OPEN - issue BATCH-398: That old stateful / stateless thing again....

http://jira.springframework.org/browse/BATCH-398

Fix delegate job (duplicate job regsitry).

spring-batch-core/src/main/java/org/springframework/batch/core/repository/JobFactory.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2006-2007 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.repository;
+
+import org.springframework.batch.core.domain.Job;
+
+/**
+ * Strategy for creating a single job.
+ * 
+ * @author Dave Syer
+ *
+ */
+public interface JobFactory {
+	
+	Job createJob();
+	
+	String getJobName();
+
+}

spring-batch-core/src/main/java/org/springframework/batch/core/repository/JobRegistry.java

@@ -29,18 +29,18 @@ public interface JobRegistry extends JobLocator {
 	/**
 	 * Registers a {@link Job} at runtime.
 	 * 
-	 * @param jobConfiguration the {@link Job} to be registered
+	 * @param job the {@link Job} to be registered
 	 * 
 	 * @throws DuplicateJobException if a configuration with the
 	 * same name has already been registered.
 	 */
-	void register(Job jobConfiguration) throws DuplicateJobException;
+	void register(Job job) throws DuplicateJobException;
 
 	/**
 	 * Unregisters a previously registered {@link Job}. If it was
 	 * not previously registered there is no error.
 	 * 
-	 * @param jobConfiguration the {@link Job} to unregister.
+	 * @param job the {@link Job} to unregister.
 	 */
-	void unregister(Job jobConfiguration);
+	void unregister(Job job);
 }

spring-batch-core/src/main/java/org/springframework/batch/core/repository/ListableJobRegistry.java

@@ -17,8 +17,6 @@ package org.springframework.batch.core.repository;
 
 import java.util.Collection;
 
-import org.springframework.batch.core.domain.Job;
-
 /**
  * A listable extension of {@link JobRegistry}.
  * 
@@ -28,11 +26,10 @@ import org.springframework.batch.core.domain.Job;
 public interface ListableJobRegistry extends JobRegistry {
 
 	/**
-	 * Provides the currently registered configurations. The return value is
+	 * Provides the currently registered job names. The return value is
 	 * unmodifiable and disconnected from the underlying registry storage.
 	 * 
-	 * @return a collection of {@link Job} instances. Empty if none
-	 * are registered.
+	 * @return a collection of String. Empty if none are registered.
 	 */
-	Collection getJobConfigurations();
+	Collection getJobNames();
 }