001package ca.uhn.fhir.jpa.migrate;
002
003/*-
004 * #%L
005 * HAPI FHIR Server - SQL Migration
006 * %%
007 * Copyright (C) 2014 - 2022 Smile CDR, Inc.
008 * %%
009 * Licensed under the Apache License, Version 2.0 (the "License");
010 * you may not use this file except in compliance with the License.
011 * You may obtain a copy of the License at
012 *
013 *      http://www.apache.org/licenses/LICENSE-2.0
014 *
015 * Unless required by applicable law or agreed to in writing, software
016 * distributed under the License is distributed on an "AS IS" BASIS,
017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
018 * See the License for the specific language governing permissions and
019 * limitations under the License.
020 * #L%
021 */
022
023import ca.uhn.fhir.jpa.migrate.taskdef.BaseTask;
024import ca.uhn.fhir.rest.server.exceptions.InternalErrorException;
025import org.flywaydb.core.api.MigrationInfoService;
026import org.slf4j.Logger;
027import org.slf4j.LoggerFactory;
028
029import java.sql.SQLException;
030import java.util.ArrayList;
031import java.util.List;
032import java.util.Optional;
033
034/**
035 * This class is an alternative to {@link FlywayMigrator). It doesn't use Flyway, but instead just
036 * executes all tasks.
037 */
038public class TaskOnlyMigrator extends BaseMigrator {
039
040        private static final Logger ourLog = LoggerFactory.getLogger(TaskOnlyMigrator.class);
041        private List<BaseTask> myTasks = new ArrayList<>();
042
043        @Override
044        public void migrate() {
045                DriverTypeEnum.ConnectionProperties connectionProperties = getDriverType().newConnectionProperties(getDataSource());
046
047                for (BaseTask next : myTasks) {
048                        next.setDriverType(getDriverType());
049                        next.setDryRun(isDryRun());
050                        next.setNoColumnShrink(isNoColumnShrink());
051                        next.setConnectionProperties(connectionProperties);
052
053                        try {
054                                if (isDryRun()) {
055                                        ourLog.info("Dry run {} {}", next.getFlywayVersion(), next.getDescription());
056                                } else {
057                                        ourLog.info("Executing {} {}", next.getFlywayVersion(), next.getDescription());
058                                }
059                                next.execute();
060                                addExecutedStatements(next.getExecutedStatements());
061                        } catch (SQLException e) {
062                                throw new InternalErrorException(e);
063                        }
064                }
065                if (isDryRun()) {
066                        StringBuilder statementBuilder = buildExecutedStatementsString();
067                        ourLog.info("SQL that would be executed:\n\n***********************************\n{}***********************************", statementBuilder);
068                }
069        }
070
071        @Override
072        public Optional<MigrationInfoService> getMigrationInfo() {
073                return Optional.empty();
074        }
075
076        @Override
077        public void addTasks(List<BaseTask> theMigrationTasks) {
078                myTasks.addAll(theMigrationTasks);
079        }
080}