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/**
 * Copyright 2017 Zaradai
 * 
 * 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.zaradai.gluon.kafka;

import org.apache.kafka.clients.CommonClientConfigs;
import org.apache.kafka.clients.producer.ProducerConfig;

import java.util.Properties;

public class KafkaProducerConfig {
    static final String DEFAULT_KEY_SERIALIZER = org.apache.kafka.common.serialization.StringSerializer.class.getName();
    static final String DEFAULT_VALUE_SERIALIZER = org.apache.kafka.common.serialization.ByteArraySerializer.class.getName();
    static final String DEFAULT_ACKS = "1";
    static final int DEFAULT_RETRIES = 0;
    static final int DEFAULT_BATCH_SIZE = 8196;
    static final long DEFAULT_LINGER = 1;
    static final long DEFAULT_BUFFER_MEMORY = 67108864;
    static final int DEFAULT_MAX_REQUEST_SIZE = 1024 * 1024;
    static final int DEFAULT_REQUEST_TIMEOUT = 60 * 1000;


    private String servers;
    private String keySerializer;
    private String valueSerializer;
    private String acks;
    private int retries;
    private int batchSize;
    private long linger;
    private long bufferMemory;
    private int maxMessageSize;

    public KafkaProducerConfig() {
        this(KafkaConfig.DEFAULT_SERVERS);
    }

    public KafkaProducerConfig(String servers) {
        setServers(servers).setAcks(DEFAULT_ACKS).setRetries(DEFAULT_RETRIES).setBatchSize(DEFAULT_BATCH_SIZE).setLinger(DEFAULT_LINGER)
        .setBufferMemory(DEFAULT_BUFFER_MEMORY).setKeySerializer(DEFAULT_KEY_SERIALIZER).setValueSerializer(DEFAULT_VALUE_SERIALIZER)
        .setMaxMessageSize(DEFAULT_MAX_REQUEST_SIZE);
    }

    public String getServers() {
        return servers;
    }

    public KafkaProducerConfig setServers(String servers) {
        this.servers = servers;
        return this;
    }

    public String getKeySerializer() {
        return keySerializer;
    }

    public KafkaProducerConfig setKeySerializer(String keySerializer) {
        this.keySerializer = keySerializer;
        return this;
    }

    public String getValueSerializer() {
        return valueSerializer;
    }

    public KafkaProducerConfig setValueSerializer(String valueSerializer) {
        this.valueSerializer = valueSerializer;
        return this;
    }

    public String getAcks() {
        return acks;
    }

    public KafkaProducerConfig setAcks(String acks) {
        this.acks = acks;
        return this;
    }

    public int getRetries() {
        return retries;
    }

    public KafkaProducerConfig setRetries(int retries) {
        this.retries = retries;
        return this;
    }

    public int getBatchSize() {
        return batchSize;
    }

    public KafkaProducerConfig setBatchSize(int batchSize) {
        this.batchSize = batchSize;
        return this;
    }

    public long getLinger() {
        return linger;
    }

    public KafkaProducerConfig setLinger(long linger) {
        this.linger = linger;
        return this;
    }

    public long getBufferMemory() {
        return bufferMemory;
    }

    public KafkaProducerConfig setBufferMemory(long bufferMemory) {
        this.bufferMemory = bufferMemory;
        return this;
    }

    public int getMaxMessageSize() {
        return maxMessageSize;
    }

    public KafkaProducerConfig setMaxMessageSize(int maxMessageSize) {
        this.maxMessageSize = maxMessageSize;
        return this;
    }

    public Properties getProperties() {
        Properties properties = new Properties();

        properties.put(CommonClientConfigs.BOOTSTRAP_SERVERS_CONFIG, getServers());
        properties.put(ProducerConfig.ACKS_CONFIG, getAcks());
        properties.put(ProducerConfig.RETRIES_CONFIG, getRetries());
        properties.put(ProducerConfig.BATCH_SIZE_CONFIG, getBatchSize());
        properties.put(ProducerConfig.LINGER_MS_CONFIG, getLinger());
        properties.put(ProducerConfig.BUFFER_MEMORY_CONFIG, getBufferMemory());
        properties.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, getKeySerializer());
        properties.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, getValueSerializer());
        properties.put(ProducerConfig.MAX_REQUEST_SIZE_CONFIG, getMaxMessageSize());
        properties.put(ProducerConfig.REQUEST_TIMEOUT_MS_CONFIG, DEFAULT_REQUEST_TIMEOUT);

        return properties;
    }
}