| /* |
| * 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.gearpump.serializer |
| |
| import com.esotericsoftware.kryo.{Kryo, Serializer => KryoSerializer} |
| import com.typesafe.config.Config |
| import org.slf4j.Logger |
| import org.apache.gearpump.util.{Constants, LogUtil} |
| |
| class GearpumpSerialization(config: Config) { |
| |
| private val LOG: Logger = LogUtil.getLogger(getClass) |
| |
| def customize(kryo: Kryo): Unit = { |
| |
| val serializationMap = configToMap(config, Constants.GEARPUMP_SERIALIZERS) |
| |
| serializationMap.foreach { kv => |
| val (key, value) = kv |
| val keyClass = Class.forName(key) |
| |
| if (value == null || value.isEmpty) { |
| |
| // Use default serializer for this class type |
| kryo.register(keyClass) |
| } else { |
| val valueClass = Class.forName(value) |
| val register = kryo.register(keyClass, |
| valueClass.newInstance().asInstanceOf[KryoSerializer[_]]) |
| LOG.debug(s"Registering ${keyClass}, id: ${register.getId}") |
| } |
| } |
| kryo.setReferences(false) |
| |
| // Requires the user to register the class first before using |
| kryo.setRegistrationRequired(true) |
| } |
| |
| private final def configToMap(config: Config, path: String) = { |
| import scala.collection.JavaConverters._ |
| config.getConfig(path).root.unwrapped.asScala.toMap map { case (k, v) => k -> v.toString } |
| } |
| } |