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AbstractSerde.scala
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AbstractSerde.scala
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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.codefeedr.buffer.serialization
import org.apache.flink.api.common.serialization.{
AbstractDeserializationSchema,
SerializationSchema
}
import org.apache.flink.api.common.typeinfo.TypeInformation
import org.apache.flink.api.java.typeutils.TypeExtractor
import org.apache.flink.streaming.connectors.kafka.KafkaSerializationSchema
import scala.reflect.{ClassTag, classTag}
/** Abstract class for a SerDe.
*
* @tparam T Type of the SerDe.
*/
abstract class AbstractSerde[T <: Serializable: ClassTag](topic: String = "")
extends AbstractDeserializationSchema[T](
TypeExtractor.createTypeInfo(
classTag[T].runtimeClass.asInstanceOf[Class[T]]))
with SerializationSchema[T]
with KafkaSerializationSchema[T] {
// Get type of class
val inputClassType: Class[T] = classTag[T].runtimeClass.asInstanceOf[Class[T]]
/** Get type information of (de)serialized class.
*
* @return The typeinformation of the generic class.
*/
override def getProducedType: TypeInformation[T] = {
TypeExtractor.createTypeInfo(inputClassType)
}
}