/*
* Copyright (c) 2018, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* 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.
*/
package org.wso2.carbon.ei.migration;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.wso2.carbon.ei.migration.service.Migrator;
import org.wso2.carbon.ei.migration.util.Constant;

import java.util.List;

/**
 * MigrationClientImpl is the one that trigger by the relevant component trigger to start the migration service.
 */
public class MigrationClientImpl implements MigrationClient {

    private static final Log log = LogFactory.getLog(MigrationClientImpl.class);

    @Override
    public void execute() throws MigrationClientException {
        try {
            for (int i = 0; i < 5; i++) {
                log.info("...........................................................................................");
            }
            MigrationHolder migrationHolder = MigrationHolder.getInstance();
            List<Migrator> migrators = migrationHolder.getMigrationList();
            for (Migrator migrator : migrators) {
                migrator.migrate();
            }
            log.info(Constant.MIGRATION_LOG + "Execution was done.");
        } catch (Throwable e) {
            log.error("Migration process was stopped." + e.getMessage(), e);
        }
        for (int i = 0; i < 5; i++) {
            log.info("...........................................................................................");
        }
    }
}
