BATCH-1636: add Ordered interface

spring-batch-core/src/main/java/org/springframework/batch/core/configuration/support/AutomaticJobRegistrar.java

@@ -30,6 +30,7 @@ import org.springframework.context.ApplicationListener;
 import org.springframework.context.Lifecycle;
 import org.springframework.context.event.ContextClosedEvent;
 import org.springframework.context.event.ContextRefreshedEvent;
+import org.springframework.core.Ordered;
 import org.springframework.util.Assert;
 
 /**
@@ -44,7 +45,7 @@ import org.springframework.util.Assert;
  * 
  * @since 2.1
  */
-public class AutomaticJobRegistrar implements Lifecycle, ApplicationListener, ApplicationContextAware, InitializingBean {
+public class AutomaticJobRegistrar implements Ordered, Lifecycle, ApplicationListener, ApplicationContextAware, InitializingBean {
 
 	private Collection<ApplicationContextFactory> applicationContextFactories = new ArrayList<ApplicationContextFactory>();
 
@@ -55,6 +56,8 @@ public class AutomaticJobRegistrar implements Lifecycle, ApplicationListener, Ap
 	private volatile boolean running = false;
 
 	private Object lifecycleMonitor = new Object();
+	
+	private int order = Ordered.LOWEST_PRECEDENCE;
 
 	/**
 	 * The enclosing application context, which can be used to check if
@@ -89,6 +92,19 @@ public class AutomaticJobRegistrar implements Lifecycle, ApplicationListener, Ap
 		this.jobLoader = jobLoader;
 	}
 
+	public int getOrder() {
+		return order;
+	}
+
+	/**
+	 * The order to start up and shutdown.
+	 * @param order the order (default {@link Ordered#LOWEST_PRECEDENCE}).
+	 * @see Ordered
+	 */
+	public void setOrder(int order) {
+		this.order = order;
+	}
+
 	/**
 	 * @throws Exception
 	 */

spring-batch-core/src/test/java/org/springframework/batch/core/configuration/support/AutomaticJobRegistrarTests.java

@@ -17,6 +17,7 @@ import org.springframework.context.event.ContextClosedEvent;
 import org.springframework.context.event.ContextRefreshedEvent;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 import org.springframework.context.support.GenericApplicationContext;
+import org.springframework.core.Ordered;
 import org.springframework.core.io.ClassPathResource;
 import org.springframework.core.io.Resource;
 
@@ -39,6 +40,16 @@ public class AutomaticJobRegistrarTests {
 		registrar.setJobLoader(jobLoader);
 	}
 
+	@Test
+	public void testOrderedImplemented() throws Exception {
+		
+		assertTrue(registrar instanceof Ordered);
+		assertEquals(Ordered.LOWEST_PRECEDENCE, registrar.getOrder());
+		registrar.setOrder(1);
+		assertEquals(1, registrar.getOrder());
+
+	}
+
 	@Test
 	public void testLocateJob() throws Exception {