001 /*
002 * Copyright (c) 2009 The openGion Project.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
013 * either express or implied. See the License for the specific language
014 * governing permissions and limitations under the License.
015 */
016 package org.opengion.fukurou.db;
017
018 import java.util.Locale;
019
020 /**
021 * å?ƒ‡ãƒ¼ã‚¿ãƒ™ã?スã«å¯¾å¿œã™ã‚‹enumåã‚’è¿”ã—ã¾ã™ã?
022 * 主ã«ã€å„ãƒ??タベã?スã«ãŠã‘る関数åã?差異をå¸åŽã™ã‚‹ãŸã‚ã?enumã§ã™ã?
023 * 本æ¥ã¯ã€äº’æ›æ€§ã®ã‚るファンクション以外ã?使用ã—ãªã?‚ˆã?«ã—ã¾ã—ょã??
024 * ã¾ãŸã?ç„¡ã‘れã°äº’æ›æ€§ãƒ‘ックãªã©ã§ã€ãƒ•ァンクションを定義ã—ã¦ã—ã¾ã??ã‚?
025 * ä¸?¤ã®æ–¹æ³•ã§ã™ã?
026 *
027 * <table border="1" frame="box" rules="all" >
028 * <caption>å?ƒ‡ãƒ¼ã‚¿ãƒ™ã?スã«ãŠã‘る関数</caption>
029 * <tr><th>ãƒ??タベã?スå?</th><th>連çµ?/th><th>部åˆ?–‡å—å?</th></tr>
030 * <tr><td>{@DBF.XXX}</td><td>CON </td><td>SUBSTR </td></tr>
031 * <tr><td>ORACLE </td><td>|| </td><td>SUBSTR </td></tr>
032 * <tr><td>HSQL </td><td>|| </td><td>SUBSTR </td></tr>
033 * <tr><td>POSTGRES </td><td>|| </td><td>SUBSTR </td></tr>
034 * <tr><td>MYSQL </td><td>|| </td><td>SUBSTR </td></tr>
035 * <tr><td>SQLSERVER </td><td>+ </td><td>SUBSTRING </td></tr>
036 * <tr><td>FIREBIRD </td><td>|| </td><td>SUBSTR </td></tr>
037 * </table>
038 *
039 * @og.rev 5.1.4.0 (2010/03/01) æ–°è¦ä½œæ?
040 *
041 * @version 5.0
042 * @author Kazuhiko Hasegawa
043 * @since JDK5.0,
044 */
045 public enum DBFunctionName {
046 // 引数付ãenum定義?šã“ã“ã«ã€å¿?¦ãªé–¢æ•°ãŒå¢—ãˆã‚‹ãŸã³ã«ã€è¿½åŠ?—ã¦ã?ã¾ã™ã?
047 // CON SUBSTR
048 ORACLE ( "||","SUBSTR" )
049 , HSQL ( "||","SUBSTR" )
050 , POSTGRES ( "||","SUBSTR" )
051 , MYSQL ( "||","SUBSTR" )
052 , SQLSERVER ( "+" ,"SUBSTRING" )
053 , FIREBIRD ( "||","SUBSTR" ) ;
054
055 private final String dbfCON ;
056 private final String dbfSUBSTR ;
057
058 /**
059 * コンストラクター(enum ã®å ´åˆã?ã€private宣è¨?•れる)
060 *
061 * @og.rev 5.1.4.0 (2010/03/01) æ–°è¦ä½œæ?
062 *
063 * @param con 第ä¸?¼•æ•°ã«ã¦æŒ?®?CON)
064 * @param substr 第ä¸?¼•æ•°ã«ã¦æŒ?®?SUBSTR)
065 */
066 private DBFunctionName( final String con , final String substr ) {
067 dbfCON = con;
068 dbfSUBSTR = substr;
069 }
070
071 /**
072 * 共通ファンクションã«å¯¾å¿œã™ã‚‹ãƒ‡ãƒ¼ã‚¿ãƒ™ã?ス個別ã®ãƒ•ァンクションåã‚’è¿”ã—ã¾ã™ã?
073 *
074 * @og.rev 5.1.4.0 (2010/03/01) æ–°è¦ä½œæ?
075 *
076 * @param func 共通ファンクション
077 *
078 * @return ファンクションå?
079 */
080 public String getFunctionName( final String func ) {
081 if( "NAME".equals( func ) ) { return toString(); }
082 if( "CON".equals( func ) ) { return dbfCON; }
083 if( "SUBSTR".equals( func ) ) { return dbfSUBSTR; }
084
085 return func;
086 }
087
088 /**
089 * シーケンスåよりシーケンスオブジェクトを検索ã—ã?次ã®å€¤ã‚’å–りå?ã—ã¾ã™ã?
090 * DBã«å¯¾ã™ã‚‹ã‚·ãƒ¼ã‚±ãƒ³ã‚¹ã‚ªãƒ–ジェクトã?予ã‚作æ?ã•れã¦ã?‚‹å¿?¦ãŒã‚りã¾ã™ã?
091 *
092 * ã¾ãŸã?MySQLã®å ´åˆã?ã€ã‚·ãƒ¼ã‚±ãƒ³ã‚¹ã‚ªãƒ–ジェクトãŒå®Ÿè£?•れã¦ã?ªã?Ÿã‚ã?
093 * å†?ƒ¨çš?«ã¯ã€å¼•æ•°ã®ã‚·ãƒ¼ã‚±ãƒ³ã‚¹åã¨åŒã˜åå‰ã®ãƒ??ブルã‹ã‚‰ã€Integeråž‹ã?
094 * "SEQID"ã¨ã?†é ?›®åを検索ã™ã‚‹ã“ã¨ã«ã‚ˆã‚Šã€ã‚·ãƒ¼ã‚±ãƒ³ã‚¹ã‚’エミュレートã—ã¦ã?¾ã™ã?
095 *
096 * @og.rev 5.1.9.0 (2010/08/01) æ–°è¦è¿½åŠ?
097 *
098 * @param seqName シーケンスå?
099 * @param tran トランザクション
100 *
101 * @return シーケンス番å·
102 */
103 public int getSequence( final String seqName, final Transaction tran ) {
104 String sql = null;
105 String[][] rtn = null;
106 switch ( this ) {
107 case ORACLE:
108 sql = "select " + seqName + ".nextval from dual";
109 break;
110 case HSQL:
111 sql = "select next value for " + seqName + " from dual";
112 break;
113 case POSTGRES:
114 sql = "select nextval('" + seqName + "')";
115 break;
116 case MYSQL:
117 sql = "update " + seqName + " set SEQID = last_insert_id(SEQID+1)";
118 DBUtil.dbExecute( sql, new String[0], tran );
119 sql = "select last_insert_id()";
120 break;
121 case SQLSERVER:
122 throw new RuntimeException( "ç¾åœ¨ã€SQLSERVERã§ã¯ã‚·ãƒ¼ã‚±ãƒ³ã‚¹æ©Ÿè?ã¯ã‚µãƒã?トã•れã¦ã?¾ã›ã‚“ã€? );
123 case FIREBIRD:
124 sql = "select gen_id(" + seqName + ", 1) from rdb$database";
125 break;
126 default:
127 throw new RuntimeException( "ç¾åœ¨ã€ã“ã®ãƒ??タベã?スã§ã¯ã‚·ãƒ¼ã‚±ãƒ³ã‚¹æ©Ÿè?ã¯ã‚µãƒã?トã•れã¦ã?¾ã›ã‚“ã€? );
128 }
129
130 rtn = DBUtil.dbExecute( sql, new String[0], tran );
131 return Integer.valueOf( rtn[0][0] );
132 }
133
134 /**
135 * å?ƒ‡ãƒ¼ã‚¿ãƒ™ã?スã«å¯¾å¿œã™ã‚‹enumåã‚’è¿”ã—ã¾ã™ã?
136 *
137 * @og.rev 5.1.4.0 (2010/03/01) æ–°è¦ä½œæ?
138 *
139 * @param dbName ãƒ??タベã?スå?
140 *
141 * @return ãƒ??タベã?スã«å¯¾å¿œã™ã‚‹enumå?
142 */
143 public static DBFunctionName getDBName( final String dbName ) {
144 String dbn = dbName.toUpperCase( Locale.JAPAN );
145
146 if( dbn.indexOf( "ORACLE" ) >= 0 ) { return DBFunctionName.ORACLE; }
147 else if( dbn.indexOf( "HSQL" ) >= 0 ) { return DBFunctionName.HSQL; }
148 else if( dbn.indexOf( "POSTGRES" ) >= 0 ) { return DBFunctionName.POSTGRES; }
149 else if( dbn.indexOf( "MYSQL" ) >= 0 ) { return DBFunctionName.MYSQL; }
150 else if( dbn.indexOf( "SQLSERVER" ) >= 0 ) { return DBFunctionName.SQLSERVER; }
151 else if( dbn.indexOf( "FIREBIRD" ) >= 0 ) { return DBFunctionName.FIREBIRD; }
152
153 final String errMsg = "åˆæœŸåŒ–時ã«ã€æŒ‡å®šã? dbName ã‚ーãŒå˜åœ¨ã—ã¾ã›ã‚“ã€?
154 + "[" + dbn + "]" ;
155
156 throw new RuntimeException( errMsg );
157 }
158
159 /**
160 * å?ƒ‡ãƒ¼ã‚¿ãƒ™ã?スã«å¯¾å¿œã™ã‚‹ãƒ•ァンクションåã‚’è¿”ã—ã¾ã™ã?
161 *
162 * @og.rev 4.3.8.0 (2009/08/01) SUBSTRを追�
163 * @og.rev 5.1.2.0 (2010/01/01) MySQL対å¿?SUBSTRBå»?¢(帳票ãƒ??ã‚¿ã®åˆ?‰²ã®å†?ƒ¨å‡¦ç?Œ–ã«ä¼´ã?
164 * @og.rev 5.1.4.0 (2010/03/01) ãƒ??タベã?スå?ã§ã¯ãªãã?dbid ã§åˆ¤æ–ã™ã‚‹ã‚ˆã†ã«å¤‰æ›´
165 *
166 * @param func ファンクションå?定義æ–??
167 * @param dbid 接続å?ID
168 *
169 * @return 実ファンクションå?
170 */
171 public static String getFunctionName( final String func ,final String dbid ) {
172 DBFunctionName dbName = DBFunctionName.getDBName( ConnectionFactory.getDBName( dbid ) );
173
174 return dbName.getFunctionName( func );
175 }
176
177 }