| 1 | /* |
| 2 | * Copyright 2006-2007 the original author or authors. |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.springframework.batch.core.configuration.support; |
| 17 | |
| 18 | import org.springframework.batch.core.Job; |
| 19 | import org.springframework.batch.core.configuration.JobFactory; |
| 20 | import org.springframework.context.ApplicationContext; |
| 21 | import org.springframework.context.ConfigurableApplicationContext; |
| 22 | |
| 23 | /** |
| 24 | * A {@link JobFactory} that creates its own {@link ApplicationContext} and |
| 25 | * pulls a bean out when asked to create a {@link Job}. |
| 26 | * |
| 27 | * @author Dave Syer |
| 28 | * |
| 29 | */ |
| 30 | public class ApplicationContextJobFactory implements JobFactory { |
| 31 | |
| 32 | private final Job job; |
| 33 | |
| 34 | /** |
| 35 | * @param jobName the id of the {@link Job} in the application context to be |
| 36 | * created |
| 37 | * @param applicationContextFactory a factory for an application context |
| 38 | * containing a job with the job name provided |
| 39 | */ |
| 40 | public ApplicationContextJobFactory(String jobName, ApplicationContextFactory applicationContextFactory) { |
| 41 | ConfigurableApplicationContext context = applicationContextFactory.createApplicationContext(); |
| 42 | this.job = (Job) context.getBean(jobName, Job.class); |
| 43 | } |
| 44 | |
| 45 | /** |
| 46 | * Create an {@link ApplicationContext} from the factory provided and pull |
| 47 | * out a bean with the name given during initialization. |
| 48 | * |
| 49 | * @see org.springframework.batch.core.configuration.JobFactory#createJob() |
| 50 | */ |
| 51 | public final Job createJob() { |
| 52 | return job; |
| 53 | } |
| 54 | |
| 55 | /** |
| 56 | * Just return the name of instance passed in on initialization. |
| 57 | * |
| 58 | * @see JobFactory#getJobName() |
| 59 | */ |
| 60 | public String getJobName() { |
| 61 | return job.getName(); |
| 62 | } |
| 63 | |
| 64 | } |