org.apache.giraph.writable.kryo.serializers.ImmutableMapSerializer.java Source code

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/*
 * 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.giraph.writable.kryo.serializers;

import com.esotericsoftware.kryo.Kryo;
import com.esotericsoftware.kryo.io.Input;
import com.esotericsoftware.kryo.serializers.MapSerializer;
import com.google.common.collect.ImmutableMap;

import java.util.HashMap;
import java.util.Map;

/**
 * Serializer for {@link ImmutableMap}
 */
public class ImmutableMapSerializer extends MapSerializer {
    @Override
    public Map read(Kryo kryo, Input input, Class<Map> type) {
        Map map = super.read(kryo, input, (Class<Map>) ((Object) HashMap.class));
        return ImmutableMap.copyOf(map);
    }
}