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Source code: com/ibatis/db/dao/jdbc/SqlMap2DaoTransactionPool.java


1   /*
2    *  Copyright 2004 Clinton Begin
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 com.ibatis.db.dao.jdbc;
17  
18  import com.ibatis.common.exception.NestedRuntimeException;
19  import com.ibatis.common.resources.Resources;
20  import com.ibatis.db.dao.DaoException;
21  import com.ibatis.db.dao.DaoTransaction;
22  import com.ibatis.db.dao.DaoTransactionPool;
23  import com.ibatis.sqlmap.client.SqlMapClient;
24  import com.ibatis.sqlmap.client.SqlMapClientBuilder;
25  
26  import java.io.Reader;
27  import java.sql.SQLException;
28  import java.util.Map;
29  
30  public class SqlMap2DaoTransactionPool implements DaoTransactionPool {
31  
32    private SqlMapClient sqlMap;
33  
34    public void configure(Map properties)
35        throws DaoException {
36  
37      try {
38        String xmlConfig = (String) properties.get("sql-map-config-file");
39  
40        Reader reader = Resources.getResourceAsReader(xmlConfig);
41        sqlMap = SqlMapClientBuilder.buildSqlMapClient(reader);
42      } catch (Exception e) {
43        throw new NestedRuntimeException("Error configuring SqlMapClientDaoTransactionPool.  Cause: " + e, e);
44      }
45  
46    }
47  
48    public DaoTransaction getTransaction()
49        throws DaoException {
50      try {
51        sqlMap.startTransaction();
52        return new SqlMap2DaoTransaction(sqlMap);
53      } catch (SQLException e) {
54        throw new DaoException("Error getting transaction. Cause: " + e, e);
55      }
56    }
57  
58    public void releaseTransaction(DaoTransaction trans)
59        throws DaoException {
60      // No implementation required.
61    }
62  
63    public SqlMapClient getSqlMapClient() {
64      return sqlMap;
65    }
66  
67  
68  }