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/*
 * Copyright Debezium Authors.
 *
 * Licensed under the Apache Software License version 2.0, available at http://www.apache.org/licenses/LICENSE-2.0
 */
package io.debezium.connector.sqlserver;

import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.kafka.common.config.ConfigDef;
import org.apache.kafka.connect.connector.Task;
import org.apache.kafka.connect.source.SourceConnector;

/**
 * The main connector class used to instantiate configuration and execution classes
 *
 * @author Jiri Pechanec
 *
 */
public class SqlServerConnector extends SourceConnector {

    private Map properties;

    @Override
    public String version() {
        return Module.version();
    }

    @Override
    public void start(Map props) {
        this.properties = Collections.unmodifiableMap(new HashMap<>(props));
    }

    @Override
    public Class taskClass() {
        return SqlServerConnectorTask.class;
    }

    @Override
    public List> taskConfigs(int maxTasks) {
        if (maxTasks > 1) {
            throw new IllegalArgumentException("Only a single connector task may be started");
        }

        return Collections.singletonList(properties);
    }

    @Override
    public void stop() {
    }

    @Override
    public ConfigDef config() {
        return SqlServerConnectorConfig.configDef();
    }
}