com.knewton.mapreduce.util.SerializationUtils.java Source code

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Here is the source code for com.knewton.mapreduce.util.SerializationUtils.java

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/**
 * Copyright 2013, 2014, 2015 Knewton
 *
 * 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 com.knewton.mapreduce.util;

import com.knewton.mapreduce.constant.PropertyConstants;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.util.ReflectionUtils;
import org.apache.thrift.TDeserializer;
import org.apache.thrift.protocol.TCompactProtocol;
import org.apache.thrift.protocol.TCompactProtocol.Factory;
import org.apache.thrift.protocol.TProtocolFactory;

public class SerializationUtils {

    public static final Class<Factory> SERIALIZATION_FACTORY_PARAMETER_DEFAULT = TCompactProtocol.Factory.class;

    public static TDeserializer getDeserializerFromConf(Configuration conf) {
        Class<? extends TProtocolFactory> protocolFactoryClass = conf.getClass(
                PropertyConstants.SERIALIZATION_FACTORY_PARAMETER.txt, SERIALIZATION_FACTORY_PARAMETER_DEFAULT,
                TProtocolFactory.class);
        TProtocolFactory protocolFactory = ReflectionUtils.newInstance(protocolFactoryClass, conf);
        return new TDeserializer(protocolFactory);
    }

}