IN PROGRESS - issue BATCH-159: JobExecutor should return a JobExecution (which itself contains the ExitStatus)

http://opensource.atlassian.com/projects/spring/browse/BATCH-159

Remove JobExecutionRegistry abstraction (not used).

core/src/main/java/org/springframework/batch/core/runtime/JobExecutionRegistry.java

@@ -1,93 +0,0 @@
-/*
- * 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.runtime;
-
-import java.util.Collection;
-
-import org.springframework.batch.core.domain.JobExecution;
-import org.springframework.batch.core.domain.JobIdentifier;
-import org.springframework.batch.core.domain.JobInstance;
-
-/**
- * Registry for currently active job executions, which can be used for
- * monitoring and management purposes. Not to be confused with a persistent
- * repository of jobs.
- * 
- * @author Dave Syer
- * 
- */
-public interface JobExecutionRegistry {
-
-	/**
-	 * Register a job instance and obtain the runtime context of the
-	 * execution.
-	 * @param job containing the {@link JobIdentifier} that can be
-	 * used to identify this execution in subsequent calls to the registry. Must
-	 * not be null.
-	 * @param the {@link JobInstance} instance to register.
-	 * 
-	 * @throws NullPointerException if the first parameter is null.
-	 */
-	JobExecution register(JobInstance job);
-
-	/**
-	 * Check if a given {@link JobExecution}, or one with the same id property,
-	 * is already registered.
-	 * 
-	 * @param runtimeInformation the {@link JobIdentifier} to check.
-	 * @return true if it has been registered.
-	 */
-	boolean isRegistered(JobIdentifier jobIdentifier);
-
-	/**
-	 * Unregister a particular {@link JobExecution}, or one with the same id
-	 * property.
-	 * 
-	 * @param execution the {@link JobIdentifier} to unregister.
-	 */
-	void unregister(JobIdentifier jobIdentifier);
-
-	/**
-	 * Find all the currently registered {@link JobExecution} objects.
-	 * 
-	 * @return all the currently registered contexts.
-	 */
-	Collection findAll();
-	
-	/**
-	 * Return a collection of {@link JobExecution} objects representing
-	 * the currently executing jobs with {@link JobRuntimeInformation} having
-	 * the given name.
-	 * 
-	 * @param name the name of the {@link JobRuntimeInformation} as a to key the
-	 * search. The name can be null, in which case the key is null, i.e.
-	 * {@link JobRuntimeInformation} instances with null name will match.
-	 * @return a {@link Collection} of {@link JobExecution}.
-	 */
-	Collection findByName(String name);
-
-	/**
-	 * Return a {@link JobExecution} representing the currently executing
-	 * jobs with the given {@link JobRuntimeInformation}.
-	 * 
-	 * @param runtimeInformation the {@link JobIdentifier} to use as a
-	 * search key.
-	 * @return the {@link JobExecution} that was registered under the
-	 * given key, if there is one, null otherwise.
-	 */
-	JobExecution get(JobIdentifier jobIdentifier);
-
-}