Source Code Cross Referenced for LifeCycleInfoImpl.java in  » J2EE » fleXive » com » flexive » core » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » J2EE » fleXive » com.flexive.core 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /***************************************************************
002:         *  This file is part of the [fleXive](R) project.
003:         *
004:         *  Copyright (c) 1999-2008
005:         *  UCS - unique computing solutions gmbh (http://www.ucs.at)
006:         *  All rights reserved
007:         *
008:         *  The [fleXive](R) project is free software; you can redistribute
009:         *  it and/or modify it under the terms of the GNU General Public
010:         *  License as published by the Free Software Foundation;
011:         *  either version 2 of the License, or (at your option) any
012:         *  later version.
013:         *
014:         *  The GNU General Public License can be found at
015:         *  http://www.gnu.org/copyleft/gpl.html.
016:         *  A copy is found in the textfile GPL.txt and important notices to the
017:         *  license from the author are found in LICENSE.txt distributed with
018:         *  these libraries.
019:         *
020:         *  This library is distributed in the hope that it will be useful,
021:         *  but WITHOUT ANY WARRANTY; without even the implied warranty of
022:         *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
023:         *  GNU General Public License for more details.
024:         *
025:         *  For further information about UCS - unique computing solutions gmbh,
026:         *  please see the company website: http://www.ucs.at
027:         *
028:         *  For further information about [fleXive](R), please see the
029:         *  project website: http://www.flexive.org
030:         *
031:         *
032:         *  This copyright notice MUST APPEAR in all copies of the file!
033:         ***************************************************************/package com.flexive.core;
034:
035:        import com.flexive.shared.FxContext;
036:        import com.flexive.shared.exceptions.FxUpdateException;
037:        import com.flexive.shared.security.LifeCycleInfo;
038:        import com.flexive.shared.security.UserTicket;
039:        import org.apache.commons.logging.Log;
040:        import org.apache.commons.logging.LogFactory;
041:
042:        import java.io.Serializable;
043:        import java.sql.*;
044:        import java.text.SimpleDateFormat;
045:        import java.util.Date;
046:
047:        /**
048:         * LifeCycleInfo implementation
049:         *
050:         * @author Markus Plesser (markus.plesser@flexive.com), UCS - unique computing solutions gmbh (http://www.ucs.at)
051:         */
052:        public class LifeCycleInfoImpl implements  LifeCycleInfo, Serializable {
053:            private static final long serialVersionUID = -7886706421888644107L;
054:
055:            /**
056:             * our logger
057:             */
058:            private static final transient Log LOG = LogFactory
059:                    .getLog(LifeCycleInfoImpl.class);
060:
061:            /**
062:             * Value to set if a column is not set (=null)
063:             */
064:            private static final int NOT_DEFINED = -1;
065:
066:            private long iCreatorId;
067:            private long lCreationTime;
068:            private long iModifcatorId;
069:            private long lModificationTime;
070:
071:            /**
072:             * Empty LifeCycleInfo for tables where undefined
073:             */
074:            public static final LifeCycleInfo EMPTY = new LifeCycleInfoImpl(0,
075:                    0, 0, 0);
076:
077:            /**
078:             * Get the Id of the User that created this entry
079:             *
080:             * @return Id of the User that created this entry
081:             */
082:            public long getCreatorId() {
083:                return iCreatorId;
084:            }
085:
086:            /**
087:             * Get the timestamp when this object was created
088:             *
089:             * @return the timestamp when this object was created
090:             */
091:            public long getCreationTime() {
092:                return lCreationTime;
093:            }
094:
095:            /**
096:             * Get the Id of the most recent User that modified this entry
097:             *
098:             * @return Id of the most recent User that modified this entry
099:             */
100:            public long getModificatorId() {
101:                return iModifcatorId;
102:            }
103:
104:            /**
105:             * Get the timestamp of the most recent modification
106:             *
107:             * @return timestamp of the most recent modification
108:             */
109:            public long getModificationTime() {
110:                return lModificationTime;
111:            }
112:
113:            /**
114:             * {@inheritDoc}
115:             */
116:            @Override
117:            public String toString() {
118:                SimpleDateFormat sdf = new SimpleDateFormat(
119:                        "dd.MM.yyyy HH:mm:ss");
120:                return "LCI:{C:" + this .getCreatorId() + "/"
121:                        + sdf.format(new Date(this .getCreationTime())) + "|"
122:                        + "M:" + this .getModificatorId() + "/"
123:                        + sdf.format(new Date(this .getModificationTime()));
124:            }
125:
126:            /**
127:             * Ctor
128:             *
129:             * @param creatorId        user id of the creator
130:             * @param creationTime     timestamp of creation
131:             * @param modificator      user id of the user that made the last modification
132:             * @param modificationTime modification timestamp
133:             */
134:            public LifeCycleInfoImpl(long creatorId, long creationTime,
135:                    long modificator, long modificationTime) {
136:                this .iCreatorId = creatorId;
137:                this .lCreationTime = creationTime;
138:                this .iModifcatorId = modificator;
139:                this .lModificationTime = modificationTime;
140:            }
141:
142:            /**
143:             * Helper function for a less error prone and faster loading from the database
144:             *
145:             * @param rs                     ResultSet containing all the required info
146:             * @param creatorColumn          column index of the create user reference
147:             * @param creationTimeColumn     column index of the create timestamp
148:             * @param modificatorColumns     column index of the modified by user reference
149:             * @param modificationTimeColumn column index of the modified by timestamp
150:             * @return LifeCycleInfo with the relevant data gathered from the ResultSet
151:             * @throws java.sql.SQLException if a column could not be read
152:             */
153:            public static LifeCycleInfo load(ResultSet rs, int creatorColumn,
154:                    int creationTimeColumn, int modificatorColumns,
155:                    int modificationTimeColumn) throws SQLException {
156:                if (rs == null) {
157:                    throw new IllegalArgumentException(
158:                            "Can not read from a null ResultSet!");
159:                }
160:                int cid;
161:                long ct;
162:                int mid;
163:                long mt;
164:                long dTmp;
165:                cid = rs.getInt(creatorColumn);
166:                if (rs.wasNull()) {
167:                    cid = NOT_DEFINED;
168:                }
169:                dTmp = rs.getLong(creationTimeColumn);
170:                ct = (rs.wasNull() ? NOT_DEFINED : dTmp);
171:                if (modificatorColumns < 0) {
172:                    mid = NOT_DEFINED;
173:                } else {
174:                    mid = rs.getInt(modificatorColumns);
175:                    if (rs.wasNull())
176:                        mid = NOT_DEFINED;
177:                }
178:                if (modificationTimeColumn < 0) {
179:                    mt = NOT_DEFINED;
180:                } else {
181:                    dTmp = rs.getLong(modificationTimeColumn);
182:                    mt = (rs.wasNull() ? NOT_DEFINED : dTmp);
183:                }
184:                return new LifeCycleInfoImpl(cid, ct, mid, mt);
185:            }
186:
187:            /**
188:             * Store a complete lifecycle info
189:             *
190:             * @param ps                     prepared statement
191:             * @param creatorColumn          column index of the create user reference
192:             * @param creationTimeColumn     column index of the create timestamp
193:             * @param modificatorColumn      column index of the modified by user reference
194:             * @param modificationTimeColumn column index of the modified by timestamp
195:             * @throws java.sql.SQLException if a column could not be set
196:             */
197:            public static void store(PreparedStatement ps, int creatorColumn,
198:                    int creationTimeColumn, int modificatorColumn,
199:                    int modificationTimeColumn) throws SQLException {
200:                final UserTicket ticket = FxContext.get().getTicket();
201:                final long ts = System.currentTimeMillis();
202:                ps.setLong(creatorColumn, ticket.getUserId());
203:                ps.setLong(creationTimeColumn, ts);
204:                ps.setLong(modificatorColumn, ticket.getUserId());
205:                ps.setLong(modificationTimeColumn, ts);
206:            }
207:
208:            /**
209:             * Update a lifyecycle info
210:             *
211:             * @param ps                     prepared statement
212:             * @param modificatorColumn      column index of the modified by user reference
213:             * @param modificationTimeColumn column index of the modified by timestamp
214:             * @throws java.sql.SQLException if a column could not be set
215:             */
216:            public static void updateLifeCycleInfo(PreparedStatement ps,
217:                    int modificatorColumn, int modificationTimeColumn)
218:                    throws SQLException {
219:                final UserTicket ticket = FxContext.get().getTicket();
220:                final long ts = System.currentTimeMillis();
221:                ps.setLong(modificatorColumn, ticket.getUserId());
222:                ps.setLong(modificationTimeColumn, ts);
223:            }
224:
225:            /**
226:             * Update a tables LifeCycleInfo
227:             *
228:             * @param table   table that contains the lifecycle
229:             * @param idField field containing the id
230:             * @param id      the id to update
231:             * @throws FxUpdateException if the lifecycle info could not be updated
232:             */
233:            public static void updateLifeCycleInfo(String table,
234:                    String idField, long id) throws FxUpdateException {
235:                updateLifeCycleInfo(table, idField, null, id, -1, false, true);
236:            }
237:
238:            /**
239:             * Update a tables LifeCycleInfo
240:             *
241:             * @param table         table that contains the lifecycle
242:             * @param idField       field containing the id
243:             * @param id            the id to update
244:             * @param verField      field containing the id (optional)
245:             * @param ver           the version to update (optional)
246:             * @param updateCreated update created by/at as well?
247:             * @param throwOnNone   throw an exception if no rows were updated?
248:             * @throws FxUpdateException if a database field could not be updated
249:             */
250:            public static void updateLifeCycleInfo(String table,
251:                    String idField, String verField, long id, int ver,
252:                    boolean updateCreated, boolean throwOnNone)
253:                    throws FxUpdateException {
254:                final UserTicket ticket = FxContext.get().getTicket();
255:
256:                Connection con = null;
257:                PreparedStatement stmt = null;
258:
259:                try {
260:                    con = Database.getDbConnection();
261:                    stmt = con.prepareStatement("UPDATE "
262:                            + table
263:                            + " SET MODIFIED_BY=?, MODIFIED_AT=?"
264:                            + (updateCreated ? ", CREATED_BY=?, CREATED_AT=?"
265:                                    : "")
266:                            + " WHERE "
267:                            + idField
268:                            + "=?"
269:                            + (verField != null && ver > 0 ? " AND " + verField
270:                                    + "=?" : ""));
271:                    final long now = System.currentTimeMillis();
272:                    stmt.setInt(1, (int) ticket.getUserId());
273:                    stmt.setLong(2, now);
274:                    if (updateCreated) {
275:                        stmt.setInt(3, (int) ticket.getUserId());
276:                        stmt.setLong(4, now);
277:                        stmt.setLong(5, id);
278:                    } else
279:                        stmt.setLong(3, id);
280:                    if (verField != null && ver > 0)
281:                        stmt.setInt((updateCreated ? 6 : 4), ver);
282:                    int iCnt = stmt.executeUpdate();
283:                    if (iCnt != 1 && throwOnNone)
284:                        throw new FxUpdateException(
285:                                "Updating LifeCycleInfo failed. " + iCnt
286:                                        + " rows were updated!");
287:                } catch (SQLException se) {
288:                    throw new FxUpdateException(LOG, se.getMessage(), se);
289:                } finally {
290:                    Database.closeObjects(LifeCycleInfoImpl.class, con, stmt);
291:                }
292:            }
293:
294:            /**
295:             * Initialize a new empty lci
296:             *
297:             * @param ticket the calling user's ticket
298:             * @return a new lifecycle info for the calling user
299:             */
300:            public static LifeCycleInfo createNew(UserTicket ticket) {
301:                return new LifeCycleInfoImpl(ticket.getUserId(), System
302:                        .currentTimeMillis(), ticket.getUserId(), System
303:                        .currentTimeMillis());
304:            }
305:        }
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