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54 lines
1.4 KiB
Java
54 lines
1.4 KiB
Java
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/**
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* Copyright 2015 LinkedIn Corp. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*/
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package metadata.etl.kafka;
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import org.apache.avro.generic.GenericData;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import wherehows.common.schemas.Record;
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/**
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* Abstract class for Kafka consumer message processor.
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*
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*/
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public abstract class KafkaConsumerProcessor {
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protected static final Logger logger = LoggerFactory.getLogger(KafkaConsumerProcessor.class);
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/**
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* Abstract method 'process' to be implemented by specific processor
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* input Kafka record, process information and write to DB.
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* @param record
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* @param topic
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* @throws Exception
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*/
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public abstract Record process(GenericData.Record record, String topic) throws Exception;
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/**
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* Parse Integer value from a String, if null or exception, return 0
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* @param text String
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* @return int
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*/
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protected long parseLong(String text) {
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try {
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return Long.parseLong(text);
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} catch (NumberFormatException e) {
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return 0;
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}
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}
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}
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