/**
* 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 com.pinterest.secor.parser;
import com.pinterest.secor.common.SecorConfig;
import com.pinterest.secor.message.Message;
import com.pinterest.secor.message.ParsedMessage;
// TODO(pawel): should we offer a multi-message parser capable of parsing multiple types of
// messages? E.g., it could be implemented as a composite trying out different parsers and using
// the one that works. What is the performance cost of such approach?
/**
* Message parser extracts partitions from messages.
*
* @author Pawel Garbacki (pawel@pinterest.com)
*/
public abstract class MessageParser {
protected SecorConfig mConfig;
public MessageParser(SecorConfig config) {
mConfig = config;
}
public ParsedMessage parse(Message message) throws Exception {
String[] partitions = extractPartitions(message);
return new ParsedMessage(message.getTopic(), message.getKafkaPartition(),
message.getOffset(), message.getPayload(), partitions);
}
public abstract String[] extractPartitions(Message payload) throws Exception;
}