package er.persistentsessionstorage.model;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import org.apache.log4j.Logger;
import com.webobjects.appserver.WOSession;
import com.webobjects.eocontrol.EOEditingContext;
import com.webobjects.foundation.NSData;
import com.webobjects.foundation.NSForwardException;
public class ERSessionInfo extends er.persistentsessionstorage.model.eogen._ERSessionInfo {
/**
* Do I need to update serialVersionUID?
* See section 5.6 <cite>Type Changes Affecting Serialization</cite> on page 51 of the
* <a href="http://java.sun.com/j2se/1.4/pdf/serial-spec.pdf">Java Object Serialization Spec</a>
*/
private static final long serialVersionUID = 1L;
private static final Logger log = Logger.getLogger(ERSessionInfo.class);
public static final ERSessionInfoClazz<ERSessionInfo> clazz = new ERSessionInfoClazz<ERSessionInfo>();
public static class ERSessionInfoClazz<T extends ERSessionInfo> extends
er.persistentsessionstorage.model.eogen._ERSessionInfo._ERSessionInfoClazz<T> {
/* more clazz methods here */
}
/**
* Initializes the EO. This is called when an EO is created, not when it is
* inserted into an EC.
*/
@Override
public void init(EOEditingContext ec) {
super.init(ec);
setIntLock(Integer.valueOf(0));
}
@Override
public void willUpdate() {
super.willUpdate();
Integer lock = Integer.valueOf(intLock().intValue() + 1);
setIntLock(lock);
}
public WOSession session() {
return sessionFromArchivedData(sessionData());
}
public void archiveDataFromSession(WOSession session) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = null;
NSData data = null;
try {
oos = new ObjectOutputStream(baos);
oos.writeObject(session);
oos.flush();
byte[] bytes = baos.toByteArray();
data = new NSData(bytes);
} catch (IOException e) {
throw NSForwardException._runtimeExceptionForThrowable(e);
} finally {
if (oos != null) {
try {
oos.close();
} catch (IOException e) {
log.warn(e);
}
}
}
setSessionData(data);
}
public WOSession sessionFromArchivedData(NSData data) {
Object object = null;
byte[] bytes = data.bytes();
ObjectInputStream ois = null;
try {
ois = new ObjectInputStream(new ByteArrayInputStream(bytes));
object = ois.readObject();
} catch (IOException e) {
log.warn("Failed to deserialize session", e);
} catch (ClassNotFoundException e) {
log.warn("Failed to deserialize session", e);
} catch (RuntimeException e) {
log.warn("Failed to deserialize session", e);
} finally {
if (ois != null) {
try {
ois.close();
} catch (IOException e) {
log.warn(e);
}
}
}
return (WOSession) object;
}
}