/*
- * Copyright (C) 2001, 2002 The Mir-coders group
+ * Copyright (C) 2001, 2002 The Mir-coders group
*
* This file is part of Mir.
*
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* In addition, as a special exception, The Mir-coders gives permission to link
- * the code of this program with the com.oreilly.servlet library, any library
- * licensed under the Apache Software License, The Sun (tm) Java Advanced
- * Imaging library (JAI), The Sun JIMI library (or with modified versions of
- * the above that use the same license as the above), and distribute linked
- * combinations including the two. You must obey the GNU General Public
- * License in all respects for all of the code used other than the above
- * mentioned libraries. If you modify this file, you may extend this exception
- * to your version of the file, but you are not obligated to do so. If you do
- * not wish to do so, delete this exception statement from your version.
+ * the code of this program with any library licensed under the Apache Software License,
+ * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
+ * (or with modified versions of the above that use the same license as the above),
+ * and distribute linked combinations including the two. You must obey the
+ * GNU General Public License in all respects for all of the code used other than
+ * the above mentioned libraries. If you modify this file, you may extend this
+ * exception to your version of the file, but you are not obligated to do so.
+ * If you do not wish to do so, delete this exception statement from your version.
*/
package mircoders.storage;
-import java.lang.*;
-import java.sql.*;
-import java.io.*;
-import java.util.*;
+import mir.log.LoggerWrapper;
+import mir.storage.Database;
+import mir.storage.DatabaseFailure;
-import freemarker.template.*;
+import java.sql.Connection;
+import java.sql.Statement;
-import mir.storage.*;
-import mir.entity.*;
-import mir.misc.*;
-
-import mircoders.entity.*;
-
-/**
- * <b>this class implements the access to the content-table</b>
- *
- *
- */
-
-public class DatabaseContent extends Database implements StorageObject {
+public class DatabaseContent extends Database {
private static DatabaseContent instance;
- private static EntityRelation relationComments;
- private static EntityRelation relationFeature;
-
- // Contructors / Singleton
- // the following *has* to be sychronized cause this static method
- // could get preemted and we could end up with 2 instances of DatabaseFoo.
- // see the "Singletons with needles and thread" article at JavaWorld -mh
- public synchronized static DatabaseContent getInstance()
- throws StorageObjectException {
+ public synchronized static DatabaseContent getInstance() {
if (instance == null ) {
instance = new DatabaseContent();
- instance.myselfDatabase = instance;
}
return instance;
}
- private DatabaseContent()
- throws StorageObjectException {
+ private DatabaseContent() throws DatabaseFailure {
super();
- this.theTable="content";
- this.theCoreTable="media";
+ mainTable="content";
+ logger = new LoggerWrapper("Database.Content");
- relationComments = new EntityRelation("id", "to_media", DatabaseComment.getInstance(), EntityRelation.TO_MANY);
- relationFeature = new EntityRelation("id", "to_feature", DatabaseFeature.getInstance(), EntityRelation.TO_ONE);
- try { this.theEntityClass = Class.forName("mircoders.entity.EntityContent"); }
- catch (Exception e) { throw new StorageObjectException(e.toString()); }
+ entityClass = mircoders.entity.EntityContent.class;
}
// methods
* sets the database flag is_produced to unproduced
*/
- public void setUnproduced(String where) throws StorageObjectException
+ public void setUnproduced(String where) throws DatabaseFailure
{
Connection con=null;Statement stmt=null;
String sql = "update content set is_produced='0' where " + where;
- theLog.printDebugInfo("set unproduced: "+where);
+ logger.debug("set unproduced: "+where);
try {
- con = getPooledCon();
+ con = obtainConnection();
// should be a preparedStatement because is faster
stmt = con.createStatement();
executeUpdate(stmt,sql);
- theLog.printDebugInfo("set unproduced: "+where);
+ logger.debug("set unproduced: "+where);
+ }
+ catch (Exception e) {
+ _throwStorageObjectException(e, "-- set unproduced failed");
}
- catch (Exception e) {_throwStorageObjectException(e, "-- set unproduced failed");}
finally { freeConnection(con,stmt);}
}
- /**
- * returns the comments that belong to the article (via entityrelation)
- * where db-flag is_published is true
- */
- public EntityList getComments(EntityContent entC) throws StorageObjectException {
- return relationComments.getMany(entC,"webdb_create","is_published='1'");
- }
+ public boolean delete(String id) throws DatabaseFailure {
+ DatabaseComment.getInstance().deleteByContentId(id);
+ DatabaseContentToTopics.getInstance().deleteByContentId(id);
+ DatabaseContentToMedia.getInstance().deleteByContentId(id);
- /**
- * returns the features that belong to the article (via entityrelation)
- */
- public EntityList getFeature(EntityContent entC) throws StorageObjectException {
- return relationFeature.getMany(entC);
+ return super.delete(id);
}
- public boolean delete(String id) throws StorageObjectException
- {
- DatabaseComment.getInstance().deleteByContentId(id);
- super.delete(id);
- return true;
+ protected String getPrimaryKeySequence() {
+ return "media_id_seq";
}
-
}
projects / mir.git / blobdiff