/*
* Copyright 2012-2014 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.boot.autoconfigure.batch;
import javax.annotation.PostConstruct;
import javax.sql.DataSource;
import org.springframework.batch.support.DatabaseType;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.io.ResourceLoader;
import org.springframework.jdbc.datasource.init.DatabasePopulatorUtils;
import org.springframework.jdbc.datasource.init.ResourceDatabasePopulator;
import org.springframework.jdbc.support.MetaDataAccessException;
import org.springframework.stereotype.Component;
/**
* Initialize the Spring Batch schema (ignoring errors, so should be idempotent).
*
* @author Dave Syer
*/
@Component
public class BatchDatabaseInitializer {
@Autowired
private BatchProperties properties;
@Autowired
private DataSource dataSource;
@Autowired
private ResourceLoader resourceLoader;
@PostConstruct
protected void initialize() {
if (this.properties.getInitializer().isEnabled()) {
String platform = getDatabaseType();
if ("hsql".equals(platform)) {
platform = "hsqldb";
}
if ("postgres".equals(platform)) {
platform = "postgresql";
}
if ("oracle".equals(platform)) {
platform = "oracle10g";
}
ResourceDatabasePopulator populator = new ResourceDatabasePopulator();
String schemaLocation = this.properties.getSchema();
schemaLocation = schemaLocation.replace("@@platform@@", platform);
populator.addScript(this.resourceLoader.getResource(schemaLocation));
populator.setContinueOnError(true);
DatabasePopulatorUtils.execute(populator, this.dataSource);
}
}
private String getDatabaseType() {
try {
return DatabaseType.fromMetaData(this.dataSource).toString().toLowerCase();
}
catch (MetaDataAccessException ex) {
throw new IllegalStateException("Unable to detect database type", ex);
}
}
}