kafka.producer.BaseProducer.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.producer
import java.util.Properties
// A base producer used whenever we need to have options for both old and new producers;
// this class will be removed once we fully rolled out 0.9
@deprecated("This trait has been deprecated and will be removed in a future release. " +
"Please use org.apache.kafka.clients.producer.KafkaProducer instead.", "0.10.0.0")
trait BaseProducer {
def send(topic: String, key: Array[Byte], value: Array[Byte])
def close()
}
@deprecated("This class has been deprecated and will be removed in a future release. " +
"Please use org.apache.kafka.clients.producer.KafkaProducer instead.", "0.10.0.0")
class NewShinyProducer(producerProps: Properties) extends BaseProducer {
import org.apache.kafka.clients.producer.{KafkaProducer, ProducerRecord}
import org.apache.kafka.clients.producer.internals.ErrorLoggingCallback
// decide whether to send synchronously based on producer properties
val sync = producerProps.getProperty("producer.type", "async").equals("sync")
val producer = new KafkaProducer[Array[Byte],Array[Byte]](producerProps)
override def send(topic: String, key: Array[Byte], value: Array[Byte]) {
val record = new ProducerRecord[Array[Byte],Array[Byte]](topic, key, value)
if(sync) {
this.producer.send(record).get()
} else {
this.producer.send(record,
new ErrorLoggingCallback(topic, key, value, false))
}
}
override def close() {
this.producer.close()
}
}
@deprecated("This class has been deprecated and will be removed in a future release. " +
"Please use org.apache.kafka.clients.producer.KafkaProducer instead.", "0.10.0.0")
class OldProducer(producerProps: Properties) extends BaseProducer {
// default to byte array partitioner
if (producerProps.getProperty("partitioner.class") == null)
producerProps.setProperty("partitioner.class", classOf[kafka.producer.ByteArrayPartitioner].getName)
val producer = new kafka.producer.Producer[Array[Byte], Array[Byte]](new ProducerConfig(producerProps))
override def send(topic: String, key: Array[Byte], value: Array[Byte]) {
this.producer.send(new KeyedMessage[Array[Byte], Array[Byte]](topic, key, value))
}
override def close() {
this.producer.close()
}
}