hu.icellmobilsoft.coffee.module.redisstream.consumer.AbstractStreamPipeConsumer Maven / Gradle / Ivy
/*-
* #%L
* Coffee
* %%
* Copyright (C) 2020 - 2021 i-Cell Mobilsoft Zrt.
* %%
* 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.
* #L%
*/
package hu.icellmobilsoft.coffee.module.redisstream.consumer;
import java.util.Collections;
import java.util.Map;
import hu.icellmobilsoft.coffee.dto.exception.BaseException;
import hu.icellmobilsoft.coffee.module.redisstream.config.IRedisStreamConstant;
import hu.icellmobilsoft.coffee.se.logging.mdc.MDC;
import redis.clients.jedis.StreamEntry;
/**
* Default Redis stream consumer for PIPE consumer
*
* @author imre.scheffer
* @since 1.5.0
*/
public abstract class AbstractStreamPipeConsumer extends BaseStreamConsumer implements IRedisStreamPipeConsumer {
/**
* {@inheritDoc}
*
*
* Input is full Redis Stream message
*/
@Override
public Map onStream(StreamEntry streamEntry) throws BaseException {
handleMDC(streamEntry);
if (customize(streamEntry)) {
return Collections.emptyMap();
}
String mainData = streamEntry.getFields().get(IRedisStreamConstant.Common.DATA_KEY_MESSAGE);
return doWork(mainData);
}
/**
* Default imlepmenting menthod, contains only business logic
*
* @param text
* stream data content, {@value IRedisStreamConstant.Common#DATA_KEY_MESSAGE} key value, which can be string or json
* @return result data which can be used after the request scope destroying, used in {@code IRedisStreamPipeConsumer#afterAck(StreamEntry, Map)}
* @throws BaseException
* technical error on processing
*/
public abstract Map doWork(String text) throws BaseException;
}