JobInstance now creates JobExecutions instead of letting someone else.

core/src/main/java/org/springframework/batch/core/domain/JobInstance.java

@@ -101,9 +101,10 @@ public class JobInstance extends Entity {
 		return identifier==null ? null : identifier.getName();
 	}
 	
-	/* (non-Javadoc)
-	 * @see org.springframework.batch.core.domain.Entity#toString()
-	 */
+	public JobExecution createNewJobExecution() {
+		return new JobExecution(this);
+	}
+	
 	public String toString() {
 		return super.toString()+", identifier=["+identifier+"]";
 	}

execution/src/main/java/org/springframework/batch/execution/launch/SimpleJobExecutorFacade.java

@@ -164,7 +164,7 @@ class SimpleJobExecutorFacade implements JobExecutorFacade,
 
 		JobInstance job = jobRepository.findOrCreateJob(jobConfiguration,
 				jobIdentifier);
-		JobExecution execution = new JobExecution(job);
+		JobExecution execution = job.createNewJobExecution();
 		
 		// Save the JobExecution so that it picks up an ID (useful for clients
 		// monitoring asynchronous executions):