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1   /*
2    *    Copyright 2009-2023 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    *       https://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.apache.ibatis.transaction;
17  
18  import java.sql.Connection;
19  import java.util.Properties;
20  
21  import javax.sql.DataSource;
22  
23  import org.apache.ibatis.session.TransactionIsolationLevel;
24  
25  /**
26   * Creates {@link Transaction} instances.
27   *
28   * @author Clinton Begin
29   */
30  public interface TransactionFactory {
31  
32    /**
33     * Sets transaction factory custom properties.
34     *
35     * @param props
36     *          the new properties
37     */
38    default void setProperties(Properties props) {
39      // NOP
40    }
41  
42    /**
43     * Creates a {@link Transaction} out of an existing connection.
44     *
45     * @param conn
46     *          Existing database connection
47     *
48     * @return Transaction
49     *
50     * @since 3.1.0
51     */
52    Transaction newTransaction(Connection conn);
53  
54    /**
55     * Creates a {@link Transaction} out of a datasource.
56     *
57     * @param dataSource
58     *          DataSource to take the connection from
59     * @param level
60     *          Desired isolation level
61     * @param autoCommit
62     *          Desired autocommit
63     *
64     * @return Transaction
65     *
66     * @since 3.1.0
67     */
68    Transaction newTransaction(DataSource dataSource, TransactionIsolationLevel level, boolean autoCommit);
69  
70  }