Adding support for multiple configured job names

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/batch/BatchAutoConfiguration.java

@@ -44,10 +44,14 @@ import org.springframework.jdbc.core.JdbcOperations;
 import org.springframework.util.StringUtils;
 
 /**
- * {@link EnableAutoConfiguration Auto-configuration} for Spring Batch. By default all
- * jobs in the context will be executed on startup (disable this behaviour with
- * <code>spring.boot.exec.enabled=false</code>). User can supply a job name to execute on
- * startup with <code>spring.batch.exec.name=...</code>.
+ * {@link EnableAutoConfiguration Auto-configuration} for Spring Batch. By default a Runner 
+ * will be created and all jobs in the context will be executed on startup.
+ * 
+ * Disable this behaviour with <code>spring.batch.job.enabled=false</code>). 
+ * 
+ * Alternatively, discrete Job names to execute on startup can be supplied by the User with
+ * a comma-delimited list: <code>spring.batch.job.names=job1,job2</code>.  In this case the 
+ * Runner will first find jobs registered as Beans, then those in the existing JobRegistry.
  * 
  * @author Dave Syer
  */
@@ -57,8 +61,8 @@ import org.springframework.util.StringUtils;
 @ConditionalOnBean(JobLauncher.class)
 public class BatchAutoConfiguration {
 
-	@Value("${spring.batch.job.name:}")
-	private String jobName;
+	@Value("${spring.batch.job.names:}")
+	private String jobNames;
 
 	@Autowired(required = false)
 	private JobParametersConverter jobParametersConverter;
@@ -74,8 +78,8 @@ public class BatchAutoConfiguration {
 	@ConditionalOnExpression("${spring.batch.job.enabled:true}")
 	public JobLauncherCommandLineRunner jobLauncherCommandLineRunner() {
 		JobLauncherCommandLineRunner runner = new JobLauncherCommandLineRunner();
-		if (StringUtils.hasText(this.jobName)) {
-			runner.setJobName(this.jobName);
+		if (StringUtils.hasText(this.jobNames)) {
+			runner.setJobNames(this.jobNames);
 		}
 		return runner;
 	}

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/batch/JobLauncherCommandLineRunner.java

@@ -23,6 +23,7 @@ import java.util.Properties;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.springframework.batch.core.BatchStatus;
 import org.springframework.batch.core.Job;
 import org.springframework.batch.core.JobExecution;
 import org.springframework.batch.core.JobExecutionException;
@@ -31,6 +32,8 @@ import org.springframework.batch.core.configuration.JobRegistry;
 import org.springframework.batch.core.converter.DefaultJobParametersConverter;
 import org.springframework.batch.core.converter.JobParametersConverter;
 import org.springframework.batch.core.launch.JobLauncher;
+import org.springframework.batch.core.launch.NoSuchJobException;
+import org.springframework.batch.core.repository.JobRepository;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.context.ApplicationEventPublisher;
@@ -60,16 +63,19 @@ public class JobLauncherCommandLineRunner implements CommandLineRunner,
 
 	@Autowired(required = false)
 	private JobRegistry jobRegistry;
+	
+	@Autowired
+	private JobRepository jobRepository;
 
-	private String jobName;
+	private String jobNames;
 
 	@Autowired(required = false)
 	private final Collection<Job> jobs = Collections.emptySet();
 
 	private ApplicationEventPublisher publisher;
 
-	public void setJobName(String jobName) {
-		this.jobName = jobName;
+	public void setJobNames(String jobNames) {
+		this.jobNames = jobNames;
 	}
 
 	@Override
@@ -86,17 +92,28 @@ public class JobLauncherCommandLineRunner implements CommandLineRunner,
 	protected void launchJobFromProperties(Properties properties)
 			throws JobExecutionException {
 		JobParameters jobParameters = this.converter.getJobParameters(properties);
-		executeRegisteredJobs(jobParameters);
 		executeLocalJobs(jobParameters);
+		executeRegisteredJobs(jobParameters);
 	}
 
 	private void executeRegisteredJobs(JobParameters jobParameters)
 			throws JobExecutionException {
-		if (this.jobRegistry != null && StringUtils.hasText(this.jobName)) {
-			Job job = this.jobRegistry.getJob(this.jobName);
-			JobExecution execution = this.jobLauncher.run(job, jobParameters);
-			if (this.publisher != null) {
-				this.publisher.publishEvent(new JobExecutionEvent(execution));
+		if (this.jobRegistry != null && StringUtils.hasText(this.jobNames)) {
+			String[] jobsToRun = this.jobNames.split(",");
+			for (String jobName : jobsToRun) {
+				try {
+					Job job = this.jobRegistry.getJob(jobName);
+					JobExecution previousExecution = jobRepository.getLastJobExecution(jobName, jobParameters);
+					if (previousExecution == null || previousExecution.getStatus() != BatchStatus.COMPLETED) {
+						JobExecution execution = this.jobLauncher.run(job, jobParameters);
+						if (this.publisher != null) {
+							this.publisher.publishEvent(new JobExecutionEvent(execution));
+						}
+					}
+				} catch (NoSuchJobException nsje) {
+					logger.debug("No job found in registry for job name: " + jobName);
+					continue;
+				}
 			}
 		}
 	}
@@ -104,8 +121,9 @@ public class JobLauncherCommandLineRunner implements CommandLineRunner,
 	private void executeLocalJobs(JobParameters jobParameters)
 			throws JobExecutionException {
 		for (Job job : this.jobs) {
-			if (StringUtils.hasText(this.jobName)) {
-				if (!PatternMatchUtils.simpleMatch(this.jobName, job.getName())) {
+			if (StringUtils.hasText(this.jobNames)) {
+				String[] jobsToRun = this.jobNames.split(",");
+				if (!PatternMatchUtils.simpleMatch(jobsToRun, job.getName())) {
 					logger.debug("Skipped job: " + job.getName());
 					continue;
 				}

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/batch/BatchAutoConfigurationTests.java

@@ -32,7 +32,9 @@ import org.springframework.batch.core.JobExecution;
 import org.springframework.batch.core.JobExecutionException;
 import org.springframework.batch.core.JobParameters;
 import org.springframework.batch.core.Step;
+import org.springframework.batch.core.configuration.JobRegistry;
 import org.springframework.batch.core.configuration.annotation.EnableBatchProcessing;
+import org.springframework.batch.core.configuration.support.JobRegistryBeanPostProcessor;
 import org.springframework.batch.core.explore.JobExplorer;
 import org.springframework.batch.core.job.AbstractJob;
 import org.springframework.batch.core.launch.JobLauncher;
@@ -112,6 +114,36 @@ public class BatchAutoConfigurationTests {
 		assertNotNull(this.context.getBean(JobRepository.class).getLastJobExecution(
 				"job", new JobParameters()));
 	}
+	
+	@Test
+	public void testDefinesAndLaunchesNamedJob() throws Exception {
+		this.context = new AnnotationConfigApplicationContext();
+		EnvironmentTestUtils.addEnvironment(this.context,
+				"spring.batch.job.names:discreteRegisteredJob");
+		this.context.register(NamedJobConfigurationWithRegisteredJob.class, BatchAutoConfiguration.class,
+				EmbeddedDataSourceConfiguration.class,
+				PropertyPlaceholderAutoConfiguration.class);
+		this.context.refresh();
+		assertNotNull(this.context.getBean(JobLauncher.class));
+		this.context.getBean(JobLauncherCommandLineRunner.class).run();
+		assertNotNull(this.context.getBean(JobRepository.class).getLastJobExecution(
+				"discreteRegisteredJob", new JobParameters()));
+	}
+	
+	@Test
+	public void testDefinesAndLaunchesLocalJob() throws Exception {
+		this.context = new AnnotationConfigApplicationContext();
+		EnvironmentTestUtils.addEnvironment(this.context,
+				"spring.batch.job.names:discreteLocalJob");
+		this.context.register(NamedJobConfigurationWithLocalJob.class, BatchAutoConfiguration.class,
+				EmbeddedDataSourceConfiguration.class,
+				PropertyPlaceholderAutoConfiguration.class);
+		this.context.refresh();
+		assertNotNull(this.context.getBean(JobLauncher.class));
+		this.context.getBean(JobLauncherCommandLineRunner.class).run();
+		assertNotNull(this.context.getBean(JobRepository.class).getLastJobExecution(
+				"discreteLocalJob", new JobParameters()));
+	}
 
 	@Test
 	public void testDisableLaunchesJob() throws Exception {
@@ -170,6 +202,77 @@ public class BatchAutoConfigurationTests {
 	protected static class TestConfiguration {
 	}
 
+	@EnableBatchProcessing
+	protected static class NamedJobConfigurationWithRegisteredJob {
+		@Autowired
+		private JobRegistry jobRegistry;
+		
+		@Autowired
+		private JobRepository jobRepository;
+		
+		@Bean
+		public JobRegistryBeanPostProcessor registryProcessor() {
+			JobRegistryBeanPostProcessor processor = new JobRegistryBeanPostProcessor();
+			processor.setJobRegistry(jobRegistry);
+			return processor;
+		}
+		
+		@Bean
+		public Job discreteJob() {
+			AbstractJob job = new AbstractJob("discreteRegisteredJob") {
+
+				@Override
+				public Collection<String> getStepNames() {
+					return Collections.emptySet();
+				}
+
+				@Override
+				public Step getStep(String stepName) {
+					return null;
+				}
+
+				@Override
+				protected void doExecute(JobExecution execution)
+						throws JobExecutionException {
+					execution.setStatus(BatchStatus.COMPLETED);
+				}
+			};
+			job.setJobRepository(this.jobRepository);
+			return job;
+		}
+	}
+	
+	@EnableBatchProcessing
+	protected static class NamedJobConfigurationWithLocalJob {
+		
+		@Autowired
+		private JobRepository jobRepository;
+		
+		@Bean
+		public Job discreteJob() {
+			AbstractJob job = new AbstractJob("discreteLocalJob") {
+
+				@Override
+				public Collection<String> getStepNames() {
+					return Collections.emptySet();
+				}
+
+				@Override
+				public Step getStep(String stepName) {
+					return null;
+				}
+
+				@Override
+				protected void doExecute(JobExecution execution)
+						throws JobExecutionException {
+					execution.setStatus(BatchStatus.COMPLETED);
+				}
+			};
+			job.setJobRepository(this.jobRepository);
+			return job;
+		}
+	}
+	
 	@EnableBatchProcessing
 	protected static class JobConfiguration {
 		@Autowired