core/store/serializers/src/main/java/org/onosproject/store/serializers/ArraysAsListSerializer.java

/*
 * Copyright 2014 Open Networking Laboratory
 *
 * 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.onlab.onos.store.serializers;

import java.util.ArrayList;
import java.util.List;

import com.esotericsoftware.kryo.Kryo;
import com.esotericsoftware.kryo.Serializer;
import com.esotericsoftware.kryo.io.Input;
import com.esotericsoftware.kryo.io.Output;

/**
 * Kryo Serializer for {@link java.util.Arrays#asList(Object...)}.
 */
public final class ArraysAsListSerializer extends Serializer<List<?>> {

    @Override
    public void write(Kryo kryo, Output output, List<?> object) {
        output.writeInt(object.size(), true);
        for (Object elm : object) {
            kryo.writeClassAndObject(output, elm);
        }
    }

    @Override
    public List<?> read(Kryo kryo, Input input, Class<List<?>> type) {
        final int size = input.readInt(true);
        List<Object> list = new ArrayList<>(size);
        for (int i = 0; i < size; ++i) {
            list.add(kryo.readClassAndObject(input));
        }
        return list;
    }
}