-package mircoders.storage;
-
-import java.lang.*;
-import java.sql.*;
-import java.io.*;
-import java.util.*;
+/*
+ * Copyright (C) 2001, 2002 The Mir-coders group
+ *
+ * This file is part of Mir.
+ *
+ * Mir is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Mir is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Mir; if not, write to the Free Software
+ * 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.
+ */
-import freemarker.template.*;
+package mircoders.storage;
-import mir.storage.*;
-import mir.entity.*;
-import mir.misc.*;
+import java.sql.Connection;
+import java.sql.Statement;
-import mircoders.entity.*;
+import mir.entity.EntityList;
+import mir.entity.EntityRelation;
+import mir.storage.Database;
+import mir.storage.StorageObject;
+import mir.storage.StorageObjectFailure;
+import mircoders.entity.EntityContent;
/**
* <b>this class implements the access to the content-table</b>
// Contructors / Singleton
- public static DatabaseContent getInstance()
- throws StorageObjectException {
+ // 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 StorageObjectFailure {
if (instance == null ) {
instance = new DatabaseContent();
}
private DatabaseContent()
- throws StorageObjectException {
+ throws StorageObjectFailure {
super();
this.theTable="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()); }
+ catch (Exception e) { throw new StorageObjectFailure(e); }
}
// methods
* sets the database flag is_produced to unproduced
*/
- public void setUnproduced(String where) throws StorageObjectException
+ public void setUnproduced(String where) throws StorageObjectFailure
{
Connection con=null;Statement stmt=null;
String sql = "update content set is_produced='0' where " + where;
+ theLog.printDebugInfo("set unproduced: "+where);
try {
con = getPooledCon();
// should be a preparedStatement because is faster
stmt = con.createStatement();
executeUpdate(stmt,sql);
+ theLog.printDebugInfo("set unproduced: "+where);
}
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 {
+ public EntityList getComments(EntityContent entC) throws StorageObjectFailure {
return relationComments.getMany(entC,"webdb_create","is_published='1'");
}
/**
* returns the features that belong to the article (via entityrelation)
*/
- public EntityList getFeature(EntityContent entC) throws StorageObjectException {
+ public EntityList getFeature(EntityContent entC) throws StorageObjectFailure {
return relationFeature.getMany(entC);
}
- public boolean delete(String id) throws StorageObjectException
+ public boolean delete(String id) throws StorageObjectFailure
{
DatabaseComment.getInstance().deleteByContentId(id);
super.delete(id);