/*
* Copyright 2006-2013 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.explore.support;
import org.springframework.batch.core.JobExecution;
import org.springframework.batch.core.JobInstance;
import org.springframework.batch.core.StepExecution;
import org.springframework.batch.core.explore.JobExplorer;
import org.springframework.batch.core.launch.NoSuchJobException;
import org.springframework.batch.core.repository.dao.ExecutionContextDao;
import org.springframework.batch.core.repository.dao.JobExecutionDao;
import org.springframework.batch.core.repository.dao.JobInstanceDao;
import org.springframework.batch.core.repository.dao.StepExecutionDao;
import java.util.List;
import java.util.Set;
/**
* Implementation of {@link JobExplorer} using the injected DAOs.
*
* @author Dave Syer
* @author Lucas Ward
* @author Michael Minella
* @author Will Schipp
*
* @see JobExplorer
* @see JobInstanceDao
* @see JobExecutionDao
* @see StepExecutionDao
* @since 2.0
*/
public class SimpleJobExplorer implements JobExplorer {
private JobInstanceDao jobInstanceDao;
private JobExecutionDao jobExecutionDao;
private StepExecutionDao stepExecutionDao;
private ExecutionContextDao ecDao;
/**
* Provide default constructor with low visibility in case user wants to use
* use aop:proxy-target-class="true" for AOP interceptor.
*/
SimpleJobExplorer() {
}
public SimpleJobExplorer(JobInstanceDao jobInstanceDao, JobExecutionDao jobExecutionDao,
StepExecutionDao stepExecutionDao, ExecutionContextDao ecDao) {
super();
this.jobInstanceDao = jobInstanceDao;
this.jobExecutionDao = jobExecutionDao;
this.stepExecutionDao = stepExecutionDao;
this.ecDao = ecDao;
}
/*
* (non-Javadoc)
*
* @see
* org.springframework.batch.core.explore.JobExplorer#findJobExecutions(
* org.springframework.batch.core.JobInstance)
*/
@Override
public List<JobExecution> getJobExecutions(JobInstance jobInstance) {
List<JobExecution> executions = jobExecutionDao.findJobExecutions(jobInstance);
for (JobExecution jobExecution : executions) {
getJobExecutionDependencies(jobExecution);
for (StepExecution stepExecution : jobExecution.getStepExecutions()) {
getStepExecutionDependencies(stepExecution);
}
}
return executions;
}
/*
* (non-Javadoc)
*
* @see
* org.springframework.batch.core.explore.JobExplorer#findRunningJobExecutions
* (java.lang.String)
*/
@Override
public Set<JobExecution> findRunningJobExecutions(String jobName) {
Set<JobExecution> executions = jobExecutionDao.findRunningJobExecutions(jobName);
for (JobExecution jobExecution : executions) {
getJobExecutionDependencies(jobExecution);
for (StepExecution stepExecution : jobExecution.getStepExecutions()) {
getStepExecutionDependencies(stepExecution);
}
}
return executions;
}
/*
* (non-Javadoc)
*
* @see
* org.springframework.batch.core.explore.JobExplorer#getJobExecution(java
* .lang.Long)
*/
@Override
public JobExecution getJobExecution(Long executionId) {
if (executionId == null) {
return null;
}
JobExecution jobExecution = jobExecutionDao.getJobExecution(executionId);
if (jobExecution == null) {
return null;
}
getJobExecutionDependencies(jobExecution);
for (StepExecution stepExecution : jobExecution.getStepExecutions()) {
getStepExecutionDependencies(stepExecution);
}
return jobExecution;
}
/*
* (non-Javadoc)
*
* @see
* org.springframework.batch.core.explore.JobExplorer#getStepExecution(java
* .lang.Long)
*/
@Override
public StepExecution getStepExecution(Long jobExecutionId, Long executionId) {
JobExecution jobExecution = jobExecutionDao.getJobExecution(jobExecutionId);
if (jobExecution == null) {
return null;
}
getJobExecutionDependencies(jobExecution);
StepExecution stepExecution = stepExecutionDao.getStepExecution(jobExecution, executionId);
getStepExecutionDependencies(stepExecution);
return stepExecution;
}
/*
* (non-Javadoc)
*
* @see
* org.springframework.batch.core.explore.JobExplorer#getJobInstance(java
* .lang.Long)
*/
@Override
public JobInstance getJobInstance(Long instanceId) {
return jobInstanceDao.getJobInstance(instanceId);
}
/*
* (non-Javadoc)
*
* @see
* org.springframework.batch.core.explore.JobExplorer#getLastJobInstances
* (java.lang.String, int)
*/
@Override
public List<JobInstance> getJobInstances(String jobName, int start, int count) {
return jobInstanceDao.getJobInstances(jobName, start, count);
}
/*
* (non-Javadoc)
*
* @see org.springframework.batch.core.explore.JobExplorer#getJobNames()
*/
@Override
public List<String> getJobNames() {
return jobInstanceDao.getJobNames();
}
/* (non-Javadoc)
* @see org.springframework.batch.core.explore.JobExplorer#getJobInstanceCount(java.lang.String)
*/
@Override
public int getJobInstanceCount(String jobName) throws NoSuchJobException {
return jobInstanceDao.getJobInstanceCount(jobName);
}
/*
* Find all dependencies for a JobExecution, including JobInstance (which
* requires JobParameters) plus StepExecutions
*/
private void getJobExecutionDependencies(JobExecution jobExecution) {
JobInstance jobInstance = jobInstanceDao.getJobInstance(jobExecution);
stepExecutionDao.addStepExecutions(jobExecution);
jobExecution.setJobInstance(jobInstance);
jobExecution.setExecutionContext(ecDao.getExecutionContext(jobExecution));
}
private void getStepExecutionDependencies(StepExecution stepExecution) {
if (stepExecution != null) {
stepExecution.setExecutionContext(ecDao.getExecutionContext(stepExecution));
}
}
@Override
public List<JobInstance> findJobInstancesByJobName(String jobName, int start, int count) {
return jobInstanceDao.findJobInstancesByName(jobName, start, count);
}
}