KafkaConfiguration.java

/**
 * Copyright (C) 2014 Stratio (http://stratio.com)
 *
 * Licensed 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 com.stratio.decision.configuration;

import kafka.javaapi.producer.Producer;
import kafka.producer.ProducerConfig;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.Properties;

@Configuration
public class KafkaConfiguration {

    @Autowired
    private ConfigurationContext configurationContext;

    @Bean
    public Producer<String, String> producer() {
        Properties properties = new Properties();

        properties.put("serializer.class", "kafka.serializer.StringEncoder");
        properties.put("metadata.broker.list", configurationContext.getKafkaHostsQuorum());
        properties.put("producer.type", "async");

        return new Producer<String, String>(new ProducerConfig(properties));
    }

    @Bean
    public Producer<String, byte[]> avroProducer() {

        Properties properties = new Properties();

        properties.put("metadata.broker.list", configurationContext.getKafkaHostsQuorum());
        properties.put(org.apache.kafka.clients.producer.ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG,
    "org.apache.kafka.common.serialization.ByteArraySerializer");
        properties.put(org.apache.kafka.clients.producer.ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG,
    "org.apache.kafka.common.serialization.StringSerializer");

        return new Producer<String, byte[]>(new ProducerConfig(properties));
    }

}