Source Code Cross Referenced for SessionDeleteDO.java in  » J2EE » Enhydra-Application-Framework » com » lutris » appserver » server » sessionEnhydra » persistent » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » J2EE » Enhydra Application Framework » com.lutris.appserver.server.sessionEnhydra.persistent 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Enhydra Java Application Server Project
003:         * 
004:         * The contents of this file are subject to the Enhydra Public License
005:         * Version 1.1 (the "License"); you may not use this file except in
006:         * compliance with the License. You may obtain a copy of the License on
007:         * the Enhydra web site ( http://www.enhydra.org/ ).
008:         * 
009:         * Software distributed under the License is distributed on an "AS IS"
010:         * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See 
011:         * the License for the specific terms governing rights and limitations
012:         * under the License.
013:         * 
014:         * The Initial Developer of the Enhydra Application Server is Lutris
015:         * Technologies, Inc. The Enhydra Application Server and portions created
016:         * by Lutris Technologies, Inc. are Copyright Lutris Technologies, Inc.
017:         * All Rights Reserved.
018:         * 
019:         * Contributor(s):
020:         * 
021:         * $Id: SessionDeleteDO.java,v 1.2 2006-06-15 13:47:00 sinisa Exp $
022:         */
023:
024:        package com.lutris.appserver.server.sessionEnhydra.persistent;
025:
026:        import java.sql.PreparedStatement;
027:        import java.sql.SQLException;
028:
029:        import com.lutris.appserver.server.sql.DBConnection;
030:        import com.lutris.appserver.server.sql.Transaction;
031:
032:        /**
033:         * Database interface that is used to delete a session
034:         * from the database.
035:         *
036:         * @version $Revision: 1.2 $
037:         * @author  Kyle Clark
038:         */
039:        public class SessionDeleteDO implements  Transaction {
040:
041:            /**
042:             * The session represented by this object.
043:             */
044:            private String sessionKey;
045:
046:            /**
047:             * @param sessionKey the key identifying the session
048:             *   that should be deleted.
049:             */
050:            protected SessionDeleteDO(String sessionKey) {
051:                this .sessionKey = sessionKey;
052:            }
053:
054:            /**
055:             * Inserts the session into the database.
056:             *
057:             * @param conn Database connection.
058:             * @exception java.sql.SQLException If a database access error
059:             *  occurs.
060:             */
061:            public void executeInsert(DBConnection conn) throws SQLException {
062:                throw new Error("not supported");
063:            }
064:
065:            /**
066:             * If this object's <code>executeInsert</code> method was
067:             * called then <code>finalizeInsert</code> is called with
068:             * the status of the database transaction.  This method
069:             * allows the data object to perform any post processing
070:             * if the transaction succeeded or failed.
071:             *
072:             * @param success true if the transaction succeeded
073:             *   and this object was successfully inserted into the database.
074:             */
075:            public void finalizeInsert(boolean success) {
076:            }
077:
078:            /**
079:             * Method to update contents of object in database.
080:             *
081:             * @param conn Database connection.
082:             * @exception java.sql.SQLException If a database access error
083:             *  occurs.
084:             */
085:            public void executeUpdate(DBConnection conn) throws SQLException {
086:                throw new Error("not supported");
087:            }
088:
089:            /**
090:             * If this object's <code>executeUpdate</code> method was
091:             * called then <code>finalizeUpdate</code> is called with
092:             * the status of the database transaction.
093:             * For instance the data object may want to
094:             * increment its version number once it has successfully
095:             * been commited to the database.  
096:             *
097:             * @param success true if the transaction succeeded
098:             *   and this object was successfully updated in the database.
099:             */
100:            public void finalizeUpdate(boolean success) {
101:            }
102:
103:            /**
104:             * Method to delete an object from the database.
105:             *
106:             * @param conn Database connection.
107:             * @exception java.sql.SQLException If a database access error
108:             *  occurs.
109:             */
110:            public void executeDelete(DBConnection conn) throws SQLException {
111:                String sql = "delete from " + PersistentSessionHome.dbTableName
112:                        + " where sessionKey = ?";
113:                PreparedStatement stmt = conn.prepareStatement(sql);
114:                stmt.setString(1, sessionKey);
115:                conn.executeUpdate(stmt, sql);
116:            }
117:
118:            /**
119:             * If this object's <code>executeDelete</code> method was
120:             * called then <code>finalizeDelete</code> is called with
121:             * the status of the database transaction.
122:             *
123:             * @param success true if the transaction succeeded
124:             *   and this object was successfully deleted from the
125:             *   database.
126:             */
127:            public void finalizeDelete(boolean success) {
128:                // ignore?
129:            }
130:
131:        }
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