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* Copyright 2015, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.wildfly.extension.batch.jberet.job.repository;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.RejectedExecutionException;
import javax.sql.DataSource;
import org.jberet.repository.JdbcRepository;
import org.jberet.repository.JobRepository;
import org.jboss.msc.inject.Injector;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;
import org.wildfly.extension.batch.jberet._private.BatchLogger;
/**
* A service which provides a JDBC job repository.
*
* @author <a href="mailto:jperkins@redhat.com">James R. Perkins</a>
*/
public class JdbcJobRepositoryService extends JobRepositoryService implements Service<JobRepository> {
private final InjectedValue<DataSource> dataSourceValue = new InjectedValue<>();
private final InjectedValue<ExecutorService> executor = new InjectedValue<>();
private volatile JdbcRepository jobRepository;
@Override
public void startJobRepository(final StartContext context) throws StartException {
final ExecutorService service = executor.getValue();
final Runnable task = () -> {
try {
// Currently in jBeret tables are created in the constructor which is why this is done asynchronously
jobRepository = new JdbcRepository(dataSourceValue.getValue());
context.complete();
} catch (Exception e) {
context.failed(BatchLogger.LOGGER.failedToCreateJobRepository(e, "JDBC"));
}
};
try {
service.execute(task);
} catch (RejectedExecutionException e) {
task.run();
} finally {
context.asynchronous();
}
}
@Override
public void stopJobRepository(final StopContext context) {
jobRepository = null;
}
@Override
protected JobRepository getDelegate() {
return jobRepository;
}
protected InjectedValue<DataSource> getDataSourceInjector() {
return dataSourceValue;
}
protected Injector<ExecutorService> getExecutorServiceInjector() {
return executor;
}
}