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.plugin.query;
017    
018    import java.sql.ResultSet;
019    import java.sql.SQLException;
020    import java.sql.Statement;
021    
022    import org.opengion.fukurou.util.Closer;
023    import org.opengion.fukurou.util.ErrorMessage;
024    import org.opengion.hayabusa.common.HybsSystem;
025    import org.opengion.hayabusa.common.HybsSystemException;
026    import org.opengion.hayabusa.db.AbstractQuery;
027    
028    /**
029     * æŒ?®šã?SQLæ–?‚’実行ã—ã¦ã€æ¤œç´¢ã™ã‚‹ Query クラスã§ã™ã?
030     *
031     * java.sql.Statement を用ã?¦ã€ãƒ‡ãƒ¼ã‚¿ãƒ™ã?ス検索処ç?‚’行ã„ã¾ã™ã?
032     * 引数ã¯ç„¡ã—ã§ã™ã?(与ãˆã‚‰ã‚ŒãŸSQLæ–?‚’実行ã—ã¾ã™ã?)
033     * å†?ƒ¨å¤‰æ•°ã®å—ã‘æ¸¡ã—ã?ãƒ?ƒ•ォルト実è£??ã€AbstractQuery クラスを継承ã—ã¦ã?‚‹
034     * ãŸã‚,ã“ã“ã§ã¯ã€execute() メソãƒ?ƒ‰ã‚’実è£?—ã¦ã?¾ã™ã?
035     * ã“ã?クラスã§ã¯ã€ã‚¹ãƒ??トメント文ã‚?execute() ã™ã‚‹äº‹ã«ã‚ˆã‚Š,ãƒ??タベã?スã‚?
036     * 検索ã—ãŸçµæžœã‚?DBTableModel ã«å‰²ã‚Šå½“ã¦ã¾ã™ã?
037     *
038     * @og.formSample
039     * <og:query command="{@command}" debug="false">
040     *     <!-- å…ˆé?ã®ã‚«ãƒ©ãƒ?ãŒã?"WRITABLE" ã®å ´åˆã?'true' or '1' ã§ã€æ›¸ãè¾¼ã¿è¨±å¯ãŒä¸Žãˆã‚?'2' ã§ãƒã‚§ãƒ?‚¯æ¸ˆã¿ã«ãªã‚Šã¾ã™ã?-->
041     *         select KBSAKU AS WRITABLE,
042     *                 CLM,NAME_JA,LABEL_NAME,KBSAKU,SYSTEM_ID,LANG,FGJ
043     *         from GE41
044     *     <og:where>
045     *         <og:and value = "FGJ         in  ('0','1')"         />
046     *         <og:and value = "SYSTEM_ID   like '{@SYSTEM_ID}%'"  />
047     *         <og:and value = "LANG        like '{@LANG}%'"       />
048     *         <og:and value = "CLM         like '{@CLM}%'"        />
049     *         <og:and value = "KBSAKU      =    '{@KBSAKU}'"      />
050     *     </og:where>
051     *     <og:appear startKey = "order by" value = "{@ORDER_BY}"
052     *                 defaultVal = "SYSTEM_ID,CLM,LANG" />
053     * </og:query>
054     *
055     * @og.group �?タ表示
056     * @og.group �?タ編�
057     *
058     * @version  4.0
059     * @author   Kazuhiko Hasegawa
060     * @since    JDK5.0,
061     */
062    public class Query_JDBC extends AbstractQuery {
063            //* ã“ã?プログラãƒ??VERSIONæ–?­—å?を設定ã—ã¾ã™ã?       {@value} */
064            private static final String VERSION = "4.0.0.0 (2005/08/31)" ;
065    
066            /**
067             * クエリーを実行ã—ã¾ã™ã?
068             * ã‚»ãƒ?ƒˆã•れã¦ã?‚‹ã‚¹ãƒ??トメント文字å?ã¨ãã?タイプãŒåˆã£ã¦ã?ªã??åˆã?,
069             * エラーã«ãªã‚Šã¾ã™ã?
070             * å®Ÿè¡Œçµæžœã¯ã€DBTableModel ã«ã‚»ãƒ?ƒˆã•れã¾ã™ã?
071             *
072             * @og.rev 3.8.0.8 (2005/10/03) エラーメãƒ?‚»ãƒ¼ã‚¸ã®å‡ºåŠ›é?をメãƒ?‚»ãƒ¼ã‚¸?‹Queryã«å¤‰æ›´ã—ã¾ã™ã?
073             *
074             */
075            @Override
076            public void execute() {
077                    Statement stmt = null ;
078                    ResultSet resultSet = null ;
079                    try {
080                            stmt = getConnection().createStatement();
081                            stmt.setQueryTimeout( DB_MAX_QUERY_TIMEOUT );
082    
083                            boolean status = stmt.execute( getStatement() );
084    
085                            if( status ) {
086                                    resultSet = stmt.getResultSet();
087                                    createTableModel( resultSet );
088                                    setUpdateFlag( false );
089                            }
090                            else {
091                                    setExecuteCount( stmt.getUpdateCount() );
092                            }
093                            setErrorCode( ErrorMessage.OK );
094                    }
095                    catch ( SQLException ex ) {
096                            setErrorCode( ErrorMessage.EXCEPTION );
097                            String errMsg = ex.getMessage() + ":" + ex.getSQLState() + HybsSystem.CR
098                                                    + getStatement() + HybsSystem.CR;
099                            rollback();
100                            realClose();
101                            throw new HybsSystemException( errMsg,ex );             // 3.5.5.4 (2004/04/15) 引数ã®ä¸¦ã³é ?¤‰æ›´
102                    }
103                    finally {
104                            Closer.resultClose( resultSet );
105                            Closer.stmtClose( stmt );
106                    }
107            }
108    }