RESOLVED - issue BATCH-1421: Add method to get all job names to JobExplorer

spring-batch-core/src/main/java/org/springframework/batch/core/explore/JobExplorer.java

@@ -80,4 +80,12 @@ public interface JobExplorer {
 	 */
 	Set<JobExecution> findRunningJobExecutions(String jobName);
 
+	/**
+	 * Query the repository for all unique {@link JobInstance} names (sorted
+	 * alphabetically).
+	 * 
+	 * @return the set of job names that have been executed
+	 */
+	List<String> getJobNames();
+
 }

spring-batch-core/src/main/java/org/springframework/batch/core/explore/support/SimpleJobExplorer.java

@@ -159,6 +159,13 @@ public class SimpleJobExplorer implements JobExplorer {
 			int count) {
 		return jobInstanceDao.getJobInstances(jobName, start, count);
 	}
+	
+	/* (non-Javadoc)
+	 * @see org.springframework.batch.core.explore.JobExplorer#getJobNames()
+	 */
+	public List<String> getJobNames() {
+		return jobInstanceDao.getJobNames();
+	}
 
 	/*
 	 * Find all dependencies for a JobExecution, including JobInstance (which

spring-batch-core/src/test/java/org/springframework/batch/core/exlore/support/SimpleJobExplorerTests.java

@@ -174,4 +174,14 @@ public class SimpleJobExplorerTests extends TestCase {
 		verify(jobExecutionDao, jobInstanceDao, stepExecutionDao);
 	}
 
+	@Test
+	public void testGetJobNames() throws Exception {
+		jobInstanceDao.getJobNames();
+		EasyMock.expectLastCall().andReturn(
+				Collections.singletonList("foo"));
+		replay(jobExecutionDao, jobInstanceDao, stepExecutionDao);
+		jobExplorer.getJobNames();
+		verify(jobExecutionDao, jobInstanceDao, stepExecutionDao);
+	}
+
 }

spring-batch-core/src/test/java/org/springframework/batch/core/launch/support/CommandLineJobRunnerTests.java

@@ -298,6 +298,10 @@ public class CommandLineJobRunnerTests {
 		public StepExecution getStepExecution(Long jobExecutionId, Long stepExecutionId) {
 			throw new UnsupportedOperationException();
 		}
+		
+		public List<String> getJobNames() {
+			throw new UnsupportedOperationException();
+		}
 
 	}