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1 /* Copyright (c) 2001-2005, The HSQL Development Group
2  * All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are met:
6  *
7  * Redistributions of source code must retain the above copyright notice, this
8  * list of conditions and the following disclaimer.
9  *
10  * Redistributions in binary form must reproduce the above copyright notice,
11  * this list of conditions and the following disclaimer in the documentation
12  * and/or other materials provided with the distribution.
13  *
14  * Neither the name of the HSQL Development Group nor the names of its
15  * contributors may be used to endorse or promote products derived from this
16  * software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
22  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
26  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30
31
32 package org.hsqldb;
33
34 /**
35  * Interface to Session and its remote proxy objects. Used by the
36  * implementations of JDBC interfaces to communicate with the database at
37  * the session level.
38  *
39  * @author fredt@users
40  * @version 1.7.2
41  * @since 1.7.2
42  */
43 public interface SessionInterface {
44
45     // fredt@users - marked as used
46 int INFO_DATABASE = 0;
47     int INFO_USER = 1;
48     int INFO_SESSION_ID = 2;
49     int INFO_ISOLATION = 3;
50     int INFO_AUTOCOMMIT = 4; // used
51 int INFO_DATABASE_READONLY = 5;
52     int INFO_CONNECTION_READONLY = 6; // used
53
54     //
55 int TX_READ_UNCOMMITTED = 1;
56     int TX_READ_COMMITTED = 2;
57     int TX_REPEATABLE_READ = 4;
58     int TX_SERIALIZABLE = 8;
59
60     Result execute(Result r) throws HsqlException;
61
62     void close();
63
64     boolean isClosed();
65
66     boolean isReadOnly() throws HsqlException;
67
68     void setReadOnly(boolean readonly) throws HsqlException;
69
70     boolean isAutoCommit() throws HsqlException;
71
72     void setAutoCommit(boolean autoCommit) throws HsqlException;
73
74     void setIsolation(int level) throws HsqlException;
75
76     int getIsolation() throws HsqlException;
77
78     void startPhasedTransaction() throws HsqlException;
79
80     void prepareCommit() throws HsqlException;
81
82     void commit() throws HsqlException;
83
84     void rollback() throws HsqlException;
85
86     int getId();
87
88     void resetSession() throws HsqlException;
89 }
90
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