/*
* 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.ngrinder.infra.init;
import liquibase.database.Database;
import liquibase.database.DatabaseFactory;
import liquibase.database.core.H2ExTypeConverter;
import liquibase.database.jvm.JdbcConnection;
import liquibase.database.typeconversion.TypeConverterFactory;
import liquibase.exception.LiquibaseException;
import liquibase.resource.ClassLoaderResourceAccessor;
import liquibase.sqlgenerator.SqlGeneratorFactory;
import liquibase.sqlgenerator.core.ModifyDataTypeGenerator;
import liquibase.sqlgenerator.core.RenameColumnGenerator;
import org.apache.commons.dbcp.BasicDataSource;
import org.ngrinder.infra.config.Config;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ResourceLoaderAware;
import org.springframework.context.annotation.DependsOn;
import org.springframework.core.io.ResourceLoader;
import org.springframework.stereotype.Service;
import javax.annotation.PostConstruct;
import static org.ngrinder.common.util.ExceptionUtils.processException;
/**
* DB Data Updater. This class is used to update DB automatically when System restarted through log
* file db.changelog.xml
*
* @author Matt
* @author JunHo Yoon
* @since 3.0
*/
@Service
@DependsOn("dataSource")
public class DatabaseUpdater implements ResourceLoaderAware {
@Autowired
private BasicDataSource dataSource;
private ResourceLoader resourceLoader;
private Database getDatabase() {
try {
return DatabaseFactory.getInstance().findCorrectDatabaseImplementation(
new JdbcConnection(dataSource.getConnection()));
} catch (Exception e) {
throw processException("Error getting database from " + dataSource.getUrl(), e);
}
}
public String getChangeLog() {
return "ngrinder_datachange_logfile/db.changelog.xml";
}
/**
* Automated updates DB after nGrinder has load with all bean properties.
*
* @throws Exception occurs when db update is failed.
*/
@PostConstruct
public void init() throws Exception {
SqlGeneratorFactory.getInstance().register(new LockExDatabaseChangeLogGenerator());
TypeConverterFactory.getInstance().register(H2ExTypeConverter.class);
LiquibaseEx liquibase = new LiquibaseEx(getChangeLog(), new ClassLoaderResourceAccessor(getResourceLoader()
.getClassLoader()), getDatabase());
// previous RenameColumnGenerator don't support Cubrid,so remove it and add new Generator
SqlGeneratorFactory.getInstance().unregister(RenameColumnGenerator.class);
SqlGeneratorFactory.getInstance().register(new RenameColumnExGenerator());
SqlGeneratorFactory.getInstance().unregister(ModifyDataTypeGenerator.class);
SqlGeneratorFactory.getInstance().register(new ModifyDataTypeExGenerator());
try {
liquibase.update(null);
} catch (LiquibaseException e) {
throw processException("Exception occurs while Liquibase update DB", e);
}
}
public ResourceLoader getResourceLoader() {
return resourceLoader;
}
public void setResourceLoader(ResourceLoader resourceLoader) {
this.resourceLoader = resourceLoader;
}
}