kafka Task 源码
kafka Task 代码
文件路径：/connect/api/src/main/java/org/apache/kafka/connect/connector/Task.java
/*
* 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 org.apache.kafka.connect.connector;
import java.util.Map;
/**
* <p>
* Tasks contain the code that actually copies data to/from another system. They receive
* a configuration from their parent Connector, assigning them a fraction of a Kafka Connect job's work.
* The Kafka Connect framework then pushes/pulls data from the Task. The Task must also be able to
* respond to reconfiguration requests.
* </p>
* <p>
* Task only contains the minimal shared functionality between
* {@link org.apache.kafka.connect.source.SourceTask} and
* {@link org.apache.kafka.connect.sink.SinkTask}.
* </p>
*/
public interface Task {
/**
* Get the version of this task. Usually this should be the same as the corresponding {@link Connector} class's version.
*
* @return the version, formatted as a String
*/
String version();
/**
* Start the Task
* @param props initial configuration
*/
void start(Map<String, String> props);
/**
* Stop this task.
*/
void stop();
}
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