rocketmq-connect-sample/src/main/java/org/apache/rocketmq/connect/file/FileSinkConnector.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.rocketmq.connect.file;

import io.openmessaging.KeyValue;
import io.openmessaging.connector.api.component.task.Task;
import io.openmessaging.connector.api.component.task.sink.SinkConnector;
import io.openmessaging.connector.api.errors.ConnectException;
import java.util.ArrayList;
import java.util.List;

public class FileSinkConnector extends SinkConnector {

    private KeyValue config;


    @Override public void validate(KeyValue config) {
        for (String requestKey : FileConfig.REQUEST_CONFIG) {
            if (!config.containsKey(requestKey)) {
                throw new ConnectException("Request config key: " + requestKey);
            }
        }
    }

    /**
     * Start the component
     *
     * @param config component context
     */
    @Override
    public void start(KeyValue config) {
        this.config = config;
    }

    @Override public void stop() {
        this.config = null;
    }


    @Override public Class<? extends Task> taskClass() {
        return FileSinkTask.class;
    }

    @Override public List<KeyValue> taskConfigs(int maxTasks) {
        List<KeyValue> config = new ArrayList<>();
        config.add(this.config);
        return config;
    }
}