| /* |
| * 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.hadoop.structure.io; |
| |
| import org.apache.commons.configuration.Configuration; |
| import org.apache.tinkerpop.gremlin.structure.io.gryo.kryoshim.KryoShimService; |
| import org.apache.tinkerpop.shaded.kryo.Kryo; |
| import org.apache.tinkerpop.shaded.kryo.io.Input; |
| import org.apache.tinkerpop.shaded.kryo.io.Output; |
| |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| public class HadoopPoolShimService implements KryoShimService { |
| |
| public Object readClassAndObject(final InputStream source) { |
| |
| Kryo k = null; |
| |
| try { |
| k = HadoopPools.getGryoPool().takeKryo(); |
| |
| return k.readClassAndObject(new Input(source)); |
| } finally { |
| if (null != k) { |
| HadoopPools.getGryoPool().offerKryo(k); |
| } |
| } |
| } |
| |
| public void writeClassAndObject(final Object o, final OutputStream sink) { |
| |
| Kryo k = null; |
| |
| try { |
| k = HadoopPools.getGryoPool().takeKryo(); |
| |
| final Output output = new Output(sink); |
| |
| k.writeClassAndObject(output, o); |
| |
| output.flush(); |
| } finally { |
| if (null != k) { |
| HadoopPools.getGryoPool().offerKryo(k); |
| } |
| } |
| } |
| |
| @Override |
| public int getPriority() { |
| return 0; |
| } |
| |
| @Override |
| public void applyConfiguration(final Configuration conf) { |
| HadoopPools.initialize(conf); |
| } |
| } |