Java tutorial
/* * 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); } }