kafka.common.MessageReader.scala Maven / Gradle / Ivy
/**
* 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 kafka.common
import java.io.InputStream
import java.util.Properties
import org.apache.kafka.clients.producer.ProducerRecord
/**
* Typical implementations of this interface convert data from an `InputStream` received via `init` into a
* `ProducerRecord` instance on each invocation of `readMessage`.
*
* This is used by the `ConsoleProducer`.
*/
trait MessageReader {
def init(inputStream: InputStream, props: Properties): Unit = {}
def readMessage(): ProducerRecord[Array[Byte], Array[Byte]]
def close(): Unit = {}
}