/*
* 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.xd.dirt.batch;
import javax.annotation.PostConstruct;
import javax.sql.DataSource;
import org.springframework.batch.core.configuration.annotation.BatchConfigurer;
import org.springframework.batch.core.configuration.annotation.DefaultBatchConfigurer;
import org.springframework.batch.core.explore.JobExplorer;
import org.springframework.batch.core.explore.support.JobExplorerFactoryBean;
import org.springframework.batch.core.launch.JobLauncher;
import org.springframework.batch.core.launch.support.SimpleJobLauncher;
import org.springframework.batch.core.repository.JobRepository;
import org.springframework.batch.core.repository.dao.AbstractJdbcBatchMetadataDao;
import org.springframework.batch.core.repository.support.JobRepositoryFactoryBean;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.stereotype.Component;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.util.Assert;
/**
* Spring XD runtime specific {@link BatchConfigurer}.
* Allows {@link JobRepositoryFactory} settings configurable via configuration properties.
*
* Basically a modified copy of {@link DefaultBatchConfigurer}
*
* @author sshcherbakov
*/
@Component
public class RuntimeBatchConfigurer implements BatchConfigurer {
private DataSource dataSource;
private PlatformTransactionManager transactionManager;
private JobRepository jobRepository;
private JobLauncher jobLauncher;
private JobExplorer jobExplorer;
private String isolationLevel = DEFAULT_ISOLATION_LEVEL;
private Integer clobType = null;
private String dbType = null;
private int maxVarCharLength = AbstractJdbcBatchMetadataDao.DEFAULT_EXIT_MESSAGE_LENGTH;
private String tablePrefix = AbstractJdbcBatchMetadataDao.DEFAULT_TABLE_PREFIX;
private boolean validateTransactionState = true;
public static final String DEFAULT_ISOLATION_LEVEL = "ISOLATION_SERIALIZABLE";
@Autowired(required = true)
public void setDataSource(DataSource dataSource) {
this.dataSource = dataSource;
this.transactionManager = new DataSourceTransactionManager(dataSource);
}
protected RuntimeBatchConfigurer() {
}
public RuntimeBatchConfigurer(DataSource dataSource) {
setDataSource(dataSource);
}
@Override
public JobRepository getJobRepository() {
return jobRepository;
}
@Override
public PlatformTransactionManager getTransactionManager() {
return transactionManager;
}
@Override
public JobLauncher getJobLauncher() {
return jobLauncher;
}
@Override
public JobExplorer getJobExplorer() {
return jobExplorer;
}
@PostConstruct
public void initialize() {
Assert.notNull(dataSource, "No dataSource was provided for Batch runtime configuration");
try {
this.jobRepository = createJobRepository();
this.jobExplorer = createJobExplorer();
this.jobLauncher = createJobLauncher();
}
catch (Exception ex) {
throw new IllegalStateException("Unable to initialize Spring Batch", ex);
}
}
private JobExplorer createJobExplorer() throws Exception {
JobExplorerFactoryBean jobExplorerFactoryBean = new JobExplorerFactoryBean();
jobExplorerFactoryBean.setDataSource(this.dataSource);
jobExplorerFactoryBean.afterPropertiesSet();
return jobExplorerFactoryBean.getObject();
}
private JobLauncher createJobLauncher() throws Exception {
SimpleJobLauncher jobLauncher = new SimpleJobLauncher();
jobLauncher.setJobRepository(jobRepository);
jobLauncher.afterPropertiesSet();
return jobLauncher;
}
protected JobRepository createJobRepository() throws Exception {
JobRepositoryFactoryBean factory = createJobRepositoryFactoryBean();
factory.setDataSource(dataSource);
if (dbType != null) {
factory.setDatabaseType(dbType);
}
if (clobType != null) {
factory.setClobType(clobType);
}
factory.setTransactionManager(transactionManager);
factory.setIsolationLevelForCreate(isolationLevel);
factory.setMaxVarCharLength(maxVarCharLength);
factory.setTablePrefix(tablePrefix);
factory.setValidateTransactionState(validateTransactionState);
factory.afterPropertiesSet();
return factory.getObject();
}
JobRepositoryFactoryBean createJobRepositoryFactoryBean() {
return new JobRepositoryFactoryBean();
}
public void setIsolationLevel(String isolationLevel) {
this.isolationLevel = isolationLevel;
}
public void setClobType(Integer clobType) {
this.clobType = clobType;
}
public void setDbType(String dbType) {
this.dbType = dbType;
}
public void setMaxVarCharLength(int maxVarCharLength) {
this.maxVarCharLength = maxVarCharLength;
}
public void setTablePrefix(String tablePrefix) {
this.tablePrefix = tablePrefix;
}
public void setValidateTransactionState(boolean validateTransactionState) {
this.validateTransactionState = validateTransactionState;
}
}