/*
* Copyright 2013-2014 the original author or authors.
*
* 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.springframework.xd.batch;
import javax.sql.DataSource;
import org.springframework.batch.support.DatabaseType;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.batch.BatchDatabaseInitializer;
import org.springframework.core.io.ResourceLoader;
import org.springframework.dao.DataAccessException;
import org.springframework.dao.DataRetrievalFailureException;
import org.springframework.jdbc.datasource.init.DatabasePopulatorUtils;
import org.springframework.jdbc.datasource.init.ResourceDatabasePopulator;
import org.springframework.jdbc.support.MetaDataAccessException;
/**
* A {@link BatchDatabaseInitializer} for XD batch datasource.
*
* @author Ilayaperumal Gopinathan
*/
public class XdBatchDatabaseInitializer extends BatchDatabaseInitializer {
private static final String REGISTRY_SCHEMA_LOCATION = "classpath:org/springframework/xd/batch/schema/registry-schema-@@platform@@.sql";
@Autowired
private DataSource dataSource;
@Autowired
private ResourceLoader resourceLoader;
@Value("${spring.batch.initializer.enabled:true}")
private boolean enabled = true;
@Override
protected void initialize() throws DataAccessException {
super.initialize();
if (enabled) {
String platform;
try {
platform = DatabaseType.fromMetaData(dataSource).toString().toLowerCase();
if ("hsql".equals(platform))
platform = "hsqldb";
if ("postgres".equals(platform))
platform = "postgresql";
ResourceDatabasePopulator populator = new ResourceDatabasePopulator();
populator.addScript(resourceLoader.getResource(REGISTRY_SCHEMA_LOCATION.replace("@@platform@@",
platform)));
populator.setContinueOnError(true);
DatabasePopulatorUtils.execute(populator, dataSource);
}
catch (MetaDataAccessException e) {
// @PostConstruct is not supposed to throw checked exceptions
throw new DataRetrievalFailureException("Could not retrieve ", e);
}
}
}
}