com.huawei.flowcontrol.common.enums.KafkaProducerEnum Maven / Gradle / Ivy

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/*
 * Copyright (C) 2021-2022 Huawei Technologies Co., Ltd. All rights reserved.
 *
 * 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.huawei.flowcontrol.common.enums;

import com.huawei.flowcontrol.common.config.KafkaConst;

import org.apache.kafka.clients.producer.KafkaProducer;
import org.apache.kafka.common.KafkaException;

/**
 * kafka生产者枚举单例
 *
 * @author Zhang Hu
 * @since 2021-01-14
 */
public enum KafkaProducerEnum {
    /**
     * 流控kafka的生产者
     */
    KAFKA_PRODUCER;

    private KafkaProducer kafkaProducer;

    KafkaProducerEnum() {
        try {
            // 必须添加不然会加载不到KafkaProducer
            Thread.currentThread().setContextClassLoader(null);
            kafkaProducer = new KafkaProducer(KafkaConst.producerConfig());
        } catch (KafkaException ignored) {
            // ignored
        }
    }

    public KafkaProducer getKafkaProducer() {
        return KafkaProducerEnum.KAFKA_PRODUCER.kafkaProducer;
    }
}