freeConnection(con,stmt);
}
}
-
-
+
+/**
+ * Returns list of Content for a specific topic
+ * @param topic
+ * @return EntityList
+ * @throws StorageObjectFailure
+ */
public EntityList getContent(EntityTopics topic)
throws StorageObjectFailure {
EntityList returnList=null;
if (topic != null) {
-
- // TODO rewrite with getByWhereClauseWithExtraTables
-
String id = topic.getId();
- String select = "select content_id from " + theTable + " where topic_id=" + id;
-
- // execute select statement
- Connection con=null;Statement stmt=null;
try {
- con = getPooledCon();
- // should be a preparedStatement because is faster
- stmt = con.createStatement();
- ResultSet rs = executeSql(stmt,select);
- if (rs!=null) {
- String topicSelect= "id IN (";
- boolean first=true;
- while (rs.next()) {
- if (first==false) topicSelect+=",";
- topicSelect += rs.getString(1);
- first=false;
- }
- topicSelect+=")";
- if (first==false)
- returnList = DatabaseContent.getInstance().selectByWhereClause(topicSelect,-1);
- }
+ Vector extraTables = new Vector();
+ extraTables.add(theTable+" cxt");
+ returnList = DatabaseContent.getInstance()
+ .selectByWhereClauseWithExtraTables("c",extraTables,
+ "c.id=cxt.content_id and cxt.topic_id="+id );
}
catch (Exception e) {
logger.error("-- get content failed");
}
- finally { freeConnection(con,stmt);}
}
return returnList;
}