new Input();
this.output = gryoSerializer.newOutput();
}
@Override
public <T> ByteBuffer serialize(final T t, final ClassTag<T> classTag) {
this.gryoSerializer.getGryoPool().writeWithKryo(kryo -> kryo.writeClassAndObject(this.output, t));
return ByteBuffer.wrap(this.output.getBuffer());
}
@Override
public <T> T deserialize(final ByteBuffer byteBuffer, final ClassTag<T> classTag) {
this.input.setBuffer(byteBuffer.array());
return this.gryoSerializer.getGryoPool().readWithKryo(kryo -> (T) kryo.readClassAndObject(this.input));
}
@Override
public <T> T deserialize(final ByteBuffer byteBuffer, final ClassLoader classLoader, final ClassTag<T> classTag) {
this.input.setBuffer(byteBuffer.array());
return this.gryoSerializer.getGryoPool().readWithKryo(kryo -> {
kryo.setClassLoader(classLoader);
return (T) kryo.readClassAndObject(this.input);
});
}
@Override
public SerializationStream serializeStream(final OutputStream outputStream) {
return new GryoSerializationStream(this, outputStream);
}
@Override
public DeserializationStream deserializeStream(final InputStream inputStream) {
return new GryoDeserializationStream(this, inputStream);
}
public GryoPool getGryoPool() {
return this.gryoSerializer.getGryoPool();
}
}