1 /* Copyright (c) 2001-2016, 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 import org.hsqldb.error.Error;
35 import org.hsqldb.error.ErrorCode;
36 /*
37  * Enumerates supported database types.
38  *
39  * @author Fred Toussi (fredt@users dot sourceforge.net)
40  * @version 2.3.4
41  * @since 2.3.4
42  */
43 
44 public enum DatabaseType {
45     DB_MEM("mem:"),
46     DB_FILE("file:"),
47     DB_RES("res:");
48 
49     private String value;
50 
DatabaseType(String value)51     DatabaseType(String value) {
52         this.value = value;
53     }
54 
value()55     public String value() {
56         return value;
57     }
58 
isFileBased()59     public boolean isFileBased() {
60         switch (this) {
61             case DB_FILE:
62             case DB_RES:
63                 return true;
64             default:
65                 return false;
66         }
67     }
68 
69 
get(String value)70     public static DatabaseType get(String value) {
71         if (DB_MEM.value.equals(value)) {
72             return DB_MEM;
73         }
74 
75 
76         if (DB_FILE.value.equals(value)) {
77             return DB_FILE;
78         }
79 
80         if (DB_RES.value.equals(value)) {
81             return DB_RES;
82         }
83 
84         throw Error.runtimeError(ErrorCode.U_S0500, "DatabaseType");
85     }
86 
87 
88 
89 }
90