import mir.storage.StorageObject;
import mir.entity.*;
import mir.misc.*;
+import com.codestudio.sql.*;
+import com.codestudio.sql.*;
+import com.codestudio.util.*;
/**
protected int[] metadataTypes;
protected Class theEntityClass;
protected StorageObject myselfDatabase;
- protected HashMap cache;
+ protected DatabaseCache cache;
protected SimpleList popupCache=null;
protected boolean hasPopupCache = false;
protected SimpleHash hashCache=null;
private int defaultLimit;
protected DatabaseAdaptor theAdaptor;
protected Logfile theLog;
- //protected Connection con;
/**
* Kontruktor bekommt den Filenamen des Konfigurationsfiles übergeben.
database_url=theAdaptor.getURL(database_username,database_password,database_host);
theLog.printDebugInfo("adding Broker with: " +database_driver+":"+database_url );
MirConfig.addBroker(database_driver,database_url);
- myBroker=MirConfig.getBroker();
+ //myBroker=MirConfig.getBroker();
}
catch (Exception e){
theLog.printError("Bei Konstruktion von Database() with " + theAdaptorName + " -- " +e.toString());
break;
case java.sql.Types.CHAR:case java.sql.Types.VARCHAR:case java.sql.Types.LONGVARCHAR:
outValue = rs.getString(valueIndex);
- if (outValue != null)
- outValue = StringUtil.encodeHtml(StringUtil.unquote(outValue));
+ //if (outValue != null)
+ //outValue = StringUtil.encodeHtml(StringUtil.unquote(outValue));
break;
case java.sql.Types.LONGVARBINARY:
outValue = rs.getString(valueIndex);
- if (outValue != null)
- outValue = StringUtil.encodeHtml(StringUtil.unquote(outValue));
+ //if (outValue != null)
+ //outValue = StringUtil.encodeHtml(StringUtil.unquote(outValue));
break;
case java.sql.Types.TIMESTAMP:
Timestamp timestamp = (rs.getTimestamp(valueIndex));
if (id==null||id.equals(""))
throw new StorageObjectException("id war null");
- if (cache != null && cache.containsKey(id))
+ if (cache != null && (cache.containsKey(id) > -1))
return (Entity)cache.get(id); // wenn cache gesetzt, evtl. kein roundtrip zur Datenbank
Statement stmt=null;Connection con=getPooledCon();
if (rs.next())
count = rs.getInt(1);
rs.close();
+ //nothing in the table: return null
+ if(count<=0){
+ freeConnection(con, stmt);
+ return null;
+ }
+ } else {
+ theLog.printError("Could not count: " + countSql);
}
- else
- theLog.printError("Mh. Konnte nicht zaehlen: " + countSql);
}
+
// hier select
rs = executeSql(stmt, selectSql.toString());
if (rs != null) {
theResultHash.put(metadataFields.get(i), theResult);
}
}
- if (cache != null && theResultHash.containsKey(thePKeyName) && cache.containsKey((String)theResultHash.get(thePKeyName))) {
- //theLog.printDebugInfo("CACHE: (out) "+ theResultHash.get(thePKeyName)+ " :"+theTable);
+ if (cache != null && theResultHash.containsKey(thePKeyName) &&
+ (cache.containsKey((String)theResultHash.get(thePKeyName)) > -1)) {
returnEntity = (Entity)cache.get((String)theResultHash.get(thePKeyName));
- }
- else {
+ } else {
if (theEntityClass != null) {
returnEntity = (Entity)theEntityClass.newInstance();
returnEntity.setValues(theResultHash);
//theLog.printDebugInfo("CACHE: ( in) " + returnEntity.getId() + " :"+theTable);
cache.put(returnEntity.getId(), returnEntity);
}
- }
- else {
+ } else {
throwStorageObjectException("Interner Fehler theEntityClass nicht gesetzt!");
}
}
- } // try
- catch (IllegalAccessException e) {
+ } catch (IllegalAccessException e) {
throwStorageObjectException("Kein Zugriff! -- " + e.toString());
} catch (IOException e) {
throwStorageObjectException("IOException! -- " + e.toString());
throwSQLException(sqe, "disconnectPool");
}
}
+
+ public Connection getPooledCon() throws StorageObjectException {
+ try{
+ Class.forName("com.codestudio.sql.PoolMan").newInstance();
+ } catch (Exception e){
+ e.printStackTrace();
+ throw new StorageObjectException("Could not find the PoolMan Driver"+e.toString());
+ }
+ Connection con = null;
+ try{
+ con = SQLManager.getInstance().requestConnection();
+ } catch(SQLException e){
+ e.printStackTrace();
+ throw new StorageObjectException("No connection to the database");
+ }
+ return con;
+ }
/**
* Returns Connection-Object out of the PoolBroker.
*
* @return Connection Object.
*/
- public Connection getPooledCon () throws StorageObjectException {
+ public Connection getPooledCon2() throws StorageObjectException {
if (myBroker != null) {
Connection con = myBroker.getConnection();
if (con != null)
* @param con Connection zur Datenbank
* @param stmt Statement-Objekt
*/
- public void freeConnection (Connection con, Statement stmt)
+ public void freeConnection2 (Connection con, Statement stmt)
throws StorageObjectException {
try {
if (stmt != null)
throw new StorageObjectException("Con was null!");
}
}
+
+ public void freeConnection (Connection con, Statement stmt)
+ throws StorageObjectException {
+ SQLManager.getInstance().closeStatement(stmt);
+ SQLManager.getInstance().returnConnection(con);
+ }
/**
* Wertet SQLException aus und wirft dannach eine StorageObjectException
void throwStorageObjectException (String message) throws StorageObjectException {
_throwStorageObjectException(null, message);
}
+
}