/*
* Copyright 2006-2007 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.batch.core.repository.dao;
import java.util.List;
import java.util.Set;
import org.springframework.batch.core.JobExecution;
import org.springframework.batch.core.JobInstance;
/**
* Data Access Object for job executions.
*
* @author Lucas Ward
* @author Robert Kasanicky
*/
public interface JobExecutionDao {
/**
* Save a new JobExecution.
*
* Preconditions: jobInstance the jobExecution belongs to must have a
* jobInstanceId.
*
* @param jobExecution
*/
void saveJobExecution(JobExecution jobExecution);
/**
* Update and existing JobExecution.
*
* Preconditions: jobExecution must have an Id (which can be obtained by the
* save method) and a jobInstanceId.
*
* @param jobExecution
*/
void updateJobExecution(JobExecution jobExecution);
/**
* Return all {@link JobExecution} for given {@link JobInstance}, sorted
* backwards by creation order (so the first element is the most recent).
*/
List<JobExecution> findJobExecutions(JobInstance jobInstance);
/**
* Find the last {@link JobExecution} to have been created for a given
* {@link JobInstance}.
* @param jobInstance the {@link JobInstance}
* @return the last {@link JobExecution} to execute for this instance
*/
JobExecution getLastJobExecution(JobInstance jobInstance);
/**
* @return all {@link JobExecution} that are still running (or indeterminate
* state), i.e. having null end date, for the specified job name.
*/
Set<JobExecution> findRunningJobExecutions(String jobName);
/**
* @return the {@link JobExecution} for given identifier.
*/
JobExecution getJobExecution(Long executionId);
/**
* Because it may be possible that the status of a JobExecution is updated
* while running, the following method will synchronize only the status and
* version fields.
*
* @param jobExecution to be updated.
*/
void synchronizeStatus(JobExecution jobExecution);
}