storm-client/src/jvm/org/apache/storm/serialization/KryoValuesDeserializer.java

/**
 * 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.storm.serialization;

import com.esotericsoftware.kryo.Kryo;
import com.esotericsoftware.kryo.io.Input;
import java.util.List;
import java.util.Map;
import org.apache.storm.utils.ListDelegate;

public class KryoValuesDeserializer {
    Kryo kryo;
    Input kryoInput;

    public KryoValuesDeserializer(Map<String, Object> conf) {
        kryo = SerializationFactory.getKryo(conf);
        kryoInput = new Input(1);
    }

    public List<Object> deserializeFrom(Input input) {
        ListDelegate delegate = kryo.readObject(input, ListDelegate.class);
        return delegate.getDelegate();
    }

    public List<Object> deserialize(byte[] ser) {
        kryoInput.setBuffer(ser);
        return deserializeFrom(kryoInput);
    }

    public Object deserializeObject(byte[] ser) {
        kryoInput.setBuffer(ser);
        return kryo.readClassAndObject(kryoInput);
    }
}