1 /*
2 * Copyright 2006-2013 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
17 package org.springframework.batch.core.explore.support;
18
19 import org.springframework.batch.core.explore.JobExplorer;
20 import org.springframework.batch.core.repository.dao.ExecutionContextDao;
21 import org.springframework.batch.core.repository.dao.JobExecutionDao;
22 import org.springframework.batch.core.repository.dao.JobInstanceDao;
23 import org.springframework.batch.core.repository.dao.StepExecutionDao;
24 import org.springframework.beans.factory.FactoryBean;
25
26 /**
27 * A {@link FactoryBean} that automates the creation of a
28 * {@link SimpleJobExplorer}. Declares abstract methods for providing DAO
29 * object implementations.
30 *
31 * @see JobExplorerFactoryBean
32 * @see MapJobExplorerFactoryBean
33 *
34 * @author Dave Syer
35 * @since 2.0
36 */
37 @SuppressWarnings("rawtypes")
38 public abstract class AbstractJobExplorerFactoryBean implements FactoryBean {
39
40 /**
41 * @return fully configured {@link JobInstanceDao} implementation.
42 */
43 protected abstract JobInstanceDao createJobInstanceDao() throws Exception;
44
45 /**
46 * @return fully configured {@link JobExecutionDao} implementation.
47 */
48 protected abstract JobExecutionDao createJobExecutionDao() throws Exception;
49
50 protected abstract StepExecutionDao createStepExecutionDao() throws Exception;
51
52 protected abstract ExecutionContextDao createExecutionContextDao() throws Exception;
53
54 /**
55 * The type of object to be returned from {@link #getObject()}.
56 *
57 * @return JobExplorer.class
58 * @see org.springframework.beans.factory.FactoryBean#getObjectType()
59 */
60 @Override
61 public Class<JobExplorer> getObjectType() {
62 return JobExplorer.class;
63 }
64
65 @Override
66 public boolean isSingleton() {
67 return true;
68 }
69
70 }